chore: rename packages/desktop -> packages/app

45 files changed, 8178 insertions, 0 deletions

diff --git a/packages/app/src/addons/serialize.test.ts b/packages/app/src/addons/serialize.test.ts
new file mode 100644
index 000000000..ad165f43f
--- /dev/null
+++ b/packages/app/src/addons/serialize.test.ts
@@ -0,0 +1,272 @@
+import { describe, test, expect, beforeAll, afterEach } from "bun:test"
+import { Terminal, Ghostty } from "ghostty-web"
+import { SerializeAddon } from "./serialize"
+
+let ghostty: Ghostty
+beforeAll(async () => {
+  ghostty = await Ghostty.load()
+})
+
+const terminals: Terminal[] = []
+
+afterEach(() => {
+  for (const term of terminals) {
+    term.dispose()
+  }
+  terminals.length = 0
+  document.body.innerHTML = ""
+})
+
+function createTerminal(cols = 80, rows = 24): { term: Terminal; addon: SerializeAddon; container: HTMLElement } {
+  const container = document.createElement("div")
+  document.body.appendChild(container)
+
+  const term = new Terminal({ cols, rows, ghostty })
+  const addon = new SerializeAddon()
+  term.loadAddon(addon)
+  term.open(container)
+  terminals.push(term)
+
+  return { term, addon, container }
+}
+
+function writeAndWait(term: Terminal, data: string): Promise<void> {
+  return new Promise((resolve) => {
+    term.write(data, resolve)
+  })
+}
+
+describe("SerializeAddon", () => {
+  describe("ANSI color preservation", () => {
+    test("should preserve text attributes (bold, italic, underline)", async () => {
+      const { term, addon } = createTerminal()
+
+      const input = "\x1b[1mBOLD\x1b[0m \x1b[3mITALIC\x1b[0m \x1b[4mUNDER\x1b[0m"
+      await writeAndWait(term, input)
+
+      const origLine = term.buffer.active.getLine(0)
+      expect(origLine!.getCell(0)!.isBold()).toBe(1)
+      expect(origLine!.getCell(5)!.isItalic()).toBe(1)
+      expect(origLine!.getCell(12)!.isUnderline()).toBe(1)
+
+      const serialized = addon.serialize({ range: { start: 0, end: 0 } })
+
+      const { term: term2 } = createTerminal()
+      terminals.push(term2)
+      await writeAndWait(term2, serialized)
+
+      const line = term2.buffer.active.getLine(0)
+
+      const boldCell = line!.getCell(0)
+      expect(boldCell!.getChars()).toBe("B")
+      expect(boldCell!.isBold()).toBe(1)
+
+      const italicCell = line!.getCell(5)
+      expect(italicCell!.getChars()).toBe("I")
+      expect(italicCell!.isItalic()).toBe(1)
+
+      const underCell = line!.getCell(12)
+      expect(underCell!.getChars()).toBe("U")
+      expect(underCell!.isUnderline()).toBe(1)
+    })
+
+    test("should preserve basic 16-color foreground colors", async () => {
+      const { term, addon } = createTerminal()
+
+      const input = "\x1b[31mRED\x1b[32mGREEN\x1b[34mBLUE\x1b[0mNORMAL"
+      await writeAndWait(term, input)
+
+      const origLine = term.buffer.active.getLine(0)
+      const origRedFg = origLine!.getCell(0)!.getFgColor()
+      const origGreenFg = origLine!.getCell(3)!.getFgColor()
+      const origBlueFg = origLine!.getCell(8)!.getFgColor()
+
+      const serialized = addon.serialize({ range: { start: 0, end: 0 } })
+
+      const { term: term2 } = createTerminal()
+      terminals.push(term2)
+      await writeAndWait(term2, serialized)
+
+      const line = term2.buffer.active.getLine(0)
+      expect(line).toBeDefined()
+
+      const redCell = line!.getCell(0)
+      expect(redCell!.getChars()).toBe("R")
+      expect(redCell!.getFgColor()).toBe(origRedFg)
+
+      const greenCell = line!.getCell(3)
+      expect(greenCell!.getChars()).toBe("G")
+      expect(greenCell!.getFgColor()).toBe(origGreenFg)
+
+      const blueCell = line!.getCell(8)
+      expect(blueCell!.getChars()).toBe("B")
+      expect(blueCell!.getFgColor()).toBe(origBlueFg)
+    })
+
+    test("should preserve 256-color palette colors", async () => {
+      const { term, addon } = createTerminal()
+
+      const input = "\x1b[38;5;196mRED256\x1b[0mNORMAL"
+      await writeAndWait(term, input)
+
+      const origLine = term.buffer.active.getLine(0)
+      const origRedFg = origLine!.getCell(0)!.getFgColor()
+
+      const serialized = addon.serialize({ range: { start: 0, end: 0 } })
+
+      const { term: term2 } = createTerminal()
+      terminals.push(term2)
+      await writeAndWait(term2, serialized)
+
+      const line = term2.buffer.active.getLine(0)
+      const redCell = line!.getCell(0)
+      expect(redCell!.getChars()).toBe("R")
+      expect(redCell!.getFgColor()).toBe(origRedFg)
+    })
+
+    test("should preserve RGB/truecolor colors", async () => {
+      const { term, addon } = createTerminal()
+
+      const input = "\x1b[38;2;255;128;64mRGB_TEXT\x1b[0mNORMAL"
+      await writeAndWait(term, input)
+
+      const origLine = term.buffer.active.getLine(0)
+      const origRgbFg = origLine!.getCell(0)!.getFgColor()
+
+      const serialized = addon.serialize({ range: { start: 0, end: 0 } })
+
+      const { term: term2 } = createTerminal()
+      terminals.push(term2)
+      await writeAndWait(term2, serialized)
+
+      const line = term2.buffer.active.getLine(0)
+      const rgbCell = line!.getCell(0)
+      expect(rgbCell!.getChars()).toBe("R")
+      expect(rgbCell!.getFgColor()).toBe(origRgbFg)
+    })
+
+    test("should preserve background colors", async () => {
+      const { term, addon } = createTerminal()
+
+      const input = "\x1b[48;2;255;0;0mRED_BG\x1b[48;2;0;255;0mGREEN_BG\x1b[0mNORMAL"
+      await writeAndWait(term, input)
+
+      const origLine = term.buffer.active.getLine(0)
+      const origRedBg = origLine!.getCell(0)!.getBgColor()
+      const origGreenBg = origLine!.getCell(6)!.getBgColor()
+
+      const serialized = addon.serialize({ range: { start: 0, end: 0 } })
+
+      const { term: term2 } = createTerminal()
+      terminals.push(term2)
+      await writeAndWait(term2, serialized)
+
+      const line = term2.buffer.active.getLine(0)
+
+      const redBgCell = line!.getCell(0)
+      expect(redBgCell!.getChars()).toBe("R")
+      expect(redBgCell!.getBgColor()).toBe(origRedBg)
+
+      const greenBgCell = line!.getCell(6)
+      expect(greenBgCell!.getChars()).toBe("G")
+      expect(greenBgCell!.getBgColor()).toBe(origGreenBg)
+    })
+
+    test("should handle combined colors and attributes", async () => {
+      const { term, addon } = createTerminal()
+
+      const input =
+        "\x1b[1;38;2;255;0;0;48;2;255;255;0mCOMBO\x1b[0mNORMAL                                                                    "
+      await writeAndWait(term, input)
+
+      const origLine = term.buffer.active.getLine(0)
+      const origFg = origLine!.getCell(0)!.getFgColor()
+      const origBg = origLine!.getCell(0)!.getBgColor()
+      expect(origLine!.getCell(0)!.isBold()).toBe(1)
+
+      const serialized = addon.serialize({ range: { start: 0, end: 0 } })
+      const cleanSerialized = serialized.replace(/\x1b\[\d+X/g, "")
+
+      expect(cleanSerialized.startsWith("\x1b[1;")).toBe(true)
+
+      const { term: term2 } = createTerminal()
+      terminals.push(term2)
+      await writeAndWait(term2, cleanSerialized)
+
+      const line = term2.buffer.active.getLine(0)
+      const comboCell = line!.getCell(0)
+
+      expect(comboCell!.getChars()).toBe("C")
+      expect(cleanSerialized).toContain("\x1b[1;38;2;255;0;0;48;2;255;255;0m")
+    })
+  })
+
+  describe("round-trip serialization", () => {
+    test("should not produce ECH sequences", async () => {
+      const { term, addon } = createTerminal()
+
+      await writeAndWait(term, "\x1b[31mHello\x1b[0m World")
+
+      const serialized = addon.serialize()
+
+      const hasECH = /\x1b\[\d+X/.test(serialized)
+      expect(hasECH).toBe(false)
+    })
+
+    test("multi-line content should not have garbage characters", async () => {
+      const { term, addon } = createTerminal()
+
+      const content = [
+        "\x1b[1;32m❯\x1b[0m \x1b[34mcd\x1b[0m /some/path",
+        "\x1b[1;32m❯\x1b[0m \x1b[34mls\x1b[0m -la",
+        "total 42",
+      ].join("\r\n")
+
+      await writeAndWait(term, content)
+
+      const serialized = addon.serialize()
+
+      expect(/\x1b\[\d+X/.test(serialized)).toBe(false)
+
+      const { term: term2 } = createTerminal()
+      terminals.push(term2)
+      await writeAndWait(term2, serialized)
+
+      for (let row = 0; row < 3; row++) {
+        const line = term2.buffer.active.getLine(row)?.translateToString(true)
+        expect(line?.includes("𑼝")).toBe(false)
+      }
+
+      expect(term2.buffer.active.getLine(0)?.translateToString(true)).toContain("cd /some/path")
+      expect(term2.buffer.active.getLine(1)?.translateToString(true)).toContain("ls -la")
+      expect(term2.buffer.active.getLine(2)?.translateToString(true)).toBe("total 42")
+    })
+
+    test("serialized output written to new terminal should match original colors", async () => {
+      const { term, addon } = createTerminal(40, 5)
+
+      const input = "\x1b[38;2;255;0;0mHello\x1b[0m \x1b[38;2;0;255;0mWorld\x1b[0m!                            "
+      await writeAndWait(term, input)
+
+      const origLine = term.buffer.active.getLine(0)
+      const origHelloFg = origLine!.getCell(0)!.getFgColor()
+      const origWorldFg = origLine!.getCell(6)!.getFgColor()
+
+      const serialized = addon.serialize({ range: { start: 0, end: 0 } })
+
+      const { term: term2 } = createTerminal(40, 5)
+      terminals.push(term2)
+      await writeAndWait(term2, serialized)
+
+      const newLine = term2.buffer.active.getLine(0)
+
+      expect(newLine!.getCell(0)!.getChars()).toBe("H")
+      expect(newLine!.getCell(0)!.getFgColor()).toBe(origHelloFg)
+
+      expect(newLine!.getCell(6)!.getChars()).toBe("W")
+      expect(newLine!.getCell(6)!.getFgColor()).toBe(origWorldFg)
+
+      expect(newLine!.getCell(11)!.getChars()).toBe("!")
+    })
+  })
+})
diff --git a/packages/app/src/addons/serialize.ts b/packages/app/src/addons/serialize.ts
new file mode 100644
index 000000000..cb1ff8442
--- /dev/null
+++ b/packages/app/src/addons/serialize.ts
@@ -0,0 +1,595 @@
+/**
+ * SerializeAddon - Serialize terminal buffer contents
+ *
+ * Port of xterm.js addon-serialize for ghostty-web.
+ * Enables serialization of terminal contents to a string that can
+ * be written back to restore terminal state.
+ *
+ * Usage:
+ * ```typescript
+ * const serializeAddon = new SerializeAddon();
+ * term.loadAddon(serializeAddon);
+ * const content = serializeAddon.serialize();
+ * ```
+ */
+
+import type { ITerminalAddon, ITerminalCore, IBufferRange } from "ghostty-web"
+
+// ============================================================================
+// Buffer Types (matching ghostty-web internal interfaces)
+// ============================================================================
+
+interface IBuffer {
+  readonly type: "normal" | "alternate"
+  readonly cursorX: number
+  readonly cursorY: number
+  readonly viewportY: number
+  readonly baseY: number
+  readonly length: number
+  getLine(y: number): IBufferLine | undefined
+  getNullCell(): IBufferCell
+}
+
+interface IBufferLine {
+  readonly length: number
+  readonly isWrapped: boolean
+  getCell(x: number): IBufferCell | undefined
+  translateToString(trimRight?: boolean, startColumn?: number, endColumn?: number): string
+}
+
+interface IBufferCell {
+  getChars(): string
+  getCode(): number
+  getWidth(): number
+  getFgColorMode(): number
+  getBgColorMode(): number
+  getFgColor(): number
+  getBgColor(): number
+  isBold(): number
+  isItalic(): number
+  isUnderline(): number
+  isStrikethrough(): number
+  isBlink(): number
+  isInverse(): number
+  isInvisible(): number
+  isFaint(): number
+  isDim(): boolean
+}
+
+// ============================================================================
+// Types
+// ============================================================================
+
+export interface ISerializeOptions {
+  /**
+   * The row range to serialize. When an explicit range is specified, the cursor
+   * will get its final repositioning.
+   */
+  range?: ISerializeRange
+  /**
+   * The number of rows in the scrollback buffer to serialize, starting from
+   * the bottom of the scrollback buffer. When not specified, all available
+   * rows in the scrollback buffer will be serialized.
+   */
+  scrollback?: number
+  /**
+   * Whether to exclude the terminal modes from the serialization.
+   * Default: false
+   */
+  excludeModes?: boolean
+  /**
+   * Whether to exclude the alt buffer from the serialization.
+   * Default: false
+   */
+  excludeAltBuffer?: boolean
+}
+
+export interface ISerializeRange {
+  /**
+   * The line to start serializing (inclusive).
+   */
+  start: number
+  /**
+   * The line to end serializing (inclusive).
+   */
+  end: number
+}
+
+export interface IHTMLSerializeOptions {
+  /**
+   * The number of rows in the scrollback buffer to serialize, starting from
+   * the bottom of the scrollback buffer.
+   */
+  scrollback?: number
+  /**
+   * Whether to only serialize the selection.
+   * Default: false
+   */
+  onlySelection?: boolean
+  /**
+   * Whether to include the global background of the terminal.
+   * Default: false
+   */
+  includeGlobalBackground?: boolean
+  /**
+   * The range to serialize. This is prioritized over onlySelection.
+   */
+  range?: {
+    startLine: number
+    endLine: number
+    startCol: number
+  }
+}
+
+// ============================================================================
+// Helper Functions
+// ============================================================================
+
+function constrain(value: number, low: number, high: number): number {
+  return Math.max(low, Math.min(value, high))
+}
+
+function equalFg(cell1: IBufferCell, cell2: IBufferCell): boolean {
+  return cell1.getFgColorMode() === cell2.getFgColorMode() && cell1.getFgColor() === cell2.getFgColor()
+}
+
+function equalBg(cell1: IBufferCell, cell2: IBufferCell): boolean {
+  return cell1.getBgColorMode() === cell2.getBgColorMode() && cell1.getBgColor() === cell2.getBgColor()
+}
+
+function equalFlags(cell1: IBufferCell, cell2: IBufferCell): boolean {
+  return (
+    !!cell1.isInverse() === !!cell2.isInverse() &&
+    !!cell1.isBold() === !!cell2.isBold() &&
+    !!cell1.isUnderline() === !!cell2.isUnderline() &&
+    !!cell1.isBlink() === !!cell2.isBlink() &&
+    !!cell1.isInvisible() === !!cell2.isInvisible() &&
+    !!cell1.isItalic() === !!cell2.isItalic() &&
+    !!cell1.isDim() === !!cell2.isDim() &&
+    !!cell1.isStrikethrough() === !!cell2.isStrikethrough()
+  )
+}
+
+// ============================================================================
+// Base Serialize Handler
+// ============================================================================
+
+abstract class BaseSerializeHandler {
+  constructor(protected readonly _buffer: IBuffer) {}
+
+  private _isRealContent(codepoint: number): boolean {
+    if (codepoint === 0) return false
+    if (codepoint >= 0xf000) return false
+    return true
+  }
+
+  private _findLastContentColumn(line: IBufferLine): number {
+    let lastContent = -1
+    for (let col = 0; col < line.length; col++) {
+      const cell = line.getCell(col)
+      if (cell && this._isRealContent(cell.getCode())) {
+        lastContent = col
+      }
+    }
+    return lastContent + 1
+  }
+
+  public serialize(range: IBufferRange, excludeFinalCursorPosition?: boolean): string {
+    let oldCell = this._buffer.getNullCell()
+
+    const startRow = range.start.y
+    const endRow = range.end.y
+    const startColumn = range.start.x
+    const endColumn = range.end.x
+
+    this._beforeSerialize(endRow - startRow, startRow, endRow)
+
+    for (let row = startRow; row <= endRow; row++) {
+      const line = this._buffer.getLine(row)
+      if (line) {
+        const startLineColumn = row === range.start.y ? startColumn : 0
+        const maxColumn = row === range.end.y ? endColumn : this._findLastContentColumn(line)
+        const endLineColumn = Math.min(maxColumn, line.length)
+        for (let col = startLineColumn; col < endLineColumn; col++) {
+          const c = line.getCell(col)
+          if (!c) {
+            continue
+          }
+          this._nextCell(c, oldCell, row, col)
+          oldCell = c
+        }
+      }
+      this._rowEnd(row, row === endRow)
+    }
+
+    this._afterSerialize()
+
+    return this._serializeString(excludeFinalCursorPosition)
+  }
+
+  protected _nextCell(_cell: IBufferCell, _oldCell: IBufferCell, _row: number, _col: number): void {}
+  protected _rowEnd(_row: number, _isLastRow: boolean): void {}
+  protected _beforeSerialize(_rows: number, _startRow: number, _endRow: number): void {}
+  protected _afterSerialize(): void {}
+  protected _serializeString(_excludeFinalCursorPosition?: boolean): string {
+    return ""
+  }
+}
+
+// ============================================================================
+// String Serialize Handler
+// ============================================================================
+
+class StringSerializeHandler extends BaseSerializeHandler {
+  private _rowIndex: number = 0
+  private _allRows: string[] = []
+  private _allRowSeparators: string[] = []
+  private _currentRow: string = ""
+  private _nullCellCount: number = 0
+  private _cursorStyle: IBufferCell
+  private _firstRow: number = 0
+  private _lastCursorRow: number = 0
+  private _lastCursorCol: number = 0
+  private _lastContentCursorRow: number = 0
+  private _lastContentCursorCol: number = 0
+
+  constructor(
+    buffer: IBuffer,
+    private readonly _terminal: ITerminalCore,
+  ) {
+    super(buffer)
+    this._cursorStyle = this._buffer.getNullCell()
+  }
+
+  protected _beforeSerialize(rows: number, start: number, _end: number): void {
+    this._allRows = new Array<string>(rows)
+    this._lastContentCursorRow = start
+    this._lastCursorRow = start
+    this._firstRow = start
+  }
+
+  protected _rowEnd(row: number, isLastRow: boolean): void {
+    let rowSeparator = ""
+
+    if (!isLastRow) {
+      const nextLine = this._buffer.getLine(row + 1)
+
+      if (!nextLine?.isWrapped) {
+        rowSeparator = "\r\n"
+        this._lastCursorRow = row + 1
+        this._lastCursorCol = 0
+      }
+    }
+
+    this._allRows[this._rowIndex] = this._currentRow
+    this._allRowSeparators[this._rowIndex++] = rowSeparator
+    this._currentRow = ""
+    this._nullCellCount = 0
+  }
+
+  private _diffStyle(cell: IBufferCell, oldCell: IBufferCell): number[] {
+    const sgrSeq: number[] = []
+    const fgChanged = !equalFg(cell, oldCell)
+    const bgChanged = !equalBg(cell, oldCell)
+    const flagsChanged = !equalFlags(cell, oldCell)
+
+    if (fgChanged || bgChanged || flagsChanged) {
+      if (this._isAttributeDefault(cell)) {
+        if (!this._isAttributeDefault(oldCell)) {
+          sgrSeq.push(0)
+        }
+      } else {
+        if (flagsChanged) {
+          if (!!cell.isInverse() !== !!oldCell.isInverse()) {
+            sgrSeq.push(cell.isInverse() ? 7 : 27)
+          }
+          if (!!cell.isBold() !== !!oldCell.isBold()) {
+            sgrSeq.push(cell.isBold() ? 1 : 22)
+          }
+          if (!!cell.isUnderline() !== !!oldCell.isUnderline()) {
+            sgrSeq.push(cell.isUnderline() ? 4 : 24)
+          }
+          if (!!cell.isBlink() !== !!oldCell.isBlink()) {
+            sgrSeq.push(cell.isBlink() ? 5 : 25)
+          }
+          if (!!cell.isInvisible() !== !!oldCell.isInvisible()) {
+            sgrSeq.push(cell.isInvisible() ? 8 : 28)
+          }
+          if (!!cell.isItalic() !== !!oldCell.isItalic()) {
+            sgrSeq.push(cell.isItalic() ? 3 : 23)
+          }
+          if (!!cell.isDim() !== !!oldCell.isDim()) {
+            sgrSeq.push(cell.isDim() ? 2 : 22)
+          }
+          if (!!cell.isStrikethrough() !== !!oldCell.isStrikethrough()) {
+            sgrSeq.push(cell.isStrikethrough() ? 9 : 29)
+          }
+        }
+        if (fgChanged) {
+          const color = cell.getFgColor()
+          const mode = cell.getFgColorMode()
+          if (mode === 2 || mode === 3 || mode === -1) {
+            sgrSeq.push(38, 2, (color >>> 16) & 0xff, (color >>> 8) & 0xff, color & 0xff)
+          } else if (mode === 1) {
+            // Palette
+            if (color >= 16) {
+              sgrSeq.push(38, 5, color)
+            } else {
+              sgrSeq.push(color & 8 ? 90 + (color & 7) : 30 + (color & 7))
+            }
+          } else {
+            sgrSeq.push(39)
+          }
+        }
+        if (bgChanged) {
+          const color = cell.getBgColor()
+          const mode = cell.getBgColorMode()
+          if (mode === 2 || mode === 3 || mode === -1) {
+            sgrSeq.push(48, 2, (color >>> 16) & 0xff, (color >>> 8) & 0xff, color & 0xff)
+          } else if (mode === 1) {
+            // Palette
+            if (color >= 16) {
+              sgrSeq.push(48, 5, color)
+            } else {
+              sgrSeq.push(color & 8 ? 100 + (color & 7) : 40 + (color & 7))
+            }
+          } else {
+            sgrSeq.push(49)
+          }
+        }
+      }
+    }
+
+    return sgrSeq
+  }
+
+  private _isAttributeDefault(cell: IBufferCell): boolean {
+    const mode = cell.getFgColorMode()
+    const bgMode = cell.getBgColorMode()
+
+    if (mode === 0 && bgMode === 0) {
+      return (
+        !cell.isBold() &&
+        !cell.isItalic() &&
+        !cell.isUnderline() &&
+        !cell.isBlink() &&
+        !cell.isInverse() &&
+        !cell.isInvisible() &&
+        !cell.isDim() &&
+        !cell.isStrikethrough()
+      )
+    }
+
+    const fgColor = cell.getFgColor()
+    const bgColor = cell.getBgColor()
+    const nullCell = this._buffer.getNullCell()
+    const nullFg = nullCell.getFgColor()
+    const nullBg = nullCell.getBgColor()
+
+    return (
+      fgColor === nullFg &&
+      bgColor === nullBg &&
+      !cell.isBold() &&
+      !cell.isItalic() &&
+      !cell.isUnderline() &&
+      !cell.isBlink() &&
+      !cell.isInverse() &&
+      !cell.isInvisible() &&
+      !cell.isDim() &&
+      !cell.isStrikethrough()
+    )
+  }
+
+  protected _nextCell(cell: IBufferCell, _oldCell: IBufferCell, row: number, col: number): void {
+    const isPlaceHolderCell = cell.getWidth() === 0
+
+    if (isPlaceHolderCell) {
+      return
+    }
+
+    const codepoint = cell.getCode()
+    const isGarbage = codepoint >= 0xf000
+    const isEmptyCell = codepoint === 0 || cell.getChars() === "" || isGarbage
+
+    const sgrSeq = this._diffStyle(cell, this._cursorStyle)
+
+    const styleChanged = isEmptyCell ? !equalBg(this._cursorStyle, cell) : sgrSeq.length > 0
+
+    if (styleChanged) {
+      if (this._nullCellCount > 0) {
+        this._currentRow += `\u001b[${this._nullCellCount}C`
+        this._nullCellCount = 0
+      }
+
+      this._lastContentCursorRow = this._lastCursorRow = row
+      this._lastContentCursorCol = this._lastCursorCol = col
+
+      this._currentRow += `\u001b[${sgrSeq.join(";")}m`
+
+      const line = this._buffer.getLine(row)
+      const cellFromLine = line?.getCell(col)
+      if (cellFromLine) {
+        this._cursorStyle = cellFromLine
+      }
+    }
+
+    if (isEmptyCell) {
+      this._nullCellCount += cell.getWidth()
+    } else {
+      if (this._nullCellCount > 0) {
+        this._currentRow += `\u001b[${this._nullCellCount}C`
+        this._nullCellCount = 0
+      }
+
+      this._currentRow += cell.getChars()
+
+      this._lastContentCursorRow = this._lastCursorRow = row
+      this._lastContentCursorCol = this._lastCursorCol = col + cell.getWidth()
+    }
+  }
+
+  protected _serializeString(excludeFinalCursorPosition?: boolean): string {
+    let rowEnd = this._allRows.length
+
+    if (this._buffer.length - this._firstRow <= this._terminal.rows) {
+      rowEnd = this._lastContentCursorRow + 1 - this._firstRow
+      this._lastCursorCol = this._lastContentCursorCol
+      this._lastCursorRow = this._lastContentCursorRow
+    }
+
+    let content = ""
+
+    for (let i = 0; i < rowEnd; i++) {
+      content += this._allRows[i]
+      if (i + 1 < rowEnd) {
+        content += this._allRowSeparators[i]
+      }
+    }
+
+    if (!excludeFinalCursorPosition) {
+      const absoluteCursorRow = (this._buffer.baseY ?? 0) + this._buffer.cursorY
+      const cursorRow = constrain(absoluteCursorRow - this._firstRow + 1, 1, Number.MAX_SAFE_INTEGER)
+      const cursorCol = this._buffer.cursorX + 1
+      content += `\u001b[${cursorRow};${cursorCol}H`
+    }
+
+    return content
+  }
+}
+
+// ============================================================================
+// SerializeAddon Class
+// ============================================================================
+
+export class SerializeAddon implements ITerminalAddon {
+  private _terminal?: ITerminalCore
+
+  /**
+   * Activate the addon (called by Terminal.loadAddon)
+   */
+  public activate(terminal: ITerminalCore): void {
+    this._terminal = terminal
+  }
+
+  /**
+   * Dispose the addon and clean up resources
+   */
+  public dispose(): void {
+    this._terminal = undefined
+  }
+
+  /**
+   * Serializes terminal rows into a string that can be written back to the
+   * terminal to restore the state. The cursor will also be positioned to the
+   * correct cell.
+   *
+   * @param options Custom options to allow control over what gets serialized.
+   */
+  public serialize(options?: ISerializeOptions): string {
+    if (!this._terminal) {
+      throw new Error("Cannot use addon until it has been loaded")
+    }
+
+    const terminal = this._terminal as any
+    const buffer = terminal.buffer
+
+    if (!buffer) {
+      return ""
+    }
+
+    const normalBuffer = buffer.normal || buffer.active
+    const altBuffer = buffer.alternate
+
+    if (!normalBuffer) {
+      return ""
+    }
+
+    let content = options?.range
+      ? this._serializeBufferByRange(normalBuffer, options.range, true)
+      : this._serializeBufferByScrollback(normalBuffer, options?.scrollback)
+
+    if (!options?.excludeAltBuffer && buffer.active?.type === "alternate" && altBuffer) {
+      const alternateContent = this._serializeBufferByScrollback(altBuffer, undefined)
+      content += `\u001b[?1049h\u001b[H${alternateContent}`
+    }
+
+    return content
+  }
+
+  /**
+   * Serializes terminal content as plain text (no escape sequences)
+   * @param options Custom options to allow control over what gets serialized.
+   */
+  public serializeAsText(options?: { scrollback?: number; trimWhitespace?: boolean }): string {
+    if (!this._terminal) {
+      throw new Error("Cannot use addon until it has been loaded")
+    }
+
+    const terminal = this._terminal as any
+    const buffer = terminal.buffer
+
+    if (!buffer) {
+      return ""
+    }
+
+    const activeBuffer = buffer.active || buffer.normal
+    if (!activeBuffer) {
+      return ""
+    }
+
+    const maxRows = activeBuffer.length
+    const scrollback = options?.scrollback
+    const correctRows = scrollback === undefined ? maxRows : constrain(scrollback + this._terminal.rows, 0, maxRows)
+
+    const startRow = maxRows - correctRows
+    const endRow = maxRows - 1
+    const lines: string[] = []
+
+    for (let row = startRow; row <= endRow; row++) {
+      const line = activeBuffer.getLine(row)
+      if (line) {
+        const text = line.translateToString(options?.trimWhitespace ?? true)
+        lines.push(text)
+      }
+    }
+
+    // Trim trailing empty lines if requested
+    if (options?.trimWhitespace) {
+      while (lines.length > 0 && lines[lines.length - 1] === "") {
+        lines.pop()
+      }
+    }
+
+    return lines.join("\n")
+  }
+
+  private _serializeBufferByScrollback(buffer: IBuffer, scrollback?: number): string {
+    const maxRows = buffer.length
+    const rows = this._terminal?.rows ?? 24
+    const correctRows = scrollback === undefined ? maxRows : constrain(scrollback + rows, 0, maxRows)
+    return this._serializeBufferByRange(
+      buffer,
+      {
+        start: maxRows - correctRows,
+        end: maxRows - 1,
+      },
+      false,
+    )
+  }
+
+  private _serializeBufferByRange(
+    buffer: IBuffer,
+    range: ISerializeRange,
+    excludeFinalCursorPosition: boolean,
+  ): string {
+    const handler = new StringSerializeHandler(buffer, this._terminal!)
+    const cols = this._terminal?.cols ?? 80
+    return handler.serialize(
+      {
+        start: { x: 0, y: range.start },
+        end: { x: cols, y: range.end },
+      },
+      excludeFinalCursorPosition,
+    )
+  }
+}
diff --git a/packages/app/src/app.tsx b/packages/app/src/app.tsx
new file mode 100644
index 000000000..11216643e
--- /dev/null
+++ b/packages/app/src/app.tsx
@@ -0,0 +1,92 @@
+import "@/index.css"
+import { ErrorBoundary, Show } from "solid-js"
+import { Router, Route, Navigate } from "@solidjs/router"
+import { MetaProvider } from "@solidjs/meta"
+import { Font } from "@opencode-ai/ui/font"
+import { MarkedProvider } from "@opencode-ai/ui/context/marked"
+import { DiffComponentProvider } from "@opencode-ai/ui/context/diff"
+import { CodeComponentProvider } from "@opencode-ai/ui/context/code"
+import { Diff } from "@opencode-ai/ui/diff"
+import { Code } from "@opencode-ai/ui/code"
+import { GlobalSyncProvider } from "@/context/global-sync"
+import { LayoutProvider } from "@/context/layout"
+import { GlobalSDKProvider } from "@/context/global-sdk"
+import { TerminalProvider } from "@/context/terminal"
+import { PromptProvider } from "@/context/prompt"
+import { NotificationProvider } from "@/context/notification"
+import { DialogProvider } from "@opencode-ai/ui/context/dialog"
+import { CommandProvider } from "@/context/command"
+import Layout from "@/pages/layout"
+import Home from "@/pages/home"
+import DirectoryLayout from "@/pages/directory-layout"
+import Session from "@/pages/session"
+import { ErrorPage } from "./pages/error"
+import { iife } from "@opencode-ai/util/iife"
+
+declare global {
+  interface Window {
+    __OPENCODE__?: { updaterEnabled?: boolean; port?: number }
+  }
+}
+
+const url = iife(() => {
+  const param = new URLSearchParams(document.location.search).get("url")
+  if (param) return param
+
+  if (location.hostname.includes("opencode.ai")) return "http://localhost:4096"
+  if (window.__OPENCODE__) return `http://127.0.0.1:${window.__OPENCODE__.port}`
+  if (import.meta.env.DEV)
+    return `http://${import.meta.env.VITE_OPENCODE_SERVER_HOST ?? "localhost"}:${import.meta.env.VITE_OPENCODE_SERVER_PORT ?? "4096"}`
+
+  return "http://localhost:4096"
+})
+
+export function App() {
+  return (
+    <MetaProvider>
+      <Font />
+      <ErrorBoundary fallback={(error) => <ErrorPage error={error} />}>
+        <DialogProvider>
+          <MarkedProvider>
+            <DiffComponentProvider component={Diff}>
+              <CodeComponentProvider component={Code}>
+                <GlobalSDKProvider url={url}>
+                  <GlobalSyncProvider>
+                    <LayoutProvider>
+                      <NotificationProvider>
+                        <Router
+                          root={(props) => (
+                            <CommandProvider>
+                              <Layout>{props.children}</Layout>
+                            </CommandProvider>
+                          )}
+                        >
+                          <Route path="/" component={Home} />
+                          <Route path="/:dir" component={DirectoryLayout}>
+                            <Route path="/" component={() => <Navigate href="session" />} />
+                            <Route
+                              path="/session/:id?"
+                              component={(p) => (
+                                <Show when={p.params.id || true} keyed>
+                                  <TerminalProvider>
+                                    <PromptProvider>
+                                      <Session />
+                                    </PromptProvider>
+                                  </TerminalProvider>
+                                </Show>
+                              )}
+                            />
+                          </Route>
+                        </Router>
+                      </NotificationProvider>
+                    </LayoutProvider>
+                  </GlobalSyncProvider>
+                </GlobalSDKProvider>
+              </CodeComponentProvider>
+            </DiffComponentProvider>
+          </MarkedProvider>
+        </DialogProvider>
+      </ErrorBoundary>
+    </MetaProvider>
+  )
+}
diff --git a/packages/app/src/components/dialog-connect-provider.tsx b/packages/app/src/components/dialog-connect-provider.tsx
new file mode 100644
index 000000000..789a5d3b7
--- /dev/null
+++ b/packages/app/src/components/dialog-connect-provider.tsx
@@ -0,0 +1,383 @@
+import type { ProviderAuthAuthorization } from "@opencode-ai/sdk/v2/client"
+import { Button } from "@opencode-ai/ui/button"
+import { useDialog } from "@opencode-ai/ui/context/dialog"
+import { Dialog } from "@opencode-ai/ui/dialog"
+import { Icon } from "@opencode-ai/ui/icon"
+import { IconButton } from "@opencode-ai/ui/icon-button"
+import type { IconName } from "@opencode-ai/ui/icons/provider"
+import { List, type ListRef } from "@opencode-ai/ui/list"
+import { ProviderIcon } from "@opencode-ai/ui/provider-icon"
+import { Spinner } from "@opencode-ai/ui/spinner"
+import { TextField } from "@opencode-ai/ui/text-field"
+import { showToast } from "@opencode-ai/ui/toast"
+import { iife } from "@opencode-ai/util/iife"
+import { createMemo, Match, onCleanup, onMount, Switch } from "solid-js"
+import { createStore, produce } from "solid-js/store"
+import { Link } from "@/components/link"
+import { useGlobalSDK } from "@/context/global-sdk"
+import { useGlobalSync } from "@/context/global-sync"
+import { usePlatform } from "@/context/platform"
+import { DialogSelectModel } from "./dialog-select-model"
+import { DialogSelectProvider } from "./dialog-select-provider"
+
+export function DialogConnectProvider(props: { provider: string }) {
+  const dialog = useDialog()
+  const globalSync = useGlobalSync()
+  const globalSDK = useGlobalSDK()
+  const platform = usePlatform()
+  const provider = createMemo(() => globalSync.data.provider.all.find((x) => x.id === props.provider)!)
+  const methods = createMemo(
+    () =>
+      globalSync.data.provider_auth[props.provider] ?? [
+        {
+          type: "api",
+          label: "API key",
+        },
+      ],
+  )
+  const [store, setStore] = createStore({
+    methodIndex: undefined as undefined | number,
+    authorization: undefined as undefined | ProviderAuthAuthorization,
+    state: "pending" as undefined | "pending" | "complete" | "error",
+    error: undefined as string | undefined,
+  })
+
+  const method = createMemo(() => (store.methodIndex !== undefined ? methods().at(store.methodIndex!) : undefined))
+
+  async function selectMethod(index: number) {
+    const method = methods()[index]
+    setStore(
+      produce((draft) => {
+        draft.methodIndex = index
+        draft.authorization = undefined
+        draft.state = undefined
+        draft.error = undefined
+      }),
+    )
+
+    if (method.type === "oauth") {
+      setStore("state", "pending")
+      const start = Date.now()
+      await globalSDK.client.provider.oauth
+        .authorize(
+          {
+            providerID: props.provider,
+            method: index,
+          },
+          { throwOnError: true },
+        )
+        .then((x) => {
+          const elapsed = Date.now() - start
+          const delay = 1000 - elapsed
+
+          if (delay > 0) {
+            setTimeout(() => {
+              setStore("state", "complete")
+              setStore("authorization", x.data!)
+            }, delay)
+            return
+          }
+          setStore("state", "complete")
+          setStore("authorization", x.data!)
+        })
+        .catch((e) => {
+          setStore("state", "error")
+          setStore("error", String(e))
+        })
+    }
+  }
+
+  let listRef: ListRef | undefined
+  function handleKey(e: KeyboardEvent) {
+    if (e.key === "Enter" && e.target instanceof HTMLInputElement) {
+      return
+    }
+    if (e.key === "Escape") return
+    listRef?.onKeyDown(e)
+  }
+
+  onMount(() => {
+    if (methods().length === 1) {
+      selectMethod(0)
+    }
+    document.addEventListener("keydown", handleKey)
+    onCleanup(() => {
+      document.removeEventListener("keydown", handleKey)
+    })
+  })
+
+  async function complete() {
+    await globalSDK.client.global.dispose()
+    dialog.close()
+    showToast({
+      variant: "success",
+      icon: "circle-check",
+      title: `${provider().name} connected`,
+      description: `${provider().name} models are now available to use.`,
+    })
+  }
+
+  function goBack() {
+    if (methods().length === 1) {
+      dialog.show(() => <DialogSelectProvider />)
+      return
+    }
+    if (store.authorization) {
+      setStore("authorization", undefined)
+      setStore("methodIndex", undefined)
+      return
+    }
+    if (store.methodIndex) {
+      setStore("methodIndex", undefined)
+      return
+    }
+    dialog.show(() => <DialogSelectProvider />)
+  }
+
+  return (
+    <Dialog title={<IconButton tabIndex={-1} icon="arrow-left" variant="ghost" onClick={goBack} />}>
+      <div class="flex flex-col gap-6 px-2.5 pb-3">
+        <div class="px-2.5 flex gap-4 items-center">
+          <ProviderIcon id={props.provider as IconName} class="size-5 shrink-0 icon-strong-base" />
+          <div class="text-16-medium text-text-strong">
+            <Switch>
+              <Match when={props.provider === "anthropic" && method()?.label?.toLowerCase().includes("max")}>
+                Login with Claude Pro/Max
+              </Match>
+              <Match when={true}>Connect {provider().name}</Match>
+            </Switch>
+          </div>
+        </div>
+        <div class="px-2.5 pb-10 flex flex-col gap-6">
+          <Switch>
+            <Match when={store.methodIndex === undefined}>
+              <div class="text-14-regular text-text-base">Select login method for {provider().name}.</div>
+              <div class="">
+                <List
+                  ref={(ref) => {
+                    listRef = ref
+                  }}
+                  items={methods}
+                  key={(m) => m?.label}
+                  onSelect={async (method, index) => {
+                    if (!method) return
+                    selectMethod(index)
+                  }}
+                >
+                  {(i) => (
+                    <div class="w-full flex items-center gap-x-2">
+                      <div class="w-4 h-2 rounded-[1px] bg-input-base shadow-xs-border-base flex items-center justify-center">
+                        <div class="w-2.5 h-0.5 bg-icon-strong-base hidden" data-slot="list-item-extra-icon" />
+                      </div>
+                      <span>{i.label}</span>
+                    </div>
+                  )}
+                </List>
+              </div>
+            </Match>
+            <Match when={store.state === "pending"}>
+              <div class="text-14-regular text-text-base">
+                <div class="flex items-center gap-x-2">
+                  <Spinner />
+                  <span>Authorization in progress...</span>
+                </div>
+              </div>
+            </Match>
+            <Match when={store.state === "error"}>
+              <div class="text-14-regular text-text-base">
+                <div class="flex items-center gap-x-2">
+                  <Icon name="circle-ban-sign" class="text-icon-critical-base" />
+                  <span>Authorization failed: {store.error}</span>
+                </div>
+              </div>
+            </Match>
+            <Match when={method()?.type === "api"}>
+              {iife(() => {
+                const [formStore, setFormStore] = createStore({
+                  value: "",
+                  error: undefined as string | undefined,
+                })
+
+                async function handleSubmit(e: SubmitEvent) {
+                  e.preventDefault()
+
+                  const form = e.currentTarget as HTMLFormElement
+                  const formData = new FormData(form)
+                  const apiKey = formData.get("apiKey") as string
+
+                  if (!apiKey?.trim()) {
+                    setFormStore("error", "API key is required")
+                    return
+                  }
+
+                  setFormStore("error", undefined)
+                  await globalSDK.client.auth.set({
+                    providerID: props.provider,
+                    auth: {
+                      type: "api",
+                      key: apiKey,
+                    },
+                  })
+                  await complete()
+                }
+
+                return (
+                  <div class="flex flex-col gap-6">
+                    <Switch>
+                      <Match when={provider().id === "opencode"}>
+                        <div class="flex flex-col gap-4">
+                          <div class="text-14-regular text-text-base">
+                            OpenCode Zen gives you access to a curated set of reliable optimized models for coding
+                            agents.
+                          </div>
+                          <div class="text-14-regular text-text-base">
+                            With a single API key you'll get access to models such as Claude, GPT, Gemini, GLM and more.
+                          </div>
+                          <div class="text-14-regular text-text-base">
+                            Visit{" "}
+                            <Link href="https://opencode.ai/zen" tabIndex={-1}>
+                              opencode.ai/zen
+                            </Link>{" "}
+                            to collect your API key.
+                          </div>
+                        </div>
+                      </Match>
+                      <Match when={true}>
+                        <div class="text-14-regular text-text-base">
+                          Enter your {provider().name} API key to connect your account and use {provider().name} models
+                          in OpenCode.
+                        </div>
+                      </Match>
+                    </Switch>
+                    <form onSubmit={handleSubmit} class="flex flex-col items-start gap-4">
+                      <TextField
+                        autofocus
+                        type="text"
+                        label={`${provider().name} API key`}
+                        placeholder="API key"
+                        name="apiKey"
+                        value={formStore.value}
+                        onChange={setFormStore.bind(null, "value")}
+                        validationState={formStore.error ? "invalid" : undefined}
+                        error={formStore.error}
+                      />
+                      <Button class="w-auto" type="submit" size="large" variant="primary">
+                        Submit
+                      </Button>
+                    </form>
+                  </div>
+                )
+              })}
+            </Match>
+            <Match when={method()?.type === "oauth"}>
+              <Switch>
+                <Match when={store.authorization?.method === "code"}>
+                  {iife(() => {
+                    const [formStore, setFormStore] = createStore({
+                      value: "",
+                      error: undefined as string | undefined,
+                    })
+
+                    onMount(() => {
+                      if (store.authorization?.method === "code" && store.authorization?.url) {
+                        platform.openLink(store.authorization.url)
+                      }
+                    })
+
+                    async function handleSubmit(e: SubmitEvent) {
+                      e.preventDefault()
+
+                      const form = e.currentTarget as HTMLFormElement
+                      const formData = new FormData(form)
+                      const code = formData.get("code") as string
+
+                      if (!code?.trim()) {
+                        setFormStore("error", "Authorization code is required")
+                        return
+                      }
+
+                      setFormStore("error", undefined)
+                      const { error } = await globalSDK.client.provider.oauth.callback({
+                        providerID: props.provider,
+                        method: store.methodIndex,
+                        code,
+                      })
+                      if (!error) {
+                        await complete()
+                        return
+                      }
+                      setFormStore("error", "Invalid authorization code")
+                    }
+
+                    return (
+                      <div class="flex flex-col gap-6">
+                        <div class="text-14-regular text-text-base">
+                          Visit <Link href={store.authorization!.url}>this link</Link> to collect your authorization
+                          code to connect your account and use {provider().name} models in OpenCode.
+                        </div>
+                        <form onSubmit={handleSubmit} class="flex flex-col items-start gap-4">
+                          <TextField
+                            autofocus
+                            type="text"
+                            label={`${method()?.label} authorization code`}
+                            placeholder="Authorization code"
+                            name="code"
+                            value={formStore.value}
+                            onChange={setFormStore.bind(null, "value")}
+                            validationState={formStore.error ? "invalid" : undefined}
+                            error={formStore.error}
+                          />
+                          <Button class="w-auto" type="submit" size="large" variant="primary">
+                            Submit
+                          </Button>
+                        </form>
+                      </div>
+                    )
+                  })}
+                </Match>
+                <Match when={store.authorization?.method === "auto"}>
+                  {iife(() => {
+                    const code = createMemo(() => {
+                      const instructions = store.authorization?.instructions
+                      if (instructions?.includes(":")) {
+                        return instructions?.split(":")[1]?.trim()
+                      }
+                      return instructions
+                    })
+
+                    onMount(async () => {
+                      const result = await globalSDK.client.provider.oauth.callback({
+                        providerID: props.provider,
+                        method: store.methodIndex,
+                      })
+                      if (result.error) {
+                        // TODO: show error
+                        dialog.close()
+                        return
+                      }
+                      await complete()
+                    })
+
+                    return (
+                      <div class="flex flex-col gap-6">
+                        <div class="text-14-regular text-text-base">
+                          Visit <Link href={store.authorization!.url}>this link</Link> and enter the code below to
+                          connect your account and use {provider().name} models in OpenCode.
+                        </div>
+                        <TextField label="Confirmation code" class="font-mono" value={code()} readOnly copyable />
+                        <div class="text-14-regular text-text-base flex items-center gap-4">
+                          <Spinner />
+                          <span>Waiting for authorization...</span>
+                        </div>
+                      </div>
+                    )
+                  })}
+                </Match>
+              </Switch>
+            </Match>
+          </Switch>
+        </div>
+      </div>
+    </Dialog>
+  )
+}
diff --git a/packages/app/src/components/dialog-manage-models.tsx b/packages/app/src/components/dialog-manage-models.tsx
new file mode 100644
index 000000000..66d125288
--- /dev/null
+++ b/packages/app/src/components/dialog-manage-models.tsx
@@ -0,0 +1,57 @@
+import { Dialog } from "@opencode-ai/ui/dialog"
+import { List } from "@opencode-ai/ui/list"
+import { Switch } from "@opencode-ai/ui/switch"
+import type { Component } from "solid-js"
+import { useLocal } from "@/context/local"
+import { popularProviders } from "@/hooks/use-providers"
+
+export const DialogManageModels: Component = () => {
+  const local = useLocal()
+  return (
+    <Dialog title="Manage models" description="Customize which models appear in the model selector.">
+      <List
+        search={{ placeholder: "Search models", autofocus: true }}
+        emptyMessage="No model results"
+        key={(x) => `${x?.provider?.id}:${x?.id}`}
+        items={local.model.list()}
+        filterKeys={["provider.name", "name", "id"]}
+        sortBy={(a, b) => a.name.localeCompare(b.name)}
+        groupBy={(x) => x.provider.name}
+        sortGroupsBy={(a, b) => {
+          const aProvider = a.items[0].provider.id
+          const bProvider = b.items[0].provider.id
+          if (popularProviders.includes(aProvider) && !popularProviders.includes(bProvider)) return -1
+          if (!popularProviders.includes(aProvider) && popularProviders.includes(bProvider)) return 1
+          return popularProviders.indexOf(aProvider) - popularProviders.indexOf(bProvider)
+        }}
+        onSelect={(x) => {
+          if (!x) return
+          const visible = local.model.visible({
+            modelID: x.id,
+            providerID: x.provider.id,
+          })
+          local.model.setVisibility({ modelID: x.id, providerID: x.provider.id }, !visible)
+        }}
+      >
+        {(i) => (
+          <div class="w-full flex items-center justify-between gap-x-3">
+            <span>{i.name}</span>
+            <div onClick={(e) => e.stopPropagation()}>
+              <Switch
+                checked={
+                  !!local.model.visible({
+                    modelID: i.id,
+                    providerID: i.provider.id,
+                  })
+                }
+                onChange={(checked) => {
+                  local.model.setVisibility({ modelID: i.id, providerID: i.provider.id }, checked)
+                }}
+              />
+            </div>
+          </div>
+        )}
+      </List>
+    </Dialog>
+  )
+}
diff --git a/packages/app/src/components/dialog-select-file.tsx b/packages/app/src/components/dialog-select-file.tsx
new file mode 100644
index 000000000..b27afdc8b
--- /dev/null
+++ b/packages/app/src/components/dialog-select-file.tsx
@@ -0,0 +1,48 @@
+import { useDialog } from "@opencode-ai/ui/context/dialog"
+import { Dialog } from "@opencode-ai/ui/dialog"
+import { FileIcon } from "@opencode-ai/ui/file-icon"
+import { List } from "@opencode-ai/ui/list"
+import { getDirectory, getFilename } from "@opencode-ai/util/path"
+import { useParams } from "@solidjs/router"
+import { createMemo } from "solid-js"
+import { useLayout } from "@/context/layout"
+import { useLocal } from "@/context/local"
+
+export function DialogSelectFile() {
+  const layout = useLayout()
+  const local = useLocal()
+  const dialog = useDialog()
+  const params = useParams()
+  const sessionKey = createMemo(() => `${params.dir}${params.id ? "/" + params.id : ""}`)
+  const tabs = createMemo(() => layout.tabs(sessionKey()))
+  return (
+    <Dialog title="Select file">
+      <List
+        search={{ placeholder: "Search files", autofocus: true }}
+        emptyMessage="No files found"
+        items={local.file.searchFiles}
+        key={(x) => x}
+        onSelect={(path) => {
+          if (path) {
+            tabs().open("file://" + path)
+          }
+          dialog.close()
+        }}
+      >
+        {(i) => (
+          <div class="w-full flex items-center justify-between rounded-md">
+            <div class="flex items-center gap-x-3 grow min-w-0">
+              <FileIcon node={{ path: i, type: "file" }} class="shrink-0 size-4" />
+              <div class="flex items-center text-14-regular">
+                <span class="text-text-weak whitespace-nowrap overflow-hidden overflow-ellipsis truncate min-w-0">
+                  {getDirectory(i)}
+                </span>
+                <span class="text-text-strong whitespace-nowrap">{getFilename(i)}</span>
+              </div>
+            </div>
+          </div>
+        )}
+      </List>
+    </Dialog>
+  )
+}
diff --git a/packages/app/src/components/dialog-select-model-unpaid.tsx b/packages/app/src/components/dialog-select-model-unpaid.tsx
new file mode 100644
index 000000000..24ec8092d
--- /dev/null
+++ b/packages/app/src/components/dialog-select-model-unpaid.tsx
@@ -0,0 +1,110 @@
+import { Button } from "@opencode-ai/ui/button"
+import { useDialog } from "@opencode-ai/ui/context/dialog"
+import { Dialog } from "@opencode-ai/ui/dialog"
+import type { IconName } from "@opencode-ai/ui/icons/provider"
+import { List, type ListRef } from "@opencode-ai/ui/list"
+import { ProviderIcon } from "@opencode-ai/ui/provider-icon"
+import { Tag } from "@opencode-ai/ui/tag"
+import { type Component, onCleanup, onMount, Show } from "solid-js"
+import { useLocal } from "@/context/local"
+import { popularProviders, useProviders } from "@/hooks/use-providers"
+import { DialogConnectProvider } from "./dialog-connect-provider"
+import { DialogSelectProvider } from "./dialog-select-provider"
+
+export const DialogSelectModelUnpaid: Component = () => {
+  const local = useLocal()
+  const dialog = useDialog()
+  const providers = useProviders()
+
+  let listRef: ListRef | undefined
+  const handleKey = (e: KeyboardEvent) => {
+    if (e.key === "Escape") return
+    listRef?.onKeyDown(e)
+  }
+
+  onMount(() => {
+    document.addEventListener("keydown", handleKey)
+    onCleanup(() => {
+      document.removeEventListener("keydown", handleKey)
+    })
+  })
+
+  return (
+    <Dialog title="Select model">
+      <div class="flex flex-col gap-3 px-2.5">
+        <div class="text-14-medium text-text-base px-2.5">Free models provided by OpenCode</div>
+        <List
+          ref={(ref) => (listRef = ref)}
+          items={local.model.list}
+          current={local.model.current()}
+          key={(x) => `${x.provider.id}:${x.id}`}
+          onSelect={(x) => {
+            local.model.set(x ? { modelID: x.id, providerID: x.provider.id } : undefined, {
+              recent: true,
+            })
+            dialog.close()
+          }}
+        >
+          {(i) => (
+            <div class="w-full flex items-center gap-x-2.5">
+              <span>{i.name}</span>
+              <Tag>Free</Tag>
+              <Show when={i.latest}>
+                <Tag>Latest</Tag>
+              </Show>
+            </div>
+          )}
+        </List>
+        <div />
+        <div />
+      </div>
+      <div class="px-1.5 pb-1.5">
+        <div class="w-full rounded-sm border border-border-weak-base bg-surface-raised-base">
+          <div class="w-full flex flex-col items-start gap-4 px-1.5 pt-4 pb-4">
+            <div class="px-2 text-14-medium text-text-base">Add more models from popular providers</div>
+            <div class="w-full">
+              <List
+                class="w-full px-0"
+                key={(x) => x?.id}
+                items={providers.popular}
+                activeIcon="plus-small"
+                sortBy={(a, b) => {
+                  if (popularProviders.includes(a.id) && popularProviders.includes(b.id))
+                    return popularProviders.indexOf(a.id) - popularProviders.indexOf(b.id)
+                  return a.name.localeCompare(b.name)
+                }}
+                onSelect={(x) => {
+                  if (!x) return
+                  dialog.show(() => <DialogConnectProvider provider={x.id} />)
+                }}
+              >
+                {(i) => (
+                  <div class="w-full flex items-center gap-x-3">
+                    <ProviderIcon data-slot="list-item-extra-icon" id={i.id as IconName} />
+                    <span>{i.name}</span>
+                    <Show when={i.id === "opencode"}>
+                      <Tag>Recommended</Tag>
+                    </Show>
+                    <Show when={i.id === "anthropic"}>
+                      <div class="text-14-regular text-text-weak">Connect with Claude Pro/Max or API key</div>
+                    </Show>
+                  </div>
+                )}
+              </List>
+              <Button
+                variant="ghost"
+                class="w-full justify-start px-[11px] py-3.5 gap-4.5 text-14-medium"
+                icon="dot-grid"
+                onClick={() => {
+                  dialog.show(() => <DialogSelectProvider />)
+                }}
+              >
+                View all providers
+              </Button>
+            </div>
+          </div>
+        </div>
+      </div>
+    </Dialog>
+  )
+}
diff --git a/packages/app/src/components/dialog-select-model.tsx b/packages/app/src/components/dialog-select-model.tsx
new file mode 100644
index 000000000..54783386a
--- /dev/null
+++ b/packages/app/src/components/dialog-select-model.tsx
@@ -0,0 +1,83 @@
+import { Component, createMemo, Show } from "solid-js"
+import { useLocal } from "@/context/local"
+import { useDialog } from "@opencode-ai/ui/context/dialog"
+import { popularProviders } from "@/hooks/use-providers"
+import { Button } from "@opencode-ai/ui/button"
+import { Tag } from "@opencode-ai/ui/tag"
+import { Dialog } from "@opencode-ai/ui/dialog"
+import { List } from "@opencode-ai/ui/list"
+import { DialogSelectProvider } from "./dialog-select-provider"
+import { DialogManageModels } from "./dialog-manage-models"
+
+export const DialogSelectModel: Component<{ provider?: string }> = (props) => {
+  const local = useLocal()
+  const dialog = useDialog()
+
+  const models = createMemo(() =>
+    local.model
+      .list()
+      .filter((m) => local.model.visible({ modelID: m.id, providerID: m.provider.id }))
+      .filter((m) => (props.provider ? m.provider.id === props.provider : true)),
+  )
+
+  return (
+    <Dialog
+      title="Select model"
+      action={
+        <Button
+          class="h-7 -my-1 text-14-medium"
+          icon="plus-small"
+          tabIndex={-1}
+          onClick={() => dialog.show(() => <DialogSelectProvider />)}
+        >
+          Connect provider
+        </Button>
+      }
+    >
+      <List
+        search={{ placeholder: "Search models", autofocus: true }}
+        emptyMessage="No model results"
+        key={(x) => `${x.provider.id}:${x.id}`}
+        items={models}
+        current={local.model.current()}
+        filterKeys={["provider.name", "name", "id"]}
+        sortBy={(a, b) => a.name.localeCompare(b.name)}
+        groupBy={(x) => x.provider.name}
+        sortGroupsBy={(a, b) => {
+          if (a.category === "Recent" && b.category !== "Recent") return -1
+          if (b.category === "Recent" && a.category !== "Recent") return 1
+          const aProvider = a.items[0].provider.id
+          const bProvider = b.items[0].provider.id
+          if (popularProviders.includes(aProvider) && !popularProviders.includes(bProvider)) return -1
+          if (!popularProviders.includes(aProvider) && popularProviders.includes(bProvider)) return 1
+          return popularProviders.indexOf(aProvider) - popularProviders.indexOf(bProvider)
+        }}
+        onSelect={(x) => {
+          local.model.set(x ? { modelID: x.id, providerID: x.provider.id } : undefined, {
+            recent: true,
+          })
+          dialog.close()
+        }}
+      >
+        {(i) => (
+          <div class="w-full flex items-center gap-x-3">
+            <span>{i.name}</span>
+            <Show when={i.provider.id === "opencode" && (!i.cost || i.cost?.input === 0)}>
+              <Tag>Free</Tag>
+            </Show>
+            <Show when={i.latest}>
+              <Tag>Latest</Tag>
+            </Show>
+          </div>
+        )}
+      </List>
+      <Button
+        variant="ghost"
+        class="ml-3 mt-5 mb-6 text-text-base self-start"
+        onClick={() => dialog.show(() => <DialogManageModels />)}
+      >
+        Manage models
+      </Button>
+    </Dialog>
+  )
+}
diff --git a/packages/app/src/components/dialog-select-provider.tsx b/packages/app/src/components/dialog-select-provider.tsx
new file mode 100644
index 000000000..5bbde5d41
--- /dev/null
+++ b/packages/app/src/components/dialog-select-provider.tsx
@@ -0,0 +1,54 @@
+import { Component, Show } from "solid-js"
+import { useDialog } from "@opencode-ai/ui/context/dialog"
+import { popularProviders, useProviders } from "@/hooks/use-providers"
+import { Dialog } from "@opencode-ai/ui/dialog"
+import { List } from "@opencode-ai/ui/list"
+import { Tag } from "@opencode-ai/ui/tag"
+import { ProviderIcon } from "@opencode-ai/ui/provider-icon"
+import { IconName } from "@opencode-ai/ui/icons/provider"
+import { DialogConnectProvider } from "./dialog-connect-provider"
+
+export const DialogSelectProvider: Component = () => {
+  const dialog = useDialog()
+  const providers = useProviders()
+
+  return (
+    <Dialog title="Connect provider">
+      <List
+        search={{ placeholder: "Search providers", autofocus: true }}
+        activeIcon="plus-small"
+        key={(x) => x?.id}
+        items={providers.all}
+        filterKeys={["id", "name"]}
+        groupBy={(x) => (popularProviders.includes(x.id) ? "Popular" : "Other")}
+        sortBy={(a, b) => {
+          if (popularProviders.includes(a.id) && popularProviders.includes(b.id))
+            return popularProviders.indexOf(a.id) - popularProviders.indexOf(b.id)
+          return a.name.localeCompare(b.name)
+        }}
+        sortGroupsBy={(a, b) => {
+          if (a.category === "Popular" && b.category !== "Popular") return -1
+          if (b.category === "Popular" && a.category !== "Popular") return 1
+          return 0
+        }}
+        onSelect={(x) => {
+          if (!x) return
+          dialog.show(() => <DialogConnectProvider provider={x.id} />)
+        }}
+      >
+        {(i) => (
+          <div class="px-1.25 w-full flex items-center gap-x-3">
+            <ProviderIcon data-slot="list-item-extra-icon" id={i.id as IconName} />
+            <span>{i.name}</span>
+            <Show when={i.id === "opencode"}>
+              <Tag>Recommended</Tag>
+            </Show>
+            <Show when={i.id === "anthropic"}>
+              <div class="text-14-regular text-text-weak">Connect with Claude Pro/Max or API key</div>
+            </Show>
+          </div>
+        )}
+      </List>
+    </Dialog>
+  )
+}
diff --git a/packages/app/src/components/file-tree.tsx b/packages/app/src/components/file-tree.tsx
new file mode 100644
index 000000000..0841c71d1
--- /dev/null
+++ b/packages/app/src/components/file-tree.tsx
@@ -0,0 +1,112 @@
+import { useLocal, type LocalFile } from "@/context/local"
+import { Collapsible } from "@opencode-ai/ui/collapsible"
+import { FileIcon } from "@opencode-ai/ui/file-icon"
+import { Tooltip } from "@opencode-ai/ui/tooltip"
+import { For, Match, Switch, Show, type ComponentProps, type ParentProps } from "solid-js"
+import { Dynamic } from "solid-js/web"
+
+export default function FileTree(props: {
+  path: string
+  class?: string
+  nodeClass?: string
+  level?: number
+  onFileClick?: (file: LocalFile) => void
+}) {
+  const local = useLocal()
+  const level = props.level ?? 0
+
+  const Node = (p: ParentProps & ComponentProps<"div"> & { node: LocalFile; as?: "div" | "button" }) => (
+    <Dynamic
+      component={p.as ?? "div"}
+      classList={{
+        "p-0.5 w-full flex items-center gap-x-2 hover:bg-background-element": true,
+        // "bg-background-element": local.file.active()?.path === p.node.path,
+        [props.nodeClass ?? ""]: !!props.nodeClass,
+      }}
+      style={`padding-left: ${level * 10}px`}
+      draggable={true}
+      onDragStart={(e: any) => {
+        const evt = e as globalThis.DragEvent
+        evt.dataTransfer!.effectAllowed = "copy"
+        evt.dataTransfer!.setData("text/plain", `file:${p.node.path}`)
+
+        // Create custom drag image without margins
+        const dragImage = document.createElement("div")
+        dragImage.className =
+          "flex items-center gap-x-2 px-2 py-1 bg-background-element rounded-md border border-border-1"
+        dragImage.style.position = "absolute"
+        dragImage.style.top = "-1000px"
+
+        // Copy only the icon and text content without padding
+        const icon = e.currentTarget.querySelector("svg")
+        const text = e.currentTarget.querySelector("span")
+        if (icon && text) {
+          dragImage.innerHTML = icon.outerHTML + text.outerHTML
+        }
+
+        document.body.appendChild(dragImage)
+        evt.dataTransfer!.setDragImage(dragImage, 0, 12)
+        setTimeout(() => document.body.removeChild(dragImage), 0)
+      }}
+      {...p}
+    >
+      {p.children}
+      <span
+        classList={{
+          "text-xs whitespace-nowrap truncate": true,
+          "text-text-muted/40": p.node.ignored,
+          "text-text-muted/80": !p.node.ignored,
+          // "!text-text": local.file.active()?.path === p.node.path,
+          "!text-primary": local.file.changed(p.node.path),
+        }}
+      >
+        {p.node.name}
+      </span>
+      <Show when={local.file.changed(p.node.path)}>
+        <span class="ml-auto mr-1 w-1.5 h-1.5 rounded-full bg-primary/50 shrink-0" />
+      </Show>
+    </Dynamic>
+  )
+
+  return (
+    <div class={`flex flex-col ${props.class}`}>
+      <For each={local.file.children(props.path)}>
+        {(node) => (
+          <Tooltip forceMount={false} openDelay={2000} value={node.path} placement="right">
+            <Switch>
+              <Match when={node.type === "directory"}>
+                <Collapsible
+                  variant="ghost"
+                  class="w-full"
+                  forceMount={false}
+                  // open={local.file.node(node.path)?.expanded}
+                  onOpenChange={(open) => (open ? local.file.expand(node.path) : local.file.collapse(node.path))}
+                >
+                  <Collapsible.Trigger>
+                    <Node node={node}>
+                      <Collapsible.Arrow class="text-text-muted/60 ml-1" />
+                      <FileIcon
+                        node={node}
+                        // expanded={local.file.node(node.path).expanded}
+                        class="text-text-muted/60 -ml-1"
+                      />
+                    </Node>
+                  </Collapsible.Trigger>
+                  <Collapsible.Content>
+                    <FileTree path={node.path} level={level + 1} onFileClick={props.onFileClick} />
+                  </Collapsible.Content>
+                </Collapsible>
+              </Match>
+              <Match when={node.type === "file"}>
+                <Node node={node} as="button" onClick={() => props.onFileClick?.(node)}>
+                  <div class="w-4 shrink-0" />
+                  <FileIcon node={node} class="text-primary" />
+                </Node>
+              </Match>
+            </Switch>
+          </Tooltip>
+        )}
+      </For>
+    </div>
+  )
+}
diff --git a/packages/app/src/components/header.tsx b/packages/app/src/components/header.tsx
new file mode 100644
index 000000000..ec7cdfa25
--- /dev/null
+++ b/packages/app/src/components/header.tsx
@@ -0,0 +1,209 @@
+import { useGlobalSync } from "@/context/global-sync"
+import { useGlobalSDK } from "@/context/global-sdk"
+import { useLayout } from "@/context/layout"
+import { Session } from "@opencode-ai/sdk/v2/client"
+import { Button } from "@opencode-ai/ui/button"
+import { Icon } from "@opencode-ai/ui/icon"
+import { Mark } from "@opencode-ai/ui/logo"
+import { Popover } from "@opencode-ai/ui/popover"
+import { Select } from "@opencode-ai/ui/select"
+import { TextField } from "@opencode-ai/ui/text-field"
+import { Tooltip } from "@opencode-ai/ui/tooltip"
+import { base64Decode } from "@opencode-ai/util/encode"
+import { useCommand } from "@/context/command"
+import { getFilename } from "@opencode-ai/util/path"
+import { A, useParams } from "@solidjs/router"
+import { createMemo, createResource, Show } from "solid-js"
+import { IconButton } from "@opencode-ai/ui/icon-button"
+import { iife } from "@opencode-ai/util/iife"
+
+export function Header(props: {
+  navigateToProject: (directory: string) => void
+  navigateToSession: (session: Session | undefined) => void
+  onMobileMenuToggle?: () => void
+}) {
+  const globalSync = useGlobalSync()
+  const globalSDK = useGlobalSDK()
+  const layout = useLayout()
+  const params = useParams()
+  const command = useCommand()
+
+  return (
+    <header class="h-12 shrink-0 bg-background-base border-b border-border-weak-base flex" data-tauri-drag-region>
+      <button
+        type="button"
+        class="xl:hidden w-12 shrink-0 flex items-center justify-center border-r border-border-weak-base hover:bg-surface-raised-base-hover active:bg-surface-raised-base-active transition-colors"
+        onClick={props.onMobileMenuToggle}
+      >
+        <Icon name="menu" size="small" />
+      </button>
+      <A
+        href="/"
+        classList={{
+          "hidden xl:flex": true,
+          "w-12 shrink-0 px-4 py-3.5": true,
+          "items-center justify-start self-stretch": true,
+          "border-r border-border-weak-base": true,
+        }}
+        style={{ width: layout.sidebar.opened() ? `${layout.sidebar.width()}px` : undefined }}
+        data-tauri-drag-region
+      >
+        <Mark class="shrink-0" />
+      </A>
+      <div class="pl-4 px-6 flex items-center justify-between gap-4 w-full">
+        <Show when={layout.projects.list().length > 0 && params.dir}>
+          {(directory) => {
+            const currentDirectory = createMemo(() => base64Decode(directory()))
+            const store = createMemo(() => globalSync.child(currentDirectory())[0])
+            const sessions = createMemo(() => (store().session ?? []).filter((s) => !s.parentID))
+            const currentSession = createMemo(() => sessions().find((s) => s.id === params.id))
+            const shareEnabled = createMemo(() => store().config.share !== "disabled")
+            return (
+              <>
+                <div class="flex items-center gap-3 min-w-0">
+                  <div class="flex items-center gap-2 min-w-0">
+                    <div class="hidden xl:flex items-center gap-2">
+                      <Select
+                        options={layout.projects.list().map((project) => project.worktree)}
+                        current={currentDirectory()}
+                        label={(x) => getFilename(x)}
+                        onSelect={(x) => (x ? props.navigateToProject(x) : undefined)}
+                        class="text-14-regular text-text-base"
+                        variant="ghost"
+                      >
+                        {/* @ts-ignore */}
+                        {(i) => (
+                          <div class="flex items-center gap-2">
+                            <Icon name="folder" size="small" />
+                            <div class="text-text-strong">{getFilename(i)}</div>
+                          </div>
+                        )}
+                      </Select>
+                      <div class="text-text-weaker">/</div>
+                    </div>
+                    <Select
+                      options={sessions()}
+                      current={currentSession()}
+                      placeholder="New session"
+                      label={(x) => x.title}
+                      value={(x) => x.id}
+                      onSelect={props.navigateToSession}
+                      class="text-14-regular text-text-base max-w-[calc(100vw-180px)] md:max-w-md"
+                      variant="ghost"
+                    />
+                  </div>
+                  <Show when={currentSession()}>
+                    <Tooltip
+                      class="hidden xl:block"
+                      value={
+                        <div class="flex items-center gap-2">
+                          <span>New session</span>
+                          <span class="text-icon-base text-12-medium">{command.keybind("session.new")}</span>
+                        </div>
+                      }
+                    >
+                      <Button as={A} href={`/${params.dir}/session`} icon="plus-small">
+                        New session
+                      </Button>
+                    </Tooltip>
+                  </Show>
+                </div>
+                <div class="flex items-center gap-4">
+                  <Tooltip
+                    class="hidden md:block shrink-0"
+                    value={
+                      <div class="flex items-center gap-2">
+                        <span>Toggle review</span>
+                        <span class="text-icon-base text-12-medium">{command.keybind("review.toggle")}</span>
+                      </div>
+                    }
+                  >
+                    <Button variant="ghost" class="group/review-toggle size-6 p-0" onClick={layout.review.toggle}>
+                      <div class="relative flex items-center justify-center size-4 [&>*]:absolute [&>*]:inset-0">
+                        <Icon
+                          size="small"
+                          name={layout.review.opened() ? "layout-right-full" : "layout-right"}
+                          class="group-hover/review-toggle:hidden"
+                        />
+                        <Icon
+                          size="small"
+                          name="layout-right-partial"
+                          class="hidden group-hover/review-toggle:inline-block"
+                        />
+                        <Icon
+                          size="small"
+                          name={layout.review.opened() ? "layout-right" : "layout-right-full"}
+                          class="hidden group-active/review-toggle:inline-block"
+                        />
+                      </div>
+                    </Button>
+                  </Tooltip>
+                  <Tooltip
+                    class="hidden md:block shrink-0"
+                    value={
+                      <div class="flex items-center gap-2">
+                        <span>Toggle terminal</span>
+                        <span class="text-icon-base text-12-medium">{command.keybind("terminal.toggle")}</span>
+                      </div>
+                    }
+                  >
+                    <Button variant="ghost" class="group/terminal-toggle size-6 p-0" onClick={layout.terminal.toggle}>
+                      <div class="relative flex items-center justify-center size-4 [&>*]:absolute [&>*]:inset-0">
+                        <Icon
+                          size="small"
+                          name={layout.terminal.opened() ? "layout-bottom-full" : "layout-bottom"}
+                          class="group-hover/terminal-toggle:hidden"
+                        />
+                        <Icon
+                          size="small"
+                          name="layout-bottom-partial"
+                          class="hidden group-hover/terminal-toggle:inline-block"
+                        />
+                        <Icon
+                          size="small"
+                          name={layout.terminal.opened() ? "layout-bottom" : "layout-bottom-full"}
+                          class="hidden group-active/terminal-toggle:inline-block"
+                        />
+                      </div>
+                    </Button>
+                  </Tooltip>
+                  <Show when={shareEnabled() && currentSession()}>
+                    <Popover
+                      title="Share session"
+                      trigger={
+                        <Tooltip class="shrink-0" value="Share session">
+                          <IconButton icon="share" variant="ghost" class="" />
+                        </Tooltip>
+                      }
+                    >
+                      {iife(() => {
+                        const [url] = createResource(
+                          () => currentSession(),
+                          async (session) => {
+                            if (!session) return
+                            let shareURL = session.share?.url
+                            if (!shareURL) {
+                              shareURL = await globalSDK.client.session
+                                .share({ sessionID: session.id, directory: currentDirectory() })
+                                .then((r) => r.data?.share?.url)
+                            }
+                            return shareURL
+                          },
+                        )
+                        return (
+                          <Show when={url()}>
+                            {(url) => <TextField value={url()} readOnly copyable class="w-72" />}
+                          </Show>
+                        )
+                      })}
+                    </Popover>
+                  </Show>
+                </div>
+              </>
+            )
+          }}
+        </Show>
+      </div>
+    </header>
+  )
+}
diff --git a/packages/app/src/components/link.tsx b/packages/app/src/components/link.tsx
new file mode 100644
index 000000000..e13c31330
--- /dev/null
+++ b/packages/app/src/components/link.tsx
@@ -0,0 +1,17 @@
+import { ComponentProps, splitProps } from "solid-js"
+import { usePlatform } from "@/context/platform"
+
+export interface LinkProps extends ComponentProps<"button"> {
+  href: string
+}
+
+export function Link(props: LinkProps) {
+  const platform = usePlatform()
+  const [local, rest] = splitProps(props, ["href", "children"])
+
+  return (
+    <button class="text-text-strong underline" onClick={() => platform.openLink(local.href)} {...rest}>
+      {local.children}
+    </button>
+  )
+}
diff --git a/packages/app/src/components/prompt-input.tsx b/packages/app/src/components/prompt-input.tsx
new file mode 100644
index 000000000..94d4ae97e
--- /dev/null
+++ b/packages/app/src/components/prompt-input.tsx
@@ -0,0 +1,1153 @@
+import { useFilteredList } from "@opencode-ai/ui/hooks"
+import { createEffect, on, Component, Show, For, onMount, onCleanup, Switch, Match, createMemo } from "solid-js"
+import { createStore, produce } from "solid-js/store"
+import { createFocusSignal } from "@solid-primitives/active-element"
+import { useLocal } from "@/context/local"
+import { ContentPart, DEFAULT_PROMPT, isPromptEqual, Prompt, usePrompt, ImageAttachmentPart } from "@/context/prompt"
+import { useLayout } from "@/context/layout"
+import { useSDK } from "@/context/sdk"
+import { useNavigate, useParams } from "@solidjs/router"
+import { useSync } from "@/context/sync"
+import { FileIcon } from "@opencode-ai/ui/file-icon"
+import { Button } from "@opencode-ai/ui/button"
+import { Icon } from "@opencode-ai/ui/icon"
+import { Tooltip } from "@opencode-ai/ui/tooltip"
+import { IconButton } from "@opencode-ai/ui/icon-button"
+import { Select } from "@opencode-ai/ui/select"
+import { getDirectory, getFilename } from "@opencode-ai/util/path"
+import { useDialog } from "@opencode-ai/ui/context/dialog"
+import { DialogSelectModel } from "@/components/dialog-select-model"
+import { DialogSelectModelUnpaid } from "@/components/dialog-select-model-unpaid"
+import { useProviders } from "@/hooks/use-providers"
+import { useCommand } from "@/context/command"
+import { persisted } from "@/utils/persist"
+import { Identifier } from "@/utils/id"
+import { SessionContextUsage } from "@/components/session-context-usage"
+
+const ACCEPTED_IMAGE_TYPES = ["image/png", "image/jpeg", "image/gif", "image/webp"]
+const ACCEPTED_FILE_TYPES = [...ACCEPTED_IMAGE_TYPES, "application/pdf"]
+
+interface PromptInputProps {
+  class?: string
+  ref?: (el: HTMLDivElement) => void
+}
+
+const PLACEHOLDERS = [
+  "Fix a TODO in the codebase",
+  "What is the tech stack of this project?",
+  "Fix broken tests",
+  "Explain how authentication works",
+  "Find and fix security vulnerabilities",
+  "Add unit tests for the user service",
+  "Refactor this function to be more readable",
+  "What does this error mean?",
+  "Help me debug this issue",
+  "Generate API documentation",
+  "Optimize database queries",
+  "Add input validation",
+  "Create a new component for...",
+  "How do I deploy this project?",
+  "Review my code for best practices",
+  "Add error handling to this function",
+  "Explain this regex pattern",
+  "Convert this to TypeScript",
+  "Add logging throughout the codebase",
+  "What dependencies are outdated?",
+  "Help me write a migration script",
+  "Implement caching for this endpoint",
+  "Add pagination to this list",
+  "Create a CLI command for...",
+  "How do environment variables work here?",
+]
+
+interface SlashCommand {
+  id: string
+  trigger: string
+  title: string
+  description?: string
+  keybind?: string
+  type: "builtin" | "custom"
+}
+
+export const PromptInput: Component<PromptInputProps> = (props) => {
+  const navigate = useNavigate()
+  const sdk = useSDK()
+  const sync = useSync()
+  const local = useLocal()
+  const prompt = usePrompt()
+  const layout = useLayout()
+  const params = useParams()
+  const dialog = useDialog()
+  const providers = useProviders()
+  const command = useCommand()
+  let editorRef!: HTMLDivElement
+  let fileInputRef!: HTMLInputElement
+
+  const sessionKey = createMemo(() => `${params.dir}${params.id ? "/" + params.id : ""}`)
+  const tabs = createMemo(() => layout.tabs(sessionKey()))
+  const info = createMemo(() => (params.id ? sync.session.get(params.id) : undefined))
+  const status = createMemo(
+    () =>
+      sync.data.session_status[params.id ?? ""] ?? {
+        type: "idle",
+      },
+  )
+  const working = createMemo(() => status()?.type !== "idle")
+
+  const [store, setStore] = createStore<{
+    popover: "file" | "slash" | null
+    historyIndex: number
+    savedPrompt: Prompt | null
+    placeholder: number
+    dragging: boolean
+    imageAttachments: ImageAttachmentPart[]
+    mode: "normal" | "shell"
+    applyingHistory: boolean
+    userHasEdited: boolean
+  }>({
+    popover: null,
+    historyIndex: -1,
+    savedPrompt: null,
+    placeholder: Math.floor(Math.random() * PLACEHOLDERS.length),
+    dragging: false,
+    imageAttachments: [],
+    mode: "normal",
+    applyingHistory: false,
+    userHasEdited: false,
+  })
+
+  const MAX_HISTORY = 100
+  const [history, setHistory] = persisted(
+    "prompt-history.v1",
+    createStore<{
+      entries: Prompt[]
+    }>({
+      entries: [],
+    }),
+  )
+  const [shellHistory, setShellHistory] = persisted(
+    "prompt-history-shell.v1",
+    createStore<{
+      entries: Prompt[]
+    }>({
+      entries: [],
+    }),
+  )
+
+  const clonePromptParts = (prompt: Prompt): Prompt =>
+    prompt.map((part) => {
+      if (part.type === "text") return { ...part }
+      if (part.type === "image") return { ...part }
+      return {
+        ...part,
+        selection: part.selection ? { ...part.selection } : undefined,
+      }
+    })
+
+  const promptLength = (prompt: Prompt) =>
+    prompt.reduce((len, part) => len + ("content" in part ? part.content.length : 0), 0)
+
+  const applyHistoryPrompt = (p: Prompt, position: "start" | "end") => {
+    const length = position === "start" ? 0 : promptLength(p)
+    setStore("applyingHistory", true)
+    setStore("userHasEdited", false)
+    prompt.set(p, length)
+    requestAnimationFrame(() => {
+      editorRef.focus()
+      setCursorPosition(editorRef, length)
+      setStore("applyingHistory", false)
+    })
+  }
+
+  const getCaretState = () => {
+    const selection = window.getSelection()
+    const textLength = promptLength(prompt.current())
+    if (!selection || selection.rangeCount === 0) {
+      return { collapsed: false, cursorPosition: 0, textLength }
+    }
+    const anchorNode = selection.anchorNode
+    if (!anchorNode || !editorRef.contains(anchorNode)) {
+      return { collapsed: false, cursorPosition: 0, textLength }
+    }
+    return {
+      collapsed: selection.isCollapsed,
+      cursorPosition: getCursorPosition(editorRef),
+      textLength,
+    }
+  }
+
+  createEffect(() => {
+    params.id
+    editorRef.focus()
+    if (params.id) return
+    const interval = setInterval(() => {
+      setStore("placeholder", (prev) => (prev + 1) % PLACEHOLDERS.length)
+    }, 6500)
+    onCleanup(() => clearInterval(interval))
+  })
+
+  const isFocused = createFocusSignal(() => editorRef)
+
+  const addImageAttachment = async (file: File) => {
+    if (!ACCEPTED_FILE_TYPES.includes(file.type)) return
+
+    const reader = new FileReader()
+    reader.onload = () => {
+      const dataUrl = reader.result as string
+      const attachment: ImageAttachmentPart = {
+        type: "image",
+        id: crypto.randomUUID(),
+        filename: file.name,
+        mime: file.type,
+        dataUrl,
+      }
+      setStore(
+        produce((draft) => {
+          draft.imageAttachments.push(attachment)
+        }),
+      )
+    }
+    reader.readAsDataURL(file)
+  }
+
+  const removeImageAttachment = (id: string) => {
+    setStore(
+      produce((draft) => {
+        draft.imageAttachments = draft.imageAttachments.filter((a) => a.id !== id)
+      }),
+    )
+  }
+
+  const handlePaste = async (event: ClipboardEvent) => {
+    const clipboardData = event.clipboardData
+    if (!clipboardData) return
+
+    const items = Array.from(clipboardData.items)
+    const imageItems = items.filter((item) => ACCEPTED_FILE_TYPES.includes(item.type))
+
+    if (imageItems.length > 0) {
+      event.preventDefault()
+      event.stopPropagation()
+      for (const item of imageItems) {
+        const file = item.getAsFile()
+        if (file) await addImageAttachment(file)
+      }
+      return
+    }
+
+    event.preventDefault()
+    event.stopPropagation()
+    const plainText = clipboardData.getData("text/plain") ?? ""
+    addPart({ type: "text", content: plainText, start: 0, end: 0 })
+  }
+
+  const handleDragOver = (event: DragEvent) => {
+    event.preventDefault()
+    const hasFiles = event.dataTransfer?.types.includes("Files")
+    if (hasFiles) {
+      setStore("dragging", true)
+    }
+  }
+
+  const handleDragLeave = (event: DragEvent) => {
+    const related = event.relatedTarget as Node | null
+    const form = event.currentTarget as HTMLElement
+    if (!related || !form.contains(related)) {
+      setStore("dragging", false)
+    }
+  }
+
+  const handleDrop = async (event: DragEvent) => {
+    event.preventDefault()
+    setStore("dragging", false)
+
+    const files = event.dataTransfer?.files
+    if (!files) return
+
+    for (const file of Array.from(files)) {
+      if (ACCEPTED_FILE_TYPES.includes(file.type)) {
+        await addImageAttachment(file)
+      }
+    }
+  }
+
+  onMount(() => {
+    editorRef.addEventListener("paste", handlePaste)
+  })
+  onCleanup(() => {
+    editorRef.removeEventListener("paste", handlePaste)
+  })
+
+  createEffect(() => {
+    if (isFocused()) {
+      handleInput()
+    } else {
+      setStore("popover", null)
+    }
+  })
+
+  const handleFileSelect = (path: string | undefined) => {
+    if (!path) return
+    addPart({ type: "file", path, content: "@" + path, start: 0, end: 0 })
+  }
+
+  const { flat, active, onInput, onKeyDown } = useFilteredList<string>({
+    items: local.file.searchFilesAndDirectories,
+    key: (x) => x,
+    onSelect: handleFileSelect,
+  })
+
+  const slashCommands = createMemo<SlashCommand[]>(() => {
+    const builtin = command.options
+      .filter((opt) => !opt.disabled && !opt.id.startsWith("suggested.") && opt.slash)
+      .map((opt) => ({
+        id: opt.id,
+        trigger: opt.slash!,
+        title: opt.title,
+        description: opt.description,
+        keybind: opt.keybind,
+        type: "builtin" as const,
+      }))
+
+    const custom = sync.data.command.map((cmd) => ({
+      id: `custom.${cmd.name}`,
+      trigger: cmd.name,
+      title: cmd.name,
+      description: cmd.description,
+      type: "custom" as const,
+    }))
+
+    return [...custom, ...builtin]
+  })
+
+  const handleSlashSelect = (cmd: SlashCommand | undefined) => {
+    if (!cmd) return
+    setStore("popover", null)
+
+    if (cmd.type === "custom") {
+      const text = `/${cmd.trigger} `
+      editorRef.innerHTML = ""
+      editorRef.textContent = text
+      prompt.set([{ type: "text", content: text, start: 0, end: text.length }], text.length)
+      requestAnimationFrame(() => {
+        editorRef.focus()
+        const range = document.createRange()
+        const sel = window.getSelection()
+        range.selectNodeContents(editorRef)
+        range.collapse(false)
+        sel?.removeAllRanges()
+        sel?.addRange(range)
+      })
+      return
+    }
+
+    editorRef.innerHTML = ""
+    prompt.set([{ type: "text", content: "", start: 0, end: 0 }], 0)
+    command.trigger(cmd.id, "slash")
+  }
+
+  const {
+    flat: slashFlat,
+    active: slashActive,
+    onInput: slashOnInput,
+    onKeyDown: slashOnKeyDown,
+  } = useFilteredList<SlashCommand>({
+    items: slashCommands,
+    key: (x) => x?.id,
+    filterKeys: ["trigger", "title", "description"],
+    onSelect: handleSlashSelect,
+  })
+
+  createEffect(
+    on(
+      () => prompt.current(),
+      (currentParts) => {
+        const domParts = parseFromDOM()
+        if (isPromptEqual(currentParts, domParts)) return
+
+        const selection = window.getSelection()
+        let cursorPosition: number | null = null
+        if (selection && selection.rangeCount > 0 && editorRef.contains(selection.anchorNode)) {
+          cursorPosition = getCursorPosition(editorRef)
+        }
+
+        editorRef.innerHTML = ""
+        currentParts.forEach((part) => {
+          if (part.type === "text") {
+            editorRef.appendChild(document.createTextNode(part.content))
+          } else if (part.type === "file") {
+            const pill = document.createElement("span")
+            pill.textContent = part.content
+            pill.setAttribute("data-type", "file")
+            pill.setAttribute("data-path", part.path)
+            pill.setAttribute("contenteditable", "false")
+            pill.style.userSelect = "text"
+            pill.style.cursor = "default"
+            editorRef.appendChild(pill)
+          }
+        })
+
+        if (cursorPosition !== null) {
+          setCursorPosition(editorRef, cursorPosition)
+        }
+      },
+    ),
+  )
+
+  const parseFromDOM = (): Prompt => {
+    const newParts: Prompt = []
+    let position = 0
+
+    const pushText = (content: string) => {
+      if (!content) return
+      newParts.push({ type: "text", content, start: position, end: position + content.length })
+      position += content.length
+    }
+
+    const rangeText = (range: Range) => {
+      const fragment = range.cloneContents()
+      const container = document.createElement("div")
+      container.append(fragment)
+      return container.innerText
+    }
+
+    const files = Array.from(editorRef.querySelectorAll<HTMLElement>("[data-type=file]"))
+    let last: HTMLElement | undefined
+
+    files.forEach((file) => {
+      const before = document.createRange()
+      before.selectNodeContents(editorRef)
+      if (last) before.setStartAfter(last)
+      before.setEndBefore(file)
+      pushText(rangeText(before))
+
+      const content = file.textContent ?? ""
+      newParts.push({
+        type: "file",
+        path: file.dataset.path!,
+        content,
+        start: position,
+        end: position + content.length,
+      })
+      position += content.length
+      last = file
+    })
+
+    const after = document.createRange()
+    after.selectNodeContents(editorRef)
+    if (last) after.setStartAfter(last)
+    pushText(rangeText(after))
+
+    if (newParts.length === 0) newParts.push(...DEFAULT_PROMPT)
+    return newParts
+  }
+
+  const handleInput = () => {
+    const rawParts = parseFromDOM()
+    const cursorPosition = getCursorPosition(editorRef)
+    const rawText = rawParts.map((p) => ("content" in p ? p.content : "")).join("")
+    const trimmed = rawText.replace(/\u200B/g, "").trim()
+    const hasNonText = rawParts.some((part) => part.type !== "text")
+    const shouldReset = trimmed.length === 0 && !hasNonText
+
+    if (shouldReset) {
+      setStore("popover", null)
+      setStore("userHasEdited", false)
+      if (store.historyIndex >= 0 && !store.applyingHistory) {
+        setStore("historyIndex", -1)
+        setStore("savedPrompt", null)
+      }
+      if (prompt.dirty()) {
+        prompt.set(DEFAULT_PROMPT, 0)
+      }
+      return
+    }
+
+    const shellMode = store.mode === "shell"
+
+    if (!shellMode) {
+      const atMatch = rawText.substring(0, cursorPosition).match(/@(\S*)$/)
+      const slashMatch = rawText.match(/^\/(\S*)$/)
+
+      if (atMatch) {
+        onInput(atMatch[1])
+        setStore("popover", "file")
+      } else if (slashMatch) {
+        slashOnInput(slashMatch[1])
+        setStore("popover", "slash")
+      } else {
+        setStore("popover", null)
+      }
+    } else {
+      setStore("popover", null)
+    }
+
+    if (store.historyIndex >= 0 && !store.applyingHistory) {
+      setStore("historyIndex", -1)
+      setStore("savedPrompt", null)
+    }
+
+    if (!store.applyingHistory) {
+      setStore("userHasEdited", true)
+    }
+
+    prompt.set(rawParts, cursorPosition)
+  }
+
+  const addPart = (part: ContentPart) => {
+    const selection = window.getSelection()
+    if (!selection || selection.rangeCount === 0) return
+
+    const cursorPosition = getCursorPosition(editorRef)
+    const currentPrompt = prompt.current()
+    const rawText = currentPrompt.map((p) => ("content" in p ? p.content : "")).join("")
+    const textBeforeCursor = rawText.substring(0, cursorPosition)
+    const atMatch = textBeforeCursor.match(/@(\S*)$/)
+
+    if (part.type === "file") {
+      const pill = document.createElement("span")
+      pill.textContent = part.content
+      pill.setAttribute("data-type", "file")
+      pill.setAttribute("data-path", part.path)
+      pill.setAttribute("contenteditable", "false")
+      pill.style.userSelect = "text"
+      pill.style.cursor = "default"
+
+      const gap = document.createTextNode(" ")
+      const range = selection.getRangeAt(0)
+
+      if (atMatch) {
+        let runningLength = 0
+
+        const walker = document.createTreeWalker(editorRef, NodeFilter.SHOW_TEXT, null)
+        let currentNode = walker.nextNode()
+        while (currentNode) {
+          const textContent = currentNode.textContent || ""
+          if (runningLength + textContent.length >= atMatch.index!) {
+            const localStart = atMatch.index! - runningLength
+            const localEnd = cursorPosition - runningLength
+            if (currentNode === range.startContainer || runningLength + textContent.length >= cursorPosition) {
+              range.setStart(currentNode, localStart)
+              range.setEnd(currentNode, Math.min(localEnd, textContent.length))
+              break
+            }
+          }
+          runningLength += textContent.length
+          currentNode = walker.nextNode()
+        }
+      }
+
+      range.deleteContents()
+      range.insertNode(gap)
+      range.insertNode(pill)
+      range.setStartAfter(gap)
+      range.collapse(true)
+      selection.removeAllRanges()
+      selection.addRange(range)
+    } else if (part.type === "text") {
+      const textNode = document.createTextNode(part.content)
+      const range = selection.getRangeAt(0)
+      range.deleteContents()
+      range.insertNode(textNode)
+      range.setStartAfter(textNode)
+      range.collapse(true)
+      selection.removeAllRanges()
+      selection.addRange(range)
+    }
+
+    handleInput()
+    setStore("popover", null)
+  }
+
+  const abort = () =>
+    sdk.client.session.abort({
+      sessionID: params.id!,
+    })
+
+  const addToHistory = (prompt: Prompt, mode: "normal" | "shell") => {
+    const text = prompt
+      .map((p) => ("content" in p ? p.content : ""))
+      .join("")
+      .trim()
+    if (!text) return
+
+    const entry = clonePromptParts(prompt)
+    const currentHistory = mode === "shell" ? shellHistory : history
+    const setCurrentHistory = mode === "shell" ? setShellHistory : setHistory
+    const lastEntry = currentHistory.entries[0]
+    if (lastEntry) {
+      const lastText = lastEntry.map((p) => ("content" in p ? p.content : "")).join("")
+      if (lastText === text) return
+    }
+
+    setCurrentHistory("entries", (entries) => [entry, ...entries].slice(0, MAX_HISTORY))
+  }
+
+  const navigateHistory = (direction: "up" | "down") => {
+    if (store.userHasEdited) return false
+
+    const entries = store.mode === "shell" ? shellHistory.entries : history.entries
+    const current = store.historyIndex
+
+    if (direction === "up") {
+      if (entries.length === 0) return false
+      if (current === -1) {
+        setStore("savedPrompt", clonePromptParts(prompt.current()))
+        setStore("historyIndex", 0)
+        applyHistoryPrompt(entries[0], "start")
+        return true
+      }
+      if (current < entries.length - 1) {
+        const next = current + 1
+        setStore("historyIndex", next)
+        applyHistoryPrompt(entries[next], "start")
+        return true
+      }
+      return false
+    }
+
+    if (current > 0) {
+      const next = current - 1
+      setStore("historyIndex", next)
+      applyHistoryPrompt(entries[next], "end")
+      return true
+    }
+    if (current === 0) {
+      setStore("historyIndex", -1)
+      const saved = store.savedPrompt
+      if (saved) {
+        applyHistoryPrompt(saved, "end")
+        setStore("savedPrompt", null)
+        return true
+      }
+      applyHistoryPrompt(DEFAULT_PROMPT, "end")
+      return true
+    }
+
+    return false
+  }
+
+  const handleKeyDown = (event: KeyboardEvent) => {
+    if (event.key === "!" && store.mode === "normal") {
+      const cursorPosition = getCursorPosition(editorRef)
+      if (cursorPosition === 0) {
+        setStore("mode", "shell")
+        setStore("popover", null)
+        event.preventDefault()
+        return
+      }
+    }
+    if (store.mode === "shell") {
+      const { collapsed, cursorPosition, textLength } = getCaretState()
+      if (event.key === "Escape") {
+        setStore("mode", "normal")
+        event.preventDefault()
+        return
+      }
+      if (event.key === "Backspace" && collapsed && cursorPosition === 0 && textLength === 0) {
+        setStore("mode", "normal")
+        event.preventDefault()
+        return
+      }
+    }
+
+    if (store.popover && (event.key === "ArrowUp" || event.key === "ArrowDown" || event.key === "Enter")) {
+      if (store.popover === "file") {
+        onKeyDown(event)
+      } else {
+        slashOnKeyDown(event)
+      }
+      event.preventDefault()
+      return
+    }
+
+    if (event.key === "ArrowUp" || event.key === "ArrowDown") {
+      if (event.altKey || event.ctrlKey || event.metaKey) return
+      const { collapsed } = getCaretState()
+      if (!collapsed) return
+
+      const cursorPosition = getCursorPosition(editorRef)
+      const textLength = promptLength(prompt.current())
+      const textContent = editorRef.textContent ?? ""
+      const isEmpty = textContent.trim() === "" || textLength <= 1
+      const hasNewlines = textContent.includes("\n")
+      const inHistory = store.historyIndex >= 0
+      const atStart = cursorPosition <= (isEmpty ? 1 : 0)
+      const atEnd = cursorPosition >= (isEmpty ? textLength - 1 : textLength)
+      const allowUp = isEmpty || atStart || (!hasNewlines && !inHistory) || (inHistory && atEnd)
+      const allowDown = isEmpty || atEnd || (!hasNewlines && !inHistory) || (inHistory && atStart)
+
+      if (event.key === "ArrowUp") {
+        if (!allowUp) return
+        if (navigateHistory("up")) {
+          event.preventDefault()
+        }
+        return
+      }
+
+      if (!allowDown) return
+      if (navigateHistory("down")) {
+        event.preventDefault()
+      }
+      return
+    }
+
+    if (event.key === "Enter" && !event.shiftKey) {
+      handleSubmit(event)
+    }
+    if (event.key === "Escape") {
+      if (store.popover) {
+        setStore("popover", null)
+      } else if (working()) {
+        abort()
+      }
+    }
+  }
+
+  const handleSubmit = async (event: Event) => {
+    event.preventDefault()
+    const currentPrompt = prompt.current()
+    const text = currentPrompt.map((part) => ("content" in part ? part.content : "")).join("")
+    const hasImageAttachments = store.imageAttachments.length > 0
+    if (text.trim().length === 0 && !hasImageAttachments) {
+      if (working()) abort()
+      return
+    }
+
+    addToHistory(currentPrompt, store.mode)
+    setStore("historyIndex", -1)
+    setStore("savedPrompt", null)
+    setStore("userHasEdited", false)
+
+    let existing = info()
+    if (!existing) {
+      const created = await sdk.client.session.create()
+      existing = created.data ?? undefined
+      if (existing) navigate(existing.id)
+    }
+    if (!existing) return
+
+    const toAbsolutePath = (path: string) => (path.startsWith("/") ? path : sync.absolute(path))
+    const attachments = currentPrompt.filter(
+      (part) => part.type === "file",
+    ) as import("@/context/prompt").FileAttachmentPart[]
+
+    const fileAttachmentParts = attachments.map((attachment) => {
+      const absolute = toAbsolutePath(attachment.path)
+      const query = attachment.selection
+        ? `?start=${attachment.selection.startLine}&end=${attachment.selection.endLine}`
+        : ""
+      return {
+        id: Identifier.ascending("part"),
+        type: "file" as const,
+        mime: "text/plain",
+        url: `file://${absolute}${query}`,
+        filename: getFilename(attachment.path),
+        source: {
+          type: "file" as const,
+          text: {
+            value: attachment.content,
+            start: attachment.start,
+            end: attachment.end,
+          },
+          path: absolute,
+        },
+      }
+    })
+
+    const imageAttachmentParts = store.imageAttachments.map((attachment) => ({
+      id: Identifier.ascending("part"),
+      type: "file" as const,
+      mime: attachment.mime,
+      url: attachment.dataUrl,
+      filename: attachment.filename,
+    }))
+
+    const isShellMode = store.mode === "shell"
+    tabs().setActive(undefined)
+    editorRef.innerHTML = ""
+    prompt.set([{ type: "text", content: "", start: 0, end: 0 }], 0)
+    setStore("imageAttachments", [])
+    setStore("mode", "normal")
+
+    const model = {
+      modelID: local.model.current()!.id,
+      providerID: local.model.current()!.provider.id,
+    }
+    const agent = local.agent.current()!.name
+
+    if (isShellMode) {
+      sdk.client.session.shell({
+        sessionID: existing.id,
+        agent,
+        model,
+        command: text,
+      })
+      return
+    }
+
+    if (text.startsWith("/")) {
+      const [cmdName, ...args] = text.split(" ")
+      const commandName = cmdName.slice(1)
+      const customCommand = sync.data.command.find((c) => c.name === commandName)
+      if (customCommand) {
+        sdk.client.session.command({
+          sessionID: existing.id,
+          command: commandName,
+          arguments: args.join(" "),
+          agent,
+          model: `${model.providerID}/${model.modelID}`,
+        })
+        return
+      }
+    }
+
+    const messageID = Identifier.ascending("message")
+    const textPart = {
+      id: Identifier.ascending("part"),
+      type: "text" as const,
+      text,
+    }
+    const requestParts = [textPart, ...fileAttachmentParts, ...imageAttachmentParts]
+    const optimisticParts = requestParts.map((part) => ({
+      ...part,
+      sessionID: existing.id,
+      messageID,
+    }))
+
+    sync.session.addOptimisticMessage({
+      sessionID: existing.id,
+      messageID,
+      parts: optimisticParts,
+      agent,
+      model,
+    })
+
+    sdk.client.session.prompt({
+      sessionID: existing.id,
+      agent,
+      model,
+      messageID,
+      parts: requestParts,
+    })
+  }
+
+  return (
+    <div class="relative size-full _max-h-[320px] flex flex-col gap-3">
+      <Show when={store.popover}>
+        <div
+          class="absolute inset-x-0 -top-3 -translate-y-full origin-bottom-left max-h-80 min-h-10
+                 overflow-auto no-scrollbar flex flex-col p-2 rounded-md
+                 border border-border-base bg-surface-raised-stronger-non-alpha shadow-md"
+        >
+          <Switch>
+            <Match when={store.popover === "file"}>
+              <Show when={flat().length > 0} fallback={<div class="text-text-weak px-2 py-1">No matching files</div>}>
+                <For each={flat()}>
+                  {(i) => (
+                    <button
+                      classList={{
+                        "w-full flex items-center gap-x-2 rounded-md px-2 py-0.5": true,
+                        "bg-surface-raised-base-hover": active() === i,
+                      }}
+                      onClick={() => handleFileSelect(i)}
+                    >
+                      <FileIcon node={{ path: i, type: "file" }} class="shrink-0 size-4" />
+                      <div class="flex items-center text-14-regular min-w-0">
+                        <span class="text-text-weak whitespace-nowrap truncate min-w-0">{getDirectory(i)}</span>
+                        <Show when={!i.endsWith("/")}>
+                          <span class="text-text-strong whitespace-nowrap">{getFilename(i)}</span>
+                        </Show>
+                      </div>
+                    </button>
+                  )}
+                </For>
+              </Show>
+            </Match>
+            <Match when={store.popover === "slash"}>
+              <Show
+                when={slashFlat().length > 0}
+                fallback={<div class="text-text-weak px-2 py-1">No matching commands</div>}
+              >
+                <For each={slashFlat()}>
+                  {(cmd) => (
+                    <button
+                      classList={{
+                        "w-full flex items-center justify-between gap-4 rounded-md px-2 py-1": true,
+                        "bg-surface-raised-base-hover": slashActive() === cmd.id,
+                      }}
+                      onClick={() => handleSlashSelect(cmd)}
+                    >
+                      <div class="flex items-center gap-2 min-w-0">
+                        <span class="text-14-regular text-text-strong whitespace-nowrap">/{cmd.trigger}</span>
+                        <Show when={cmd.description}>
+                          <span class="text-14-regular text-text-weak truncate">{cmd.description}</span>
+                        </Show>
+                      </div>
+                      <div class="flex items-center gap-2 shrink-0">
+                        <Show when={cmd.type === "custom"}>
+                          <span class="text-11-regular text-text-subtle px-1.5 py-0.5 bg-surface-base rounded">
+                            custom
+                          </span>
+                        </Show>
+                        <Show when={command.keybind(cmd.id)}>
+                          <span class="text-12-regular text-text-subtle">{command.keybind(cmd.id)}</span>
+                        </Show>
+                      </div>
+                    </button>
+                  )}
+                </For>
+              </Show>
+            </Match>
+          </Switch>
+        </div>
+      </Show>
+      <form
+        onSubmit={handleSubmit}
+        onDragOver={handleDragOver}
+        onDragLeave={handleDragLeave}
+        onDrop={handleDrop}
+        classList={{
+          "bg-surface-raised-stronger-non-alpha shadow-xs-border relative": true,
+          "rounded-md overflow-clip focus-within:shadow-xs-border": true,
+          "border-icon-info-active border-dashed": store.dragging,
+          [props.class ?? ""]: !!props.class,
+        }}
+      >
+        <Show when={store.dragging}>
+          <div class="absolute inset-0 z-10 flex items-center justify-center bg-surface-raised-stronger-non-alpha/90 pointer-events-none">
+            <div class="flex flex-col items-center gap-2 text-text-weak">
+              <Icon name="photo" class="size-8" />
+              <span class="text-14-regular">Drop images or PDFs here</span>
+            </div>
+          </div>
+        </Show>
+        <Show when={store.imageAttachments.length > 0}>
+          <div class="flex flex-wrap gap-2 px-3 pt-3">
+            <For each={store.imageAttachments}>
+              {(attachment) => (
+                <div class="relative group">
+                  <Show
+                    when={attachment.mime.startsWith("image/")}
+                    fallback={
+                      <div class="size-16 rounded-md bg-surface-base flex items-center justify-center border border-border-base">
+                        <Icon name="folder" class="size-6 text-text-weak" />
+                      </div>
+                    }
+                  >
+                    <img
+                      src={attachment.dataUrl}
+                      alt={attachment.filename}
+                      class="size-16 rounded-md object-cover border border-border-base"
+                    />
+                  </Show>
+                  <button
+                    type="button"
+                    onClick={() => removeImageAttachment(attachment.id)}
+                    class="absolute -top-1.5 -right-1.5 size-5 rounded-full bg-surface-raised-stronger-non-alpha border border-border-base flex items-center justify-center opacity-0 group-hover:opacity-100 transition-opacity hover:bg-surface-raised-base-hover"
+                  >
+                    <Icon name="close" class="size-3 text-text-weak" />
+                  </button>
+                  <div class="absolute bottom-0 left-0 right-0 px-1 py-0.5 bg-black/50 rounded-b-md">
+                    <span class="text-10-regular text-white truncate block">{attachment.filename}</span>
+                  </div>
+                </div>
+              )}
+            </For>
+          </div>
+        </Show>
+        <div class="relative max-h-[240px] overflow-y-auto">
+          <div
+            data-component="prompt-input"
+            ref={(el) => {
+              editorRef = el
+              props.ref?.(el)
+            }}
+            contenteditable="true"
+            onInput={handleInput}
+            onKeyDown={handleKeyDown}
+            classList={{
+              "w-full px-5 py-3 text-14-regular text-text-strong focus:outline-none whitespace-pre-wrap": true,
+              "[&>[data-type=file]]:text-icon-info-active": true,
+              "font-mono!": store.mode === "shell",
+            }}
+          />
+          <Show when={!prompt.dirty() && store.imageAttachments.length === 0}>
+            <div class="absolute top-0 inset-x-0 px-5 py-3 text-14-regular text-text-weak pointer-events-none whitespace-nowrap truncate">
+              {store.mode === "shell"
+                ? "Enter shell command..."
+                : `Ask anything... "${PLACEHOLDERS[store.placeholder]}"`}
+            </div>
+          </Show>
+        </div>
+        <div class="relative p-3 flex items-center justify-between">
+          <div class="flex items-center justify-start gap-1">
+            <Switch>
+              <Match when={store.mode === "shell"}>
+                <div class="flex items-center gap-2 px-2 h-6">
+                  <Icon name="console" size="small" class="text-icon-primary" />
+                  <span class="text-12-regular text-text-primary">Shell</span>
+                  <span class="text-12-regular text-text-weak">esc to exit</span>
+                </div>
+              </Match>
+              <Match when={store.mode === "normal"}>
+                <Tooltip
+                  placement="top"
+                  value={
+                    <div class="flex items-center gap-2">
+                      <span>Cycle agent</span>
+                      <span class="text-icon-base text-12-medium">{command.keybind("agent.cycle")}</span>
+                    </div>
+                  }
+                >
+                  <Select
+                    options={local.agent.list().map((agent) => agent.name)}
+                    current={local.agent.current().name}
+                    onSelect={local.agent.set}
+                    class="capitalize"
+                    variant="ghost"
+                  />
+                </Tooltip>
+                <Tooltip
+                  placement="top"
+                  value={
+                    <div class="flex items-center gap-2">
+                      <span>Choose model</span>
+                      <span class="text-icon-base text-12-medium">{command.keybind("model.choose")}</span>
+                    </div>
+                  }
+                >
+                  <Button
+                    as="div"
+                    variant="ghost"
+                    onClick={() =>
+                      dialog.show(() =>
+                        providers.paid().length > 0 ? <DialogSelectModel /> : <DialogSelectModelUnpaid />,
+                      )
+                    }
+                  >
+                    {local.model.current()?.name ?? "Select model"}
+                    <span class="hidden md:block ml-0.5 text-text-weak text-12-regular">
+                      {local.model.current()?.provider.name}
+                    </span>
+                    <Icon name="chevron-down" size="small" />
+                  </Button>
+                </Tooltip>
+              </Match>
+            </Switch>
+            <SessionContextUsage />
+          </div>
+          <div class="flex items-center gap-1 absolute right-2 bottom-2">
+            <input
+              ref={fileInputRef}
+              type="file"
+              accept={ACCEPTED_IMAGE_TYPES.join(",")}
+              class="hidden"
+              onChange={(e) => {
+                const file = e.currentTarget.files?.[0]
+                if (file) addImageAttachment(file)
+                e.currentTarget.value = ""
+              }}
+            />
+            <Show when={store.mode === "normal"}>
+              <Tooltip placement="top" value="Attach image">
+                <IconButton
+                  type="button"
+                  icon="photo"
+                  variant="ghost"
+                  class="h-10 w-8"
+                  onClick={() => fileInputRef.click()}
+                />
+              </Tooltip>
+            </Show>
+            <Tooltip
+              placement="top"
+              inactive={!prompt.dirty() && !working()}
+              value={
+                <Switch>
+                  <Match when={working()}>
+                    <div class="flex items-center gap-2">
+                      <span>Stop</span>
+                      <span class="text-icon-base text-12-medium text-[10px]!">ESC</span>
+                    </div>
+                  </Match>
+                  <Match when={true}>
+                    <div class="flex items-center gap-2">
+                      <span>Send</span>
+                      <Icon name="enter" size="small" class="text-icon-base" />
+                    </div>
+                  </Match>
+                </Switch>
+              }
+            >
+              <IconButton
+                type="submit"
+                disabled={!prompt.dirty() && store.imageAttachments.length === 0 && !working()}
+                icon={working() ? "stop" : "arrow-up"}
+                variant="primary"
+                class="h-10 w-8"
+              />
+            </Tooltip>
+          </div>
+        </div>
+      </form>
+    </div>
+  )
+}
+
+function getCursorPosition(parent: HTMLElement): number {
+  const selection = window.getSelection()
+  if (!selection || selection.rangeCount === 0) return 0
+  const range = selection.getRangeAt(0)
+  const preCaretRange = range.cloneRange()
+  preCaretRange.selectNodeContents(parent)
+  preCaretRange.setEnd(range.startContainer, range.startOffset)
+  return preCaretRange.toString().length
+}
+
+function setCursorPosition(parent: HTMLElement, position: number) {
+  let remaining = position
+  let node = parent.firstChild
+  while (node) {
+    const length = node.textContent ? node.textContent.length : 0
+    const isText = node.nodeType === Node.TEXT_NODE
+    const isFile = node.nodeType === Node.ELEMENT_NODE && (node as HTMLElement).dataset.type === "file"
+
+    if (isText && remaining <= length) {
+      const range = document.createRange()
+      const selection = window.getSelection()
+      range.setStart(node, remaining)
+      range.collapse(true)
+      selection?.removeAllRanges()
+      selection?.addRange(range)
+      return
+    }
+
+    if (isFile && remaining <= length) {
+      const range = document.createRange()
+      const selection = window.getSelection()
+      range.setStartAfter(node)
+      range.collapse(true)
+      selection?.removeAllRanges()
+      selection?.addRange(range)
+      return
+    }
+
+    remaining -= length
+    node = node.nextSibling
+  }
+
+  const fallbackRange = document.createRange()
+  const fallbackSelection = window.getSelection()
+  const last = parent.lastChild
+  if (last && last.nodeType === Node.TEXT_NODE) {
+    const len = last.textContent ? last.textContent.length : 0
+    fallbackRange.setStart(last, len)
+  }
+  if (!last || last.nodeType !== Node.TEXT_NODE) {
+    fallbackRange.selectNodeContents(parent)
+  }
+  fallbackRange.collapse(false)
+  fallbackSelection?.removeAllRanges()
+  fallbackSelection?.addRange(fallbackRange)
+}
diff --git a/packages/app/src/components/session-context-usage.tsx b/packages/app/src/components/session-context-usage.tsx
new file mode 100644
index 000000000..5474005c7
--- /dev/null
+++ b/packages/app/src/components/session-context-usage.tsx
@@ -0,0 +1,64 @@
+import { createMemo, Show } from "solid-js"
+import { Tooltip } from "@opencode-ai/ui/tooltip"
+import { ProgressCircle } from "@opencode-ai/ui/progress-circle"
+import { useSync } from "@/context/sync"
+import { useParams } from "@solidjs/router"
+import { AssistantMessage } from "@opencode-ai/sdk/v2"
+
+export function SessionContextUsage() {
+  const sync = useSync()
+  const params = useParams()
+  const messages = createMemo(() => (params.id ? (sync.data.message[params.id] ?? []) : []))
+
+  const cost = createMemo(() => {
+    const total = messages().reduce((sum, x) => sum + (x.role === "assistant" ? x.cost : 0), 0)
+    return new Intl.NumberFormat("en-US", {
+      style: "currency",
+      currency: "USD",
+    }).format(total)
+  })
+
+  const context = createMemo(() => {
+    const last = messages().findLast((x) => x.role === "assistant" && x.tokens.output > 0) as AssistantMessage
+    if (!last) return
+    const total =
+      last.tokens.input + last.tokens.output + last.tokens.reasoning + last.tokens.cache.read + last.tokens.cache.write
+    const model = sync.data.provider.all.find((x) => x.id === last.providerID)?.models[last.modelID]
+    return {
+      tokens: total.toLocaleString(),
+      percentage: model?.limit.context ? Math.round((total / model.limit.context) * 100) : null,
+    }
+  })
+
+  return (
+    <Show when={context?.()}>
+      {(ctx) => (
+        <Tooltip
+          openDelay={300}
+          value={
+            <div class="flex flex-col gap-1 p-2">
+              <div class="flex justify-between gap-4">
+                <span class="text-text-weaker">Tokens</span>
+                <span class="text-text-strong">{ctx().tokens}</span>
+              </div>
+              <div class="flex justify-between gap-4">
+                <span class="text-text-weaker">Usage</span>
+                <span class="text-text-strong">{ctx().percentage ?? 0}%</span>
+              </div>
+              <div class="flex justify-between gap-4">
+                <span class="text-text-weaker">Cost</span>
+                <span class="text-text-strong">{cost()}</span>
+              </div>
+            </div>
+          }
+          placement="top"
+        >
+          <div class="flex items-center gap-1">
+            <span class="text-12-medium text-text-weak">{`${ctx().percentage ?? 0}%`}</span>
+            <ProgressCircle size={16} strokeWidth={2} percentage={ctx().percentage ?? 0} />
+          </div>
+        </Tooltip>
+      )}
+    </Show>
+  )
+}
diff --git a/packages/app/src/components/terminal.tsx b/packages/app/src/components/terminal.tsx
new file mode 100644
index 000000000..c05ddfbf6
--- /dev/null
+++ b/packages/app/src/components/terminal.tsx
@@ -0,0 +1,160 @@
+import { Ghostty, Terminal as Term, FitAddon } from "ghostty-web"
+import { ComponentProps, onCleanup, onMount, splitProps } from "solid-js"
+import { useSDK } from "@/context/sdk"
+import { SerializeAddon } from "@/addons/serialize"
+import { LocalPTY } from "@/context/terminal"
+import { usePrefersDark } from "@solid-primitives/media"
+
+export interface TerminalProps extends ComponentProps<"div"> {
+  pty: LocalPTY
+  onSubmit?: () => void
+  onCleanup?: (pty: LocalPTY) => void
+  onConnectError?: (error: unknown) => void
+}
+
+export const Terminal = (props: TerminalProps) => {
+  const sdk = useSDK()
+  let container!: HTMLDivElement
+  const [local, others] = splitProps(props, ["pty", "class", "classList", "onConnectError"])
+  let ws: WebSocket
+  let term: Term
+  let ghostty: Ghostty
+  let serializeAddon: SerializeAddon
+  let fitAddon: FitAddon
+  let handleResize: () => void
+  const prefersDark = usePrefersDark()
+
+  onMount(async () => {
+    ghostty = await Ghostty.load()
+
+    ws = new WebSocket(sdk.url + `/pty/${local.pty.id}/connect?directory=${encodeURIComponent(sdk.directory)}`)
+    term = new Term({
+      cursorBlink: true,
+      fontSize: 14,
+      fontFamily: "IBM Plex Mono, monospace",
+      allowTransparency: true,
+      theme: prefersDark()
+        ? {
+            background: "#191515",
+            foreground: "#d4d4d4",
+            cursor: "#d4d4d4",
+          }
+        : {
+            background: "#fcfcfc",
+            foreground: "#211e1e",
+            cursor: "#211e1e",
+          },
+      scrollback: 10_000,
+      ghostty,
+    })
+    term.attachCustomKeyEventHandler((event) => {
+      // allow for ctrl-` to toggle terminal in parent
+      if (event.ctrlKey && event.key.toLowerCase() === "`") {
+        event.preventDefault()
+        return true
+      }
+      return false
+    })
+
+    fitAddon = new FitAddon()
+    serializeAddon = new SerializeAddon()
+    term.loadAddon(serializeAddon)
+    term.loadAddon(fitAddon)
+
+    term.open(container)
+
+    if (local.pty.buffer) {
+      if (local.pty.rows && local.pty.cols) {
+        term.resize(local.pty.cols, local.pty.rows)
+      }
+      term.reset()
+      term.write(local.pty.buffer)
+      if (local.pty.scrollY) {
+        term.scrollToLine(local.pty.scrollY)
+      }
+      fitAddon.fit()
+    }
+
+    container.focus()
+
+    fitAddon.observeResize()
+    handleResize = () => fitAddon.fit()
+    window.addEventListener("resize", handleResize)
+    term.onResize(async (size) => {
+      if (ws && ws.readyState === WebSocket.OPEN) {
+        await sdk.client.pty.update({
+          ptyID: local.pty.id,
+          size: {
+            cols: size.cols,
+            rows: size.rows,
+          },
+        })
+      }
+    })
+    term.onData((data) => {
+      if (ws && ws.readyState === WebSocket.OPEN) {
+        ws.send(data)
+      }
+    })
+    term.onKey((key) => {
+      if (key.key == "Enter") {
+        props.onSubmit?.()
+      }
+    })
+    // term.onScroll((ydisp) => {
+    // console.log("Scroll position:", ydisp)
+    // })
+    ws.addEventListener("open", () => {
+      console.log("WebSocket connected")
+      sdk.client.pty.update({
+        ptyID: local.pty.id,
+        size: {
+          cols: term.cols,
+          rows: term.rows,
+        },
+      })
+    })
+    ws.addEventListener("message", (event) => {
+      term.write(event.data)
+    })
+    ws.addEventListener("error", (error) => {
+      console.error("WebSocket error:", error)
+      props.onConnectError?.(error)
+    })
+    ws.addEventListener("close", () => {
+      console.log("WebSocket disconnected")
+    })
+  })
+
+  onCleanup(() => {
+    if (handleResize) {
+      window.removeEventListener("resize", handleResize)
+    }
+    if (serializeAddon && props.onCleanup) {
+      const buffer = serializeAddon.serialize()
+      props.onCleanup({
+        ...local.pty,
+        buffer,
+        rows: term.rows,
+        cols: term.cols,
+        scrollY: term.getViewportY(),
+      })
+    }
+    ws?.close()
+    term?.dispose()
+  })
+
+  return (
+    <div
+      ref={container}
+      data-component="terminal"
+      data-prevent-autofocus
+      classList={{
+        ...(local.classList ?? {}),
+        "size-full px-6 py-3 font-mono": true,
+        [local.class ?? ""]: !!local.class,
+      }}
+      {...others}
+    />
+  )
+}
diff --git a/packages/app/src/context/command.tsx b/packages/app/src/context/command.tsx
new file mode 100644
index 000000000..f91a1cf05
--- /dev/null
+++ b/packages/app/src/context/command.tsx
@@ -0,0 +1,243 @@
+import { createMemo, createSignal, onCleanup, onMount, Show, type Accessor } from "solid-js"
+import { createSimpleContext } from "@opencode-ai/ui/context"
+import { useDialog } from "@opencode-ai/ui/context/dialog"
+import { Dialog } from "@opencode-ai/ui/dialog"
+import { List } from "@opencode-ai/ui/list"
+
+const IS_MAC = typeof navigator === "object" && /(Mac|iPod|iPhone|iPad)/.test(navigator.platform)
+
+export type KeybindConfig = string
+
+export interface Keybind {
+  key: string
+  ctrl: boolean
+  meta: boolean
+  shift: boolean
+  alt: boolean
+}
+
+export interface CommandOption {
+  id: string
+  title: string
+  description?: string
+  category?: string
+  keybind?: KeybindConfig
+  slash?: string
+  suggested?: boolean
+  disabled?: boolean
+  onSelect?: (source?: "palette" | "keybind" | "slash") => void
+}
+
+export function parseKeybind(config: string): Keybind[] {
+  if (!config || config === "none") return []
+
+  return config.split(",").map((combo) => {
+    const parts = combo.trim().toLowerCase().split("+")
+    const keybind: Keybind = {
+      key: "",
+      ctrl: false,
+      meta: false,
+      shift: false,
+      alt: false,
+    }
+
+    for (const part of parts) {
+      switch (part) {
+        case "ctrl":
+        case "control":
+          keybind.ctrl = true
+          break
+        case "meta":
+        case "cmd":
+        case "command":
+          keybind.meta = true
+          break
+        case "mod":
+          if (IS_MAC) keybind.meta = true
+          else keybind.ctrl = true
+          break
+        case "alt":
+        case "option":
+          keybind.alt = true
+          break
+        case "shift":
+          keybind.shift = true
+          break
+        default:
+          keybind.key = part
+          break
+      }
+    }
+
+    return keybind
+  })
+}
+
+export function matchKeybind(keybinds: Keybind[], event: KeyboardEvent): boolean {
+  const eventKey = event.key.toLowerCase()
+
+  for (const kb of keybinds) {
+    const keyMatch = kb.key === eventKey
+    const ctrlMatch = kb.ctrl === (event.ctrlKey || false)
+    const metaMatch = kb.meta === (event.metaKey || false)
+    const shiftMatch = kb.shift === (event.shiftKey || false)
+    const altMatch = kb.alt === (event.altKey || false)
+
+    if (keyMatch && ctrlMatch && metaMatch && shiftMatch && altMatch) {
+      return true
+    }
+  }
+
+  return false
+}
+
+export function formatKeybind(config: string): string {
+  if (!config || config === "none") return ""
+
+  const keybinds = parseKeybind(config)
+  if (keybinds.length === 0) return ""
+
+  const kb = keybinds[0]
+  const parts: string[] = []
+
+  if (kb.ctrl) parts.push(IS_MAC ? "⌃" : "Ctrl")
+  if (kb.alt) parts.push(IS_MAC ? "⌥" : "Alt")
+  if (kb.shift) parts.push(IS_MAC ? "⇧" : "Shift")
+  if (kb.meta) parts.push(IS_MAC ? "⌘" : "Meta")
+
+  if (kb.key) {
+    const displayKey = kb.key.length === 1 ? kb.key.toUpperCase() : kb.key.charAt(0).toUpperCase() + kb.key.slice(1)
+    parts.push(displayKey)
+  }
+
+  return IS_MAC ? parts.join("") : parts.join("+")
+}
+
+function DialogCommand(props: { options: CommandOption[] }) {
+  const dialog = useDialog()
+
+  return (
+    <Dialog title="Commands">
+      <List
+        search={{ placeholder: "Search commands", autofocus: true }}
+        emptyMessage="No commands found"
+        items={() => props.options.filter((x) => !x.id.startsWith("suggested.") || !x.disabled)}
+        key={(x) => x?.id}
+        filterKeys={["title", "description", "category"]}
+        groupBy={(x) => x.category ?? ""}
+        onSelect={(option) => {
+          if (option) {
+            dialog.close()
+            option.onSelect?.("palette")
+          }
+        }}
+      >
+        {(option) => (
+          <div class="w-full flex items-center justify-between gap-4">
+            <div class="flex items-center gap-2 min-w-0">
+              <span class="text-14-regular text-text-strong whitespace-nowrap">{option.title}</span>
+              <Show when={option.description}>
+                <span class="text-14-regular text-text-weak truncate">{option.description}</span>
+              </Show>
+            </div>
+            <Show when={option.keybind}>
+              <span class="text-12-regular text-text-subtle shrink-0">{formatKeybind(option.keybind!)}</span>
+            </Show>
+          </div>
+        )}
+      </List>
+    </Dialog>
+  )
+}
+
+export const { use: useCommand, provider: CommandProvider } = createSimpleContext({
+  name: "Command",
+  init: () => {
+    const [registrations, setRegistrations] = createSignal<Accessor<CommandOption[]>[]>([])
+    const [suspendCount, setSuspendCount] = createSignal(0)
+    const dialog = useDialog()
+
+    const options = createMemo(() => {
+      const all = registrations().flatMap((x) => x())
+      const suggested = all.filter((x) => x.suggested && !x.disabled)
+      return [
+        ...suggested.map((x) => ({
+          ...x,
+          id: "suggested." + x.id,
+          category: "Suggested",
+        })),
+        ...all,
+      ]
+    })
+
+    const suspended = () => suspendCount() > 0
+
+    const showPalette = () => {
+      if (!dialog.active) {
+        dialog.show(() => <DialogCommand options={options().filter((x) => !x.disabled)} />)
+      }
+    }
+
+    const handleKeyDown = (event: KeyboardEvent) => {
+      if (suspended()) return
+
+      const paletteKeybinds = parseKeybind("mod+shift+p")
+      if (matchKeybind(paletteKeybinds, event)) {
+        event.preventDefault()
+        showPalette()
+        return
+      }
+
+      for (const option of options()) {
+        if (option.disabled) continue
+        if (!option.keybind) continue
+
+        const keybinds = parseKeybind(option.keybind)
+        if (matchKeybind(keybinds, event)) {
+          event.preventDefault()
+          option.onSelect?.("keybind")
+          return
+        }
+      }
+    }
+
+    onMount(() => {
+      document.addEventListener("keydown", handleKeyDown)
+    })
+
+    onCleanup(() => {
+      document.removeEventListener("keydown", handleKeyDown)
+    })
+
+    return {
+      register(cb: () => CommandOption[]) {
+        const results = createMemo(cb)
+        setRegistrations((arr) => [results, ...arr])
+        onCleanup(() => {
+          setRegistrations((arr) => arr.filter((x) => x !== results))
+        })
+      },
+      trigger(id: string, source?: "palette" | "keybind" | "slash") {
+        for (const option of options()) {
+          if (option.id === id || option.id === "suggested." + id) {
+            option.onSelect?.(source)
+            return
+          }
+        }
+      },
+      keybind(id: string) {
+        const option = options().find((x) => x.id === id || x.id === "suggested." + id)
+        if (!option?.keybind) return ""
+        return formatKeybind(option.keybind)
+      },
+      show: showPalette,
+      keybinds(enabled: boolean) {
+        setSuspendCount((count) => count + (enabled ? -1 : 1))
+      },
+      suspended,
+      get options() {
+        return options()
+      },
+    }
+  },
+})
diff --git a/packages/app/src/context/global-sdk.tsx b/packages/app/src/context/global-sdk.tsx
new file mode 100644
index 000000000..3732ca085
--- /dev/null
+++ b/packages/app/src/context/global-sdk.tsx
@@ -0,0 +1,34 @@
+import { createOpencodeClient, type Event } from "@opencode-ai/sdk/v2/client"
+import { createSimpleContext } from "@opencode-ai/ui/context"
+import { createGlobalEmitter } from "@solid-primitives/event-bus"
+import { usePlatform } from "./platform"
+
+export const { use: useGlobalSDK, provider: GlobalSDKProvider } = createSimpleContext({
+  name: "GlobalSDK",
+  init: (props: { url: string }) => {
+    const eventSdk = createOpencodeClient({
+      baseUrl: props.url,
+      // signal: AbortSignal.timeout(1000 * 60 * 10),
+    })
+    const emitter = createGlobalEmitter<{
+      [key: string]: Event
+    }>()
+
+    eventSdk.global.event().then(async (events) => {
+      for await (const event of events.stream) {
+        // console.log("event", event)
+        emitter.emit(event.directory ?? "global", event.payload)
+      }
+    })
+
+    const platform = usePlatform()
+    const sdk = createOpencodeClient({
+      baseUrl: props.url,
+      signal: AbortSignal.timeout(1000 * 60 * 10),
+      fetch: platform.fetch,
+      throwOnError: true,
+    })
+
+    return { url: props.url, client: sdk, event: emitter }
+  },
+})
diff --git a/packages/app/src/context/global-sync.tsx b/packages/app/src/context/global-sync.tsx
new file mode 100644
index 000000000..ae40555d6
--- /dev/null
+++ b/packages/app/src/context/global-sync.tsx
@@ -0,0 +1,376 @@
+import {
+  type Message,
+  type Agent,
+  type Session,
+  type Part,
+  type Config,
+  type Path,
+  type File,
+  type FileNode,
+  type Project,
+  type FileDiff,
+  type Todo,
+  type SessionStatus,
+  type ProviderListResponse,
+  type ProviderAuthResponse,
+  type Command,
+  createOpencodeClient,
+} from "@opencode-ai/sdk/v2/client"
+import { createStore, produce, reconcile } from "solid-js/store"
+import { Binary } from "@opencode-ai/util/binary"
+import { retry } from "@opencode-ai/util/retry"
+import { useGlobalSDK } from "./global-sdk"
+import { ErrorPage, type InitError } from "../pages/error"
+import { createContext, useContext, onMount, type ParentProps, Switch, Match } from "solid-js"
+import { showToast } from "@opencode-ai/ui/toast"
+import { getFilename } from "@opencode-ai/util/path"
+
+type State = {
+  ready: boolean
+  agent: Agent[]
+  command: Command[]
+  project: string
+  provider: ProviderListResponse
+  config: Config
+  path: Path
+  session: Session[]
+  session_status: {
+    [sessionID: string]: SessionStatus
+  }
+  session_diff: {
+    [sessionID: string]: FileDiff[]
+  }
+  todo: {
+    [sessionID: string]: Todo[]
+  }
+  limit: number
+  message: {
+    [sessionID: string]: Message[]
+  }
+  part: {
+    [messageID: string]: Part[]
+  }
+  node: FileNode[]
+  changes: File[]
+}
+
+function createGlobalSync() {
+  const globalSDK = useGlobalSDK()
+  const [globalStore, setGlobalStore] = createStore<{
+    ready: boolean
+    error?: InitError
+    path: Path
+    project: Project[]
+    provider: ProviderListResponse
+    provider_auth: ProviderAuthResponse
+    children: Record<string, State>
+  }>({
+    ready: false,
+    path: { state: "", config: "", worktree: "", directory: "", home: "" },
+    project: [],
+    provider: { all: [], connected: [], default: {} },
+    provider_auth: {},
+    children: {},
+  })
+
+  const children: Record<string, ReturnType<typeof createStore<State>>> = {}
+  function child(directory: string) {
+    if (!directory) console.error("No directory provided")
+    if (!children[directory]) {
+      setGlobalStore("children", directory, {
+        project: "",
+        provider: { all: [], connected: [], default: {} },
+        config: {},
+        path: { state: "", config: "", worktree: "", directory: "", home: "" },
+        ready: false,
+        agent: [],
+        command: [],
+        session: [],
+        session_status: {},
+        session_diff: {},
+        todo: {},
+        limit: 5,
+        message: {},
+        part: {},
+        node: [],
+        changes: [],
+      })
+      children[directory] = createStore(globalStore.children[directory])
+      bootstrapInstance(directory)
+    }
+    return children[directory]
+  }
+
+  async function loadSessions(directory: string) {
+    const [store, setStore] = child(directory)
+    globalSDK.client.session
+      .list({ directory })
+      .then((x) => {
+        const fourHoursAgo = Date.now() - 4 * 60 * 60 * 1000
+        const nonArchived = (x.data ?? [])
+          .slice()
+          .filter((s) => !s.time.archived)
+          .sort((a, b) => a.id.localeCompare(b.id))
+        // Include up to the limit, plus any updated in the last 4 hours
+        const sessions = nonArchived.filter((s, i) => {
+          if (i < store.limit) return true
+          const updated = new Date(s.time.updated).getTime()
+          return updated > fourHoursAgo
+        })
+        setStore("session", sessions)
+      })
+      .catch((err) => {
+        console.error("Failed to load sessions", err)
+        const project = getFilename(directory)
+        showToast({ title: `Failed to load sessions for ${project}`, description: err.message })
+      })
+  }
+
+  async function bootstrapInstance(directory: string) {
+    if (!directory) return
+    const [, setStore] = child(directory)
+    const sdk = createOpencodeClient({
+      baseUrl: globalSDK.url,
+      directory,
+      throwOnError: true,
+    })
+    const load = {
+      project: () => sdk.project.current().then((x) => setStore("project", x.data!.id)),
+      provider: () => sdk.provider.list().then((x) => setStore("provider", x.data!)),
+      path: () => sdk.path.get().then((x) => setStore("path", x.data!)),
+      agent: () => sdk.app.agents().then((x) => setStore("agent", x.data ?? [])),
+      command: () => sdk.command.list().then((x) => setStore("command", x.data ?? [])),
+      session: () => loadSessions(directory),
+      status: () => sdk.session.status().then((x) => setStore("session_status", x.data!)),
+      config: () => sdk.config.get().then((x) => setStore("config", x.data!)),
+      changes: () => sdk.file.status().then((x) => setStore("changes", x.data!)),
+      node: () => sdk.file.list({ path: "/" }).then((x) => setStore("node", x.data!)),
+    }
+    await Promise.all(Object.values(load).map((p) => retry(p).catch((e) => setGlobalStore("error", e))))
+      .then(() => setStore("ready", true))
+      .catch((e) => setGlobalStore("error", e))
+  }
+
+  globalSDK.event.listen((e) => {
+    const directory = e.name
+    const event = e.details
+
+    if (directory === "global") {
+      switch (event?.type) {
+        case "global.disposed": {
+          bootstrap()
+          break
+        }
+        case "project.updated": {
+          const result = Binary.search(globalStore.project, event.properties.id, (s) => s.id)
+          if (result.found) {
+            setGlobalStore("project", result.index, reconcile(event.properties))
+            return
+          }
+          setGlobalStore(
+            "project",
+            produce((draft) => {
+              draft.splice(result.index, 0, event.properties)
+            }),
+          )
+          break
+        }
+      }
+      return
+    }
+
+    const [store, setStore] = child(directory)
+    switch (event.type) {
+      case "server.instance.disposed": {
+        bootstrapInstance(directory)
+        break
+      }
+      case "session.updated": {
+        const result = Binary.search(store.session, event.properties.info.id, (s) => s.id)
+        if (event.properties.info.time.archived) {
+          if (result.found) {
+            setStore(
+              "session",
+              produce((draft) => {
+                draft.splice(result.index, 1)
+              }),
+            )
+          }
+          break
+        }
+        if (result.found) {
+          setStore("session", result.index, reconcile(event.properties.info))
+          break
+        }
+        setStore(
+          "session",
+          produce((draft) => {
+            draft.splice(result.index, 0, event.properties.info)
+          }),
+        )
+        break
+      }
+      case "session.diff":
+        setStore("session_diff", event.properties.sessionID, event.properties.diff)
+        break
+      case "todo.updated":
+        setStore("todo", event.properties.sessionID, event.properties.todos)
+        break
+      case "session.status": {
+        setStore("session_status", event.properties.sessionID, event.properties.status)
+        break
+      }
+      case "message.updated": {
+        const messages = store.message[event.properties.info.sessionID]
+        if (!messages) {
+          setStore("message", event.properties.info.sessionID, [event.properties.info])
+          break
+        }
+        const result = Binary.search(messages, event.properties.info.id, (m) => m.id)
+        if (result.found) {
+          setStore("message", event.properties.info.sessionID, result.index, reconcile(event.properties.info))
+          break
+        }
+        setStore(
+          "message",
+          event.properties.info.sessionID,
+          produce((draft) => {
+            draft.splice(result.index, 0, event.properties.info)
+          }),
+        )
+        break
+      }
+      case "message.removed": {
+        const messages = store.message[event.properties.sessionID]
+        if (!messages) break
+        const result = Binary.search(messages, event.properties.messageID, (m) => m.id)
+        if (result.found) {
+          setStore(
+            "message",
+            event.properties.sessionID,
+            produce((draft) => {
+              draft.splice(result.index, 1)
+            }),
+          )
+        }
+        break
+      }
+      case "message.part.updated": {
+        const part = event.properties.part
+        const parts = store.part[part.messageID]
+        if (!parts) {
+          setStore("part", part.messageID, [part])
+          break
+        }
+        const result = Binary.search(parts, part.id, (p) => p.id)
+        if (result.found) {
+          setStore("part", part.messageID, result.index, reconcile(part))
+          break
+        }
+        setStore(
+          "part",
+          part.messageID,
+          produce((draft) => {
+            draft.splice(result.index, 0, part)
+          }),
+        )
+        break
+      }
+      case "message.part.removed": {
+        const parts = store.part[event.properties.messageID]
+        if (!parts) break
+        const result = Binary.search(parts, event.properties.partID, (p) => p.id)
+        if (result.found) {
+          setStore(
+            "part",
+            event.properties.messageID,
+            produce((draft) => {
+              draft.splice(result.index, 1)
+            }),
+          )
+        }
+        break
+      }
+    }
+  })
+
+  async function bootstrap() {
+    const health = await globalSDK.client.global.health().then((x) => x.data)
+    if (!health?.healthy) {
+      setGlobalStore(
+        "error",
+        new Error(`Could not connect to server. Is there a server running at \`${globalSDK.url}\`?`),
+      )
+      return
+    }
+
+    return Promise.all([
+      retry(() =>
+        globalSDK.client.path.get().then((x) => {
+          setGlobalStore("path", x.data!)
+        }),
+      ),
+      retry(() =>
+        globalSDK.client.project.list().then(async (x) => {
+          setGlobalStore(
+            "project",
+            x.data!.filter((p) => !p.worktree.includes("opencode-test")).sort((a, b) => a.id.localeCompare(b.id)),
+          )
+        }),
+      ),
+      retry(() =>
+        globalSDK.client.provider.list().then((x) => {
+          setGlobalStore("provider", x.data ?? {})
+        }),
+      ),
+      retry(() =>
+        globalSDK.client.provider.auth().then((x) => {
+          setGlobalStore("provider_auth", x.data ?? {})
+        }),
+      ),
+    ])
+      .then(() => setGlobalStore("ready", true))
+      .catch((e) => setGlobalStore("error", e))
+  }
+
+  onMount(() => {
+    bootstrap()
+  })
+
+  return {
+    data: globalStore,
+    get ready() {
+      return globalStore.ready
+    },
+    get error() {
+      return globalStore.error
+    },
+    child,
+    bootstrap,
+    project: {
+      loadSessions,
+    },
+  }
+}
+
+const GlobalSyncContext = createContext<ReturnType<typeof createGlobalSync>>()
+
+export function GlobalSyncProvider(props: ParentProps) {
+  const value = createGlobalSync()
+  return (
+    <Switch>
+      <Match when={value.error}>
+        <ErrorPage error={value.error} />
+      </Match>
+      <Match when={value.ready}>
+        <GlobalSyncContext.Provider value={value}>{props.children}</GlobalSyncContext.Provider>
+      </Match>
+    </Switch>
+  )
+}
+
+export function useGlobalSync() {
+  const context = useContext(GlobalSyncContext)
+  if (!context) throw new Error("useGlobalSync must be used within GlobalSyncProvider")
+  return context
+}
diff --git a/packages/app/src/context/layout.tsx b/packages/app/src/context/layout.tsx
new file mode 100644
index 000000000..c6ba5fef5
--- /dev/null
+++ b/packages/app/src/context/layout.tsx
@@ -0,0 +1,260 @@
+import { createStore, produce } from "solid-js/store"
+import { batch, createMemo, onMount } from "solid-js"
+import { createSimpleContext } from "@opencode-ai/ui/context"
+import { useGlobalSync } from "./global-sync"
+import { useGlobalSDK } from "./global-sdk"
+import { Project } from "@opencode-ai/sdk/v2"
+import { persisted } from "@/utils/persist"
+
+const AVATAR_COLOR_KEYS = ["pink", "mint", "orange", "purple", "cyan", "lime"] as const
+export type AvatarColorKey = (typeof AVATAR_COLOR_KEYS)[number]
+
+export function getAvatarColors(key?: string) {
+  if (key && AVATAR_COLOR_KEYS.includes(key as AvatarColorKey)) {
+    return {
+      background: `var(--avatar-background-${key})`,
+      foreground: `var(--avatar-text-${key})`,
+    }
+  }
+  return {
+    background: "var(--surface-info-base)",
+    foreground: "var(--text-base)",
+  }
+}
+
+type SessionTabs = {
+  active?: string
+  all: string[]
+}
+
+export type LocalProject = Partial<Project> & { worktree: string; expanded: boolean }
+
+export const { use: useLayout, provider: LayoutProvider } = createSimpleContext({
+  name: "Layout",
+  init: () => {
+    const globalSdk = useGlobalSDK()
+    const globalSync = useGlobalSync()
+    const [store, setStore, _, ready] = persisted(
+      "layout.v3",
+      createStore({
+        projects: [] as { worktree: string; expanded: boolean }[],
+        sidebar: {
+          opened: false,
+          width: 280,
+        },
+        terminal: {
+          opened: false,
+          height: 280,
+        },
+        review: {
+          opened: true,
+        },
+        session: {
+          width: 600,
+        },
+        sessionTabs: {} as Record<string, SessionTabs>,
+      }),
+    )
+
+    const usedColors = new Set<AvatarColorKey>()
+
+    function pickAvailableColor(): AvatarColorKey {
+      const available = AVATAR_COLOR_KEYS.filter((c) => !usedColors.has(c))
+      if (available.length === 0) return AVATAR_COLOR_KEYS[Math.floor(Math.random() * AVATAR_COLOR_KEYS.length)]
+      return available[Math.floor(Math.random() * available.length)]
+    }
+
+    function enrich(project: { worktree: string; expanded: boolean }) {
+      const metadata = globalSync.data.project.find((x) => x.worktree === project.worktree)
+      return [
+        {
+          ...project,
+          ...(metadata ?? {}),
+        },
+      ]
+    }
+
+    function colorize(project: LocalProject) {
+      if (project.icon?.color) return project
+      const color = pickAvailableColor()
+      usedColors.add(color)
+      project.icon = { ...project.icon, color }
+      if (project.id) {
+        globalSdk.client.project.update({ projectID: project.id, icon: { color } })
+      }
+      return project
+    }
+
+    const enriched = createMemo(() => store.projects.flatMap(enrich))
+    const list = createMemo(() => enriched().flatMap(colorize))
+
+    onMount(() => {
+      Promise.all(
+        store.projects.map((project) => {
+          return globalSync.project.loadSessions(project.worktree)
+        }),
+      )
+    })
+
+    return {
+      ready,
+      projects: {
+        list,
+        open(directory: string) {
+          if (store.projects.find((x) => x.worktree === directory)) {
+            return
+          }
+          globalSync.project.loadSessions(directory)
+          setStore("projects", (x) => [{ worktree: directory, expanded: true }, ...x])
+        },
+        close(directory: string) {
+          setStore("projects", (x) => x.filter((x) => x.worktree !== directory))
+        },
+        expand(directory: string) {
+          const index = store.projects.findIndex((x) => x.worktree === directory)
+          if (index !== -1) setStore("projects", index, "expanded", true)
+        },
+        collapse(directory: string) {
+          const index = store.projects.findIndex((x) => x.worktree === directory)
+          if (index !== -1) setStore("projects", index, "expanded", false)
+        },
+        move(directory: string, toIndex: number) {
+          setStore("projects", (projects) => {
+            const fromIndex = projects.findIndex((x) => x.worktree === directory)
+            if (fromIndex === -1 || fromIndex === toIndex) return projects
+            const result = [...projects]
+            const [item] = result.splice(fromIndex, 1)
+            result.splice(toIndex, 0, item)
+            return result
+          })
+        },
+      },
+      sidebar: {
+        opened: createMemo(() => store.sidebar.opened),
+        open() {
+          setStore("sidebar", "opened", true)
+        },
+        close() {
+          setStore("sidebar", "opened", false)
+        },
+        toggle() {
+          setStore("sidebar", "opened", (x) => !x)
+        },
+        width: createMemo(() => store.sidebar.width),
+        resize(width: number) {
+          setStore("sidebar", "width", width)
+        },
+      },
+      terminal: {
+        opened: createMemo(() => store.terminal.opened),
+        open() {
+          setStore("terminal", "opened", true)
+        },
+        close() {
+          setStore("terminal", "opened", false)
+        },
+        toggle() {
+          setStore("terminal", "opened", (x) => !x)
+        },
+        height: createMemo(() => store.terminal.height),
+        resize(height: number) {
+          setStore("terminal", "height", height)
+        },
+      },
+      review: {
+        opened: createMemo(() => store.review?.opened ?? true),
+        open() {
+          setStore("review", "opened", true)
+        },
+        close() {
+          setStore("review", "opened", false)
+        },
+        toggle() {
+          setStore("review", "opened", (x) => !x)
+        },
+      },
+      session: {
+        width: createMemo(() => store.session?.width ?? 600),
+        resize(width: number) {
+          if (!store.session) {
+            setStore("session", { width })
+          } else {
+            setStore("session", "width", width)
+          }
+        },
+      },
+      tabs(sessionKey: string) {
+        const tabs = createMemo(() => store.sessionTabs[sessionKey] ?? { all: [] })
+        return {
+          tabs,
+          active: createMemo(() => tabs().active),
+          all: createMemo(() => tabs().all),
+          setActive(tab: string | undefined) {
+            if (!store.sessionTabs[sessionKey]) {
+              setStore("sessionTabs", sessionKey, { all: [], active: tab })
+            } else {
+              setStore("sessionTabs", sessionKey, "active", tab)
+            }
+          },
+          setAll(all: string[]) {
+            if (!store.sessionTabs[sessionKey]) {
+              setStore("sessionTabs", sessionKey, { all, active: undefined })
+            } else {
+              setStore("sessionTabs", sessionKey, "all", all)
+            }
+          },
+          async open(tab: string) {
+            const current = store.sessionTabs[sessionKey] ?? { all: [] }
+            if (tab !== "review") {
+              if (!current.all.includes(tab)) {
+                if (!store.sessionTabs[sessionKey]) {
+                  setStore("sessionTabs", sessionKey, { all: [tab], active: tab })
+                } else {
+                  setStore("sessionTabs", sessionKey, "all", [...current.all, tab])
+                  setStore("sessionTabs", sessionKey, "active", tab)
+                }
+                return
+              }
+            }
+            if (!store.sessionTabs[sessionKey]) {
+              setStore("sessionTabs", sessionKey, { all: [], active: tab })
+            } else {
+              setStore("sessionTabs", sessionKey, "active", tab)
+            }
+          },
+          close(tab: string) {
+            const current = store.sessionTabs[sessionKey]
+            if (!current) return
+            batch(() => {
+              setStore(
+                "sessionTabs",
+                sessionKey,
+                "all",
+                current.all.filter((x) => x !== tab),
+              )
+              if (current.active === tab) {
+                const index = current.all.findIndex((f) => f === tab)
+                const previous = current.all[Math.max(0, index - 1)]
+                setStore("sessionTabs", sessionKey, "active", previous)
+              }
+            })
+          },
+          move(tab: string, to: number) {
+            const current = store.sessionTabs[sessionKey]
+            if (!current) return
+            const index = current.all.findIndex((f) => f === tab)
+            if (index === -1) return
+            setStore(
+              "sessionTabs",
+              sessionKey,
+              "all",
+              produce((opened) => {
+                opened.splice(to, 0, opened.splice(index, 1)[0])
+              }),
+            )
+          },
+        }
+      },
+    }
+  },
+})
diff --git a/packages/app/src/context/local.tsx b/packages/app/src/context/local.tsx
new file mode 100644
index 000000000..69807a2f4
--- /dev/null
+++ b/packages/app/src/context/local.tsx
@@ -0,0 +1,548 @@
+import { createStore, produce, reconcile } from "solid-js/store"
+import { batch, createEffect, createMemo } from "solid-js"
+import { filter, firstBy, flat, groupBy, mapValues, pipe, uniqueBy, values } from "remeda"
+import type { FileContent, FileNode, Model, Provider, File as FileStatus } from "@opencode-ai/sdk/v2"
+import { createSimpleContext } from "@opencode-ai/ui/context"
+import { useSDK } from "./sdk"
+import { useSync } from "./sync"
+import { base64Encode } from "@opencode-ai/util/encode"
+import { useProviders } from "@/hooks/use-providers"
+import { DateTime } from "luxon"
+import { persisted } from "@/utils/persist"
+
+export type LocalFile = FileNode &
+  Partial<{
+    loaded: boolean
+    pinned: boolean
+    expanded: boolean
+    content: FileContent
+    selection: { startLine: number; startChar: number; endLine: number; endChar: number }
+    scrollTop: number
+    view: "raw" | "diff-unified" | "diff-split"
+    folded: string[]
+    selectedChange: number
+    status: FileStatus
+  }>
+export type TextSelection = LocalFile["selection"]
+export type View = LocalFile["view"]
+
+export type LocalModel = Omit<Model, "provider"> & {
+  provider: Provider
+  latest?: boolean
+}
+export type ModelKey = { providerID: string; modelID: string }
+
+export type FileContext = { type: "file"; path: string; selection?: TextSelection }
+export type ContextItem = FileContext
+
+export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
+  name: "Local",
+  init: () => {
+    const sdk = useSDK()
+    const sync = useSync()
+    const providers = useProviders()
+
+    function isModelValid(model: ModelKey) {
+      const provider = providers.all().find((x) => x.id === model.providerID)
+      return (
+        !!provider?.models[model.modelID] &&
+        providers
+          .connected()
+          .map((p) => p.id)
+          .includes(model.providerID)
+      )
+    }
+
+    function getFirstValidModel(...modelFns: (() => ModelKey | undefined)[]) {
+      for (const modelFn of modelFns) {
+        const model = modelFn()
+        if (!model) continue
+        if (isModelValid(model)) return model
+      }
+    }
+
+    // Automatically update model when agent changes
+    createEffect(() => {
+      const value = agent.current()
+      if (value.model) {
+        if (isModelValid(value.model))
+          model.set({
+            providerID: value.model.providerID,
+            modelID: value.model.modelID,
+          })
+        // else
+        //   toast.show({
+        //     type: "warning",
+        //     message: `Agent ${value.name}'s configured model ${value.model.providerID}/${value.model.modelID} is not valid`,
+        //     duration: 3000,
+        //   })
+      }
+    })
+
+    const agent = (() => {
+      const list = createMemo(() => sync.data.agent.filter((x) => x.mode !== "subagent" && !x.hidden))
+      const [store, setStore] = createStore<{
+        current: string
+      }>({
+        current: list()[0].name,
+      })
+      return {
+        list,
+        current() {
+          return list().find((x) => x.name === store.current)!
+        },
+        set(name: string | undefined) {
+          setStore("current", name ?? list()[0].name)
+        },
+        move(direction: 1 | -1) {
+          let next = list().findIndex((x) => x.name === store.current) + direction
+          if (next < 0) next = list().length - 1
+          if (next >= list().length) next = 0
+          const value = list()[next]
+          setStore("current", value.name)
+          if (value.model)
+            model.set({
+              providerID: value.model.providerID,
+              modelID: value.model.modelID,
+            })
+        },
+      }
+    })()
+
+    const model = (() => {
+      const [store, setStore, _, modelReady] = persisted(
+        "model.v1",
+        createStore<{
+          user: (ModelKey & { visibility: "show" | "hide"; favorite?: boolean })[]
+          recent: ModelKey[]
+        }>({
+          user: [],
+          recent: [],
+        }),
+      )
+
+      const [ephemeral, setEphemeral] = createStore<{
+        model: Record<string, ModelKey>
+      }>({
+        model: {},
+      })
+
+      const available = createMemo(() =>
+        providers.connected().flatMap((p) =>
+          Object.values(p.models).map((m) => ({
+            ...m,
+            provider: p,
+          })),
+        ),
+      )
+
+      const latest = createMemo(() =>
+        pipe(
+          available(),
+          filter((x) => Math.abs(DateTime.fromISO(x.release_date).diffNow().as("months")) < 6),
+          groupBy((x) => x.provider.id),
+          mapValues((models) =>
+            pipe(
+              models,
+              groupBy((x) => x.family),
+              values(),
+              (groups) =>
+                groups.flatMap((g) => {
+                  const first = firstBy(g, [(x) => x.release_date, "desc"])
+                  return first ? [{ modelID: first.id, providerID: first.provider.id }] : []
+                }),
+            ),
+          ),
+          values(),
+          flat(),
+        ),
+      )
+
+      const list = createMemo(() =>
+        available().map((m) => ({
+          ...m,
+          name: m.name.replace("(latest)", "").trim(),
+          latest: m.name.includes("(latest)"),
+        })),
+      )
+
+      const find = (key: ModelKey) => list().find((m) => m.id === key?.modelID && m.provider.id === key.providerID)
+
+      const fallbackModel = createMemo(() => {
+        if (sync.data.config.model) {
+          const [providerID, modelID] = sync.data.config.model.split("/")
+          if (isModelValid({ providerID, modelID })) {
+            return {
+              providerID,
+              modelID,
+            }
+          }
+        }
+
+        for (const item of store.recent) {
+          if (isModelValid(item)) {
+            return item
+          }
+        }
+
+        for (const p of providers.connected()) {
+          if (p.id in providers.default()) {
+            return {
+              providerID: p.id,
+              modelID: providers.default()[p.id],
+            }
+          }
+        }
+
+        throw new Error("No default model found")
+      })
+
+      const current = createMemo(() => {
+        const a = agent.current()
+        const key = getFirstValidModel(
+          () => ephemeral.model[a.name],
+          () => a.model,
+          fallbackModel,
+        )!
+        return find(key)
+      })
+
+      const recent = createMemo(() => store.recent.map(find).filter(Boolean))
+
+      const cycle = (direction: 1 | -1) => {
+        const recentList = recent()
+        const currentModel = current()
+        if (!currentModel) return
+
+        const index = recentList.findIndex(
+          (x) => x?.provider.id === currentModel.provider.id && x?.id === currentModel.id,
+        )
+        if (index === -1) return
+
+        let next = index + direction
+        if (next < 0) next = recentList.length - 1
+        if (next >= recentList.length) next = 0
+
+        const val = recentList[next]
+        if (!val) return
+
+        model.set({
+          providerID: val.provider.id,
+          modelID: val.id,
+        })
+      }
+
+      function updateVisibility(model: ModelKey, visibility: "show" | "hide") {
+        const index = store.user.findIndex((x) => x.modelID === model.modelID && x.providerID === model.providerID)
+        if (index >= 0) {
+          setStore("user", index, { visibility })
+        } else {
+          setStore("user", store.user.length, { ...model, visibility })
+        }
+      }
+
+      return {
+        ready: modelReady,
+        current,
+        recent,
+        list,
+        cycle,
+        set(model: ModelKey | undefined, options?: { recent?: boolean }) {
+          batch(() => {
+            setEphemeral("model", agent.current().name, model ?? fallbackModel())
+            if (model) updateVisibility(model, "show")
+            if (options?.recent && model) {
+              const uniq = uniqueBy([model, ...store.recent], (x) => x.providerID + x.modelID)
+              if (uniq.length > 5) uniq.pop()
+              setStore("recent", uniq)
+            }
+          })
+        },
+        visible(model: ModelKey) {
+          const user = store.user.find((x) => x.modelID === model.modelID && x.providerID === model.providerID)
+          return (
+            user?.visibility !== "hide" &&
+            (latest().find((x) => x.modelID === model.modelID && x.providerID === model.providerID) ||
+              user?.visibility === "show")
+          )
+        },
+        setVisibility(model: ModelKey, visible: boolean) {
+          updateVisibility(model, visible ? "show" : "hide")
+        },
+      }
+    })()
+
+    const file = (() => {
+      const [store, setStore] = createStore<{
+        node: Record<string, LocalFile>
+      }>({
+        node: Object.fromEntries(sync.data.node.map((x) => [x.path, x])),
+      })
+
+      const changeset = createMemo(() => new Set(sync.data.changes.map((f) => f.path)))
+      const changes = createMemo(() => Array.from(changeset()).sort((a, b) => a.localeCompare(b)))
+
+      // createEffect((prev: FileStatus[]) => {
+      //   const removed = prev.filter((p) => !sync.data.changes.find((c) => c.path === p.path))
+      //   for (const p of removed) {
+      //     setStore(
+      //       "node",
+      //       p.path,
+      //       produce((draft) => {
+      //         draft.status = undefined
+      //         draft.view = "raw"
+      //       }),
+      //     )
+      //     load(p.path)
+      //   }
+      //   for (const p of sync.data.changes) {
+      //     if (store.node[p.path] === undefined) {
+      //       fetch(p.path).then(() => {
+      //         if (store.node[p.path] === undefined) return
+      //         setStore("node", p.path, "status", p)
+      //       })
+      //     } else {
+      //       setStore("node", p.path, "status", p)
+      //     }
+      //   }
+      //   return sync.data.changes
+      // }, sync.data.changes)
+
+      const changed = (path: string) => {
+        const node = store.node[path]
+        if (node?.status) return true
+        const set = changeset()
+        if (set.has(path)) return true
+        for (const p of set) {
+          if (p.startsWith(path ? path + "/" : "")) return true
+        }
+        return false
+      }
+
+      // const resetNode = (path: string) => {
+      //   setStore("node", path, {
+      //     loaded: undefined,
+      //     pinned: undefined,
+      //     content: undefined,
+      //     selection: undefined,
+      //     scrollTop: undefined,
+      //     folded: undefined,
+      //     view: undefined,
+      //     selectedChange: undefined,
+      //   })
+      // }
+
+      const relative = (path: string) => path.replace(sync.data.path.directory + "/", "")
+
+      const load = async (path: string) => {
+        const relativePath = relative(path)
+        await sdk.client.file.read({ path: relativePath }).then((x) => {
+          if (!store.node[relativePath]) return
+          setStore(
+            "node",
+            relativePath,
+            produce((draft) => {
+              draft.loaded = true
+              draft.content = x.data
+            }),
+          )
+        })
+      }
+
+      const fetch = async (path: string) => {
+        const relativePath = relative(path)
+        const parent = relativePath.split("/").slice(0, -1).join("/")
+        if (parent) {
+          await list(parent)
+        }
+      }
+
+      const init = async (path: string) => {
+        const relativePath = relative(path)
+        if (!store.node[relativePath]) await fetch(path)
+        if (store.node[relativePath]?.loaded) return
+        return load(relativePath)
+      }
+
+      const open = async (path: string, options?: { pinned?: boolean; view?: LocalFile["view"] }) => {
+        const relativePath = relative(path)
+        if (!store.node[relativePath]) await fetch(path)
+        // setStore("opened", (x) => {
+        //   if (x.includes(relativePath)) return x
+        //   return [
+        //     ...opened()
+        //       .filter((x) => x.pinned)
+        //       .map((x) => x.path),
+        //     relativePath,
+        //   ]
+        // })
+        // setStore("active", relativePath)
+        context.addActive()
+        if (options?.pinned) setStore("node", path, "pinned", true)
+        if (options?.view && store.node[relativePath].view === undefined) setStore("node", path, "view", options.view)
+        if (store.node[relativePath]?.loaded) return
+        return load(relativePath)
+      }
+
+      const list = async (path: string) => {
+        return sdk.client.file.list({ path: path + "/" }).then((x) => {
+          setStore(
+            "node",
+            produce((draft) => {
+              x.data!.forEach((node) => {
+                if (node.path in draft) return
+                draft[node.path] = node
+              })
+            }),
+          )
+        })
+      }
+
+      const searchFiles = (query: string) => sdk.client.find.files({ query, dirs: "false" }).then((x) => x.data!)
+      const searchFilesAndDirectories = (query: string) =>
+        sdk.client.find.files({ query, dirs: "true" }).then((x) => x.data!)
+
+      sdk.event.listen((e) => {
+        const event = e.details
+        switch (event.type) {
+          case "file.watcher.updated":
+            const relativePath = relative(event.properties.file)
+            if (relativePath.startsWith(".git/")) return
+            if (store.node[relativePath]) load(relativePath)
+            break
+        }
+      })
+
+      return {
+        node: async (path: string) => {
+          if (!store.node[path] || !store.node[path].loaded) {
+            await init(path)
+          }
+          return store.node[path]
+        },
+        update: (path: string, node: LocalFile) => setStore("node", path, reconcile(node)),
+        open,
+        load,
+        init,
+        expand(path: string) {
+          setStore("node", path, "expanded", true)
+          if (store.node[path]?.loaded) return
+          setStore("node", path, "loaded", true)
+          list(path)
+        },
+        collapse(path: string) {
+          setStore("node", path, "expanded", false)
+        },
+        select(path: string, selection: TextSelection | undefined) {
+          setStore("node", path, "selection", selection)
+        },
+        scroll(path: string, scrollTop: number) {
+          setStore("node", path, "scrollTop", scrollTop)
+        },
+        view(path: string): View {
+          const n = store.node[path]
+          return n && n.view ? n.view : "raw"
+        },
+        setView(path: string, view: View) {
+          setStore("node", path, "view", view)
+        },
+        unfold(path: string, key: string) {
+          setStore("node", path, "folded", (xs) => {
+            const a = xs ?? []
+            if (a.includes(key)) return a
+            return [...a, key]
+          })
+        },
+        fold(path: string, key: string) {
+          setStore("node", path, "folded", (xs) => (xs ?? []).filter((k) => k !== key))
+        },
+        folded(path: string) {
+          const n = store.node[path]
+          return n && n.folded ? n.folded : []
+        },
+        changeIndex(path: string) {
+          return store.node[path]?.selectedChange
+        },
+        setChangeIndex(path: string, index: number | undefined) {
+          setStore("node", path, "selectedChange", index)
+        },
+        changes,
+        changed,
+        children(path: string) {
+          return Object.values(store.node).filter(
+            (x) =>
+              x.path.startsWith(path) &&
+              x.path !== path &&
+              !x.path.replace(new RegExp(`^${path + "/"}`), "").includes("/"),
+          )
+        },
+        searchFiles,
+        searchFilesAndDirectories,
+        relative,
+      }
+    })()
+
+    const context = (() => {
+      const [store, setStore] = createStore<{
+        activeTab: boolean
+        files: string[]
+        activeFile?: string
+        items: (ContextItem & { key: string })[]
+      }>({
+        activeTab: true,
+        files: [],
+        items: [],
+      })
+      const files = createMemo(() => store.files.map((x) => file.node(x)))
+      const activeFile = createMemo(() => (store.activeFile ? file.node(store.activeFile) : undefined))
+
+      return {
+        all() {
+          return store.items
+        },
+        // active() {
+        //   return store.activeTab ? file.active() : undefined
+        // },
+        addActive() {
+          setStore("activeTab", true)
+        },
+        removeActive() {
+          setStore("activeTab", false)
+        },
+        add(item: ContextItem) {
+          let key = item.type
+          switch (item.type) {
+            case "file":
+              key += `${item.path}:${item.selection?.startLine}:${item.selection?.endLine}`
+              break
+          }
+          if (store.items.find((x) => x.key === key)) return
+          setStore("items", (x) => [...x, { key, ...item }])
+        },
+        remove(key: string) {
+          setStore("items", (x) => x.filter((x) => x.key !== key))
+        },
+        files,
+        openFile(path: string) {
+          file.init(path).then(() => {
+            setStore("files", (x) => [...x, path])
+            setStore("activeFile", path)
+          })
+        },
+        activeFile,
+        setActiveFile(path: string | undefined) {
+          setStore("activeFile", path)
+        },
+      }
+    })()
+
+    const result = {
+      slug: createMemo(() => base64Encode(sdk.directory)),
+      model,
+      agent,
+      file,
+      context,
+    }
+    return result
+  },
+})
diff --git a/packages/app/src/context/notification.tsx b/packages/app/src/context/notification.tsx
new file mode 100644
index 000000000..2b258ebd6
--- /dev/null
+++ b/packages/app/src/context/notification.tsx
@@ -0,0 +1,127 @@
+import { createStore } from "solid-js/store"
+import { createSimpleContext } from "@opencode-ai/ui/context"
+import { useGlobalSDK } from "./global-sdk"
+import { useGlobalSync } from "./global-sync"
+import { Binary } from "@opencode-ai/util/binary"
+import { EventSessionError } from "@opencode-ai/sdk/v2"
+import { makeAudioPlayer } from "@solid-primitives/audio"
+import idleSound from "@opencode-ai/ui/audio/staplebops-01.aac"
+import errorSound from "@opencode-ai/ui/audio/nope-03.aac"
+import { persisted } from "@/utils/persist"
+
+type NotificationBase = {
+  directory?: string
+  session?: string
+  metadata?: any
+  time: number
+  viewed: boolean
+}
+
+type TurnCompleteNotification = NotificationBase & {
+  type: "turn-complete"
+}
+
+type ErrorNotification = NotificationBase & {
+  type: "error"
+  error: EventSessionError["properties"]["error"]
+}
+
+export type Notification = TurnCompleteNotification | ErrorNotification
+
+export const { use: useNotification, provider: NotificationProvider } = createSimpleContext({
+  name: "Notification",
+  init: () => {
+    let idlePlayer: ReturnType<typeof makeAudioPlayer> | undefined
+    let errorPlayer: ReturnType<typeof makeAudioPlayer> | undefined
+
+    try {
+      idlePlayer = makeAudioPlayer(idleSound)
+      errorPlayer = makeAudioPlayer(errorSound)
+    } catch (err) {
+      console.log("Failed to load audio", err)
+    }
+
+    const globalSDK = useGlobalSDK()
+    const globalSync = useGlobalSync()
+
+    const [store, setStore, _, ready] = persisted(
+      "notification.v1",
+      createStore({
+        list: [] as Notification[],
+      }),
+    )
+
+    globalSDK.event.listen((e) => {
+      const directory = e.name
+      const event = e.details
+      const base = {
+        directory,
+        time: Date.now(),
+        viewed: false,
+      }
+      switch (event.type) {
+        case "session.idle": {
+          const sessionID = event.properties.sessionID
+          const [syncStore] = globalSync.child(directory)
+          const match = Binary.search(syncStore.session, sessionID, (s) => s.id)
+          const isChild = match.found && syncStore.session[match.index].parentID
+          if (isChild) break
+          try {
+            idlePlayer?.play()
+          } catch {}
+          setStore("list", store.list.length, {
+            ...base,
+            type: "turn-complete",
+            session: sessionID,
+          })
+          break
+        }
+        case "session.error": {
+          const sessionID = event.properties.sessionID
+          if (sessionID) {
+            const [syncStore] = globalSync.child(directory)
+            const match = Binary.search(syncStore.session, sessionID, (s) => s.id)
+            const isChild = match.found && syncStore.session[match.index].parentID
+            if (isChild) break
+          }
+          try {
+            errorPlayer?.play()
+          } catch {}
+          setStore("list", store.list.length, {
+            ...base,
+            type: "error",
+            session: sessionID ?? "global",
+            error: "error" in event.properties ? event.properties.error : undefined,
+          })
+          break
+        }
+      }
+    })
+
+    return {
+      ready,
+      session: {
+        all(session: string) {
+          return store.list.filter((n) => n.session === session)
+        },
+        unseen(session: string) {
+          return store.list.filter((n) => n.session === session && !n.viewed)
+        },
+        markViewed(session: string) {
+          setStore("list", (n) => n.session === session, "viewed", true)
+        },
+      },
+      project: {
+        all(directory: string) {
+          return store.list.filter((n) => n.directory === directory)
+        },
+        unseen(directory: string) {
+          return store.list.filter((n) => n.directory === directory && !n.viewed)
+        },
+        markViewed(directory: string) {
+          setStore("list", (n) => n.directory === directory, "viewed", true)
+        },
+      },
+    }
+  },
+})
diff --git a/packages/app/src/context/platform.tsx b/packages/app/src/context/platform.tsx
new file mode 100644
index 000000000..73d4c7f3e
--- /dev/null
+++ b/packages/app/src/context/platform.tsx
@@ -0,0 +1,41 @@
+import { createSimpleContext } from "@opencode-ai/ui/context"
+import { AsyncStorage, SyncStorage } from "@solid-primitives/storage"
+
+export type Platform = {
+  /** Platform discriminator */
+  platform: "web" | "tauri"
+
+  /** Open a URL in the default browser */
+  openLink(url: string): void
+
+  /** Restart the app  */
+  restart(): Promise<void>
+
+  /** Open native directory picker dialog (Tauri only) */
+  openDirectoryPickerDialog?(opts?: { title?: string; multiple?: boolean }): Promise<string | string[] | null>
+
+  /** Open native file picker dialog (Tauri only) */
+  openFilePickerDialog?(opts?: { title?: string; multiple?: boolean }): Promise<string | string[] | null>
+
+  /** Save file picker dialog (Tauri only) */
+  saveFilePickerDialog?(opts?: { title?: string; defaultPath?: string }): Promise<string | null>
+
+  /** Storage mechanism, defaults to localStorage */
+  storage?: (name?: string) => SyncStorage | AsyncStorage
+
+  /** Check for updates (Tauri only) */
+  checkUpdate?(): Promise<{ updateAvailable: boolean; version?: string }>
+
+  /** Install updates (Tauri only) */
+  update?(): Promise<void>
+
+  /** Fetch override */
+  fetch?: typeof fetch
+}
+
+export const { use: usePlatform, provider: PlatformProvider } = createSimpleContext({
+  name: "Platform",
+  init: (props: { value: Platform }) => {
+    return props.value
+  },
+})
diff --git a/packages/app/src/context/prompt.tsx b/packages/app/src/context/prompt.tsx
new file mode 100644
index 000000000..8d3590cd9
--- /dev/null
+++ b/packages/app/src/context/prompt.tsx
@@ -0,0 +1,111 @@
+import { createStore } from "solid-js/store"
+import { createSimpleContext } from "@opencode-ai/ui/context"
+import { batch, createMemo } from "solid-js"
+import { useParams } from "@solidjs/router"
+import { TextSelection } from "./local"
+import { persisted } from "@/utils/persist"
+
+interface PartBase {
+  content: string
+  start: number
+  end: number
+}
+
+export interface TextPart extends PartBase {
+  type: "text"
+}
+
+export interface FileAttachmentPart extends PartBase {
+  type: "file"
+  path: string
+  selection?: TextSelection
+}
+
+export interface ImageAttachmentPart {
+  type: "image"
+  id: string
+  filename: string
+  mime: string
+  dataUrl: string
+}
+
+export type ContentPart = TextPart | FileAttachmentPart | ImageAttachmentPart
+export type Prompt = ContentPart[]
+
+export const DEFAULT_PROMPT: Prompt = [{ type: "text", content: "", start: 0, end: 0 }]
+
+export function isPromptEqual(promptA: Prompt, promptB: Prompt): boolean {
+  if (promptA.length !== promptB.length) return false
+  for (let i = 0; i < promptA.length; i++) {
+    const partA = promptA[i]
+    const partB = promptB[i]
+    if (partA.type !== partB.type) return false
+    if (partA.type === "text" && partA.content !== (partB as TextPart).content) {
+      return false
+    }
+    if (partA.type === "file" && partA.path !== (partB as FileAttachmentPart).path) {
+      return false
+    }
+    if (partA.type === "image" && partA.id !== (partB as ImageAttachmentPart).id) {
+      return false
+    }
+  }
+  return true
+}
+
+function cloneSelection(selection?: TextSelection) {
+  if (!selection) return undefined
+  return { ...selection }
+}
+
+function clonePart(part: ContentPart): ContentPart {
+  if (part.type === "text") return { ...part }
+  if (part.type === "image") return { ...part }
+  return {
+    ...part,
+    selection: cloneSelection(part.selection),
+  }
+}
+
+function clonePrompt(prompt: Prompt): Prompt {
+  return prompt.map(clonePart)
+}
+
+export const { use: usePrompt, provider: PromptProvider } = createSimpleContext({
+  name: "Prompt",
+  init: () => {
+    const params = useParams()
+    const name = createMemo(() => `${params.dir}/prompt${params.id ? "/" + params.id : ""}.v1`)
+
+    const [store, setStore, _, ready] = persisted(
+      name(),
+      createStore<{
+        prompt: Prompt
+        cursor?: number
+      }>({
+        prompt: clonePrompt(DEFAULT_PROMPT),
+        cursor: undefined,
+      }),
+    )
+
+    return {
+      ready,
+      current: createMemo(() => store.prompt),
+      cursor: createMemo(() => store.cursor),
+      dirty: createMemo(() => !isPromptEqual(store.prompt, DEFAULT_PROMPT)),
+      set(prompt: Prompt, cursorPosition?: number) {
+        const next = clonePrompt(prompt)
+        batch(() => {
+          setStore("prompt", next)
+          if (cursorPosition !== undefined) setStore("cursor", cursorPosition)
+        })
+      },
+      reset() {
+        batch(() => {
+          setStore("prompt", clonePrompt(DEFAULT_PROMPT))
+          setStore("cursor", 0)
+        })
+      },
+    }
+  },
+})
diff --git a/packages/app/src/context/sdk.tsx b/packages/app/src/context/sdk.tsx
new file mode 100644
index 000000000..4d1c797c9
--- /dev/null
+++ b/packages/app/src/context/sdk.tsx
@@ -0,0 +1,30 @@
+import { createOpencodeClient, type Event } from "@opencode-ai/sdk/v2/client"
+import { createSimpleContext } from "@opencode-ai/ui/context"
+import { createGlobalEmitter } from "@solid-primitives/event-bus"
+import { useGlobalSDK } from "./global-sdk"
+import { usePlatform } from "./platform"
+
+export const { use: useSDK, provider: SDKProvider } = createSimpleContext({
+  name: "SDK",
+  init: (props: { directory: string }) => {
+    const platform = usePlatform()
+    const globalSDK = useGlobalSDK()
+    const sdk = createOpencodeClient({
+      baseUrl: globalSDK.url,
+      signal: AbortSignal.timeout(1000 * 60 * 10),
+      fetch: platform.fetch,
+      directory: props.directory,
+      throwOnError: true,
+    })
+
+    const emitter = createGlobalEmitter<{
+      [key in Event["type"]]: Extract<Event, { type: key }>
+    }>()
+
+    globalSDK.event.on(props.directory, async (event) => {
+      emitter.emit(event.type, event)
+    })
+
+    return { directory: props.directory, client: sdk, event: emitter, url: globalSDK.url }
+  },
+})
diff --git a/packages/app/src/context/sync.tsx b/packages/app/src/context/sync.tsx
new file mode 100644
index 000000000..941b8b629
--- /dev/null
+++ b/packages/app/src/context/sync.tsx
@@ -0,0 +1,114 @@
+import { produce } from "solid-js/store"
+import { createMemo } from "solid-js"
+import { Binary } from "@opencode-ai/util/binary"
+import { retry } from "@opencode-ai/util/retry"
+import { createSimpleContext } from "@opencode-ai/ui/context"
+import { useGlobalSync } from "./global-sync"
+import { useSDK } from "./sdk"
+import type { Message, Part } from "@opencode-ai/sdk/v2/client"
+
+export const { use: useSync, provider: SyncProvider } = createSimpleContext({
+  name: "Sync",
+  init: () => {
+    const globalSync = useGlobalSync()
+    const sdk = useSDK()
+    const [store, setStore] = globalSync.child(sdk.directory)
+    const absolute = (path: string) => (store.path.directory + "/" + path).replace("//", "/")
+
+    return {
+      data: store,
+      set: setStore,
+      get ready() {
+        return store.ready
+      },
+      get project() {
+        const match = Binary.search(globalSync.data.project, store.project, (p) => p.id)
+        if (match.found) return globalSync.data.project[match.index]
+        return undefined
+      },
+      session: {
+        get(sessionID: string) {
+          const match = Binary.search(store.session, sessionID, (s) => s.id)
+          if (match.found) return store.session[match.index]
+          return undefined
+        },
+        addOptimisticMessage(input: {
+          sessionID: string
+          messageID: string
+          parts: Part[]
+          agent: string
+          model: { providerID: string; modelID: string }
+        }) {
+          const message: Message = {
+            id: input.messageID,
+            sessionID: input.sessionID,
+            role: "user",
+            time: { created: Date.now() },
+            agent: input.agent,
+            model: input.model,
+          }
+          setStore(
+            produce((draft) => {
+              const messages = draft.message[input.sessionID]
+              if (!messages) {
+                draft.message[input.sessionID] = [message]
+              } else {
+                const result = Binary.search(messages, input.messageID, (m) => m.id)
+                messages.splice(result.index, 0, message)
+              }
+              draft.part[input.messageID] = input.parts.slice()
+            }),
+          )
+        },
+        async sync(sessionID: string, _isRetry = false) {
+          const [session, messages, todo, diff] = await Promise.all([
+            retry(() => sdk.client.session.get({ sessionID })),
+            retry(() => sdk.client.session.messages({ sessionID, limit: 100 })),
+            retry(() => sdk.client.session.todo({ sessionID })),
+            retry(() => sdk.client.session.diff({ sessionID })),
+          ])
+          setStore(
+            produce((draft) => {
+              const match = Binary.search(draft.session, sessionID, (s) => s.id)
+              if (match.found) draft.session[match.index] = session.data!
+              if (!match.found) draft.session.splice(match.index, 0, session.data!)
+              draft.todo[sessionID] = todo.data ?? []
+              draft.message[sessionID] = messages
+                .data!.map((x) => x.info)
+                .slice()
+                .sort((a, b) => a.id.localeCompare(b.id))
+              for (const message of messages.data!) {
+                draft.part[message.info.id] = message.parts.slice().sort((a, b) => a.id.localeCompare(b.id))
+              }
+              draft.session_diff[sessionID] = diff.data ?? []
+            }),
+          )
+        },
+        fetch: async (count = 10) => {
+          setStore("limit", (x) => x + count)
+          await sdk.client.session.list().then((x) => {
+            const sessions = (x.data ?? [])
+              .slice()
+              .sort((a, b) => a.id.localeCompare(b.id))
+              .slice(0, store.limit)
+            setStore("session", sessions)
+          })
+        },
+        more: createMemo(() => store.session.length >= store.limit),
+        archive: async (sessionID: string) => {
+          await sdk.client.session.update({ sessionID, time: { archived: Date.now() } })
+          setStore(
+            produce((draft) => {
+              const match = Binary.search(draft.session, sessionID, (s) => s.id)
+              if (match.found) draft.session.splice(match.index, 1)
+            }),
+          )
+        },
+      },
+      absolute,
+      get directory() {
+        return store.path.directory
+      },
+    }
+  },
+})
diff --git a/packages/app/src/context/terminal.tsx b/packages/app/src/context/terminal.tsx
new file mode 100644
index 000000000..6f7c11dea
--- /dev/null
+++ b/packages/app/src/context/terminal.tsx
@@ -0,0 +1,105 @@
+import { createStore, produce } from "solid-js/store"
+import { createSimpleContext } from "@opencode-ai/ui/context"
+import { batch, createMemo } from "solid-js"
+import { useParams } from "@solidjs/router"
+import { useSDK } from "./sdk"
+import { persisted } from "@/utils/persist"
+
+export type LocalPTY = {
+  id: string
+  title: string
+  rows?: number
+  cols?: number
+  buffer?: string
+  scrollY?: number
+}
+
+export const { use: useTerminal, provider: TerminalProvider } = createSimpleContext({
+  name: "Terminal",
+  init: () => {
+    const sdk = useSDK()
+    const params = useParams()
+    const name = createMemo(() => `${params.dir}/terminal${params.id ? "/" + params.id : ""}.v1`)
+
+    const [store, setStore, _, ready] = persisted(
+      name(),
+      createStore<{
+        active?: string
+        all: LocalPTY[]
+      }>({
+        all: [],
+      }),
+    )
+
+    return {
+      ready,
+      all: createMemo(() => Object.values(store.all)),
+      active: createMemo(() => store.active),
+      new() {
+        sdk.client.pty.create({ title: `Terminal ${store.all.length + 1}` }).then((pty) => {
+          const id = pty.data?.id
+          if (!id) return
+          setStore("all", [
+            ...store.all,
+            {
+              id,
+              title: pty.data?.title ?? "Terminal",
+            },
+          ])
+          setStore("active", id)
+        })
+      },
+      update(pty: Partial<LocalPTY> & { id: string }) {
+        setStore("all", (x) => x.map((x) => (x.id === pty.id ? { ...x, ...pty } : x)))
+        sdk.client.pty.update({
+          ptyID: pty.id,
+          title: pty.title,
+          size: pty.cols && pty.rows ? { rows: pty.rows, cols: pty.cols } : undefined,
+        })
+      },
+      async clone(id: string) {
+        const index = store.all.findIndex((x) => x.id === id)
+        const pty = store.all[index]
+        if (!pty) return
+        const clone = await sdk.client.pty.create({
+          title: pty.title,
+        })
+        if (!clone.data) return
+        setStore("all", index, {
+          ...pty,
+          ...clone.data,
+        })
+        if (store.active === pty.id) {
+          setStore("active", clone.data.id)
+        }
+      },
+      open(id: string) {
+        setStore("active", id)
+      },
+      async close(id: string) {
+        batch(() => {
+          setStore(
+            "all",
+            store.all.filter((x) => x.id !== id),
+          )
+          if (store.active === id) {
+            const index = store.all.findIndex((f) => f.id === id)
+            const previous = store.all[Math.max(0, index - 1)]
+            setStore("active", previous?.id)
+          }
+        })
+        await sdk.client.pty.remove({ ptyID: id })
+      },
+      move(id: string, to: number) {
+        const index = store.all.findIndex((f) => f.id === id)
+        if (index === -1) return
+        setStore(
+          "all",
+          produce((all) => {
+            all.splice(to, 0, all.splice(index, 1)[0])
+          }),
+        )
+      },
+    }
+  },
+})
diff --git a/packages/app/src/custom-elements.d.ts b/packages/app/src/custom-elements.d.ts
new file mode 120000
index 000000000..e4ea0d6ce
--- /dev/null
+++ b/packages/app/src/custom-elements.d.ts
@@ -0,0 +1 @@
+../../ui/src/custom-elements.d.ts
\ No newline at end of file
diff --git a/packages/app/src/entry.tsx b/packages/app/src/entry.tsx
new file mode 100644
index 000000000..ecbce9815
--- /dev/null
+++ b/packages/app/src/entry.tsx
@@ -0,0 +1,30 @@
+// @refresh reload
+import { render } from "solid-js/web"
+import { App } from "@/app"
+import { Platform, PlatformProvider } from "@/context/platform"
+
+const root = document.getElementById("root")
+if (import.meta.env.DEV && !(root instanceof HTMLElement)) {
+  throw new Error(
+    "Root element not found. Did you forget to add it to your index.html? Or maybe the id attribute got misspelled?",
+  )
+}
+
+const platform: Platform = {
+  platform: "web",
+  openLink(url: string) {
+    window.open(url, "_blank")
+  },
+  restart: async () => {
+    window.location.reload()
+  },
+}
+
+render(
+  () => (
+    <PlatformProvider value={platform}>
+      <App />
+    </PlatformProvider>
+  ),
+  root!,
+)
diff --git a/packages/app/src/env.d.ts b/packages/app/src/env.d.ts
new file mode 100644
index 000000000..ad575e93b
--- /dev/null
+++ b/packages/app/src/env.d.ts
@@ -0,0 +1,8 @@
+interface ImportMetaEnv {
+  readonly VITE_OPENCODE_SERVER_HOST: string
+  readonly VITE_OPENCODE_SERVER_PORT: string
+}
+
+interface ImportMeta {
+  readonly env: ImportMetaEnv
+}
diff --git a/packages/app/src/hooks/use-providers.ts b/packages/app/src/hooks/use-providers.ts
new file mode 100644
index 000000000..4a73fa055
--- /dev/null
+++ b/packages/app/src/hooks/use-providers.ts
@@ -0,0 +1,31 @@
+import { useGlobalSync } from "@/context/global-sync"
+import { base64Decode } from "@opencode-ai/util/encode"
+import { useParams } from "@solidjs/router"
+import { createMemo } from "solid-js"
+
+export const popularProviders = ["opencode", "anthropic", "github-copilot", "openai", "google", "openrouter", "vercel"]
+
+export function useProviders() {
+  const globalSync = useGlobalSync()
+  const params = useParams()
+  const currentDirectory = createMemo(() => base64Decode(params.dir ?? ""))
+  const providers = createMemo(() => {
+    if (currentDirectory()) {
+      const [projectStore] = globalSync.child(currentDirectory())
+      return projectStore.provider
+    }
+    return globalSync.data.provider
+  })
+  const connected = createMemo(() => providers().all.filter((p) => providers().connected.includes(p.id)))
+  const paid = createMemo(() =>
+    connected().filter((p) => p.id !== "opencode" || Object.values(p.models).find((m) => m.cost?.input)),
+  )
+  const popular = createMemo(() => providers().all.filter((p) => popularProviders.includes(p.id)))
+  return {
+    all: createMemo(() => providers().all),
+    default: createMemo(() => providers().default),
+    popular,
+    connected,
+    paid,
+  }
+}
diff --git a/packages/app/src/index.css b/packages/app/src/index.css
new file mode 100644
index 000000000..e40f0842b
--- /dev/null
+++ b/packages/app/src/index.css
@@ -0,0 +1,7 @@
+@import "@opencode-ai/ui/styles/tailwind";
+
+:root {
+  a {
+    cursor: default;
+  }
+}
diff --git a/packages/app/src/index.ts b/packages/app/src/index.ts
new file mode 100644
index 000000000..cf5be9f51
--- /dev/null
+++ b/packages/app/src/index.ts
@@ -0,0 +1,2 @@
+export { PlatformProvider, type Platform } from "./context/platform"
+export { App } from "./app"
diff --git a/packages/app/src/pages/directory-layout.tsx b/packages/app/src/pages/directory-layout.tsx
new file mode 100644
index 000000000..c909a373d
--- /dev/null
+++ b/packages/app/src/pages/directory-layout.tsx
@@ -0,0 +1,31 @@
+import { createMemo, Show, type ParentProps } from "solid-js"
+import { useParams } from "@solidjs/router"
+import { SDKProvider } from "@/context/sdk"
+import { SyncProvider, useSync } from "@/context/sync"
+import { LocalProvider } from "@/context/local"
+import { base64Decode } from "@opencode-ai/util/encode"
+import { DataProvider } from "@opencode-ai/ui/context"
+import { iife } from "@opencode-ai/util/iife"
+
+export default function Layout(props: ParentProps) {
+  const params = useParams()
+  const directory = createMemo(() => {
+    return base64Decode(params.dir!)
+  })
+  return (
+    <Show when={params.dir} keyed>
+      <SDKProvider directory={directory()}>
+        <SyncProvider>
+          {iife(() => {
+            const sync = useSync()
+            return (
+              <DataProvider data={sync.data} directory={directory()}>
+                <LocalProvider>{props.children}</LocalProvider>
+              </DataProvider>
+            )
+          })}
+        </SyncProvider>
+      </SDKProvider>
+    </Show>
+  )
+}
diff --git a/packages/app/src/pages/error.tsx b/packages/app/src/pages/error.tsx
new file mode 100644
index 000000000..9914279ad
--- /dev/null
+++ b/packages/app/src/pages/error.tsx
@@ -0,0 +1,155 @@
+import { TextField } from "@opencode-ai/ui/text-field"
+import { Logo } from "@opencode-ai/ui/logo"
+import { Button } from "@opencode-ai/ui/button"
+import { Component } from "solid-js"
+import { usePlatform } from "@/context/platform"
+import { Icon } from "@opencode-ai/ui/icon"
+
+export type InitError = {
+  name: string
+  data: Record<string, unknown>
+}
+
+function isInitError(error: unknown): error is InitError {
+  return (
+    typeof error === "object" &&
+    error !== null &&
+    "name" in error &&
+    "data" in error &&
+    typeof (error as InitError).data === "object"
+  )
+}
+
+function formatInitError(error: InitError): string {
+  const data = error.data
+  switch (error.name) {
+    case "MCPFailed":
+      return `MCP server "${data.name}" failed. Note, opencode does not support MCP authentication yet.`
+    case "ProviderModelNotFoundError": {
+      const { providerID, modelID, suggestions } = data as {
+        providerID: string
+        modelID: string
+        suggestions?: string[]
+      }
+      return [
+        `Model not found: ${providerID}/${modelID}`,
+        ...(Array.isArray(suggestions) && suggestions.length ? ["Did you mean: " + suggestions.join(", ")] : []),
+        `Check your config (opencode.json) provider/model names`,
+      ].join("\n")
+    }
+    case "ProviderInitError":
+      return `Failed to initialize provider "${data.providerID}". Check credentials and configuration.`
+    case "ConfigJsonError":
+      return `Config file at ${data.path} is not valid JSON(C)` + (data.message ? `: ${data.message}` : "")
+    case "ConfigDirectoryTypoError":
+      return `Directory "${data.dir}" in ${data.path} is not valid. Rename the directory to "${data.suggestion}" or remove it. This is a common typo.`
+    case "ConfigFrontmatterError":
+      return `Failed to parse frontmatter in ${data.path}:\n${data.message}`
+    case "ConfigInvalidError": {
+      const issues = Array.isArray(data.issues)
+        ? data.issues.map(
+            (issue: { message: string; path: string[] }) => "↳ " + issue.message + " " + issue.path.join("."),
+          )
+        : []
+      return [`Config file at ${data.path} is invalid` + (data.message ? `: ${data.message}` : ""), ...issues].join(
+        "\n",
+      )
+    }
+    case "UnknownError":
+      return String(data.message)
+    default:
+      return data.message ? String(data.message) : JSON.stringify(data, null, 2)
+  }
+}
+
+function formatErrorChain(error: unknown, depth = 0, parentMessage?: string): string {
+  if (!error) return "Unknown error"
+
+  if (isInitError(error)) {
+    const message = formatInitError(error)
+    if (depth > 0 && parentMessage === message) return ""
+    const indent = depth > 0 ? `\n${"─".repeat(40)}\nCaused by:\n` : ""
+    return indent + message
+  }
+
+  if (error instanceof Error) {
+    const isDuplicate = depth > 0 && parentMessage === error.message
+    const parts: string[] = []
+    const indent = depth > 0 ? `\n${"─".repeat(40)}\nCaused by:\n` : ""
+
+    if (!isDuplicate) {
+      // Stack already includes error name and message, so prefer it
+      parts.push(indent + (error.stack ?? `${error.name}: ${error.message}`))
+    } else if (error.stack) {
+      // Duplicate message - only show the stack trace lines (skip message)
+      const trace = error.stack.split("\n").slice(1).join("\n").trim()
+      if (trace) {
+        parts.push(trace)
+      }
+    }
+
+    if (error.cause) {
+      const causeResult = formatErrorChain(error.cause, depth + 1, error.message)
+      if (causeResult) {
+        parts.push(causeResult)
+      }
+    }
+
+    return parts.join("\n\n")
+  }
+
+  if (typeof error === "string") {
+    if (depth > 0 && parentMessage === error) return ""
+    const indent = depth > 0 ? `\n${"─".repeat(40)}\nCaused by:\n` : ""
+    return indent + error
+  }
+
+  const indent = depth > 0 ? `\n${"─".repeat(40)}\nCaused by:\n` : ""
+  return indent + JSON.stringify(error, null, 2)
+}
+
+function formatError(error: unknown): string {
+  return formatErrorChain(error, 0)
+}
+
+interface ErrorPageProps {
+  error: unknown
+}
+
+export const ErrorPage: Component<ErrorPageProps> = (props) => {
+  const platform = usePlatform()
+  return (
+    <div class="relative flex-1 h-screen w-screen min-h-0 flex flex-col items-center justify-center bg-background-base font-sans">
+      <div class="w-2/3 max-w-3xl flex flex-col items-center justify-center gap-8">
+        <Logo class="w-58.5 opacity-12 shrink-0" />
+        <div class="flex flex-col items-center gap-2 text-center">
+          <h1 class="text-lg font-medium text-text-strong">Something went wrong</h1>
+          <p class="text-sm text-text-weak">An error occurred while loading the application.</p>
+        </div>
+        <TextField
+          value={formatError(props.error)}
+          readOnly
+          copyable
+          multiline
+          class="max-h-96 w-full font-mono text-xs no-scrollbar whitespace-pre"
+          label="Error Details"
+          hideLabel
+        />
+        <Button size="large" onClick={platform.restart}>
+          Restart
+        </Button>
+        <div class="flex items-center justify-center gap-1">
+          Please report this error to the OpenCode team
+          <button
+            type="button"
+            class="flex items-center text-text-interactive-base gap-1"
+            onClick={() => platform.openLink("https://opencode.ai/desktop-feedback")}
+          >
+            <div>on Discord</div>
+            <Icon name="discord" class="text-text-interactive-base" />
+          </button>
+        </div>
+      </div>
+    </div>
+  )
+}
diff --git a/packages/app/src/pages/home.tsx b/packages/app/src/pages/home.tsx
new file mode 100644
index 000000000..7cd2916e8
--- /dev/null
+++ b/packages/app/src/pages/home.tsx
@@ -0,0 +1,93 @@
+import { useGlobalSync } from "@/context/global-sync"
+import { createMemo, For, Match, Show, Switch } from "solid-js"
+import { Button } from "@opencode-ai/ui/button"
+import { Logo } from "@opencode-ai/ui/logo"
+import { useLayout } from "@/context/layout"
+import { useNavigate } from "@solidjs/router"
+import { base64Encode } from "@opencode-ai/util/encode"
+import { Icon } from "@opencode-ai/ui/icon"
+import { usePlatform } from "@/context/platform"
+import { DateTime } from "luxon"
+
+export default function Home() {
+  const sync = useGlobalSync()
+  const layout = useLayout()
+  const platform = usePlatform()
+  const navigate = useNavigate()
+  const homedir = createMemo(() => sync.data.path.home)
+
+  function openProject(directory: string) {
+    layout.projects.open(directory)
+    navigate(`/${base64Encode(directory)}`)
+  }
+
+  async function chooseProject() {
+    const result = await platform.openDirectoryPickerDialog?.({
+      title: "Open project",
+      multiple: true,
+    })
+    if (Array.isArray(result)) {
+      for (const directory of result) {
+        openProject(directory)
+      }
+    } else if (result) {
+      openProject(result)
+    }
+  }
+
+  return (
+    <div class="mx-auto mt-55">
+      <Logo class="w-xl opacity-12" />
+      <Switch>
+        <Match when={sync.data.project.length > 0}>
+          <div class="mt-20 w-full flex flex-col gap-4">
+            <div class="flex gap-2 items-center justify-between pl-3">
+              <div class="text-14-medium text-text-strong">Recent projects</div>
+              <Show when={platform.openDirectoryPickerDialog}>
+                <Button icon="folder-add-left" size="normal" class="pl-2 pr-3" onClick={chooseProject}>
+                  Open project
+                </Button>
+              </Show>
+            </div>
+            <ul class="flex flex-col gap-2">
+              <For
+                each={sync.data.project
+                  .toSorted((a, b) => (b.time.updated ?? b.time.created) - (a.time.updated ?? a.time.created))
+                  .slice(0, 5)}
+              >
+                {(project) => (
+                  <Button
+                    size="large"
+                    variant="ghost"
+                    class="text-14-mono text-left justify-between px-3"
+                    onClick={() => openProject(project.worktree)}
+                  >
+                    {project.worktree.replace(homedir(), "~")}
+                    <div class="text-14-regular text-text-weak">
+                      {DateTime.fromMillis(project.time.updated ?? project.time.created).toRelative()}
+                    </div>
+                  </Button>
+                )}
+              </For>
+            </ul>
+          </div>
+        </Match>
+        <Match when={true}>
+          <div class="mt-30 mx-auto flex flex-col items-center gap-3">
+            <Icon name="folder-add-left" size="large" />
+            <div class="flex flex-col gap-1 items-center justify-center">
+              <div class="text-14-medium text-text-strong">No recent projects</div>
+              <div class="text-12-regular text-text-weak">Get started by opening a local project</div>
+            </div>
+            <div />
+            <Show when={platform.openDirectoryPickerDialog}>
+              <Button class="px-3" onClick={chooseProject}>
+                Open project
+              </Button>
+            </Show>
+          </div>
+        </Match>
+      </Switch>
+    </div>
+  )
+}
diff --git a/packages/app/src/pages/layout.tsx b/packages/app/src/pages/layout.tsx
new file mode 100644
index 000000000..489899f88
--- /dev/null
+++ b/packages/app/src/pages/layout.tsx
@@ -0,0 +1,904 @@
+import {
+  createEffect,
+  createMemo,
+  createSignal,
+  For,
+  Match,
+  onCleanup,
+  onMount,
+  ParentProps,
+  Show,
+  Switch,
+  type JSX,
+} from "solid-js"
+import { DateTime } from "luxon"
+import { A, useNavigate, useParams } from "@solidjs/router"
+import { useLayout, getAvatarColors, LocalProject } from "@/context/layout"
+import { useGlobalSync } from "@/context/global-sync"
+import { base64Decode, base64Encode } from "@opencode-ai/util/encode"
+import { Avatar } from "@opencode-ai/ui/avatar"
+import { ResizeHandle } from "@opencode-ai/ui/resize-handle"
+import { Button } from "@opencode-ai/ui/button"
+import { Icon } from "@opencode-ai/ui/icon"
+import { IconButton } from "@opencode-ai/ui/icon-button"
+import { Tooltip } from "@opencode-ai/ui/tooltip"
+import { Collapsible } from "@opencode-ai/ui/collapsible"
+import { DiffChanges } from "@opencode-ai/ui/diff-changes"
+import { Spinner } from "@opencode-ai/ui/spinner"
+import { getFilename } from "@opencode-ai/util/path"
+import { DropdownMenu } from "@opencode-ai/ui/dropdown-menu"
+import { Session } from "@opencode-ai/sdk/v2/client"
+import { usePlatform } from "@/context/platform"
+import { createStore, produce } from "solid-js/store"
+import {
+  DragDropProvider,
+  DragDropSensors,
+  DragOverlay,
+  SortableProvider,
+  closestCenter,
+  createSortable,
+} from "@thisbeyond/solid-dnd"
+import type { DragEvent } from "@thisbeyond/solid-dnd"
+import { useProviders } from "@/hooks/use-providers"
+import { showToast, Toast } from "@opencode-ai/ui/toast"
+import { useGlobalSDK } from "@/context/global-sdk"
+import { useNotification } from "@/context/notification"
+import { Binary } from "@opencode-ai/util/binary"
+import { Header } from "@/components/header"
+import { useDialog } from "@opencode-ai/ui/context/dialog"
+import { DialogSelectProvider } from "@/components/dialog-select-provider"
+import { useCommand } from "@/context/command"
+import { ConstrainDragXAxis } from "@/utils/solid-dnd"
+
+export default function Layout(props: ParentProps) {
+  const [store, setStore] = createStore({
+    lastSession: {} as { [directory: string]: string },
+    activeDraggable: undefined as string | undefined,
+    mobileSidebarOpen: false,
+    mobileProjectsExpanded: {} as Record<string, boolean>,
+  })
+
+  const mobileSidebar = {
+    open: () => store.mobileSidebarOpen,
+    show: () => setStore("mobileSidebarOpen", true),
+    hide: () => setStore("mobileSidebarOpen", false),
+    toggle: () => setStore("mobileSidebarOpen", (x) => !x),
+  }
+
+  const mobileProjects = {
+    expanded: (directory: string) => store.mobileProjectsExpanded[directory] ?? true,
+    expand: (directory: string) => setStore("mobileProjectsExpanded", directory, true),
+    collapse: (directory: string) => setStore("mobileProjectsExpanded", directory, false),
+  }
+
+  let scrollContainerRef: HTMLDivElement | undefined
+  const xlQuery = window.matchMedia("(min-width: 1280px)")
+  const [isLargeViewport, setIsLargeViewport] = createSignal(xlQuery.matches)
+  const handleViewportChange = (e: MediaQueryListEvent) => setIsLargeViewport(e.matches)
+  xlQuery.addEventListener("change", handleViewportChange)
+  onCleanup(() => xlQuery.removeEventListener("change", handleViewportChange))
+
+  const params = useParams()
+  const globalSDK = useGlobalSDK()
+  const globalSync = useGlobalSync()
+  const layout = useLayout()
+  const platform = usePlatform()
+  const notification = useNotification()
+  const navigate = useNavigate()
+  const providers = useProviders()
+  const dialog = useDialog()
+  const command = useCommand()
+
+  onMount(async () => {
+    if (platform.checkUpdate && platform.update && platform.restart) {
+      const { updateAvailable, version } = await platform.checkUpdate()
+      if (updateAvailable) {
+        showToast({
+          persistent: true,
+          icon: "download",
+          title: "Update available",
+          description: `A new version of OpenCode (${version}) is now available to install.`,
+          actions: [
+            {
+              label: "Install and restart",
+              onClick: async () => {
+                await platform.update!()
+                await platform.restart!()
+              },
+            },
+            {
+              label: "Not yet",
+              onClick: "dismiss",
+            },
+          ],
+        })
+      }
+    }
+  })
+
+  function flattenSessions(sessions: Session[]): Session[] {
+    const childrenMap = new Map<string, Session[]>()
+    for (const session of sessions) {
+      if (session.parentID) {
+        const children = childrenMap.get(session.parentID) ?? []
+        children.push(session)
+        childrenMap.set(session.parentID, children)
+      }
+    }
+    const result: Session[] = []
+    function visit(session: Session) {
+      result.push(session)
+      for (const child of childrenMap.get(session.id) ?? []) {
+        visit(child)
+      }
+    }
+    for (const session of sessions) {
+      if (!session.parentID) visit(session)
+    }
+    return result
+  }
+
+  function scrollToSession(sessionId: string) {
+    if (!scrollContainerRef) return
+    const element = scrollContainerRef.querySelector(`[data-session-id="${sessionId}"]`)
+    if (element) {
+      element.scrollIntoView({ block: "center", behavior: "smooth" })
+    }
+  }
+
+  function projectSessions(directory: string) {
+    if (!directory) return []
+    const sessions = globalSync
+      .child(directory)[0]
+      .session.toSorted((a, b) => (b.time.updated ?? b.time.created) - (a.time.updated ?? a.time.created))
+    return flattenSessions(sessions ?? [])
+  }
+
+  const currentSessions = createMemo(() => {
+    if (!params.dir) return []
+    const directory = base64Decode(params.dir)
+    return projectSessions(directory)
+  })
+
+  function navigateSessionByOffset(offset: number) {
+    const projects = layout.projects.list()
+    if (projects.length === 0) return
+
+    const currentDirectory = params.dir ? base64Decode(params.dir) : undefined
+    const projectIndex = currentDirectory ? projects.findIndex((p) => p.worktree === currentDirectory) : -1
+
+    if (projectIndex === -1) {
+      const targetProject = offset > 0 ? projects[0] : projects[projects.length - 1]
+      if (targetProject) navigateToProject(targetProject.worktree)
+      return
+    }
+
+    const sessions = currentSessions()
+    const sessionIndex = params.id ? sessions.findIndex((s) => s.id === params.id) : -1
+
+    let targetIndex: number
+    if (sessionIndex === -1) {
+      targetIndex = offset > 0 ? 0 : sessions.length - 1
+    } else {
+      targetIndex = sessionIndex + offset
+    }
+
+    if (targetIndex >= 0 && targetIndex < sessions.length) {
+      const session = sessions[targetIndex]
+      navigateToSession(session)
+      queueMicrotask(() => scrollToSession(session.id))
+      return
+    }
+
+    const nextProjectIndex = projectIndex + (offset > 0 ? 1 : -1)
+    const nextProject = projects[nextProjectIndex]
+    if (!nextProject) return
+
+    const nextProjectSessions = projectSessions(nextProject.worktree)
+    if (nextProjectSessions.length === 0) {
+      navigateToProject(nextProject.worktree)
+      return
+    }
+
+    const targetSession = offset > 0 ? nextProjectSessions[0] : nextProjectSessions[nextProjectSessions.length - 1]
+    navigate(`/${base64Encode(nextProject.worktree)}/session/${targetSession.id}`)
+    queueMicrotask(() => scrollToSession(targetSession.id))
+  }
+
+  async function archiveSession(session: Session) {
+    const [store, setStore] = globalSync.child(session.directory)
+    const sessions = store.session ?? []
+    const index = sessions.findIndex((s) => s.id === session.id)
+    const nextSession = sessions[index + 1] ?? sessions[index - 1]
+
+    await globalSDK.client.session.update({
+      directory: session.directory,
+      sessionID: session.id,
+      time: { archived: Date.now() },
+    })
+    setStore(
+      produce((draft) => {
+        const match = Binary.search(draft.session, session.id, (s) => s.id)
+        if (match.found) draft.session.splice(match.index, 1)
+      }),
+    )
+    if (session.id === params.id) {
+      if (nextSession) {
+        navigate(`/${params.dir}/session/${nextSession.id}`)
+      } else {
+        navigate(`/${params.dir}/session`)
+      }
+    }
+  }
+
+  command.register(() => [
+    {
+      id: "sidebar.toggle",
+      title: "Toggle sidebar",
+      category: "View",
+      keybind: "mod+b",
+      onSelect: () => layout.sidebar.toggle(),
+    },
+    ...(platform.openDirectoryPickerDialog
+      ? [
+          {
+            id: "project.open",
+            title: "Open project",
+            category: "Project",
+            keybind: "mod+o",
+            onSelect: () => chooseProject(),
+          },
+        ]
+      : []),
+    {
+      id: "provider.connect",
+      title: "Connect provider",
+      category: "Provider",
+      onSelect: () => connectProvider(),
+    },
+    {
+      id: "session.previous",
+      title: "Previous session",
+      category: "Session",
+      keybind: "alt+arrowup",
+      onSelect: () => navigateSessionByOffset(-1),
+    },
+    {
+      id: "session.next",
+      title: "Next session",
+      category: "Session",
+      keybind: "alt+arrowdown",
+      onSelect: () => navigateSessionByOffset(1),
+    },
+    {
+      id: "session.archive",
+      title: "Archive session",
+      category: "Session",
+      keybind: "mod+shift+backspace",
+      disabled: !params.dir || !params.id,
+      onSelect: () => {
+        const session = currentSessions().find((s) => s.id === params.id)
+        if (session) archiveSession(session)
+      },
+    },
+  ])
+
+  function connectProvider() {
+    dialog.show(() => <DialogSelectProvider />)
+  }
+
+  function navigateToProject(directory: string | undefined) {
+    if (!directory) return
+    const lastSession = store.lastSession[directory]
+    navigate(`/${base64Encode(directory)}${lastSession ? `/session/${lastSession}` : ""}`)
+    mobileSidebar.hide()
+  }
+
+  function navigateToSession(session: Session | undefined) {
+    if (!session) return
+    navigate(`/${params.dir}/session/${session?.id}`)
+    mobileSidebar.hide()
+  }
+
+  function openProject(directory: string, navigate = true) {
+    layout.projects.open(directory)
+    if (navigate) navigateToProject(directory)
+  }
+
+  function closeProject(directory: string) {
+    const index = layout.projects.list().findIndex((x) => x.worktree === directory)
+    const next = layout.projects.list()[index + 1]
+    layout.projects.close(directory)
+    if (next) navigateToProject(next.worktree)
+    else navigate("/")
+  }
+
+  async function chooseProject() {
+    const result = await platform.openDirectoryPickerDialog?.({
+      title: "Open project",
+      multiple: true,
+    })
+    if (Array.isArray(result)) {
+      for (const directory of result) {
+        openProject(directory, false)
+      }
+      navigateToProject(result[0])
+    } else if (result) {
+      openProject(result)
+    }
+  }
+
+  createEffect(() => {
+    if (!params.dir || !params.id) return
+    const directory = base64Decode(params.dir)
+    setStore("lastSession", directory, params.id)
+    notification.session.markViewed(params.id)
+  })
+
+  createEffect(() => {
+    if (isLargeViewport()) {
+      const sidebarWidth = layout.sidebar.opened() ? layout.sidebar.width() : 48
+      document.documentElement.style.setProperty("--dialog-left-margin", `${sidebarWidth}px`)
+    } else {
+      document.documentElement.style.setProperty("--dialog-left-margin", "0px")
+    }
+  })
+
+  function getDraggableId(event: unknown): string | undefined {
+    if (typeof event !== "object" || event === null) return undefined
+    if (!("draggable" in event)) return undefined
+    const draggable = (event as { draggable?: { id?: unknown } }).draggable
+    if (!draggable) return undefined
+    return typeof draggable.id === "string" ? draggable.id : undefined
+  }
+
+  function handleDragStart(event: unknown) {
+    const id = getDraggableId(event)
+    if (!id) return
+    setStore("activeDraggable", id)
+  }
+
+  function handleDragOver(event: DragEvent) {
+    const { draggable, droppable } = event
+    if (draggable && droppable) {
+      const projects = layout.projects.list()
+      const fromIndex = projects.findIndex((p) => p.worktree === draggable.id.toString())
+      const toIndex = projects.findIndex((p) => p.worktree === droppable.id.toString())
+      if (fromIndex !== toIndex && toIndex !== -1) {
+        layout.projects.move(draggable.id.toString(), toIndex)
+      }
+    }
+  }
+
+  function handleDragEnd() {
+    setStore("activeDraggable", undefined)
+  }
+
+  const ProjectAvatar = (props: {
+    project: LocalProject
+    class?: string
+    expandable?: boolean
+    notify?: boolean
+  }): JSX.Element => {
+    const notification = useNotification()
+    const notifications = createMemo(() => notification.project.unseen(props.project.worktree))
+    const hasError = createMemo(() => notifications().some((n) => n.type === "error"))
+    const name = createMemo(() => getFilename(props.project.worktree))
+    const mask = "radial-gradient(circle 5px at calc(100% - 2px) 2px, transparent 5px, black 5.5px)"
+    const opencode = "4b0ea68d7af9a6031a7ffda7ad66e0cb83315750"
+
+    return (
+      <div class="relative size-5 shrink-0 rounded-sm">
+        <Avatar
+          fallback={name()}
+          src={props.project.id === opencode ? "https://opencode.ai/favicon.svg" : props.project.icon?.url}
+          {...getAvatarColors(props.project.icon?.color)}
+          class={`size-full ${props.class ?? ""}`}
+          style={
+            notifications().length > 0 && props.notify ? { "-webkit-mask-image": mask, "mask-image": mask } : undefined
+          }
+        />
+        <Show when={props.expandable}>
+          <Icon
+            name="chevron-right"
+            size="normal"
+            class="hidden size-full items-center justify-center text-text-subtle group-hover/session:flex group-data-[expanded]/trigger:rotate-90 transition-transform duration-50"
+          />
+        </Show>
+        <Show when={notifications().length > 0 && props.notify}>
+          <div
+            classList={{
+              "absolute -top-0.5 -right-0.5 size-1.5 rounded-full": true,
+              "bg-icon-critical-base": hasError(),
+              "bg-text-interactive-base": !hasError(),
+            }}
+          />
+        </Show>
+      </div>
+    )
+  }
+
+  const ProjectVisual = (props: { project: LocalProject; class?: string }): JSX.Element => {
+    const name = createMemo(() => getFilename(props.project.worktree))
+    const current = createMemo(() => base64Decode(params.dir ?? ""))
+    return (
+      <Switch>
+        <Match when={layout.sidebar.opened()}>
+          <Button
+            as={"div"}
+            variant="ghost"
+            data-active
+            class="flex items-center justify-between gap-3 w-full px-1 self-stretch h-8 border-none rounded-lg"
+          >
+            <div class="flex items-center gap-3 p-0 text-left min-w-0 grow">
+              <ProjectAvatar project={props.project} />
+              <span class="truncate text-14-medium text-text-strong">{name()}</span>
+            </div>
+          </Button>
+        </Match>
+        <Match when={true}>
+          <Button
+            variant="ghost"
+            size="large"
+            class="flex items-center justify-center p-0 aspect-square border-none rounded-lg"
+            data-selected={props.project.worktree === current()}
+            onClick={() => navigateToProject(props.project.worktree)}
+          >
+            <ProjectAvatar project={props.project} notify />
+          </Button>
+        </Match>
+      </Switch>
+    )
+  }
+
+  const SessionItem = (props: {
+    session: Session
+    slug: string
+    project: LocalProject
+    depth?: number
+    childrenMap: Map<string, Session[]>
+    mobile?: boolean
+  }): JSX.Element => {
+    const notification = useNotification()
+    const depth = props.depth ?? 0
+    const children = createMemo(() => props.childrenMap.get(props.session.id) ?? [])
+    const updated = createMemo(() => DateTime.fromMillis(props.session.time.updated))
+    const notifications = createMemo(() => notification.session.unseen(props.session.id))
+    const hasError = createMemo(() => notifications().some((n) => n.type === "error"))
+    const isWorking = createMemo(() => {
+      if (props.session.id === params.id) return false
+      const status = globalSync.child(props.project.worktree)[0].session_status[props.session.id]
+      return status?.type === "busy" || status?.type === "retry"
+    })
+    return (
+      <>
+        <div
+          data-session-id={props.session.id}
+          class="group/session relative w-full pr-2 py-1 rounded-md cursor-default transition-colors
+                 hover:bg-surface-raised-base-hover focus-within:bg-surface-raised-base-hover has-[.active]:bg-surface-raised-base-hover"
+          style={{ "padding-left": `${16 + depth * 12}px` }}
+        >
+          <Tooltip placement={props.mobile ? "bottom" : "right"} value={props.session.title} gutter={10}>
+            <A
+              href={`${props.slug}/session/${props.session.id}`}
+              class="flex flex-col min-w-0 text-left w-full focus:outline-none"
+            >
+              <div class="flex items-center self-stretch gap-6 justify-between transition-[padding] group-hover/session:pr-7 group-focus-within/session:pr-7 group-active/session:pr-7">
+                <span class="text-14-regular text-text-strong overflow-hidden text-ellipsis truncate">
+                  {props.session.title}
+                </span>
+                <div class="shrink-0 group-hover/session:hidden group-active/session:hidden group-focus-within/session:hidden">
+                  <Switch>
+                    <Match when={isWorking()}>
+                      <Spinner class="size-2.5 mr-0.5" />
+                    </Match>
+                    <Match when={hasError()}>
+                      <div class="size-1.5 mr-1.5 rounded-full bg-text-diff-delete-base" />
+                    </Match>
+                    <Match when={notifications().length > 0}>
+                      <div class="size-1.5 mr-1.5 rounded-full bg-text-interactive-base" />
+                    </Match>
+                    <Match when={true}>
+                      <span class="text-12-regular text-text-weak text-right whitespace-nowrap">
+                        {Math.abs(updated().diffNow().as("seconds")) < 60
+                          ? "Now"
+                          : updated()
+                              .toRelative({
+                                style: "short",
+                                unit: ["days", "hours", "minutes"],
+                              })
+                              ?.replace(" ago", "")
+                              ?.replace(/ days?/, "d")
+                              ?.replace(" min.", "m")
+                              ?.replace(" hr.", "h")}
+                      </span>
+                    </Match>
+                  </Switch>
+                </div>
+              </div>
+              <Show when={props.session.summary?.files}>
+                <div class="flex justify-between items-center self-stretch">
+                  <span class="text-12-regular text-text-weak">{`${props.session.summary?.files || "No"} file${props.session.summary?.files !== 1 ? "s" : ""} changed`}</span>
+                  <Show when={props.session.summary}>{(summary) => <DiffChanges changes={summary()} />}</Show>
+                </div>
+              </Show>
+            </A>
+          </Tooltip>
+          <div class="hidden group-hover/session:flex group-active/session:flex group-focus-within/session:flex text-text-base gap-1 items-center absolute top-1 right-1">
+            <Tooltip placement={props.mobile ? "bottom" : "right"} value="Archive session">
+              <IconButton icon="archive" variant="ghost" onClick={() => archiveSession(props.session)} />
+            </Tooltip>
+          </div>
+        </div>
+        <For each={children()}>
+          {(child) => (
+            <SessionItem
+              session={child}
+              slug={props.slug}
+              project={props.project}
+              depth={depth + 1}
+              childrenMap={props.childrenMap}
+              mobile={props.mobile}
+            />
+          )}
+        </For>
+      </>
+    )
+  }
+
+  const SortableProject = (props: { project: LocalProject; mobile?: boolean }): JSX.Element => {
+    const sortable = createSortable(props.project.worktree)
+    const showExpanded = createMemo(() => props.mobile || layout.sidebar.opened())
+    const slug = createMemo(() => base64Encode(props.project.worktree))
+    const name = createMemo(() => getFilename(props.project.worktree))
+    const [store, setProjectStore] = globalSync.child(props.project.worktree)
+    const sessions = createMemo(() =>
+      store.session.toSorted((a, b) => (b.time.updated ?? b.time.created) - (a.time.updated ?? a.time.created)),
+    )
+    const rootSessions = createMemo(() => sessions().filter((s) => !s.parentID))
+    const childSessionsByParent = createMemo(() => {
+      const map = new Map<string, Session[]>()
+      for (const session of sessions()) {
+        if (session.parentID) {
+          const children = map.get(session.parentID) ?? []
+          children.push(session)
+          map.set(session.parentID, children)
+        }
+      }
+      return map
+    })
+    const hasMoreSessions = createMemo(() => store.session.length >= store.limit)
+    const loadMoreSessions = async () => {
+      setProjectStore("limit", (limit) => limit + 5)
+      await globalSync.project.loadSessions(props.project.worktree)
+    }
+    const isExpanded = createMemo(() =>
+      props.mobile ? mobileProjects.expanded(props.project.worktree) : props.project.expanded,
+    )
+    const handleOpenChange = (open: boolean) => {
+      if (props.mobile) {
+        if (open) mobileProjects.expand(props.project.worktree)
+        else mobileProjects.collapse(props.project.worktree)
+      } else {
+        if (open) layout.projects.expand(props.project.worktree)
+        else layout.projects.collapse(props.project.worktree)
+      }
+    }
+    return (
+      // @ts-ignore
+      <div use:sortable classList={{ "opacity-30": sortable.isActiveDraggable }}>
+        <Switch>
+          <Match when={showExpanded()}>
+            <Collapsible variant="ghost" open={isExpanded()} class="gap-2 shrink-0" onOpenChange={handleOpenChange}>
+              <Button
+                as={"div"}
+                variant="ghost"
+                class="group/session flex items-center justify-between gap-3 w-full px-1.5 self-stretch h-auto border-none rounded-lg"
+              >
+                <Collapsible.Trigger class="group/trigger flex items-center gap-3 p-0 text-left min-w-0 grow border-none">
+                  <ProjectAvatar
+                    project={props.project}
+                    class="group-hover/session:hidden"
+                    expandable
+                    notify={!isExpanded()}
+                  />
+                  <span class="truncate text-14-medium text-text-strong">{name()}</span>
+                </Collapsible.Trigger>
+                <div class="flex invisible gap-1 items-center group-hover/session:visible has-[[data-expanded]]:visible">
+                  <DropdownMenu>
+                    <DropdownMenu.Trigger as={IconButton} icon="dot-grid" variant="ghost" />
+                    <DropdownMenu.Portal>
+                      <DropdownMenu.Content>
+                        <DropdownMenu.Item onSelect={() => closeProject(props.project.worktree)}>
+                          <DropdownMenu.ItemLabel>Close Project</DropdownMenu.ItemLabel>
+                        </DropdownMenu.Item>
+                      </DropdownMenu.Content>
+                    </DropdownMenu.Portal>
+                  </DropdownMenu>
+                  <Tooltip placement="top" value="New session">
+                    <IconButton as={A} href={`${slug()}/session`} icon="plus-small" variant="ghost" />
+                  </Tooltip>
+                </div>
+              </Button>
+              <Collapsible.Content>
+                <nav class="hidden @[4rem]:flex w-full flex-col gap-1.5">
+                  <For each={rootSessions()}>
+                    {(session) => (
+                      <SessionItem
+                        session={session}
+                        slug={slug()}
+                        project={props.project}
+                        childrenMap={childSessionsByParent()}
+                        mobile={props.mobile}
+                      />
+                    )}
+                  </For>
+                  <Show when={rootSessions().length === 0}>
+                    <div
+                      class="group/session relative w-full pl-4 pr-2 py-1 rounded-md cursor-default transition-colors
+                             hover:bg-surface-raised-base-hover focus-within:bg-surface-raised-base-hover has-[.active]:bg-surface-raised-base-hover"
+                    >
+                      <div class="flex items-center self-stretch w-full">
+                        <div class="flex-1 min-w-0">
+                          <Tooltip placement={props.mobile ? "bottom" : "right"} value="New session">
+                            <A
+                              href={`${slug()}/session`}
+                              class="flex flex-col gap-1 min-w-0 text-left w-full focus:outline-none"
+                            >
+                              <div class="flex items-center self-stretch gap-6 justify-between">
+                                <span class="text-14-regular text-text-strong overflow-hidden text-ellipsis truncate">
+                                  New session
+                                </span>
+                              </div>
+                            </A>
+                          </Tooltip>
+                        </div>
+                      </div>
+                    </div>
+                  </Show>
+                  <Show when={hasMoreSessions()}>
+                    <div class="relative w-full py-1">
+                      <Button
+                        variant="ghost"
+                        class="flex w-full text-left justify-start text-12-medium opacity-50 px-3.5"
+                        size="large"
+                        onClick={loadMoreSessions}
+                      >
+                        Load more
+                      </Button>
+                    </div>
+                  </Show>
+                </nav>
+              </Collapsible.Content>
+            </Collapsible>
+          </Match>
+          <Match when={true}>
+            <Tooltip placement="right" value={props.project.worktree}>
+              <ProjectVisual project={props.project} />
+            </Tooltip>
+          </Match>
+        </Switch>
+      </div>
+    )
+  }
+
+  const ProjectDragOverlay = (): JSX.Element => {
+    const project = createMemo(() => layout.projects.list().find((p) => p.worktree === store.activeDraggable))
+    return (
+      <Show when={project()}>
+        {(p) => (
+          <div class="bg-background-base rounded-md">
+            <ProjectVisual project={p()} />
+          </div>
+        )}
+      </Show>
+    )
+  }
+
+  const SidebarContent = (sidebarProps: { mobile?: boolean }) => {
+    const expanded = () => sidebarProps.mobile || layout.sidebar.opened()
+    return (
+      <>
+        <div class="flex flex-col items-start self-stretch gap-4 p-2 min-h-0 overflow-hidden">
+          <Show when={!sidebarProps.mobile}>
+            <Tooltip
+              class="shrink-0"
+              placement="right"
+              value={
+                <div class="flex items-center gap-2">
+                  <span>Toggle sidebar</span>
+                  <span class="text-icon-base text-12-medium">{command.keybind("sidebar.toggle")}</span>
+                </div>
+              }
+              inactive={expanded()}
+            >
+              <Button
+                variant="ghost"
+                size="large"
+                class="group/sidebar-toggle shrink-0 w-full text-left justify-start rounded-lg px-2"
+                onClick={layout.sidebar.toggle}
+              >
+                <div class="relative -ml-px flex items-center justify-center size-4 [&>*]:absolute [&>*]:inset-0">
+                  <Icon
+                    name={layout.sidebar.opened() ? "layout-left" : "layout-right"}
+                    size="small"
+                    class="group-hover/sidebar-toggle:hidden"
+                  />
+                  <Icon
+                    name={layout.sidebar.opened() ? "layout-left-partial" : "layout-right-partial"}
+                    size="small"
+                    class="hidden group-hover/sidebar-toggle:inline-block"
+                  />
+                  <Icon
+                    name={layout.sidebar.opened() ? "layout-left-full" : "layout-right-full"}
+                    size="small"
+                    class="hidden group-active/sidebar-toggle:inline-block"
+                  />
+                </div>
+                <Show when={layout.sidebar.opened()}>
+                  <div class="hidden group-hover/sidebar-toggle:block group-active/sidebar-toggle:block text-text-base">
+                    Toggle sidebar
+                  </div>
+                </Show>
+              </Button>
+            </Tooltip>
+          </Show>
+          <DragDropProvider
+            onDragStart={handleDragStart}
+            onDragEnd={handleDragEnd}
+            onDragOver={handleDragOver}
+            collisionDetector={closestCenter}
+          >
+            <DragDropSensors />
+            <ConstrainDragXAxis />
+            <div
+              ref={sidebarProps.mobile ? undefined : scrollContainerRef}
+              class="w-full min-w-8 flex flex-col gap-2 min-h-0 overflow-y-auto no-scrollbar"
+            >
+              <SortableProvider ids={layout.projects.list().map((p) => p.worktree)}>
+                <For each={layout.projects.list()}>
+                  {(project) => <SortableProject project={project} mobile={sidebarProps.mobile} />}
+                </For>
+              </SortableProvider>
+            </div>
+            <DragOverlay>
+              <ProjectDragOverlay />
+            </DragOverlay>
+          </DragDropProvider>
+        </div>
+        <div class="flex flex-col gap-1.5 self-stretch items-start shrink-0 px-2 py-3">
+          <Switch>
+            <Match when={!providers.paid().length && expanded()}>
+              <div class="rounded-md bg-background-stronger shadow-xs-border-base">
+                <div class="p-3 flex flex-col gap-2">
+                  <div class="text-12-medium text-text-strong">Getting started</div>
+                  <div class="text-text-base">OpenCode includes free models so you can start immediately.</div>
+                  <div class="text-text-base">Connect any provider to use models, inc. Claude, GPT, Gemini etc.</div>
+                </div>
+                <Tooltip placement="right" value="Connect provider" inactive={expanded()}>
+                  <Button
+                    class="flex w-full text-left justify-start text-12-medium text-text-strong stroke-[1.5px] rounded-lg rounded-t-none shadow-none border-t border-border-weak-base pl-2.25 pb-px"
+                    size="large"
+                    icon="plus"
+                    onClick={connectProvider}
+                  >
+                    Connect provider
+                  </Button>
+                </Tooltip>
+              </div>
+            </Match>
+            <Match when={true}>
+              <Tooltip placement="right" value="Connect provider" inactive={expanded()}>
+                <Button
+                  class="flex w-full text-left justify-start text-text-base stroke-[1.5px] rounded-lg px-2"
+                  variant="ghost"
+                  size="large"
+                  icon="plus"
+                  onClick={connectProvider}
+                >
+                  <Show when={expanded()}>Connect provider</Show>
+                </Button>
+              </Tooltip>
+            </Match>
+          </Switch>
+          <Show when={platform.openDirectoryPickerDialog}>
+            <Tooltip
+              placement="right"
+              value={
+                <div class="flex items-center gap-2">
+                  <span>Open project</span>
+                  <Show when={!sidebarProps.mobile}>
+                    <span class="text-icon-base text-12-medium">{command.keybind("project.open")}</span>
+                  </Show>
+                </div>
+              }
+              inactive={expanded()}
+            >
+              <Button
+                class="flex w-full text-left justify-start text-text-base stroke-[1.5px] rounded-lg px-2"
+                variant="ghost"
+                size="large"
+                icon="folder-add-left"
+                onClick={chooseProject}
+              >
+                <Show when={expanded()}>Open project</Show>
+              </Button>
+            </Tooltip>
+          </Show>
+          <Tooltip placement="right" value="Share feedback" inactive={expanded()}>
+            <Button
+              as={"a"}
+              href="https://opencode.ai/desktop-feedback"
+              target="_blank"
+              class="flex w-full text-left justify-start text-text-base stroke-[1.5px] rounded-lg px-2"
+              variant="ghost"
+              size="large"
+              icon="bubble-5"
+            >
+              <Show when={expanded()}>Share feedback</Show>
+            </Button>
+          </Tooltip>
+        </div>
+      </>
+    )
+  }
+
+  return (
+    <div class="relative flex-1 min-h-0 flex flex-col">
+      <Header
+        navigateToProject={navigateToProject}
+        navigateToSession={navigateToSession}
+        onMobileMenuToggle={mobileSidebar.toggle}
+      />
+      <div class="flex-1 min-h-0 flex">
+        <div
+          classList={{
+            "hidden xl:flex": true,
+            "relative @container w-12 pb-5 shrink-0 bg-background-base": true,
+            "flex-col gap-5.5 items-start self-stretch justify-between": true,
+            "border-r border-border-weak-base contain-strict": true,
+          }}
+          style={{ width: layout.sidebar.opened() ? `${layout.sidebar.width()}px` : undefined }}
+        >
+          <Show when={layout.sidebar.opened()}>
+            <ResizeHandle
+              direction="horizontal"
+              size={layout.sidebar.width()}
+              min={150}
+              max={window.innerWidth * 0.3}
+              collapseThreshold={80}
+              onResize={layout.sidebar.resize}
+              onCollapse={layout.sidebar.close}
+            />
+          </Show>
+          <SidebarContent />
+        </div>
+        <div class="xl:hidden">
+          <div
+            classList={{
+              "fixed inset-0 bg-black/50 z-40 transition-opacity duration-200": true,
+              "opacity-100 pointer-events-auto": mobileSidebar.open(),
+              "opacity-0 pointer-events-none": !mobileSidebar.open(),
+            }}
+            onClick={(e) => {
+              if (e.target === e.currentTarget) mobileSidebar.hide()
+            }}
+          />
+          <div
+            classList={{
+              "@container fixed inset-y-0 left-0 z-50 w-72 bg-background-base border-r border-border-weak-base flex flex-col gap-5.5 items-start self-stretch justify-between pt-12 pb-5 transition-transform duration-200 ease-out": true,
+              "translate-x-0": mobileSidebar.open(),
+              "-translate-x-full": !mobileSidebar.open(),
+            }}
+            onClick={(e) => e.stopPropagation()}
+          >
+            <SidebarContent mobile />
+          </div>
+        </div>
+
+        <main class="size-full overflow-x-hidden flex flex-col items-start contain-strict">{props.children}</main>
+      </div>
+      <Toast.Region />
+    </div>
+  )
+}
diff --git a/packages/app/src/pages/session.tsx b/packages/app/src/pages/session.tsx
new file mode 100644
index 000000000..42e43232a
--- /dev/null
+++ b/packages/app/src/pages/session.tsx
@@ -0,0 +1,927 @@
+import {
+  For,
+  onCleanup,
+  onMount,
+  Show,
+  Match,
+  Switch,
+  createResource,
+  createMemo,
+  createEffect,
+  on,
+  createRenderEffect,
+  batch,
+} from "solid-js"
+
+import { Dynamic } from "solid-js/web"
+import { useLocal, type LocalFile } from "@/context/local"
+import { createStore } from "solid-js/store"
+import { PromptInput } from "@/components/prompt-input"
+import { DateTime } from "luxon"
+import { FileIcon } from "@opencode-ai/ui/file-icon"
+import { IconButton } from "@opencode-ai/ui/icon-button"
+import { Icon } from "@opencode-ai/ui/icon"
+import { Tooltip } from "@opencode-ai/ui/tooltip"
+import { DiffChanges } from "@opencode-ai/ui/diff-changes"
+import { ResizeHandle } from "@opencode-ai/ui/resize-handle"
+import { Tabs } from "@opencode-ai/ui/tabs"
+import { useCodeComponent } from "@opencode-ai/ui/context/code"
+import { SessionTurn } from "@opencode-ai/ui/session-turn"
+import { createAutoScroll } from "@opencode-ai/ui/hooks"
+import { SessionMessageRail } from "@opencode-ai/ui/session-message-rail"
+import { SessionReview } from "@opencode-ai/ui/session-review"
+import {
+  DragDropProvider,
+  DragDropSensors,
+  DragOverlay,
+  SortableProvider,
+  closestCenter,
+  createSortable,
+} from "@thisbeyond/solid-dnd"
+import type { DragEvent } from "@thisbeyond/solid-dnd"
+import type { JSX } from "solid-js"
+import { useSync } from "@/context/sync"
+import { useTerminal, type LocalPTY } from "@/context/terminal"
+import { useLayout } from "@/context/layout"
+import { getDirectory, getFilename } from "@opencode-ai/util/path"
+import { Terminal } from "@/components/terminal"
+import { checksum } from "@opencode-ai/util/encode"
+import { useDialog } from "@opencode-ai/ui/context/dialog"
+import { DialogSelectFile } from "@/components/dialog-select-file"
+import { DialogSelectModel } from "@/components/dialog-select-model"
+import { useCommand } from "@/context/command"
+import { useNavigate, useParams } from "@solidjs/router"
+import { UserMessage } from "@opencode-ai/sdk/v2"
+import { useSDK } from "@/context/sdk"
+import { usePrompt } from "@/context/prompt"
+import { extractPromptFromParts } from "@/utils/prompt"
+import { ConstrainDragYAxis, getDraggableId } from "@/utils/solid-dnd"
+
+export default function Page() {
+  const layout = useLayout()
+  const local = useLocal()
+  const sync = useSync()
+  const terminal = useTerminal()
+  const dialog = useDialog()
+  const codeComponent = useCodeComponent()
+  const command = useCommand()
+  const params = useParams()
+  const navigate = useNavigate()
+  const sdk = useSDK()
+  const prompt = usePrompt()
+
+  const sessionKey = createMemo(() => `${params.dir}${params.id ? "/" + params.id : ""}`)
+  const tabs = createMemo(() => layout.tabs(sessionKey()))
+  const info = createMemo(() => (params.id ? sync.session.get(params.id) : undefined))
+  const revertMessageID = createMemo(() => info()?.revert?.messageID)
+  const messages = createMemo(() => (params.id ? (sync.data.message[params.id] ?? []) : []))
+  const userMessages = createMemo(() =>
+    messages()
+      .filter((m) => m.role === "user")
+      .sort((a, b) => a.id.localeCompare(b.id)),
+  )
+  const visibleUserMessages = createMemo(() => {
+    const revert = revertMessageID()
+    if (!revert) return userMessages()
+    return userMessages().filter((m) => m.id < revert)
+  })
+  const lastUserMessage = createMemo(() => visibleUserMessages()?.at(-1))
+
+  const [store, setStore] = createStore({
+    clickTimer: undefined as number | undefined,
+    activeDraggable: undefined as string | undefined,
+    activeTerminalDraggable: undefined as string | undefined,
+    userInteracted: false,
+    stepsExpanded: true,
+    mobileStepsExpanded: {} as Record<string, boolean>,
+    messageId: undefined as string | undefined,
+  })
+
+  const activeMessage = createMemo(() => {
+    if (!store.messageId) return lastUserMessage()
+    // If the stored message is no longer visible (e.g., was reverted), fall back to last visible
+    const found = visibleUserMessages()?.find((m) => m.id === store.messageId)
+    return found ?? lastUserMessage()
+  })
+  const setActiveMessage = (message: UserMessage | undefined) => {
+    setStore("messageId", message?.id)
+  }
+
+  function navigateMessageByOffset(offset: number) {
+    const msgs = visibleUserMessages()
+    if (msgs.length === 0) return
+
+    const current = activeMessage()
+    const currentIndex = current ? msgs.findIndex((m) => m.id === current.id) : -1
+
+    let targetIndex: number
+    if (currentIndex === -1) {
+      targetIndex = offset > 0 ? 0 : msgs.length - 1
+    } else {
+      targetIndex = currentIndex + offset
+    }
+
+    if (targetIndex < 0 || targetIndex >= msgs.length) return
+
+    setActiveMessage(msgs[targetIndex])
+  }
+
+  const diffs = createMemo(() => (params.id ? (sync.data.session_diff[params.id] ?? []) : []))
+
+  let inputRef!: HTMLDivElement
+
+  createEffect(() => {
+    if (!params.id) return
+    sync.session.sync(params.id)
+  })
+
+  createEffect(() => {
+    if (layout.terminal.opened()) {
+      if (terminal.all().length === 0) {
+        terminal.new()
+      }
+    }
+  })
+
+  createEffect(
+    on(
+      () => visibleUserMessages().at(-1)?.id,
+      (lastId, prevLastId) => {
+        if (lastId && prevLastId && lastId > prevLastId) {
+          setStore("messageId", undefined)
+        }
+      },
+      { defer: true },
+    ),
+  )
+
+  createEffect(() => {
+    params.id
+    const status = sync.data.session_status[params.id ?? ""] ?? { type: "idle" }
+    batch(() => {
+      setStore("userInteracted", false)
+      setStore("stepsExpanded", status.type !== "idle")
+    })
+  })
+
+  const status = createMemo(() => sync.data.session_status[params.id ?? ""] ?? { type: "idle" })
+  const working = createMemo(() => status().type !== "idle" && activeMessage()?.id === lastUserMessage()?.id)
+
+  createRenderEffect((prev) => {
+    const isWorking = working()
+    if (!prev && isWorking) {
+      setStore("stepsExpanded", true)
+    }
+    if (prev && !isWorking && !store.userInteracted) {
+      setStore("stepsExpanded", false)
+    }
+    return isWorking
+  }, working())
+
+  command.register(() => [
+    {
+      id: "session.new",
+      title: "New session",
+      description: "Create a new session",
+      category: "Session",
+      keybind: "mod+shift+s",
+      slash: "new",
+      onSelect: () => navigate(`/${params.dir}/session`),
+    },
+    {
+      id: "file.open",
+      title: "Open file",
+      description: "Search and open a file",
+      category: "File",
+      keybind: "mod+p",
+      slash: "open",
+      onSelect: () => dialog.show(() => <DialogSelectFile />),
+    },
+    // {
+    //   id: "theme.toggle",
+    //   title: "Toggle theme",
+    //   description: "Switch between themes",
+    //   category: "View",
+    //   keybind: "ctrl+t",
+    //   slash: "theme",
+    //   onSelect: () => {
+    //     const currentTheme = localStorage.getItem("theme") ?? "oc-1"
+    //     const themes = ["oc-1", "oc-2-paper"]
+    //     const nextTheme = themes[(themes.indexOf(currentTheme) + 1) % themes.length]
+    //     localStorage.setItem("theme", nextTheme)
+    //     document.documentElement.setAttribute("data-theme", nextTheme)
+    //   },
+    // },
+    {
+      id: "terminal.toggle",
+      title: "Toggle terminal",
+      description: "Show or hide the terminal",
+      category: "View",
+      keybind: "ctrl+`",
+      slash: "terminal",
+      onSelect: () => layout.terminal.toggle(),
+    },
+    {
+      id: "review.toggle",
+      title: "Toggle review",
+      description: "Show or hide the review panel",
+      category: "View",
+      keybind: "mod+b",
+      slash: "review",
+      onSelect: () => layout.review.toggle(),
+    },
+    {
+      id: "terminal.new",
+      title: "New terminal",
+      description: "Create a new terminal tab",
+      category: "Terminal",
+      keybind: "ctrl+shift+`",
+      onSelect: () => terminal.new(),
+    },
+    {
+      id: "steps.toggle",
+      title: "Toggle steps",
+      description: "Show or hide the steps",
+      category: "View",
+      keybind: "mod+e",
+      slash: "steps",
+      disabled: !params.id,
+      onSelect: () => setStore("stepsExpanded", (x) => !x),
+    },
+    {
+      id: "message.previous",
+      title: "Previous message",
+      description: "Go to the previous user message",
+      category: "Session",
+      keybind: "mod+arrowup",
+      disabled: !params.id,
+      onSelect: () => navigateMessageByOffset(-1),
+    },
+    {
+      id: "message.next",
+      title: "Next message",
+      description: "Go to the next user message",
+      category: "Session",
+      keybind: "mod+arrowdown",
+      disabled: !params.id,
+      onSelect: () => navigateMessageByOffset(1),
+    },
+    {
+      id: "model.choose",
+      title: "Choose model",
+      description: "Select a different model",
+      category: "Model",
+      keybind: "mod+'",
+      slash: "model",
+      onSelect: () => dialog.show(() => <DialogSelectModel />),
+    },
+    {
+      id: "agent.cycle",
+      title: "Cycle agent",
+      description: "Switch to the next agent",
+      category: "Agent",
+      keybind: "mod+.",
+      slash: "agent",
+      onSelect: () => local.agent.move(1),
+    },
+    {
+      id: "agent.cycle.reverse",
+      title: "Cycle agent backwards",
+      description: "Switch to the previous agent",
+      category: "Agent",
+      keybind: "shift+mod+.",
+      onSelect: () => local.agent.move(-1),
+    },
+    {
+      id: "session.undo",
+      title: "Undo",
+      description: "Undo the last message",
+      category: "Session",
+      slash: "undo",
+      disabled: !params.id || visibleUserMessages().length === 0,
+      onSelect: async () => {
+        const sessionID = params.id
+        if (!sessionID) return
+        if (status()?.type !== "idle") {
+          await sdk.client.session.abort({ sessionID }).catch(() => {})
+        }
+        const revert = info()?.revert?.messageID
+        // Find the last user message that's not already reverted
+        const message = userMessages().findLast((x) => !revert || x.id < revert)
+        if (!message) return
+        await sdk.client.session.revert({ sessionID, messageID: message.id })
+        // Restore the prompt from the reverted message
+        const parts = sync.data.part[message.id]
+        if (parts) {
+          const restored = extractPromptFromParts(parts)
+          prompt.set(restored)
+        }
+        // Navigate to the message before the reverted one (which will be the new last visible message)
+        const priorMessage = userMessages().findLast((x) => x.id < message.id)
+        setActiveMessage(priorMessage)
+      },
+    },
+    {
+      id: "session.redo",
+      title: "Redo",
+      description: "Redo the last undone message",
+      category: "Session",
+      slash: "redo",
+      disabled: !params.id || !info()?.revert?.messageID,
+      onSelect: async () => {
+        const sessionID = params.id
+        if (!sessionID) return
+        const revertMessageID = info()?.revert?.messageID
+        if (!revertMessageID) return
+        const nextMessage = userMessages().find((x) => x.id > revertMessageID)
+        if (!nextMessage) {
+          // Full unrevert - restore all messages and navigate to last
+          await sdk.client.session.unrevert({ sessionID })
+          prompt.reset()
+          // Navigate to the last message (the one that was at the revert point)
+          const lastMsg = userMessages().findLast((x) => x.id >= revertMessageID)
+          setActiveMessage(lastMsg)
+          return
+        }
+        // Partial redo - move forward to next message
+        await sdk.client.session.revert({ sessionID, messageID: nextMessage.id })
+        // Navigate to the message before the new revert point
+        const priorMsg = userMessages().findLast((x) => x.id < nextMessage.id)
+        setActiveMessage(priorMsg)
+      },
+    },
+  ])
+
+  const handleKeyDown = (event: KeyboardEvent) => {
+    const activeElement = document.activeElement as HTMLElement | undefined
+    if (activeElement) {
+      const isProtected = activeElement.closest("[data-prevent-autofocus]")
+      const isInput = /^(INPUT|TEXTAREA|SELECT)$/.test(activeElement.tagName) || activeElement.isContentEditable
+      if (isProtected || isInput) return
+    }
+    if (dialog.active) return
+
+    if (activeElement === inputRef) {
+      if (event.key === "Escape") inputRef?.blur()
+      return
+    }
+
+    if (event.key.length === 1 && event.key !== "Unidentified" && !(event.ctrlKey || event.metaKey)) {
+      inputRef?.focus()
+    }
+  }
+
+  onMount(() => {
+    document.addEventListener("keydown", handleKeyDown)
+  })
+
+  onCleanup(() => {
+    document.removeEventListener("keydown", handleKeyDown)
+  })
+
+  const resetClickTimer = () => {
+    if (!store.clickTimer) return
+    clearTimeout(store.clickTimer)
+    setStore("clickTimer", undefined)
+  }
+
+  const startClickTimer = () => {
+    const newClickTimer = setTimeout(() => {
+      setStore("clickTimer", undefined)
+    }, 300)
+    setStore("clickTimer", newClickTimer as unknown as number)
+  }
+
+  const handleTabClick = async (tab: string) => {
+    if (store.clickTimer) {
+      resetClickTimer()
+    } else {
+      if (tab.startsWith("file://")) {
+        local.file.open(tab.replace("file://", ""))
+      }
+      startClickTimer()
+    }
+  }
+
+  const handleDragStart = (event: unknown) => {
+    const id = getDraggableId(event)
+    if (!id) return
+    setStore("activeDraggable", id)
+  }
+
+  const handleDragOver = (event: DragEvent) => {
+    const { draggable, droppable } = event
+    if (draggable && droppable) {
+      const currentTabs = tabs().all()
+      const fromIndex = currentTabs?.indexOf(draggable.id.toString())
+      const toIndex = currentTabs?.indexOf(droppable.id.toString())
+      if (fromIndex !== toIndex && toIndex !== undefined) {
+        tabs().move(draggable.id.toString(), toIndex)
+      }
+    }
+  }
+
+  const handleDragEnd = () => {
+    setStore("activeDraggable", undefined)
+  }
+
+  const handleTerminalDragStart = (event: unknown) => {
+    const id = getDraggableId(event)
+    if (!id) return
+    setStore("activeTerminalDraggable", id)
+  }
+
+  const handleTerminalDragOver = (event: DragEvent) => {
+    const { draggable, droppable } = event
+    if (draggable && droppable) {
+      const terminals = terminal.all()
+      const fromIndex = terminals.findIndex((t: LocalPTY) => t.id === draggable.id.toString())
+      const toIndex = terminals.findIndex((t: LocalPTY) => t.id === droppable.id.toString())
+      if (fromIndex !== -1 && toIndex !== -1 && fromIndex !== toIndex) {
+        terminal.move(draggable.id.toString(), toIndex)
+      }
+    }
+  }
+
+  const handleTerminalDragEnd = () => {
+    setStore("activeTerminalDraggable", undefined)
+  }
+
+  const SortableTerminalTab = (props: { terminal: LocalPTY }): JSX.Element => {
+    const sortable = createSortable(props.terminal.id)
+    return (
+      // @ts-ignore
+      <div use:sortable classList={{ "h-full": true, "opacity-0": sortable.isActiveDraggable }}>
+        <div class="relative h-full">
+          <Tabs.Trigger
+            value={props.terminal.id}
+            closeButton={
+              terminal.all().length > 1 && (
+                <IconButton icon="close" variant="ghost" onClick={() => terminal.close(props.terminal.id)} />
+              )
+            }
+          >
+            {props.terminal.title}
+          </Tabs.Trigger>
+        </div>
+      </div>
+    )
+  }
+
+  const FileVisual = (props: { file: LocalFile; active?: boolean }): JSX.Element => {
+    return (
+      <div class="flex items-center gap-x-1.5">
+        <FileIcon
+          node={props.file}
+          classList={{
+            "grayscale-100 group-data-[selected]/tab:grayscale-0": !props.active,
+            "grayscale-0": props.active,
+          }}
+        />
+        <span
+          classList={{
+            "text-14-medium": true,
+            "text-primary": !!props.file.status?.status,
+            italic: !props.file.pinned,
+          }}
+        >
+          {props.file.name}
+        </span>
+        <span class="hidden opacity-70">
+          <Switch>
+            <Match when={props.file.status?.status === "modified"}>
+              <span class="text-primary">M</span>
+            </Match>
+            <Match when={props.file.status?.status === "added"}>
+              <span class="text-success">A</span>
+            </Match>
+            <Match when={props.file.status?.status === "deleted"}>
+              <span class="text-error">D</span>
+            </Match>
+          </Switch>
+        </span>
+      </div>
+    )
+  }
+
+  const SortableTab = (props: {
+    tab: string
+    onTabClick: (tab: string) => void
+    onTabClose: (tab: string) => void
+  }): JSX.Element => {
+    const sortable = createSortable(props.tab)
+    const [file] = createResource(
+      () => props.tab,
+      async (tab) => {
+        if (tab.startsWith("file://")) {
+          return local.file.node(tab.replace("file://", ""))
+        }
+        return undefined
+      },
+    )
+    return (
+      // @ts-ignore
+      <div use:sortable classList={{ "h-full": true, "opacity-0": sortable.isActiveDraggable }}>
+        <div class="relative h-full">
+          <Tabs.Trigger
+            value={props.tab}
+            closeButton={
+              <Tooltip value="Close tab" placement="bottom">
+                <IconButton icon="close" variant="ghost" onClick={() => props.onTabClose(props.tab)} />
+              </Tooltip>
+            }
+            hideCloseButton
+            onClick={() => props.onTabClick(props.tab)}
+          >
+            <Switch>
+              <Match when={file()}>{(f) => <FileVisual file={f()} />}</Match>
+            </Switch>
+          </Tabs.Trigger>
+        </div>
+      </div>
+    )
+  }
+
+  const showTabs = createMemo(() => layout.review.opened() && (diffs().length > 0 || tabs().all().length > 0))
+
+  const mobileWorking = createMemo(() => status().type !== "idle")
+  const mobileAutoScroll = createAutoScroll({
+    working: mobileWorking,
+    onUserInteracted: () => setStore("userInteracted", true),
+  })
+
+  const MobileTurns = () => (
+    <div
+      ref={mobileAutoScroll.scrollRef}
+      onScroll={mobileAutoScroll.handleScroll}
+      onClick={mobileAutoScroll.handleInteraction}
+      class="relative mt-2 min-w-0 w-full h-full overflow-y-auto no-scrollbar pb-12"
+    >
+      <div ref={mobileAutoScroll.contentRef} class="flex flex-col gap-45 items-start justify-start mt-4">
+        <For each={visibleUserMessages()}>
+          {(message) => (
+            <SessionTurn
+              sessionID={params.id!}
+              messageID={message.id}
+              stepsExpanded={store.mobileStepsExpanded[message.id] ?? false}
+              onStepsExpandedToggle={() => setStore("mobileStepsExpanded", message.id, (x) => !x)}
+              onUserInteracted={() => setStore("userInteracted", true)}
+              classes={{
+                root: "min-w-0 w-full relative",
+                content:
+                  "flex flex-col justify-between !overflow-visible [&_[data-slot=session-turn-message-header]]:top-[-32px]",
+                container: "px-4",
+              }}
+            />
+          )}
+        </For>
+      </div>
+    </div>
+  )
+
+  const NewSessionView = () => (
+    <div class="size-full flex flex-col pb-45 justify-end items-start gap-4 flex-[1_0_0] self-stretch max-w-200 mx-auto px-6">
+      <div class="text-20-medium text-text-weaker">New session</div>
+      <div class="flex justify-center items-center gap-3">
+        <Icon name="folder" size="small" />
+        <div class="text-12-medium text-text-weak">
+          {getDirectory(sync.data.path.directory)}
+          <span class="text-text-strong">{getFilename(sync.data.path.directory)}</span>
+        </div>
+      </div>
+      <Show when={sync.project}>
+        {(project) => (
+          <div class="flex justify-center items-center gap-3">
+            <Icon name="pencil-line" size="small" />
+            <div class="text-12-medium text-text-weak">
+              Last modified&nbsp;
+              <span class="text-text-strong">
+                {DateTime.fromMillis(project().time.updated ?? project().time.created).toRelative()}
+              </span>
+            </div>
+          </div>
+        )}
+      </Show>
+    </div>
+  )
+
+  const DesktopSessionContent = () => (
+    <Switch>
+      <Match when={params.id}>
+        <div class="flex items-start justify-start h-full min-h-0">
+          <SessionMessageRail
+            messages={visibleUserMessages()}
+            current={activeMessage()}
+            onMessageSelect={setActiveMessage}
+            wide={!showTabs()}
+          />
+          <Show when={activeMessage()}>
+            <SessionTurn
+              sessionID={params.id!}
+              messageID={activeMessage()!.id}
+              stepsExpanded={store.stepsExpanded}
+              onStepsExpandedToggle={() => setStore("stepsExpanded", (x) => !x)}
+              onUserInteracted={() => setStore("userInteracted", true)}
+              classes={{
+                root: "pb-20 flex-1 min-w-0",
+                content: "pb-20",
+                container:
+                  "w-full " +
+                  (!showTabs() ? "max-w-200 mx-auto px-6" : visibleUserMessages().length > 1 ? "pr-6 pl-18" : "px-6"),
+              }}
+            />
+          </Show>
+        </div>
+      </Match>
+      <Match when={true}>
+        <NewSessionView />
+      </Match>
+    </Switch>
+  )
+
+  return (
+    <div class="relative bg-background-base size-full overflow-hidden flex flex-col">
+      <div class="md:hidden flex-1 min-h-0 flex flex-col bg-background-stronger">
+        <Switch>
+          <Match when={!params.id}>
+            <div class="flex-1 min-h-0 overflow-hidden">
+              <NewSessionView />
+            </div>
+          </Match>
+          <Match when={diffs().length > 0}>
+            <Tabs class="flex-1 min-h-0 flex flex-col pb-28">
+              <Tabs.List>
+                <Tabs.Trigger value="session" class="w-1/2" classes={{ button: "w-full" }}>
+                  Session
+                </Tabs.Trigger>
+                <Tabs.Trigger value="review" class="w-1/2 !border-r-0" classes={{ button: "w-full" }}>
+                  {diffs().length} Files Changed
+                </Tabs.Trigger>
+              </Tabs.List>
+              <Tabs.Content value="session" class="flex-1 !overflow-hidden">
+                <MobileTurns />
+              </Tabs.Content>
+              <Tabs.Content forceMount value="review" class="flex-1 !overflow-hidden hidden data-[selected]:block">
+                <div class="relative h-full mt-6 overflow-y-auto no-scrollbar">
+                  <SessionReview
+                    diffs={diffs()}
+                    classes={{
+                      root: "pb-32",
+                      header: "px-4",
+                      container: "px-4",
+                    }}
+                  />
+                </div>
+              </Tabs.Content>
+            </Tabs>
+          </Match>
+          <Match when={true}>
+            <div class="flex-1 min-h-0 overflow-hidden">
+              <MobileTurns />
+            </div>
+          </Match>
+        </Switch>
+        <div class="absolute inset-x-0 bottom-4 flex flex-col justify-center items-center z-50 px-4">
+          <div class="w-full">
+            <PromptInput
+              ref={(el) => {
+                inputRef = el
+              }}
+            />
+          </div>
+        </div>
+      </div>
+
+      <div class="hidden md:flex min-h-0 grow w-full">
+        <div
+          class="@container relative shrink-0 py-3 flex flex-col gap-6 min-h-0 h-full bg-background-stronger"
+          style={{ width: showTabs() ? `${layout.session.width()}px` : "100%" }}
+        >
+          <div class="flex-1 min-h-0 overflow-hidden">
+            <DesktopSessionContent />
+          </div>
+          <div class="absolute inset-x-0 bottom-8 flex flex-col justify-center items-center z-50">
+            <div
+              classList={{
+                "w-full px-6": true,
+                "max-w-200": !showTabs(),
+              }}
+            >
+              <PromptInput
+                ref={(el) => {
+                  inputRef = el
+                }}
+              />
+            </div>
+          </div>
+          <Show when={showTabs()}>
+            <ResizeHandle
+              direction="horizontal"
+              size={layout.session.width()}
+              min={450}
+              max={window.innerWidth * 0.45}
+              onResize={layout.session.resize}
+            />
+          </Show>
+        </div>
+
+        <Show when={showTabs()}>
+          <div class="relative flex-1 min-w-0 h-full border-l border-border-weak-base">
+            <DragDropProvider
+              onDragStart={handleDragStart}
+              onDragEnd={handleDragEnd}
+              onDragOver={handleDragOver}
+              collisionDetector={closestCenter}
+            >
+              <DragDropSensors />
+              <ConstrainDragYAxis />
+              <Tabs value={tabs().active() ?? "review"} onChange={tabs().open}>
+                <div class="sticky top-0 shrink-0 flex">
+                  <Tabs.List>
+                    <Show when={diffs().length}>
+                      <Tabs.Trigger value="review">
+                        <div class="flex items-center gap-3">
+                          <Show when={diffs()}>
+                            <DiffChanges changes={diffs()} variant="bars" />
+                          </Show>
+                          <div class="flex items-center gap-1.5">
+                            <div>Review</div>
+                            <Show when={info()?.summary?.files}>
+                              <div class="text-12-medium text-text-strong h-4 px-2 flex flex-col items-center justify-center rounded-full bg-surface-base">
+                                {info()?.summary?.files ?? 0}
+                              </div>
+                            </Show>
+                          </div>
+                        </div>
+                      </Tabs.Trigger>
+                    </Show>
+                    <SortableProvider ids={tabs().all() ?? []}>
+                      <For each={tabs().all() ?? []}>
+                        {(tab) => <SortableTab tab={tab} onTabClick={handleTabClick} onTabClose={tabs().close} />}
+                      </For>
+                    </SortableProvider>
+                    <div class="bg-background-base h-full flex items-center justify-center border-b border-border-weak-base px-3">
+                      <Tooltip
+                        value={
+                          <div class="flex items-center gap-2">
+                            <span>Open file</span>
+                            <span class="text-icon-base text-12-medium">{command.keybind("file.open")}</span>
+                          </div>
+                        }
+                        class="flex items-center"
+                      >
+                        <IconButton
+                          icon="plus-small"
+                          variant="ghost"
+                          iconSize="large"
+                          onClick={() => dialog.show(() => <DialogSelectFile />)}
+                        />
+                      </Tooltip>
+                    </div>
+                  </Tabs.List>
+                </div>
+                <Show when={diffs().length}>
+                  <Tabs.Content value="review" class="select-text flex flex-col h-full overflow-hidden contain-strict">
+                    <div class="relative pt-2 flex-1 min-h-0 overflow-hidden">
+                      <SessionReview
+                        classes={{
+                          root: "pb-40",
+                          header: "px-6",
+                          container: "px-6",
+                        }}
+                        diffs={diffs()}
+                        split
+                      />
+                    </div>
+                  </Tabs.Content>
+                </Show>
+                <For each={tabs().all()}>
+                  {(tab) => {
+                    const [file] = createResource(
+                      () => tab,
+                      async (tab) => {
+                        if (tab.startsWith("file://")) {
+                          return local.file.node(tab.replace("file://", ""))
+                        }
+                        return undefined
+                      },
+                    )
+                    return (
+                      <Tabs.Content value={tab} class="select-text mt-3">
+                        <Switch>
+                          <Match when={file()}>
+                            {(f) => (
+                              <Dynamic
+                                component={codeComponent}
+                                file={{
+                                  name: f().path,
+                                  contents: f().content?.content ?? "",
+                                  cacheKey: checksum(f().content?.content ?? ""),
+                                }}
+                                overflow="scroll"
+                                class="pb-40"
+                              />
+                            )}
+                          </Match>
+                        </Switch>
+                      </Tabs.Content>
+                    )
+                  }}
+                </For>
+              </Tabs>
+              <DragOverlay>
+                <Show when={store.activeDraggable}>
+                  {(draggedFile) => {
+                    const [file] = createResource(
+                      () => draggedFile(),
+                      async (tab) => {
+                        if (tab.startsWith("file://")) {
+                          return local.file.node(tab.replace("file://", ""))
+                        }
+                        return undefined
+                      },
+                    )
+                    return (
+                      <div class="relative px-6 h-12 flex items-center bg-background-stronger border-x border-border-weak-base border-b border-b-transparent">
+                        <Show when={file()}>{(f) => <FileVisual active file={f()} />}</Show>
+                      </div>
+                    )
+                  }}
+                </Show>
+              </DragOverlay>
+            </DragDropProvider>
+          </div>
+        </Show>
+      </div>
+
+      <Show when={layout.terminal.opened()}>
+        <div
+          class="hidden md:flex relative w-full flex-col shrink-0 border-t border-border-weak-base"
+          style={{ height: `${layout.terminal.height()}px` }}
+        >
+          <ResizeHandle
+            direction="vertical"
+            size={layout.terminal.height()}
+            min={100}
+            max={window.innerHeight * 0.6}
+            collapseThreshold={50}
+            onResize={layout.terminal.resize}
+            onCollapse={layout.terminal.close}
+          />
+          <DragDropProvider
+            onDragStart={handleTerminalDragStart}
+            onDragEnd={handleTerminalDragEnd}
+            onDragOver={handleTerminalDragOver}
+            collisionDetector={closestCenter}
+          >
+            <DragDropSensors />
+            <ConstrainDragYAxis />
+            <Tabs variant="alt" value={terminal.active()} onChange={terminal.open}>
+              <Tabs.List class="h-10">
+                <SortableProvider ids={terminal.all().map((t: LocalPTY) => t.id)}>
+                  <For each={terminal.all()}>{(pty) => <SortableTerminalTab terminal={pty} />}</For>
+                </SortableProvider>
+                <div class="h-full flex items-center justify-center">
+                  <Tooltip
+                    value={
+                      <div class="flex items-center gap-2">
+                        <span>New terminal</span>
+                        <span class="text-icon-base text-12-medium">{command.keybind("terminal.new")}</span>
+                      </div>
+                    }
+                    class="flex items-center"
+                  >
+                    <IconButton icon="plus-small" variant="ghost" iconSize="large" onClick={terminal.new} />
+                  </Tooltip>
+                </div>
+              </Tabs.List>
+              <For each={terminal.all()}>
+                {(pty) => (
+                  <Tabs.Content value={pty.id}>
+                    <Terminal pty={pty} onCleanup={terminal.update} onConnectError={() => terminal.clone(pty.id)} />
+                  </Tabs.Content>
+                )}
+              </For>
+            </Tabs>
+            <DragOverlay>
+              <Show when={store.activeTerminalDraggable}>
+                {(draggedId) => {
+                  const pty = createMemo(() => terminal.all().find((t: LocalPTY) => t.id === draggedId()))
+                  return (
+                    <Show when={pty()}>
+                      {(t) => (
+                        <div class="relative p-1 h-10 flex items-center bg-background-stronger text-14-regular">
+                          {t().title}
+                        </div>
+                      )}
+                    </Show>
+                  )
+                }}
+              </Show>
+            </DragOverlay>
+          </DragDropProvider>
+        </div>
+      </Show>
+    </div>
+  )
+}
diff --git a/packages/app/src/sst-env.d.ts b/packages/app/src/sst-env.d.ts
new file mode 100644
index 000000000..47a8fbec7
--- /dev/null
+++ b/packages/app/src/sst-env.d.ts
@@ -0,0 +1,10 @@
+/* This file is auto-generated by SST. Do not edit. */
+/* tslint:disable */
+/* eslint-disable */
+/// <reference types="vite/client" />
+interface ImportMetaEnv {
+
+}
+interface ImportMeta {
+  readonly env: ImportMetaEnv
+}
\ No newline at end of file
diff --git a/packages/app/src/utils/dom.ts b/packages/app/src/utils/dom.ts
new file mode 100644
index 000000000..4f3724c7c
--- /dev/null
+++ b/packages/app/src/utils/dom.ts
@@ -0,0 +1,51 @@
+export function getCharacterOffsetInLine(lineElement: Element, targetNode: Node, offset: number): number {
+  const r = document.createRange()
+  r.selectNodeContents(lineElement)
+  r.setEnd(targetNode, offset)
+  return r.toString().length
+}
+
+export function getNodeOffsetInLine(lineElement: Element, charIndex: number): { node: Node; offset: number } | null {
+  const walker = document.createTreeWalker(lineElement, NodeFilter.SHOW_TEXT, null)
+  let remaining = Math.max(0, charIndex)
+  let lastText: Node | null = null
+  let lastLen = 0
+  let node: Node | null
+  while ((node = walker.nextNode())) {
+    const len = node.textContent?.length || 0
+    lastText = node
+    lastLen = len
+    if (remaining <= len) return { node, offset: remaining }
+    remaining -= len
+  }
+  if (lastText) return { node: lastText, offset: lastLen }
+  if (lineElement.firstChild) return { node: lineElement.firstChild, offset: 0 }
+  return null
+}
+
+export function getSelectionInContainer(
+  container: HTMLElement,
+): { sl: number; sch: number; el: number; ech: number } | null {
+  const s = window.getSelection()
+  if (!s || s.rangeCount === 0) return null
+  const r = s.getRangeAt(0)
+  const sc = r.startContainer
+  const ec = r.endContainer
+  const getLineElement = (n: Node) =>
+    (n.nodeType === Node.TEXT_NODE ? (n.parentElement as Element) : (n as Element))?.closest(".line")
+  const sle = getLineElement(sc)
+  const ele = getLineElement(ec)
+  if (!sle || !ele) return null
+  if (!container.contains(sle as Node) || !container.contains(ele as Node)) return null
+  const cc = container.querySelector("code") as HTMLElement | null
+  if (!cc) return null
+  const lines = Array.from(cc.querySelectorAll(".line"))
+  const sli = lines.indexOf(sle as Element)
+  const eli = lines.indexOf(ele as Element)
+  if (sli === -1 || eli === -1) return null
+  const sl = sli + 1
+  const el = eli + 1
+  const sch = getCharacterOffsetInLine(sle as Element, sc, r.startOffset)
+  const ech = getCharacterOffsetInLine(ele as Element, ec, r.endOffset)
+  return { sl, sch, el, ech }
+}
diff --git a/packages/app/src/utils/id.ts b/packages/app/src/utils/id.ts
new file mode 100644
index 000000000..fa27cf4c5
--- /dev/null
+++ b/packages/app/src/utils/id.ts
@@ -0,0 +1,99 @@
+import z from "zod"
+
+const prefixes = {
+  session: "ses",
+  message: "msg",
+  permission: "per",
+  user: "usr",
+  part: "prt",
+  pty: "pty",
+} as const
+
+const LENGTH = 26
+let lastTimestamp = 0
+let counter = 0
+
+type Prefix = keyof typeof prefixes
+export namespace Identifier {
+  export function schema(prefix: Prefix) {
+    return z.string().startsWith(prefixes[prefix])
+  }
+
+  export function ascending(prefix: Prefix, given?: string) {
+    return generateID(prefix, false, given)
+  }
+
+  export function descending(prefix: Prefix, given?: string) {
+    return generateID(prefix, true, given)
+  }
+}
+
+function generateID(prefix: Prefix, descending: boolean, given?: string): string {
+  if (!given) {
+    return create(prefix, descending)
+  }
+
+  if (!given.startsWith(prefixes[prefix])) {
+    throw new Error(`ID ${given} does not start with ${prefixes[prefix]}`)
+  }
+
+  return given
+}
+
+function create(prefix: Prefix, descending: boolean, timestamp?: number): string {
+  const currentTimestamp = timestamp ?? Date.now()
+
+  if (currentTimestamp !== lastTimestamp) {
+    lastTimestamp = currentTimestamp
+    counter = 0
+  }
+
+  counter += 1
+
+  let now = BigInt(currentTimestamp) * BigInt(0x1000) + BigInt(counter)
+
+  if (descending) {
+    now = ~now
+  }
+
+  const timeBytes = new Uint8Array(6)
+  for (let i = 0; i < 6; i += 1) {
+    timeBytes[i] = Number((now >> BigInt(40 - 8 * i)) & BigInt(0xff))
+  }
+
+  return prefixes[prefix] + "_" + bytesToHex(timeBytes) + randomBase62(LENGTH - 12)
+}
+
+function bytesToHex(bytes: Uint8Array): string {
+  let hex = ""
+  for (let i = 0; i < bytes.length; i += 1) {
+    hex += bytes[i].toString(16).padStart(2, "0")
+  }
+  return hex
+}
+
+function randomBase62(length: number): string {
+  const chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
+  const bytes = getRandomBytes(length)
+  let result = ""
+  for (let i = 0; i < length; i += 1) {
+    result += chars[bytes[i] % 62]
+  }
+  return result
+}
+
+function getRandomBytes(length: number): Uint8Array {
+  const bytes = new Uint8Array(length)
+  const cryptoObj = typeof globalThis !== "undefined" ? globalThis.crypto : undefined
+
+  if (cryptoObj && typeof cryptoObj.getRandomValues === "function") {
+    cryptoObj.getRandomValues(bytes)
+    return bytes
+  }
+
+  for (let i = 0; i < length; i += 1) {
+    bytes[i] = Math.floor(Math.random() * 256)
+  }
+
+  return bytes
+}
diff --git a/packages/app/src/utils/index.ts b/packages/app/src/utils/index.ts
new file mode 100644
index 000000000..d87053269
--- /dev/null
+++ b/packages/app/src/utils/index.ts
@@ -0,0 +1 @@
+export * from "./dom"
diff --git a/packages/app/src/utils/persist.ts b/packages/app/src/utils/persist.ts
new file mode 100644
index 000000000..12b334f9f
--- /dev/null
+++ b/packages/app/src/utils/persist.ts
@@ -0,0 +1,26 @@
+import { usePlatform } from "@/context/platform"
+import { makePersisted } from "@solid-primitives/storage"
+import { createResource, type Accessor } from "solid-js"
+import type { SetStoreFunction, Store } from "solid-js/store"
+
+type InitType = Promise<string> | string | null
+type PersistedWithReady<T> = [Store<T>, SetStoreFunction<T>, InitType, Accessor<boolean>]
+
+export function persisted<T>(key: string, store: [Store<T>, SetStoreFunction<T>]): PersistedWithReady<T> {
+  const platform = usePlatform()
+  const [state, setState, init] = makePersisted(store, { name: key, storage: platform.storage?.() ?? localStorage })
+
+  // Create a resource that resolves when the store is initialized
+  // This integrates with Suspense and provides a ready signal
+  const isAsync = init instanceof Promise
+  const [ready] = createResource(
+    () => init,
+    async (initValue) => {
+      if (initValue instanceof Promise) await initValue
+      return true
+    },
+    { initialValue: !isAsync },
+  )
+
+  return [state, setState, init, () => ready() === true]
+}
diff --git a/packages/app/src/utils/prompt.ts b/packages/app/src/utils/prompt.ts
new file mode 100644
index 000000000..45c5ce1f3
--- /dev/null
+++ b/packages/app/src/utils/prompt.ts
@@ -0,0 +1,47 @@
+import type { Part, TextPart, FilePart } from "@opencode-ai/sdk/v2"
+import type { Prompt, FileAttachmentPart } from "@/context/prompt"
+
+/**
+ * Extract prompt content from message parts for restoring into the prompt input.
+ * This is used by undo to restore the original user prompt.
+ */
+export function extractPromptFromParts(parts: Part[]): Prompt {
+  const result: Prompt = []
+  let position = 0
+
+  for (const part of parts) {
+    if (part.type === "text") {
+      const textPart = part as TextPart
+      if (!textPart.synthetic && textPart.text) {
+        result.push({
+          type: "text",
+          content: textPart.text,
+          start: position,
+          end: position + textPart.text.length,
+        })
+        position += textPart.text.length
+      }
+    } else if (part.type === "file") {
+      const filePart = part as FilePart
+      if (filePart.source?.type === "file") {
+        const path = filePart.source.path
+        const content = "@" + path
+        const attachment: FileAttachmentPart = {
+          type: "file",
+          path,
+          content,
+          start: position,
+          end: position + content.length,
+        }
+        result.push(attachment)
+        position += content.length
+      }
+    }
+  }
+
+  if (result.length === 0) {
+    result.push({ type: "text", content: "", start: 0, end: 0 })
+  }
+
+  return result
+}
diff --git a/packages/app/src/utils/solid-dnd.tsx b/packages/app/src/utils/solid-dnd.tsx
new file mode 100644
index 000000000..a634be4b4
--- /dev/null
+++ b/packages/app/src/utils/solid-dnd.tsx
@@ -0,0 +1,55 @@
+import { useDragDropContext } from "@thisbeyond/solid-dnd"
+import { JSXElement } from "solid-js"
+import type { Transformer } from "@thisbeyond/solid-dnd"
+
+export const getDraggableId = (event: unknown): string | undefined => {
+  if (typeof event !== "object" || event === null) return undefined
+  if (!("draggable" in event)) return undefined
+  const draggable = (event as { draggable?: { id?: unknown } }).draggable
+  if (!draggable) return undefined
+  return typeof draggable.id === "string" ? draggable.id : undefined
+}
+
+export const ConstrainDragXAxis = (): JSXElement => {
+  const context = useDragDropContext()
+  if (!context) return <></>
+  const [, { onDragStart, onDragEnd, addTransformer, removeTransformer }] = context
+  const transformer: Transformer = {
+    id: "constrain-x-axis",
+    order: 100,
+    callback: (transform) => ({ ...transform, x: 0 }),
+  }
+  onDragStart((event) => {
+    const id = getDraggableId(event)
+    if (!id) return
+    addTransformer("draggables", id, transformer)
+  })
+  onDragEnd((event) => {
+    const id = getDraggableId(event)
+    if (!id) return
+    removeTransformer("draggables", id, transformer.id)
+  })
+  return <></>
+}
+
+export const ConstrainDragYAxis = (): JSXElement => {
+  const context = useDragDropContext()
+  if (!context) return <></>
+  const [, { onDragStart, onDragEnd, addTransformer, removeTransformer }] = context
+  const transformer: Transformer = {
+    id: "constrain-y-axis",
+    order: 100,
+    callback: (transform) => ({ ...transform, y: 0 }),
+  }
+  onDragStart((event) => {
+    const id = getDraggableId(event)
+    if (!id) return
+    addTransformer("draggables", id, transformer)
+  })
+  onDragEnd((event) => {
+    const id = getDraggableId(event)
+    if (!id) return
+    removeTransformer("draggables", id, transformer.id)
+  })
+  return <></>
+}
diff --git a/packages/app/src/utils/speech.ts b/packages/app/src/utils/speech.ts
new file mode 100644
index 000000000..921e0a159
--- /dev/null
+++ b/packages/app/src/utils/speech.ts
@@ -0,0 +1,302 @@
+import { createSignal, onCleanup } from "solid-js"
+
+// Minimal types to avoid relying on non-standard DOM typings
+type RecognitionResult = {
+  0: { transcript: string }
+  isFinal: boolean
+}
+
+type RecognitionEvent = {
+  results: RecognitionResult[]
+  resultIndex: number
+}
+
+interface Recognition {
+  continuous: boolean
+  interimResults: boolean
+  lang: string
+  start: () => void
+  stop: () => void
+  onresult: ((e: RecognitionEvent) => void) | null
+  onerror: ((e: { error: string }) => void) | null
+  onend: (() => void) | null
+  onstart: (() => void) | null
+}
+
+const COMMIT_DELAY = 250
+
+const appendSegment = (base: string, addition: string) => {
+  const trimmed = addition.trim()
+  if (!trimmed) return base
+  if (!base) return trimmed
+  const needsSpace = /\S$/.test(base) && !/^[,.;!?]/.test(trimmed)
+  return `${base}${needsSpace ? " " : ""}${trimmed}`
+}
+
+const extractSuffix = (committed: string, hypothesis: string) => {
+  const cleanHypothesis = hypothesis.trim()
+  if (!cleanHypothesis) return ""
+  const baseTokens = committed.trim() ? committed.trim().split(/\s+/) : []
+  const hypothesisTokens = cleanHypothesis.split(/\s+/)
+  let index = 0
+  while (
+    index < baseTokens.length &&
+    index < hypothesisTokens.length &&
+    baseTokens[index] === hypothesisTokens[index]
+  ) {
+    index += 1
+  }
+  if (index < baseTokens.length) return ""
+  return hypothesisTokens.slice(index).join(" ")
+}
+
+export function createSpeechRecognition(opts?: {
+  lang?: string
+  onFinal?: (text: string) => void
+  onInterim?: (text: string) => void
+}) {
+  const hasSupport =
+    typeof window !== "undefined" &&
+    Boolean((window as any).webkitSpeechRecognition || (window as any).SpeechRecognition)
+
+  const [isRecording, setIsRecording] = createSignal(false)
+  const [committed, setCommitted] = createSignal("")
+  const [interim, setInterim] = createSignal("")
+
+  let recognition: Recognition | undefined
+  let shouldContinue = false
+  let committedText = ""
+  let sessionCommitted = ""
+  let pendingHypothesis = ""
+  let lastInterimSuffix = ""
+  let shrinkCandidate: string | undefined
+  let commitTimer: number | undefined
+
+  const cancelPendingCommit = () => {
+    if (commitTimer === undefined) return
+    clearTimeout(commitTimer)
+    commitTimer = undefined
+  }
+
+  const commitSegment = (segment: string) => {
+    const nextCommitted = appendSegment(committedText, segment)
+    if (nextCommitted === committedText) return
+    committedText = nextCommitted
+    setCommitted(committedText)
+    if (opts?.onFinal) opts.onFinal(segment.trim())
+  }
+
+  const promotePending = () => {
+    if (!pendingHypothesis) return
+    const suffix = extractSuffix(sessionCommitted, pendingHypothesis)
+    if (!suffix) {
+      pendingHypothesis = ""
+      return
+    }
+    sessionCommitted = appendSegment(sessionCommitted, suffix)
+    commitSegment(suffix)
+    pendingHypothesis = ""
+    lastInterimSuffix = ""
+    shrinkCandidate = undefined
+    setInterim("")
+    if (opts?.onInterim) opts.onInterim("")
+  }
+
+  const applyInterim = (suffix: string, hypothesis: string) => {
+    cancelPendingCommit()
+    pendingHypothesis = hypothesis
+    lastInterimSuffix = suffix
+    shrinkCandidate = undefined
+    setInterim(suffix)
+    if (opts?.onInterim) {
+      opts.onInterim(suffix ? appendSegment(committedText, suffix) : "")
+    }
+    if (!suffix) return
+    const snapshot = hypothesis
+    commitTimer = window.setTimeout(() => {
+      if (pendingHypothesis !== snapshot) return
+      const currentSuffix = extractSuffix(sessionCommitted, pendingHypothesis)
+      if (!currentSuffix) return
+      sessionCommitted = appendSegment(sessionCommitted, currentSuffix)
+      commitSegment(currentSuffix)
+      pendingHypothesis = ""
+      lastInterimSuffix = ""
+      shrinkCandidate = undefined
+      setInterim("")
+      if (opts?.onInterim) opts.onInterim("")
+    }, COMMIT_DELAY)
+  }
+
+  if (hasSupport) {
+    const Ctor: new () => Recognition = (window as any).webkitSpeechRecognition || (window as any).SpeechRecognition
+
+    recognition = new Ctor()
+    recognition.continuous = false
+    recognition.interimResults = true
+    recognition.lang = opts?.lang || (typeof navigator !== "undefined" ? navigator.language : "en-US")
+
+    recognition.onresult = (event: RecognitionEvent) => {
+      if (!event.results.length) return
+
+      let aggregatedFinal = ""
+      let latestHypothesis = ""
+
+      for (let i = 0; i < event.results.length; i += 1) {
+        const result = event.results[i]
+        const transcript = (result[0]?.transcript || "").trim()
+        if (!transcript) continue
+        if (result.isFinal) {
+          aggregatedFinal = appendSegment(aggregatedFinal, transcript)
+        } else {
+          latestHypothesis = transcript
+        }
+      }
+
+      if (aggregatedFinal) {
+        cancelPendingCommit()
+        const finalSuffix = extractSuffix(sessionCommitted, aggregatedFinal)
+        if (finalSuffix) {
+          sessionCommitted = appendSegment(sessionCommitted, finalSuffix)
+          commitSegment(finalSuffix)
+        }
+        pendingHypothesis = ""
+        lastInterimSuffix = ""
+        shrinkCandidate = undefined
+        setInterim("")
+        if (opts?.onInterim) opts.onInterim("")
+        return
+      }
+
+      cancelPendingCommit()
+
+      if (!latestHypothesis) {
+        shrinkCandidate = undefined
+        applyInterim("", "")
+        return
+      }
+
+      const suffix = extractSuffix(sessionCommitted, latestHypothesis)
+
+      if (!suffix) {
+        if (!lastInterimSuffix) {
+          shrinkCandidate = undefined
+          applyInterim("", latestHypothesis)
+          return
+        }
+        if (shrinkCandidate === "") {
+          applyInterim("", latestHypothesis)
+          return
+        }
+        shrinkCandidate = ""
+        pendingHypothesis = latestHypothesis
+        return
+      }
+
+      if (lastInterimSuffix && suffix.length < lastInterimSuffix.length) {
+        if (shrinkCandidate === suffix) {
+          applyInterim(suffix, latestHypothesis)
+          return
+        }
+        shrinkCandidate = suffix
+        pendingHypothesis = latestHypothesis
+        return
+      }
+
+      shrinkCandidate = undefined
+      applyInterim(suffix, latestHypothesis)
+    }
+
+    recognition.onerror = (e: { error: string }) => {
+      cancelPendingCommit()
+      lastInterimSuffix = ""
+      shrinkCandidate = undefined
+      if (e.error === "no-speech" && shouldContinue) {
+        setInterim("")
+        if (opts?.onInterim) opts.onInterim("")
+        setTimeout(() => {
+          try {
+            recognition?.start()
+          } catch {}
+        }, 150)
+        return
+      }
+      shouldContinue = false
+      setIsRecording(false)
+    }
+
+    recognition.onstart = () => {
+      sessionCommitted = ""
+      pendingHypothesis = ""
+      cancelPendingCommit()
+      lastInterimSuffix = ""
+      shrinkCandidate = undefined
+      setInterim("")
+      if (opts?.onInterim) opts.onInterim("")
+      setIsRecording(true)
+    }
+
+    recognition.onend = () => {
+      cancelPendingCommit()
+      lastInterimSuffix = ""
+      shrinkCandidate = undefined
+      setIsRecording(false)
+      if (shouldContinue) {
+        setTimeout(() => {
+          try {
+            recognition?.start()
+          } catch {}
+        }, 150)
+      }
+    }
+  }
+
+  const start = () => {
+    if (!recognition) return
+    shouldContinue = true
+    sessionCommitted = ""
+    pendingHypothesis = ""
+    cancelPendingCommit()
+    lastInterimSuffix = ""
+    shrinkCandidate = undefined
+    setInterim("")
+    try {
+      recognition.start()
+    } catch {}
+  }
+
+  const stop = () => {
+    if (!recognition) return
+    shouldContinue = false
+    promotePending()
+    cancelPendingCommit()
+    lastInterimSuffix = ""
+    shrinkCandidate = undefined
+    setInterim("")
+    if (opts?.onInterim) opts.onInterim("")
+    try {
+      recognition.stop()
+    } catch {}
+  }
+
+  onCleanup(() => {
+    shouldContinue = false
+    promotePending()
+    cancelPendingCommit()
+    lastInterimSuffix = ""
+    shrinkCandidate = undefined
+    setInterim("")
+    if (opts?.onInterim) opts.onInterim("")
+    try {
+      recognition?.stop()
+    } catch {}
+  })
+
+  return {
+    isSupported: () => hasSupport,
+    isRecording,
+    committed,
+    interim,
+    start,
+    stop,
+  }
+}