chore: refactor packages/app files (#13236)

Co-authored-by: opencode-agent[bot] <opencode-agent[bot]@users.noreply.github.com>
Co-authored-by: Frank <[email protected]>

18 files changed, 1149 insertions, 930 deletions

diff --git a/packages/app/src/pages/directory-layout.tsx b/packages/app/src/pages/directory-layout.tsx
index f36bb7ab4..2dee09dfb 100644
--- a/packages/app/src/pages/directory-layout.tsx
+++ b/packages/app/src/pages/directory-layout.tsx
@@ -1,21 +1,47 @@
 import { createEffect, createMemo, Show, type ParentProps } from "solid-js"
+import { createStore } from "solid-js/store"
 import { useNavigate, useParams } from "@solidjs/router"
 import { SDKProvider, useSDK } from "@/context/sdk"
 import { SyncProvider, useSync } from "@/context/sync"
 import { LocalProvider } from "@/context/local"
 
 import { DataProvider } from "@opencode-ai/ui/context"
-import { iife } from "@opencode-ai/util/iife"
 import type { QuestionAnswer } from "@opencode-ai/sdk/v2"
 import { decode64 } from "@/utils/base64"
 import { showToast } from "@opencode-ai/ui/toast"
 import { useLanguage } from "@/context/language"
 
+function DirectoryDataProvider(props: ParentProps<{ directory: string }>) {
+  const params = useParams()
+  const navigate = useNavigate()
+  const sync = useSync()
+  const sdk = useSDK()
+
+  return (
+    <DataProvider
+      data={sync.data}
+      directory={props.directory}
+      onPermissionRespond={(input: {
+        sessionID: string
+        permissionID: string
+        response: "once" | "always" | "reject"
+      }) => sdk.client.permission.respond(input)}
+      onQuestionReply={(input: { requestID: string; answers: QuestionAnswer[] }) => sdk.client.question.reply(input)}
+      onQuestionReject={(input: { requestID: string }) => sdk.client.question.reject(input)}
+      onNavigateToSession={(sessionID: string) => navigate(`/${params.dir}/session/${sessionID}`)}
+      onSessionHref={(sessionID: string) => `/${params.dir}/session/${sessionID}`}
+      onSyncSession={(sessionID: string) => sync.session.sync(sessionID)}
+    >
+      <LocalProvider>{props.children}</LocalProvider>
+    </DataProvider>
+  )
+}
+
 export default function Layout(props: ParentProps) {
   const params = useParams()
   const navigate = useNavigate()
   const language = useLanguage()
-  let invalid = ""
+  const [store, setStore] = createStore({ invalid: "" })
   const directory = createMemo(() => {
     return decode64(params.dir) ?? ""
   })
@@ -23,8 +49,8 @@ export default function Layout(props: ParentProps) {
   createEffect(() => {
     if (!params.dir) return
     if (directory()) return
-    if (invalid === params.dir) return
-    invalid = params.dir
+    if (store.invalid === params.dir) return
+    setStore("invalid", params.dir)
     showToast({
       variant: "error",
       title: language.t("common.requestFailed"),
@@ -36,46 +62,7 @@ export default function Layout(props: ParentProps) {
     <Show when={directory()}>
       <SDKProvider directory={directory}>
         <SyncProvider>
-          {iife(() => {
-            const sync = useSync()
-            const sdk = useSDK()
-            const respond = (input: {
-              sessionID: string
-              permissionID: string
-              response: "once" | "always" | "reject"
-            }) => sdk.client.permission.respond(input)
-
-            const replyToQuestion = (input: { requestID: string; answers: QuestionAnswer[] }) =>
-              sdk.client.question.reply(input)
-
-            const rejectQuestion = (input: { requestID: string }) => sdk.client.question.reject(input)
-
-            const navigateToSession = (sessionID: string) => {
-              navigate(`/${params.dir}/session/${sessionID}`)
-            }
-
-            const sessionHref = (sessionID: string) => {
-              if (params.dir) return `/${params.dir}/session/${sessionID}`
-              return `/session/${sessionID}`
-            }
-
-            const syncSession = (sessionID: string) => sync.session.sync(sessionID)
-
-            return (
-              <DataProvider
-                data={sync.data}
-                directory={directory()}
-                onPermissionRespond={respond}
-                onQuestionReply={replyToQuestion}
-                onQuestionReject={rejectQuestion}
-                onNavigateToSession={navigateToSession}
-                onSessionHref={sessionHref}
-                onSyncSession={syncSession}
-              >
-                <LocalProvider>{props.children}</LocalProvider>
-              </DataProvider>
-            )
-          })}
+          <DirectoryDataProvider directory={directory()}>{props.children}</DirectoryDataProvider>
         </SyncProvider>
       </SDKProvider>
     </Show>
diff --git a/packages/app/src/pages/error.tsx b/packages/app/src/pages/error.tsx
index 6d6faf6fa..a30d86d18 100644
--- a/packages/app/src/pages/error.tsx
+++ b/packages/app/src/pages/error.tsx
@@ -13,6 +13,17 @@ export type InitError = {
 }
 
 type Translator = ReturnType<typeof useLanguage>["t"]
+const CHAIN_SEPARATOR = "\n" + "─".repeat(40) + "\n"
+
+function isIssue(value: unknown): value is { message: string; path: string[] } {
+  if (!value || typeof value !== "object") return false
+  if (!("message" in value) || !("path" in value)) return false
+  const message = (value as { message: unknown }).message
+  const path = (value as { path: unknown }).path
+  if (typeof message !== "string") return false
+  if (!Array.isArray(path)) return false
+  return path.every((part) => typeof part === "string")
+}
 
 function isInitError(error: unknown): error is InitError {
   return (
@@ -112,9 +123,7 @@ function formatInitError(error: InitError, t: Translator): string {
     }
     case "ConfigInvalidError": {
       const issues = Array.isArray(data.issues)
-        ? data.issues.map(
-            (issue: { message: string; path: string[] }) => "↳ " + issue.message + " " + issue.path.join("."),
-          )
+        ? data.issues.filter(isIssue).map((issue) => "↳ " + issue.message + " " + issue.path.join("."))
         : []
       const message = typeof data.message === "string" ? data.message : ""
       const path = typeof data.path === "string" ? data.path : safeJson(data.path)
@@ -139,14 +148,14 @@ function formatErrorChain(error: unknown, t: Translator, depth = 0, parentMessag
   if (isInitError(error)) {
     const message = formatInitError(error, t)
     if (depth > 0 && parentMessage === message) return ""
-    const indent = depth > 0 ? `\n${"─".repeat(40)}\n${t("error.chain.causedBy")}\n` : ""
+    const indent = depth > 0 ? `\n${CHAIN_SEPARATOR}${t("error.chain.causedBy")}\n` : ""
     return indent + `${error.name}\n${message}`
   }
 
   if (error instanceof Error) {
     const isDuplicate = depth > 0 && parentMessage === error.message
     const parts: string[] = []
-    const indent = depth > 0 ? `\n${"─".repeat(40)}\n${t("error.chain.causedBy")}\n` : ""
+    const indent = depth > 0 ? `\n${CHAIN_SEPARATOR}${t("error.chain.causedBy")}\n` : ""
 
     const header = `${error.name}${error.message ? `: ${error.message}` : ""}`
     const stack = error.stack?.trim()
@@ -190,11 +199,11 @@ function formatErrorChain(error: unknown, t: Translator, depth = 0, parentMessag
 
   if (typeof error === "string") {
     if (depth > 0 && parentMessage === error) return ""
-    const indent = depth > 0 ? `\n${"─".repeat(40)}\n${t("error.chain.causedBy")}\n` : ""
+    const indent = depth > 0 ? `\n${CHAIN_SEPARATOR}${t("error.chain.causedBy")}\n` : ""
     return indent + error
   }
 
-  const indent = depth > 0 ? `\n${"─".repeat(40)}\n${t("error.chain.causedBy")}\n` : ""
+  const indent = depth > 0 ? `\n${CHAIN_SEPARATOR}${t("error.chain.causedBy")}\n` : ""
   return indent + safeJson(error)
 }
 
@@ -212,20 +221,35 @@ export const ErrorPage: Component<ErrorPageProps> = (props) => {
   const [store, setStore] = createStore({
     checking: false,
     version: undefined as string | undefined,
+    actionError: undefined as string | undefined,
   })
 
   async function checkForUpdates() {
     if (!platform.checkUpdate) return
     setStore("checking", true)
-    const result = await platform.checkUpdate()
-    setStore("checking", false)
-    if (result.updateAvailable && result.version) setStore("version", result.version)
+    await platform
+      .checkUpdate()
+      .then((result) => {
+        setStore("actionError", undefined)
+        if (result.updateAvailable && result.version) setStore("version", result.version)
+      })
+      .catch((err) => {
+        setStore("actionError", formatError(err, language.t))
+      })
+      .finally(() => {
+        setStore("checking", false)
+      })
   }
 
   async function installUpdate() {
     if (!platform.update || !platform.restart) return
-    await platform.update()
-    await platform.restart()
+    await platform
+      .update()
+      .then(() => platform.restart!())
+      .then(() => setStore("actionError", undefined))
+      .catch((err) => {
+        setStore("actionError", formatError(err, language.t))
+      })
   }
 
   return (
@@ -266,6 +290,9 @@ export const ErrorPage: Component<ErrorPageProps> = (props) => {
             </Show>
           </Show>
         </div>
+        <Show when={store.actionError}>
+          {(message) => <p class="text-xs text-text-danger-base text-center max-w-2xl">{message()}</p>}
+        </Show>
         <div class="flex flex-col items-center gap-2">
           <div class="flex items-center justify-center gap-1">
             {language.t("error.page.report.prefix")}
diff --git a/packages/app/src/pages/home.tsx b/packages/app/src/pages/home.tsx
index 6b61ed300..ba3a2b942 100644
--- a/packages/app/src/pages/home.tsx
+++ b/packages/app/src/pages/home.tsx
@@ -30,6 +30,13 @@ export default function Home() {
       .slice(0, 5)
   })
 
+  const serverDotClass = createMemo(() => {
+    const healthy = server.healthy()
+    if (healthy === true) return "bg-icon-success-base"
+    if (healthy === false) return "bg-icon-critical-base"
+    return "bg-border-weak-base"
+  })
+
   function openProject(directory: string) {
     layout.projects.open(directory)
     server.projects.touch(directory)
@@ -73,9 +80,7 @@ export default function Home() {
         <div
           classList={{
             "size-2 rounded-full": true,
-            "bg-icon-success-base": server.healthy() === true,
-            "bg-icon-critical-base": server.healthy() === false,
-            "bg-border-weak-base": server.healthy() === undefined,
+            [serverDotClass()]: true,
           }}
         />
         {server.name}
@@ -115,8 +120,7 @@ export default function Home() {
               <div class="text-14-medium text-text-strong">{language.t("home.empty.title")}</div>
               <div class="text-12-regular text-text-weak">{language.t("home.empty.description")}</div>
             </div>
-            <div />
-            <Button class="px-3" onClick={chooseProject}>
+            <Button class="px-3 mt-1" onClick={chooseProject}>
               {language.t("command.project.open")}
             </Button>
           </div>
diff --git a/packages/app/src/pages/layout.tsx b/packages/app/src/pages/layout.tsx
index 1513752f0..aca52564b 100644
--- a/packages/app/src/pages/layout.tsx
+++ b/packages/app/src/pages/layout.tsx
@@ -207,6 +207,18 @@ export default function Layout(props: ParentProps) {
   const setEditor = editor.setEditor
   const InlineEditor = editor.InlineEditor
 
+  const clearSidebarHoverState = () => {
+    if (layout.sidebar.opened()) return
+    setState("hoverSession", undefined)
+    setState("hoverProject", undefined)
+  }
+
+  const navigateWithSidebarReset = (href: string) => {
+    clearSidebarHoverState()
+    navigate(href)
+    layout.mobileSidebar.hide()
+  }
+
   function cycleTheme(direction = 1) {
     const ids = availableThemeEntries().map(([id]) => id)
     if (ids.length === 0) return
@@ -252,166 +264,167 @@ export default function Layout(props: ParentProps) {
     setLocale(next)
   }
 
-  onMount(() => {
-    if (!platform.checkUpdate || !platform.update || !platform.restart) return
-
-    let toastId: number | undefined
-    let interval: ReturnType<typeof setInterval> | undefined
-
-    async function pollUpdate() {
-      const { updateAvailable, version } = await platform.checkUpdate!()
-      if (updateAvailable && toastId === undefined) {
-        toastId = showToast({
-          persistent: true,
-          icon: "download",
-          title: language.t("toast.update.title"),
-          description: language.t("toast.update.description", { version: version ?? "" }),
-          actions: [
-            {
-              label: language.t("toast.update.action.installRestart"),
-              onClick: async () => {
-                await platform.update!()
-                await platform.restart!()
+  const useUpdatePolling = () =>
+    onMount(() => {
+      if (!platform.checkUpdate || !platform.update || !platform.restart) return
+
+      let toastId: number | undefined
+      let interval: ReturnType<typeof setInterval> | undefined
+
+      const pollUpdate = () =>
+        platform.checkUpdate!().then(({ updateAvailable, version }) => {
+          if (!updateAvailable) return
+          if (toastId !== undefined) return
+          toastId = showToast({
+            persistent: true,
+            icon: "download",
+            title: language.t("toast.update.title"),
+            description: language.t("toast.update.description", { version: version ?? "" }),
+            actions: [
+              {
+                label: language.t("toast.update.action.installRestart"),
+                onClick: async () => {
+                  await platform.update!()
+                  await platform.restart!()
+                },
               },
-            },
-            {
-              label: language.t("toast.update.action.notYet"),
-              onClick: "dismiss",
-            },
-          ],
+              {
+                label: language.t("toast.update.action.notYet"),
+                onClick: "dismiss",
+              },
+            ],
+          })
         })
-      }
-    }
 
-    createEffect(() => {
-      if (!settings.ready()) return
+      createEffect(() => {
+        if (!settings.ready()) return
 
-      if (!settings.updates.startup()) {
+        if (!settings.updates.startup()) {
+          if (interval === undefined) return
+          clearInterval(interval)
+          interval = undefined
+          return
+        }
+
+        if (interval !== undefined) return
+        void pollUpdate()
+        interval = setInterval(pollUpdate, 10 * 60 * 1000)
+      })
+
+      onCleanup(() => {
         if (interval === undefined) return
         clearInterval(interval)
-        interval = undefined
-        return
-      }
-
-      if (interval !== undefined) return
-      void pollUpdate()
-      interval = setInterval(pollUpdate, 10 * 60 * 1000)
+      })
     })
 
-    onCleanup(() => {
-      if (interval === undefined) return
-      clearInterval(interval)
-    })
-  })
+  const useSDKNotificationToasts = () =>
+    onMount(() => {
+      const toastBySession = new Map<string, number>()
+      const alertedAtBySession = new Map<string, number>()
+      const cooldownMs = 5000
 
-  onMount(() => {
-    const toastBySession = new Map<string, number>()
-    const alertedAtBySession = new Map<string, number>()
-    const cooldownMs = 5000
-
-    const unsub = globalSDK.event.listen((e) => {
-      if (e.details?.type === "worktree.ready") {
-        setBusy(e.name, false)
-        WorktreeState.ready(e.name)
-        return
+      const dismissSessionAlert = (sessionKey: string) => {
+        const toastId = toastBySession.get(sessionKey)
+        if (toastId === undefined) return
+        toaster.dismiss(toastId)
+        toastBySession.delete(sessionKey)
+        alertedAtBySession.delete(sessionKey)
       }
 
-      if (e.details?.type === "worktree.failed") {
-        setBusy(e.name, false)
-        WorktreeState.failed(e.name, e.details.properties?.message ?? language.t("common.requestFailed"))
-        return
-      }
+      const unsub = globalSDK.event.listen((e) => {
+        if (e.details?.type === "worktree.ready") {
+          setBusy(e.name, false)
+          WorktreeState.ready(e.name)
+          return
+        }
 
-      if (e.details?.type !== "permission.asked" && e.details?.type !== "question.asked") return
-      const title =
-        e.details.type === "permission.asked"
-          ? language.t("notification.permission.title")
-          : language.t("notification.question.title")
-      const icon = e.details.type === "permission.asked" ? ("checklist" as const) : ("bubble-5" as const)
-      const directory = e.name
-      const props = e.details.properties
-      if (e.details.type === "permission.asked" && permission.autoResponds(e.details.properties, directory)) return
-
-      const [store] = globalSync.child(directory, { bootstrap: false })
-      const session = store.session.find((s) => s.id === props.sessionID)
-      const sessionKey = `${directory}:${props.sessionID}`
-
-      const sessionTitle = session?.title ?? language.t("command.session.new")
-      const projectName = getFilename(directory)
-      const description =
-        e.details.type === "permission.asked"
-          ? language.t("notification.permission.description", { sessionTitle, projectName })
-          : language.t("notification.question.description", { sessionTitle, projectName })
-      const href = `/${base64Encode(directory)}/session/${props.sessionID}`
-
-      const now = Date.now()
-      const lastAlerted = alertedAtBySession.get(sessionKey) ?? 0
-      if (now - lastAlerted < cooldownMs) return
-      alertedAtBySession.set(sessionKey, now)
-
-      if (e.details.type === "permission.asked") {
-        playSound(soundSrc(settings.sounds.permissions()))
-        if (settings.notifications.permissions()) {
-          void platform.notify(title, description, href)
+        if (e.details?.type === "worktree.failed") {
+          setBusy(e.name, false)
+          WorktreeState.failed(e.name, e.details.properties?.message ?? language.t("common.requestFailed"))
+          return
         }
-      }
 
-      if (e.details.type === "question.asked") {
-        if (settings.notifications.agent()) {
-          void platform.notify(title, description, href)
+        if (e.details?.type !== "permission.asked" && e.details?.type !== "question.asked") return
+        const title =
+          e.details.type === "permission.asked"
+            ? language.t("notification.permission.title")
+            : language.t("notification.question.title")
+        const icon = e.details.type === "permission.asked" ? ("checklist" as const) : ("bubble-5" as const)
+        const directory = e.name
+        const props = e.details.properties
+        if (e.details.type === "permission.asked" && permission.autoResponds(e.details.properties, directory)) return
+
+        const [store] = globalSync.child(directory, { bootstrap: false })
+        const session = store.session.find((s) => s.id === props.sessionID)
+        const sessionKey = `${directory}:${props.sessionID}`
+
+        const sessionTitle = session?.title ?? language.t("command.session.new")
+        const projectName = getFilename(directory)
+        const description =
+          e.details.type === "permission.asked"
+            ? language.t("notification.permission.description", { sessionTitle, projectName })
+            : language.t("notification.question.description", { sessionTitle, projectName })
+        const href = `/${base64Encode(directory)}/session/${props.sessionID}`
+
+        const now = Date.now()
+        const lastAlerted = alertedAtBySession.get(sessionKey) ?? 0
+        if (now - lastAlerted < cooldownMs) return
+        alertedAtBySession.set(sessionKey, now)
+
+        if (e.details.type === "permission.asked") {
+          playSound(soundSrc(settings.sounds.permissions()))
+          if (settings.notifications.permissions()) {
+            void platform.notify(title, description, href)
+          }
         }
-      }
 
-      const currentSession = params.id
-      if (directory === currentDir() && props.sessionID === currentSession) return
-      if (directory === currentDir() && session?.parentID === currentSession) return
-
-      const existingToastId = toastBySession.get(sessionKey)
-      if (existingToastId !== undefined) toaster.dismiss(existingToastId)
-
-      const toastId = showToast({
-        persistent: true,
-        icon,
-        title,
-        description,
-        actions: [
-          {
-            label: language.t("notification.action.goToSession"),
-            onClick: () => navigate(href),
-          },
-          {
-            label: language.t("common.dismiss"),
-            onClick: "dismiss",
-          },
-        ],
+        if (e.details.type === "question.asked") {
+          if (settings.notifications.agent()) {
+            void platform.notify(title, description, href)
+          }
+        }
+
+        const currentSession = params.id
+        if (directory === currentDir() && props.sessionID === currentSession) return
+        if (directory === currentDir() && session?.parentID === currentSession) return
+
+        dismissSessionAlert(sessionKey)
+
+        const toastId = showToast({
+          persistent: true,
+          icon,
+          title,
+          description,
+          actions: [
+            {
+              label: language.t("notification.action.goToSession"),
+              onClick: () => navigate(href),
+            },
+            {
+              label: language.t("common.dismiss"),
+              onClick: "dismiss",
+            },
+          ],
+        })
+        toastBySession.set(sessionKey, toastId)
       })
-      toastBySession.set(sessionKey, toastId)
-    })
-    onCleanup(unsub)
-
-    createEffect(() => {
-      const currentSession = params.id
-      if (!currentDir() || !currentSession) return
-      const sessionKey = `${currentDir()}:${currentSession}`
-      const toastId = toastBySession.get(sessionKey)
-      if (toastId !== undefined) {
-        toaster.dismiss(toastId)
-        toastBySession.delete(sessionKey)
-        alertedAtBySession.delete(sessionKey)
-      }
-      const [store] = globalSync.child(currentDir(), { bootstrap: false })
-      const childSessions = store.session.filter((s) => s.parentID === currentSession)
-      for (const child of childSessions) {
-        const childKey = `${currentDir()}:${child.id}`
-        const childToastId = toastBySession.get(childKey)
-        if (childToastId !== undefined) {
-          toaster.dismiss(childToastId)
-          toastBySession.delete(childKey)
-          alertedAtBySession.delete(childKey)
+      onCleanup(unsub)
+
+      createEffect(() => {
+        const currentSession = params.id
+        if (!currentDir() || !currentSession) return
+        const sessionKey = `${currentDir()}:${currentSession}`
+        dismissSessionAlert(sessionKey)
+        const [store] = globalSync.child(currentDir(), { bootstrap: false })
+        const childSessions = store.session.filter((s) => s.parentID === currentSession)
+        for (const child of childSessions) {
+          dismissSessionAlert(`${currentDir()}:${child.id}`)
         }
-      }
+      })
     })
-  })
+
+  useUpdatePolling()
+  useSDKNotificationToasts()
 
   function scrollToSession(sessionId: string, sessionKey: string) {
     if (!scrollContainerRef) return
@@ -641,6 +654,21 @@ export default function Layout(props: ParentProps) {
     return created
   }
 
+  const mergeByID = <T extends { id: string }>(current: T[], incoming: T[]) => {
+    if (current.length === 0) {
+      return incoming.slice().sort((a, b) => (a.id < b.id ? -1 : a.id > b.id ? 1 : 0))
+    }
+
+    const map = new Map<string, T>()
+    for (const item of current) {
+      map.set(item.id, item)
+    }
+    for (const item of incoming) {
+      map.set(item.id, item)
+    }
+    return [...map.values()].sort((a, b) => (a.id < b.id ? -1 : a.id > b.id ? 1 : 0))
+  }
+
   async function prefetchMessages(directory: string, sessionID: string, token: number) {
     const [store, setStore] = globalSync.child(directory, { bootstrap: false })
 
@@ -649,51 +677,24 @@ export default function Layout(props: ParentProps) {
         if (prefetchToken.value !== token) return
 
         const items = (messages.data ?? []).filter((x) => !!x?.info?.id)
-        const next = items
-          .map((x) => x.info)
-          .filter((m) => !!m?.id)
-          .slice()
-          .sort((a, b) => (a.id < b.id ? -1 : a.id > b.id ? 1 : 0))
+        const next = items.map((x) => x.info).filter((m): m is Message => !!m?.id)
+        const sorted = mergeByID([], next)
 
         const current = store.message[sessionID] ?? []
-        const merged = (() => {
-          if (current.length === 0) return next
-
-          const map = new Map<string, Message>()
-          for (const item of current) {
-            if (!item?.id) continue
-            map.set(item.id, item)
-          }
-          for (const item of next) {
-            map.set(item.id, item)
-          }
-          return [...map.values()].sort((a, b) => (a.id < b.id ? -1 : a.id > b.id ? 1 : 0))
-        })()
+        const merged = mergeByID(
+          current.filter((item): item is Message => !!item?.id),
+          sorted,
+        )
 
         batch(() => {
           setStore("message", sessionID, reconcile(merged, { key: "id" }))
 
           for (const message of items) {
             const currentParts = store.part[message.info.id] ?? []
-            const mergedParts = (() => {
-              if (currentParts.length === 0) {
-                return message.parts
-                  .filter((p) => !!p?.id)
-                  .slice()
-                  .sort((a, b) => (a.id < b.id ? -1 : a.id > b.id ? 1 : 0))
-              }
-
-              const map = new Map<string, (typeof currentParts)[number]>()
-              for (const item of currentParts) {
-                if (!item?.id) continue
-                map.set(item.id, item)
-              }
-              for (const item of message.parts) {
-                if (!item?.id) continue
-                map.set(item.id, item)
-              }
-              return [...map.values()].sort((a, b) => (a.id < b.id ? -1 : a.id > b.id ? 1 : 0))
-            })()
+            const mergedParts = mergeByID(
+              currentParts.filter((item): item is (typeof currentParts)[number] & { id: string } => !!item?.id),
+              message.parts.filter((item): item is (typeof message.parts)[number] & { id: string } => !!item?.id),
+            )
 
             setStore("part", message.info.id, reconcile(mergedParts, { key: "id" }))
           }
@@ -1073,24 +1074,14 @@ export default function Layout(props: ParentProps) {
 
   function navigateToProject(directory: string | undefined) {
     if (!directory) return
-    if (!layout.sidebar.opened()) {
-      setState("hoverSession", undefined)
-      setState("hoverProject", undefined)
-    }
     server.projects.touch(directory)
     const lastSession = store.lastSession[directory]
-    navigate(`/${base64Encode(directory)}${lastSession ? `/session/${lastSession}` : ""}`)
-    layout.mobileSidebar.hide()
+    navigateWithSidebarReset(`/${base64Encode(directory)}${lastSession ? `/session/${lastSession}` : ""}`)
   }
 
   function navigateToSession(session: Session | undefined) {
     if (!session) return
-    if (!layout.sidebar.opened()) {
-      setState("hoverSession", undefined)
-      setState("hoverProject", undefined)
-    }
-    navigate(`/${base64Encode(session.directory)}/session/${session.id}`)
-    layout.mobileSidebar.hide()
+    navigateWithSidebarReset(`/${base64Encode(session.directory)}/session/${session.id}`)
   }
 
   function openProject(directory: string, navigate = true) {
@@ -1555,10 +1546,7 @@ export default function Layout(props: ParentProps) {
   }
 
   const createWorkspace = async (project: LocalProject) => {
-    if (!layout.sidebar.opened()) {
-      setState("hoverSession", undefined)
-      setState("hoverProject", undefined)
-    }
+    clearSidebarHoverState()
     const created = await globalSDK.client.worktree
       .create({ directory: project.worktree })
       .then((x) => x.data)
@@ -1595,8 +1583,7 @@ export default function Layout(props: ParentProps) {
     })
 
     globalSync.child(created.directory)
-    navigate(`/${base64Encode(created.directory)}/session`)
-    layout.mobileSidebar.hide()
+    navigateWithSidebarReset(`/${base64Encode(created.directory)}/session`)
   }
 
   const workspaceSidebarCtx: WorkspaceSidebarContext = {
@@ -1772,14 +1759,7 @@ export default function Layout(props: ParentProps) {
                             size="large"
                             icon="plus-small"
                             class="w-full"
-                            onClick={() => {
-                              if (!layout.sidebar.opened()) {
-                                setState("hoverSession", undefined)
-                                setState("hoverProject", undefined)
-                              }
-                              navigate(`/${base64Encode(p().worktree)}/session`)
-                              layout.mobileSidebar.hide()
-                            }}
+                            onClick={() => navigateWithSidebarReset(`/${base64Encode(p().worktree)}/session`)}
                           >
                             {language.t("command.session.new")}
                           </Button>
diff --git a/packages/app/src/pages/layout/inline-editor.tsx b/packages/app/src/pages/layout/inline-editor.tsx
index 0bbfe244c..4189e4a72 100644
--- a/packages/app/src/pages/layout/inline-editor.tsx
+++ b/packages/app/src/pages/layout/inline-editor.tsx
@@ -1,8 +1,9 @@
 import { createStore } from "solid-js/store"
-import { Show, type Accessor } from "solid-js"
+import { onCleanup, Show, type Accessor } from "solid-js"
 import { InlineInput } from "@opencode-ai/ui/inline-input"
 
 export function createInlineEditorController() {
+  // This controller intentionally supports one active inline editor at a time.
   const [editor, setEditor] = createStore({
     active: "" as string,
     value: "",
@@ -47,6 +48,13 @@ export function createInlineEditorController() {
     stopPropagation?: boolean
     openOnDblClick?: boolean
   }) => {
+    let frame: number | undefined
+
+    onCleanup(() => {
+      if (frame === undefined) return
+      cancelAnimationFrame(frame)
+    })
+
     const isEditing = () => props.editing ?? editorOpen(props.id)
     const stopEvents = () => props.stopPropagation ?? false
     const allowDblClick = () => props.openOnDblClick ?? true
@@ -78,7 +86,12 @@ export function createInlineEditorController() {
       >
         <InlineInput
           ref={(el) => {
-            requestAnimationFrame(() => el.focus())
+            if (frame !== undefined) cancelAnimationFrame(frame)
+            frame = requestAnimationFrame(() => {
+              frame = undefined
+              if (!el.isConnected) return
+              el.focus()
+            })
           }}
           value={editorValue()}
           class={props.class}
diff --git a/packages/app/src/pages/layout/sidebar-items.tsx b/packages/app/src/pages/layout/sidebar-items.tsx
index 678bfa0d8..d55090370 100644
--- a/packages/app/src/pages/layout/sidebar-items.tsx
+++ b/packages/app/src/pages/layout/sidebar-items.tsx
@@ -13,7 +13,7 @@ import { MessageNav } from "@opencode-ai/ui/message-nav"
 import { Spinner } from "@opencode-ai/ui/spinner"
 import { Tooltip } from "@opencode-ai/ui/tooltip"
 import { getFilename } from "@opencode-ai/util/path"
-import { type Message, type Session, type TextPart } from "@opencode-ai/sdk/v2/client"
+import { type Message, type Session, type TextPart, type UserMessage } from "@opencode-ai/sdk/v2/client"
 import { For, Match, Show, Switch, createMemo, onCleanup, type Accessor, type JSX } from "solid-js"
 import { agentColor } from "@/utils/agent"
 
@@ -70,6 +70,116 @@ export type SessionItemProps = {
   archiveSession: (session: Session) => Promise<void>
 }
 
+const SessionRow = (props: {
+  session: Session
+  slug: string
+  mobile?: boolean
+  dense?: boolean
+  tint: Accessor<string | undefined>
+  isWorking: Accessor<boolean>
+  hasPermissions: Accessor<boolean>
+  hasError: Accessor<boolean>
+  unseenCount: Accessor<number>
+  setHoverSession: (id: string | undefined) => void
+  clearHoverProjectSoon: () => void
+  sidebarOpened: Accessor<boolean>
+  prefetchSession: (session: Session, priority?: "high" | "low") => void
+  scheduleHoverPrefetch: () => void
+  cancelHoverPrefetch: () => void
+}): JSX.Element => (
+  <A
+    href={`/${props.slug}/session/${props.session.id}`}
+    class={`flex items-center justify-between gap-3 min-w-0 text-left w-full focus:outline-none transition-[padding] ${props.mobile ? "pr-7" : ""} group-hover/session:pr-7 group-focus-within/session:pr-7 group-active/session:pr-7 ${props.dense ? "py-0.5" : "py-1"}`}
+    onPointerEnter={props.scheduleHoverPrefetch}
+    onPointerLeave={props.cancelHoverPrefetch}
+    onMouseEnter={props.scheduleHoverPrefetch}
+    onMouseLeave={props.cancelHoverPrefetch}
+    onFocus={() => props.prefetchSession(props.session, "high")}
+    onClick={() => {
+      props.setHoverSession(undefined)
+      if (props.sidebarOpened()) return
+      props.clearHoverProjectSoon()
+    }}
+  >
+    <div class="flex items-center gap-1 w-full">
+      <div
+        class="shrink-0 size-6 flex items-center justify-center"
+        style={{ color: props.tint() ?? "var(--icon-interactive-base)" }}
+      >
+        <Switch fallback={<Icon name="dash" size="small" class="text-icon-weak" />}>
+          <Match when={props.isWorking()}>
+            <Spinner class="size-[15px]" />
+          </Match>
+          <Match when={props.hasPermissions()}>
+            <div class="size-1.5 rounded-full bg-surface-warning-strong" />
+          </Match>
+          <Match when={props.hasError()}>
+            <div class="size-1.5 rounded-full bg-text-diff-delete-base" />
+          </Match>
+          <Match when={props.unseenCount() > 0}>
+            <div class="size-1.5 rounded-full bg-text-interactive-base" />
+          </Match>
+        </Switch>
+      </div>
+      <span class="text-14-regular text-text-strong grow-1 min-w-0 overflow-hidden text-ellipsis truncate">
+        {props.session.title}
+      </span>
+      <Show when={props.session.summary}>
+        {(summary) => (
+          <div class="group-hover/session:hidden group-active/session:hidden group-focus-within/session:hidden">
+            <DiffChanges changes={summary()} />
+          </div>
+        )}
+      </Show>
+    </div>
+  </A>
+)
+
+const SessionHoverPreview = (props: {
+  mobile?: boolean
+  nav: Accessor<HTMLElement | undefined>
+  hoverSession: Accessor<string | undefined>
+  session: Session
+  sidebarHovering: Accessor<boolean>
+  hoverReady: Accessor<boolean>
+  hoverMessages: Accessor<UserMessage[] | undefined>
+  language: ReturnType<typeof useLanguage>
+  isActive: Accessor<boolean>
+  slug: string
+  setHoverSession: (id: string | undefined) => void
+  messageLabel: (message: Message) => string | undefined
+  onMessageSelect: (message: Message) => void
+  trigger: JSX.Element
+}): JSX.Element => (
+  <HoverCard
+    openDelay={1000}
+    closeDelay={props.sidebarHovering() ? 600 : 0}
+    placement="right-start"
+    gutter={16}
+    shift={-2}
+    trigger={props.trigger}
+    mount={!props.mobile ? props.nav() : undefined}
+    open={props.hoverSession() === props.session.id}
+    onOpenChange={(open) => props.setHoverSession(open ? props.session.id : undefined)}
+  >
+    <Show
+      when={props.hoverReady()}
+      fallback={<div class="text-12-regular text-text-weak">{props.language.t("session.messages.loading")}</div>}
+    >
+      <div class="overflow-y-auto max-h-72 h-full">
+        <MessageNav
+          messages={props.hoverMessages() ?? []}
+          current={undefined}
+          getLabel={props.messageLabel}
+          onMessageSelect={props.onMessageSelect}
+          size="normal"
+          class="w-60"
+        />
+      </div>
+    </Show>
+  </HoverCard>
+)
+
 export const SessionItem = (props: SessionItemProps): JSX.Element => {
   const params = useParams()
   const navigate = useNavigate()
@@ -113,7 +223,7 @@ export const SessionItem = (props: SessionItemProps): JSX.Element => {
   })
 
   const hoverMessages = createMemo(() =>
-    sessionStore.message[props.session.id]?.filter((message) => message.role === "user"),
+    sessionStore.message[props.session.id]?.filter((message): message is UserMessage => message.role === "user"),
   )
   const hoverReady = createMemo(() => sessionStore.message[props.session.id] !== undefined)
   const hoverAllowed = createMemo(() => !props.mobile && props.sidebarExpanded())
@@ -141,54 +251,24 @@ export const SessionItem = (props: SessionItemProps): JSX.Element => {
     const text = parts.find((part): part is TextPart => part?.type === "text" && !part.synthetic && !part.ignored)
     return text?.text
   }
-
   const item = (
-    <A
-      href={`/${props.slug}/session/${props.session.id}`}
-      class={`flex items-center justify-between gap-3 min-w-0 text-left w-full focus:outline-none transition-[padding] ${props.mobile ? "pr-7" : ""} group-hover/session:pr-7 group-focus-within/session:pr-7 group-active/session:pr-7 ${props.dense ? "py-0.5" : "py-1"}`}
-      onPointerEnter={scheduleHoverPrefetch}
-      onPointerLeave={cancelHoverPrefetch}
-      onMouseEnter={scheduleHoverPrefetch}
-      onMouseLeave={cancelHoverPrefetch}
-      onFocus={() => props.prefetchSession(props.session, "high")}
-      onClick={() => {
-        props.setHoverSession(undefined)
-        if (layout.sidebar.opened()) return
-        props.clearHoverProjectSoon()
-      }}
-    >
-      <div class="flex items-center gap-1 w-full">
-        <div
-          class="shrink-0 size-6 flex items-center justify-center"
-          style={{ color: tint() ?? "var(--icon-interactive-base)" }}
-        >
-          <Switch fallback={<Icon name="dash" size="small" class="text-icon-weak" />}>
-            <Match when={isWorking()}>
-              <Spinner class="size-[15px]" />
-            </Match>
-            <Match when={hasPermissions()}>
-              <div class="size-1.5 rounded-full bg-surface-warning-strong" />
-            </Match>
-            <Match when={hasError()}>
-              <div class="size-1.5 rounded-full bg-text-diff-delete-base" />
-            </Match>
-            <Match when={unseenCount() > 0}>
-              <div class="size-1.5 rounded-full bg-text-interactive-base" />
-            </Match>
-          </Switch>
-        </div>
-        <span class="text-14-regular text-text-strong grow-1 min-w-0 overflow-hidden text-ellipsis truncate">
-          {props.session.title}
-        </span>
-        <Show when={props.session.summary}>
-          {(summary) => (
-            <div class="group-hover/session:hidden group-active/session:hidden group-focus-within/session:hidden">
-              <DiffChanges changes={summary()} />
-            </div>
-          )}
-        </Show>
-      </div>
-    </A>
+    <SessionRow
+      session={props.session}
+      slug={props.slug}
+      mobile={props.mobile}
+      dense={props.dense}
+      tint={tint}
+      isWorking={isWorking}
+      hasPermissions={hasPermissions}
+      hasError={hasError}
+      unseenCount={unseenCount}
+      setHoverSession={props.setHoverSession}
+      clearHoverProjectSoon={props.clearHoverProjectSoon}
+      sidebarOpened={layout.sidebar.opened}
+      prefetchSession={props.prefetchSession}
+      scheduleHoverPrefetch={scheduleHoverPrefetch}
+      cancelHoverPrefetch={cancelHoverPrefetch}
+    />
   )
 
   return (
@@ -205,44 +285,30 @@ export const SessionItem = (props: SessionItemProps): JSX.Element => {
           </Tooltip>
         }
       >
-        <HoverCard
-          openDelay={1000}
-          closeDelay={props.sidebarHovering() ? 600 : 0}
-          placement="right-start"
-          gutter={16}
-          shift={-2}
+        <SessionHoverPreview
+          mobile={props.mobile}
+          nav={props.nav}
+          hoverSession={props.hoverSession}
+          session={props.session}
+          sidebarHovering={props.sidebarHovering}
+          hoverReady={hoverReady}
+          hoverMessages={hoverMessages}
+          language={language}
+          isActive={isActive}
+          slug={props.slug}
+          setHoverSession={props.setHoverSession}
+          messageLabel={messageLabel}
+          onMessageSelect={(message) => {
+            if (!isActive()) {
+              layout.pendingMessage.set(`${base64Encode(props.session.directory)}/${props.session.id}`, message.id)
+              navigate(`${props.slug}/session/${props.session.id}`)
+              return
+            }
+            window.history.replaceState(null, "", `#message-${message.id}`)
+            window.dispatchEvent(new HashChangeEvent("hashchange"))
+          }}
           trigger={item}
-          mount={!props.mobile ? props.nav() : undefined}
-          open={props.hoverSession() === props.session.id}
-          onOpenChange={(open) => props.setHoverSession(open ? props.session.id : undefined)}
-        >
-          <Show
-            when={hoverReady()}
-            fallback={<div class="text-12-regular text-text-weak">{language.t("session.messages.loading")}</div>}
-          >
-            <div class="overflow-y-auto max-h-72 h-full">
-              <MessageNav
-                messages={hoverMessages() ?? []}
-                current={undefined}
-                getLabel={messageLabel}
-                onMessageSelect={(message) => {
-                  if (!isActive()) {
-                    layout.pendingMessage.set(
-                      `${base64Encode(props.session.directory)}/${props.session.id}`,
-                      message.id,
-                    )
-                    navigate(`${props.slug}/session/${props.session.id}`)
-                    return
-                  }
-                  window.history.replaceState(null, "", `#message-${message.id}`)
-                  window.dispatchEvent(new HashChangeEvent("hashchange"))
-                }}
-                size="normal"
-                class="w-60"
-              />
-            </div>
-          </Show>
-        </HoverCard>
+        />
       </Show>
       <div
         class={`absolute ${props.dense ? "top-0.5 right-0.5" : "top-1 right-1"} flex items-center gap-0.5 transition-opacity`}
diff --git a/packages/app/src/pages/layout/sidebar-project.tsx b/packages/app/src/pages/layout/sidebar-project.tsx
index c91dc987d..9afa205b6 100644
--- a/packages/app/src/pages/layout/sidebar-project.tsx
+++ b/packages/app/src/pages/layout/sidebar-project.tsx
@@ -51,6 +51,195 @@ export const ProjectDragOverlay = (props: {
   )
 }
 
+const ProjectTile = (props: {
+  project: LocalProject
+  mobile?: boolean
+  nav: Accessor<HTMLElement | undefined>
+  sidebarHovering: Accessor<boolean>
+  selected: Accessor<boolean>
+  active: Accessor<boolean>
+  overlay: Accessor<boolean>
+  onProjectMouseEnter: (worktree: string, event: MouseEvent) => void
+  onProjectMouseLeave: (worktree: string) => void
+  onProjectFocus: (worktree: string) => void
+  navigateToProject: (directory: string) => void
+  showEditProjectDialog: (project: LocalProject) => void
+  toggleProjectWorkspaces: (project: LocalProject) => void
+  workspacesEnabled: (project: LocalProject) => boolean
+  closeProject: (directory: string) => void
+  setMenu: (value: boolean) => void
+  setOpen: (value: boolean) => void
+  language: ReturnType<typeof useLanguage>
+}): JSX.Element => (
+  <ContextMenu
+    modal={!props.sidebarHovering()}
+    onOpenChange={(value) => {
+      props.setMenu(value)
+      if (value) props.setOpen(false)
+    }}
+  >
+    <ContextMenu.Trigger
+      as="button"
+      type="button"
+      aria-label={displayName(props.project)}
+      data-action="project-switch"
+      data-project={base64Encode(props.project.worktree)}
+      classList={{
+        "flex items-center justify-center size-10 p-1 rounded-lg overflow-hidden transition-colors cursor-default": true,
+        "bg-transparent border-2 border-icon-strong-base hover:bg-surface-base-hover": props.selected(),
+        "bg-transparent border border-transparent hover:bg-surface-base-hover hover:border-border-weak-base":
+          !props.selected() && !props.active(),
+        "bg-surface-base-hover border border-border-weak-base": !props.selected() && props.active(),
+      }}
+      onMouseEnter={(event: MouseEvent) => {
+        if (!props.overlay()) return
+        props.onProjectMouseEnter(props.project.worktree, event)
+      }}
+      onMouseLeave={() => {
+        if (!props.overlay()) return
+        props.onProjectMouseLeave(props.project.worktree)
+      }}
+      onFocus={() => {
+        if (!props.overlay()) return
+        props.onProjectFocus(props.project.worktree)
+      }}
+      onClick={() => props.navigateToProject(props.project.worktree)}
+      onBlur={() => props.setOpen(false)}
+    >
+      <ProjectIcon project={props.project} notify />
+    </ContextMenu.Trigger>
+    <ContextMenu.Portal mount={!props.mobile ? props.nav() : undefined}>
+      <ContextMenu.Content>
+        <ContextMenu.Item onSelect={() => props.showEditProjectDialog(props.project)}>
+          <ContextMenu.ItemLabel>{props.language.t("common.edit")}</ContextMenu.ItemLabel>
+        </ContextMenu.Item>
+        <ContextMenu.Item
+          data-action="project-workspaces-toggle"
+          data-project={base64Encode(props.project.worktree)}
+          disabled={props.project.vcs !== "git" && !props.workspacesEnabled(props.project)}
+          onSelect={() => props.toggleProjectWorkspaces(props.project)}
+        >
+          <ContextMenu.ItemLabel>
+            {props.workspacesEnabled(props.project)
+              ? props.language.t("sidebar.workspaces.disable")
+              : props.language.t("sidebar.workspaces.enable")}
+          </ContextMenu.ItemLabel>
+        </ContextMenu.Item>
+        <ContextMenu.Separator />
+        <ContextMenu.Item
+          data-action="project-close-menu"
+          data-project={base64Encode(props.project.worktree)}
+          onSelect={() => props.closeProject(props.project.worktree)}
+        >
+          <ContextMenu.ItemLabel>{props.language.t("common.close")}</ContextMenu.ItemLabel>
+        </ContextMenu.Item>
+      </ContextMenu.Content>
+    </ContextMenu.Portal>
+  </ContextMenu>
+)
+
+const ProjectPreviewPanel = (props: {
+  project: LocalProject
+  mobile?: boolean
+  selected: Accessor<boolean>
+  workspaceEnabled: Accessor<boolean>
+  workspaces: Accessor<string[]>
+  label: (directory: string) => string
+  projectSessions: Accessor<ReturnType<typeof sortedRootSessions>>
+  projectChildren: Accessor<Map<string, string[]>>
+  workspaceSessions: (directory: string) => ReturnType<typeof sortedRootSessions>
+  workspaceChildren: (directory: string) => Map<string, string[]>
+  setOpen: (value: boolean) => void
+  ctx: ProjectSidebarContext
+  language: ReturnType<typeof useLanguage>
+}): JSX.Element => (
+  <div class="-m-3 p-2 flex flex-col w-72">
+    <div class="px-4 pt-2 pb-1 flex items-center gap-2">
+      <div class="text-14-medium text-text-strong truncate grow">{displayName(props.project)}</div>
+      <Tooltip value={props.language.t("common.close")} placement="top" gutter={6}>
+        <IconButton
+          icon="circle-x"
+          variant="ghost"
+          class="shrink-0"
+          data-action="project-close-hover"
+          data-project={base64Encode(props.project.worktree)}
+          aria-label={props.language.t("common.close")}
+          onClick={(event) => {
+            event.stopPropagation()
+            props.setOpen(false)
+            props.ctx.closeProject(props.project.worktree)
+          }}
+        />
+      </Tooltip>
+    </div>
+    <div class="px-4 pb-2 text-12-medium text-text-weak">{props.language.t("sidebar.project.recentSessions")}</div>
+    <div class="px-2 pb-2 flex flex-col gap-2">
+      <Show
+        when={props.workspaceEnabled()}
+        fallback={
+          <For each={props.projectSessions()}>
+            {(session) => (
+              <SessionItem
+                {...props.ctx.sessionProps}
+                session={session}
+                slug={base64Encode(props.project.worktree)}
+                dense
+                mobile={props.mobile}
+                popover={false}
+                children={props.projectChildren()}
+              />
+            )}
+          </For>
+        }
+      >
+        <For each={props.workspaces()}>
+          {(directory) => {
+            const sessions = createMemo(() => props.workspaceSessions(directory))
+            const children = createMemo(() => props.workspaceChildren(directory))
+            return (
+              <div class="flex flex-col gap-1">
+                <div class="px-2 py-0.5 flex items-center gap-1 min-w-0">
+                  <div class="shrink-0 size-6 flex items-center justify-center">
+                    <Icon name="branch" size="small" class="text-icon-base" />
+                  </div>
+                  <span class="truncate text-14-medium text-text-base">{props.label(directory)}</span>
+                </div>
+                <For each={sessions()}>
+                  {(session) => (
+                    <SessionItem
+                      {...props.ctx.sessionProps}
+                      session={session}
+                      slug={base64Encode(directory)}
+                      dense
+                      mobile={props.mobile}
+                      popover={false}
+                      children={children()}
+                    />
+                  )}
+                </For>
+              </div>
+            )
+          }}
+        </For>
+      </Show>
+    </div>
+    <div class="px-2 py-2 border-t border-border-weak-base">
+      <Button
+        variant="ghost"
+        class="flex w-full text-left justify-start text-text-base px-2 hover:bg-transparent active:bg-transparent"
+        onClick={() => {
+          props.ctx.openSidebar()
+          props.setOpen(false)
+          if (props.selected()) return
+          props.ctx.navigateToProject(props.project.worktree)
+        }}
+      >
+        {props.language.t("sidebar.project.viewAllSessions")}
+      </Button>
+    </div>
+  </div>
+)
+
 export const SortableProject = (props: {
   project: LocalProject
   mobile?: boolean
@@ -105,177 +294,61 @@ export const SortableProject = (props: {
     const [data] = globalSync.child(directory, { bootstrap: false })
     return childMapByParent(data.session)
   }
-
-  const Trigger = () => (
-    <ContextMenu
-      modal={!props.ctx.sidebarHovering()}
-      onOpenChange={(value) => {
-        setMenu(value)
-        if (value) setOpen(false)
-      }}
-    >
-      <ContextMenu.Trigger
-        as="button"
-        type="button"
-        aria-label={displayName(props.project)}
-        data-action="project-switch"
-        data-project={base64Encode(props.project.worktree)}
-        classList={{
-          "flex items-center justify-center size-10 p-1 rounded-lg overflow-hidden transition-colors cursor-default": true,
-          "bg-transparent border-2 border-icon-strong-base hover:bg-surface-base-hover": selected(),
-          "bg-transparent border border-transparent hover:bg-surface-base-hover hover:border-border-weak-base":
-            !selected() && !active(),
-          "bg-surface-base-hover border border-border-weak-base": !selected() && active(),
-        }}
-        onMouseEnter={(event: MouseEvent) => {
-          if (!overlay()) return
-          props.ctx.onProjectMouseEnter(props.project.worktree, event)
-        }}
-        onMouseLeave={() => {
-          if (!overlay()) return
-          props.ctx.onProjectMouseLeave(props.project.worktree)
-        }}
-        onFocus={() => {
-          if (!overlay()) return
-          props.ctx.onProjectFocus(props.project.worktree)
-        }}
-        onClick={() => props.ctx.navigateToProject(props.project.worktree)}
-        onBlur={() => setOpen(false)}
-      >
-        <ProjectIcon project={props.project} notify />
-      </ContextMenu.Trigger>
-      <ContextMenu.Portal mount={!props.mobile ? props.ctx.nav() : undefined}>
-        <ContextMenu.Content>
-          <ContextMenu.Item onSelect={() => props.ctx.showEditProjectDialog(props.project)}>
-            <ContextMenu.ItemLabel>{language.t("common.edit")}</ContextMenu.ItemLabel>
-          </ContextMenu.Item>
-          <ContextMenu.Item
-            data-action="project-workspaces-toggle"
-            data-project={base64Encode(props.project.worktree)}
-            disabled={props.project.vcs !== "git" && !props.ctx.workspacesEnabled(props.project)}
-            onSelect={() => props.ctx.toggleProjectWorkspaces(props.project)}
-          >
-            <ContextMenu.ItemLabel>
-              {props.ctx.workspacesEnabled(props.project)
-                ? language.t("sidebar.workspaces.disable")
-                : language.t("sidebar.workspaces.enable")}
-            </ContextMenu.ItemLabel>
-          </ContextMenu.Item>
-          <ContextMenu.Separator />
-          <ContextMenu.Item
-            data-action="project-close-menu"
-            data-project={base64Encode(props.project.worktree)}
-            onSelect={() => props.ctx.closeProject(props.project.worktree)}
-          >
-            <ContextMenu.ItemLabel>{language.t("common.close")}</ContextMenu.ItemLabel>
-          </ContextMenu.Item>
-        </ContextMenu.Content>
-      </ContextMenu.Portal>
-    </ContextMenu>
+  const trigger = (
+    <ProjectTile
+      project={props.project}
+      mobile={props.mobile}
+      nav={props.ctx.nav}
+      sidebarHovering={props.ctx.sidebarHovering}
+      selected={selected}
+      active={active}
+      overlay={overlay}
+      onProjectMouseEnter={props.ctx.onProjectMouseEnter}
+      onProjectMouseLeave={props.ctx.onProjectMouseLeave}
+      onProjectFocus={props.ctx.onProjectFocus}
+      navigateToProject={props.ctx.navigateToProject}
+      showEditProjectDialog={props.ctx.showEditProjectDialog}
+      toggleProjectWorkspaces={props.ctx.toggleProjectWorkspaces}
+      workspacesEnabled={props.ctx.workspacesEnabled}
+      closeProject={props.ctx.closeProject}
+      setMenu={setMenu}
+      setOpen={setOpen}
+      language={language}
+    />
   )
 
   return (
     // @ts-ignore
     <div use:sortable classList={{ "opacity-30": sortable.isActiveDraggable }}>
-      <Show when={preview()} fallback={<Trigger />}>
+      <Show when={preview()} fallback={trigger}>
         <HoverCard
           open={open() && !menu()}
           openDelay={0}
           closeDelay={0}
           placement="right-start"
           gutter={6}
-          trigger={<Trigger />}
+          trigger={trigger}
           onOpenChange={(value) => {
             if (menu()) return
             setOpen(value)
             if (value) props.ctx.setHoverSession(undefined)
           }}
         >
-          <div class="-m-3 p-2 flex flex-col w-72">
-            <div class="px-4 pt-2 pb-1 flex items-center gap-2">
-              <div class="text-14-medium text-text-strong truncate grow">{displayName(props.project)}</div>
-              <Tooltip value={language.t("common.close")} placement="top" gutter={6}>
-                <IconButton
-                  icon="circle-x"
-                  variant="ghost"
-                  class="shrink-0"
-                  data-action="project-close-hover"
-                  data-project={base64Encode(props.project.worktree)}
-                  aria-label={language.t("common.close")}
-                  onClick={(event) => {
-                    event.stopPropagation()
-                    setOpen(false)
-                    props.ctx.closeProject(props.project.worktree)
-                  }}
-                />
-              </Tooltip>
-            </div>
-            <div class="px-4 pb-2 text-12-medium text-text-weak">{language.t("sidebar.project.recentSessions")}</div>
-            <div class="px-2 pb-2 flex flex-col gap-2">
-              <Show
-                when={workspaceEnabled()}
-                fallback={
-                  <For each={projectSessions()}>
-                    {(session) => (
-                      <SessionItem
-                        {...props.ctx.sessionProps}
-                        session={session}
-                        slug={base64Encode(props.project.worktree)}
-                        dense
-                        mobile={props.mobile}
-                        popover={false}
-                        children={projectChildren()}
-                      />
-                    )}
-                  </For>
-                }
-              >
-                <For each={workspaces()}>
-                  {(directory) => {
-                    const sessions = createMemo(() => workspaceSessions(directory))
-                    const children = createMemo(() => workspaceChildren(directory))
-                    return (
-                      <div class="flex flex-col gap-1">
-                        <div class="px-2 py-0.5 flex items-center gap-1 min-w-0">
-                          <div class="shrink-0 size-6 flex items-center justify-center">
-                            <Icon name="branch" size="small" class="text-icon-base" />
-                          </div>
-                          <span class="truncate text-14-medium text-text-base">{label(directory)}</span>
-                        </div>
-                        <For each={sessions()}>
-                          {(session) => (
-                            <SessionItem
-                              {...props.ctx.sessionProps}
-                              session={session}
-                              slug={base64Encode(directory)}
-                              dense
-                              mobile={props.mobile}
-                              popover={false}
-                              children={children()}
-                            />
-                          )}
-                        </For>
-                      </div>
-                    )
-                  }}
-                </For>
-              </Show>
-            </div>
-            <div class="px-2 py-2 border-t border-border-weak-base">
-              <Button
-                variant="ghost"
-                class="flex w-full text-left justify-start text-text-base px-2 hover:bg-transparent active:bg-transparent"
-                onClick={() => {
-                  props.ctx.openSidebar()
-                  setOpen(false)
-                  if (selected()) return
-                  props.ctx.navigateToProject(props.project.worktree)
-                }}
-              >
-                {language.t("sidebar.project.viewAllSessions")}
-              </Button>
-            </div>
-          </div>
+          <ProjectPreviewPanel
+            project={props.project}
+            mobile={props.mobile}
+            selected={selected}
+            workspaceEnabled={workspaceEnabled}
+            workspaces={workspaces}
+            label={label}
+            projectSessions={projectSessions}
+            projectChildren={projectChildren}
+            workspaceSessions={workspaceSessions}
+            workspaceChildren={workspaceChildren}
+            setOpen={setOpen}
+            ctx={props.ctx}
+            language={language}
+          />
         </HoverCard>
       </Show>
     </div>
diff --git a/packages/app/src/pages/layout/sidebar-shell.tsx b/packages/app/src/pages/layout/sidebar-shell.tsx
index ce96a09d1..23abdf157 100644
--- a/packages/app/src/pages/layout/sidebar-shell.tsx
+++ b/packages/app/src/pages/layout/sidebar-shell.tsx
@@ -34,6 +34,7 @@ export const SidebarContent = (props: {
   renderPanel: () => JSX.Element
 }): JSX.Element => {
   const expanded = createMemo(() => sidebarExpanded(props.mobile, props.opened()))
+  const placement = () => (props.mobile ? "bottom" : "right")
 
   return (
     <div class="flex h-full w-full overflow-hidden">
@@ -55,7 +56,7 @@ export const SidebarContent = (props: {
                 <For each={props.projects()}>{(project) => props.renderProject(project)}</For>
               </SortableProvider>
               <Tooltip
-                placement={props.mobile ? "bottom" : "right"}
+                placement={placement()}
                 value={
                   <div class="flex items-center gap-2">
                     <span>{props.openProjectLabel}</span>
@@ -78,11 +79,7 @@ export const SidebarContent = (props: {
           </DragDropProvider>
         </div>
         <div class="shrink-0 w-full pt-3 pb-3 flex flex-col items-center gap-2">
-          <TooltipKeybind
-            placement={props.mobile ? "bottom" : "right"}
-            title={props.settingsLabel()}
-            keybind={props.settingsKeybind() ?? ""}
-          >
+          <TooltipKeybind placement={placement()} title={props.settingsLabel()} keybind={props.settingsKeybind() ?? ""}>
             <IconButton
               icon="settings-gear"
               variant="ghost"
@@ -91,7 +88,7 @@ export const SidebarContent = (props: {
               aria-label={props.settingsLabel()}
             />
           </TooltipKeybind>
-          <Tooltip placement={props.mobile ? "bottom" : "right"} value={props.helpLabel()}>
+          <Tooltip placement={placement()} value={props.helpLabel()}>
             <IconButton
               icon="help"
               variant="ghost"
diff --git a/packages/app/src/pages/layout/sidebar-workspace.tsx b/packages/app/src/pages/layout/sidebar-workspace.tsx
index 13c1e55ef..1d9c2e685 100644
--- a/packages/app/src/pages/layout/sidebar-workspace.tsx
+++ b/packages/app/src/pages/layout/sidebar-workspace.tsx
@@ -82,6 +82,222 @@ export const WorkspaceDragOverlay = (props: {
   )
 }
 
+const WorkspaceHeader = (props: {
+  local: Accessor<boolean>
+  busy: Accessor<boolean>
+  open: Accessor<boolean>
+  directory: string
+  language: ReturnType<typeof useLanguage>
+  branch: Accessor<string | undefined>
+  workspaceValue: Accessor<string>
+  workspaceEditActive: Accessor<boolean>
+  InlineEditor: WorkspaceSidebarContext["InlineEditor"]
+  renameWorkspace: WorkspaceSidebarContext["renameWorkspace"]
+  setEditor: WorkspaceSidebarContext["setEditor"]
+  projectId?: string
+}): JSX.Element => (
+  <div class="flex items-center gap-1 min-w-0 flex-1">
+    <div class="flex items-center justify-center shrink-0 size-6">
+      <Show when={props.busy()} fallback={<Icon name="branch" size="small" />}>
+        <Spinner class="size-[15px]" />
+      </Show>
+    </div>
+    <span class="text-14-medium text-text-base shrink-0">
+      {props.local() ? props.language.t("workspace.type.local") : props.language.t("workspace.type.sandbox")} :
+    </span>
+    <Show
+      when={!props.local()}
+      fallback={
+        <span class="text-14-medium text-text-base min-w-0 truncate">
+          {props.branch() ?? getFilename(props.directory)}
+        </span>
+      }
+    >
+      <props.InlineEditor
+        id={`workspace:${props.directory}`}
+        value={props.workspaceValue}
+        onSave={(next) => {
+          const trimmed = next.trim()
+          if (!trimmed) return
+          props.renameWorkspace(props.directory, trimmed, props.projectId, props.branch())
+          props.setEditor("value", props.workspaceValue())
+        }}
+        class="text-14-medium text-text-base min-w-0 truncate"
+        displayClass="text-14-medium text-text-base min-w-0 truncate"
+        editing={props.workspaceEditActive()}
+        stopPropagation={false}
+        openOnDblClick={false}
+      />
+    </Show>
+    <div class="flex items-center justify-center shrink-0 overflow-hidden w-0 opacity-0 transition-all duration-200 group-hover/workspace:w-3.5 group-hover/workspace:opacity-100 group-focus-within/workspace:w-3.5 group-focus-within/workspace:opacity-100">
+      <Icon name={props.open() ? "chevron-down" : "chevron-right"} size="small" class="text-icon-base" />
+    </div>
+  </div>
+)
+
+const WorkspaceActions = (props: {
+  directory: string
+  local: Accessor<boolean>
+  busy: Accessor<boolean>
+  menuOpen: Accessor<boolean>
+  pendingRename: Accessor<boolean>
+  setMenuOpen: (open: boolean) => void
+  setPendingRename: (value: boolean) => void
+  sidebarHovering: Accessor<boolean>
+  mobile?: boolean
+  nav: Accessor<HTMLElement | undefined>
+  touch: Accessor<boolean>
+  language: ReturnType<typeof useLanguage>
+  workspaceValue: Accessor<string>
+  openEditor: WorkspaceSidebarContext["openEditor"]
+  showResetWorkspaceDialog: WorkspaceSidebarContext["showResetWorkspaceDialog"]
+  showDeleteWorkspaceDialog: WorkspaceSidebarContext["showDeleteWorkspaceDialog"]
+  root: string
+  setHoverSession: WorkspaceSidebarContext["setHoverSession"]
+  clearHoverProjectSoon: WorkspaceSidebarContext["clearHoverProjectSoon"]
+  navigateToNewSession: () => void
+}): JSX.Element => (
+  <div
+    class="absolute right-1 top-1/2 -translate-y-1/2 flex items-center gap-0.5 transition-opacity"
+    classList={{
+      "opacity-100 pointer-events-auto": props.menuOpen(),
+      "opacity-0 pointer-events-none": !props.menuOpen(),
+      "group-hover/workspace:opacity-100 group-hover/workspace:pointer-events-auto": true,
+      "group-focus-within/workspace:opacity-100 group-focus-within/workspace:pointer-events-auto": true,
+    }}
+  >
+    <DropdownMenu
+      modal={!props.sidebarHovering()}
+      open={props.menuOpen()}
+      onOpenChange={(open) => props.setMenuOpen(open)}
+    >
+      <Tooltip value={props.language.t("common.moreOptions")} placement="top">
+        <DropdownMenu.Trigger
+          as={IconButton}
+          icon="dot-grid"
+          variant="ghost"
+          class="size-6 rounded-md"
+          data-action="workspace-menu"
+          data-workspace={base64Encode(props.directory)}
+          aria-label={props.language.t("common.moreOptions")}
+        />
+      </Tooltip>
+      <DropdownMenu.Portal mount={!props.mobile ? props.nav() : undefined}>
+        <DropdownMenu.Content
+          onCloseAutoFocus={(event) => {
+            if (!props.pendingRename()) return
+            event.preventDefault()
+            props.setPendingRename(false)
+            props.openEditor(`workspace:${props.directory}`, props.workspaceValue())
+          }}
+        >
+          <DropdownMenu.Item
+            disabled={props.local()}
+            onSelect={() => {
+              props.setPendingRename(true)
+              props.setMenuOpen(false)
+            }}
+          >
+            <DropdownMenu.ItemLabel>{props.language.t("common.rename")}</DropdownMenu.ItemLabel>
+          </DropdownMenu.Item>
+          <DropdownMenu.Item
+            disabled={props.local() || props.busy()}
+            onSelect={() => props.showResetWorkspaceDialog(props.root, props.directory)}
+          >
+            <DropdownMenu.ItemLabel>{props.language.t("common.reset")}</DropdownMenu.ItemLabel>
+          </DropdownMenu.Item>
+          <DropdownMenu.Item
+            disabled={props.local() || props.busy()}
+            onSelect={() => props.showDeleteWorkspaceDialog(props.root, props.directory)}
+          >
+            <DropdownMenu.ItemLabel>{props.language.t("common.delete")}</DropdownMenu.ItemLabel>
+          </DropdownMenu.Item>
+        </DropdownMenu.Content>
+      </DropdownMenu.Portal>
+    </DropdownMenu>
+    <Show when={!props.touch()}>
+      <Tooltip value={props.language.t("command.session.new")} placement="top">
+        <IconButton
+          icon="plus-small"
+          variant="ghost"
+          class="size-6 rounded-md opacity-0 pointer-events-none group-hover/workspace:opacity-100 group-hover/workspace:pointer-events-auto group-focus-within/workspace:opacity-100 group-focus-within/workspace:pointer-events-auto"
+          data-action="workspace-new-session"
+          data-workspace={base64Encode(props.directory)}
+          aria-label={props.language.t("command.session.new")}
+          onClick={(event) => {
+            event.preventDefault()
+            event.stopPropagation()
+            props.setHoverSession(undefined)
+            props.clearHoverProjectSoon()
+            props.navigateToNewSession()
+          }}
+        />
+      </Tooltip>
+    </Show>
+  </div>
+)
+
+const WorkspaceSessionList = (props: {
+  slug: Accessor<string>
+  mobile?: boolean
+  ctx: WorkspaceSidebarContext
+  showNew: Accessor<boolean>
+  loading: Accessor<boolean>
+  sessions: Accessor<Session[]>
+  children: Accessor<Map<string, string[]>>
+  hasMore: Accessor<boolean>
+  loadMore: () => Promise<void>
+  language: ReturnType<typeof useLanguage>
+}): JSX.Element => (
+  <nav class="flex flex-col gap-1 px-2">
+    <Show when={props.showNew()}>
+      <NewSessionItem
+        slug={props.slug()}
+        mobile={props.mobile}
+        sidebarExpanded={props.ctx.sidebarExpanded}
+        clearHoverProjectSoon={props.ctx.clearHoverProjectSoon}
+        setHoverSession={props.ctx.setHoverSession}
+      />
+    </Show>
+    <Show when={props.loading()}>
+      <SessionSkeleton />
+    </Show>
+    <For each={props.sessions()}>
+      {(session) => (
+        <SessionItem
+          session={session}
+          slug={props.slug()}
+          mobile={props.mobile}
+          children={props.children()}
+          sidebarExpanded={props.ctx.sidebarExpanded}
+          sidebarHovering={props.ctx.sidebarHovering}
+          nav={props.ctx.nav}
+          hoverSession={props.ctx.hoverSession}
+          setHoverSession={props.ctx.setHoverSession}
+          clearHoverProjectSoon={props.ctx.clearHoverProjectSoon}
+          prefetchSession={props.ctx.prefetchSession}
+          archiveSession={props.ctx.archiveSession}
+        />
+      )}
+    </For>
+    <Show when={props.hasMore()}>
+      <div class="relative w-full py-1">
+        <Button
+          variant="ghost"
+          class="flex w-full text-left justify-start text-14-regular text-text-weak pl-9 pr-10"
+          size="large"
+          onClick={(e: MouseEvent) => {
+            props.loadMore()
+            ;(e.currentTarget as HTMLButtonElement).blur()
+          }}
+        >
+          {props.language.t("common.loadMore")}
+        </Button>
+      </div>
+    </Show>
+  </nav>
+)
+
 export const SortableWorkspace = (props: {
   ctx: WorkspaceSidebarContext
   directory: string
@@ -135,46 +351,6 @@ export const SortableWorkspace = (props: {
     globalSync.child(props.directory, { bootstrap: true })
   })
 
-  const header = () => (
-    <div class="flex items-center gap-1 min-w-0 flex-1">
-      <div class="flex items-center justify-center shrink-0 size-6">
-        <Show when={busy()} fallback={<Icon name="branch" size="small" />}>
-          <Spinner class="size-[15px]" />
-        </Show>
-      </div>
-      <span class="text-14-medium text-text-base shrink-0">
-        {local() ? language.t("workspace.type.local") : language.t("workspace.type.sandbox")} :
-      </span>
-      <Show
-        when={!local()}
-        fallback={
-          <span class="text-14-medium text-text-base min-w-0 truncate">
-            {workspaceStore.vcs?.branch ?? getFilename(props.directory)}
-          </span>
-        }
-      >
-        <props.ctx.InlineEditor
-          id={`workspace:${props.directory}`}
-          value={workspaceValue}
-          onSave={(next) => {
-            const trimmed = next.trim()
-            if (!trimmed) return
-            props.ctx.renameWorkspace(props.directory, trimmed, props.project.id, workspaceStore.vcs?.branch)
-            props.ctx.setEditor("value", workspaceValue())
-          }}
-          class="text-14-medium text-text-base min-w-0 truncate"
-          displayClass="text-14-medium text-text-base min-w-0 truncate"
-          editing={workspaceEditActive()}
-          stopPropagation={false}
-          openOnDblClick={false}
-        />
-      </Show>
-      <div class="flex items-center justify-center shrink-0 overflow-hidden w-0 opacity-0 transition-all duration-200 group-hover/workspace:w-3.5 group-hover/workspace:opacity-100 group-focus-within/workspace:w-3.5 group-focus-within/workspace:opacity-100">
-        <Icon name={open() ? "chevron-down" : "chevron-right"} size="small" class="text-icon-base" />
-      </div>
-    </div>
-  )
-
   return (
     <div
       // @ts-ignore
@@ -202,7 +378,20 @@ export const SortableWorkspace = (props: {
                     data-action="workspace-toggle"
                     data-workspace={base64Encode(props.directory)}
                   >
-                    {header()}
+                    <WorkspaceHeader
+                      local={local}
+                      busy={busy}
+                      open={open}
+                      directory={props.directory}
+                      language={language}
+                      branch={() => workspaceStore.vcs?.branch}
+                      workspaceValue={workspaceValue}
+                      workspaceEditActive={workspaceEditActive}
+                      InlineEditor={props.ctx.InlineEditor}
+                      renameWorkspace={props.ctx.renameWorkspace}
+                      setEditor={props.ctx.setEditor}
+                      projectId={props.project.id}
+                    />
                   </Collapsible.Trigger>
                 }
               >
@@ -211,139 +400,61 @@ export const SortableWorkspace = (props: {
                     menu.open ? "pr-16" : "pr-2"
                   } group-hover/workspace:pr-16 group-focus-within/workspace:pr-16`}
                 >
-                  {header()}
+                  <WorkspaceHeader
+                    local={local}
+                    busy={busy}
+                    open={open}
+                    directory={props.directory}
+                    language={language}
+                    branch={() => workspaceStore.vcs?.branch}
+                    workspaceValue={workspaceValue}
+                    workspaceEditActive={workspaceEditActive}
+                    InlineEditor={props.ctx.InlineEditor}
+                    renameWorkspace={props.ctx.renameWorkspace}
+                    setEditor={props.ctx.setEditor}
+                    projectId={props.project.id}
+                  />
                 </div>
               </Show>
-              <div
-                class="absolute right-1 top-1/2 -translate-y-1/2 flex items-center gap-0.5 transition-opacity"
-                classList={{
-                  "opacity-100 pointer-events-auto": menu.open,
-                  "opacity-0 pointer-events-none": !menu.open,
-                  "group-hover/workspace:opacity-100 group-hover/workspace:pointer-events-auto": true,
-                  "group-focus-within/workspace:opacity-100 group-focus-within/workspace:pointer-events-auto": true,
-                }}
-              >
-                <DropdownMenu
-                  modal={!props.ctx.sidebarHovering()}
-                  open={menu.open}
-                  onOpenChange={(open) => setMenu("open", open)}
-                >
-                  <Tooltip value={language.t("common.moreOptions")} placement="top">
-                    <DropdownMenu.Trigger
-                      as={IconButton}
-                      icon="dot-grid"
-                      variant="ghost"
-                      class="size-6 rounded-md"
-                      data-action="workspace-menu"
-                      data-workspace={base64Encode(props.directory)}
-                      aria-label={language.t("common.moreOptions")}
-                    />
-                  </Tooltip>
-                  <DropdownMenu.Portal mount={!props.mobile ? props.ctx.nav() : undefined}>
-                    <DropdownMenu.Content
-                      onCloseAutoFocus={(event) => {
-                        if (!menu.pendingRename) return
-                        event.preventDefault()
-                        setMenu("pendingRename", false)
-                        props.ctx.openEditor(`workspace:${props.directory}`, workspaceValue())
-                      }}
-                    >
-                      <DropdownMenu.Item
-                        disabled={local()}
-                        onSelect={() => {
-                          setMenu("pendingRename", true)
-                          setMenu("open", false)
-                        }}
-                      >
-                        <DropdownMenu.ItemLabel>{language.t("common.rename")}</DropdownMenu.ItemLabel>
-                      </DropdownMenu.Item>
-                      <DropdownMenu.Item
-                        disabled={local() || busy()}
-                        onSelect={() => props.ctx.showResetWorkspaceDialog(props.project.worktree, props.directory)}
-                      >
-                        <DropdownMenu.ItemLabel>{language.t("common.reset")}</DropdownMenu.ItemLabel>
-                      </DropdownMenu.Item>
-                      <DropdownMenu.Item
-                        disabled={local() || busy()}
-                        onSelect={() => props.ctx.showDeleteWorkspaceDialog(props.project.worktree, props.directory)}
-                      >
-                        <DropdownMenu.ItemLabel>{language.t("common.delete")}</DropdownMenu.ItemLabel>
-                      </DropdownMenu.Item>
-                    </DropdownMenu.Content>
-                  </DropdownMenu.Portal>
-                </DropdownMenu>
-                <Show when={!touch()}>
-                  <Tooltip value={language.t("command.session.new")} placement="top">
-                    <IconButton
-                      icon="plus-small"
-                      variant="ghost"
-                      class="size-6 rounded-md opacity-0 pointer-events-none group-hover/workspace:opacity-100 group-hover/workspace:pointer-events-auto group-focus-within/workspace:opacity-100 group-focus-within/workspace:pointer-events-auto"
-                      data-action="workspace-new-session"
-                      data-workspace={base64Encode(props.directory)}
-                      aria-label={language.t("command.session.new")}
-                      onClick={(event) => {
-                        event.preventDefault()
-                        event.stopPropagation()
-                        props.ctx.setHoverSession(undefined)
-                        props.ctx.clearHoverProjectSoon()
-                        navigate(`/${slug()}/session`)
-                      }}
-                    />
-                  </Tooltip>
-                </Show>
-              </div>
+              <WorkspaceActions
+                directory={props.directory}
+                local={local}
+                busy={busy}
+                menuOpen={() => menu.open}
+                pendingRename={() => menu.pendingRename}
+                setMenuOpen={(open) => setMenu("open", open)}
+                setPendingRename={(value) => setMenu("pendingRename", value)}
+                sidebarHovering={props.ctx.sidebarHovering}
+                mobile={props.mobile}
+                nav={props.ctx.nav}
+                touch={touch}
+                language={language}
+                workspaceValue={workspaceValue}
+                openEditor={props.ctx.openEditor}
+                showResetWorkspaceDialog={props.ctx.showResetWorkspaceDialog}
+                showDeleteWorkspaceDialog={props.ctx.showDeleteWorkspaceDialog}
+                root={props.project.worktree}
+                setHoverSession={props.ctx.setHoverSession}
+                clearHoverProjectSoon={props.ctx.clearHoverProjectSoon}
+                navigateToNewSession={() => navigate(`/${slug()}/session`)}
+              />
             </div>
           </div>
         </div>
 
         <Collapsible.Content>
-          <nav class="flex flex-col gap-1 px-2">
-            <Show when={showNew()}>
-              <NewSessionItem
-                slug={slug()}
-                mobile={props.mobile}
-                sidebarExpanded={props.ctx.sidebarExpanded}
-                clearHoverProjectSoon={props.ctx.clearHoverProjectSoon}
-                setHoverSession={props.ctx.setHoverSession}
-              />
-            </Show>
-            <Show when={loading()}>
-              <SessionSkeleton />
-            </Show>
-            <For each={sessions()}>
-              {(session) => (
-                <SessionItem
-                  session={session}
-                  slug={slug()}
-                  mobile={props.mobile}
-                  children={children()}
-                  sidebarExpanded={props.ctx.sidebarExpanded}
-                  sidebarHovering={props.ctx.sidebarHovering}
-                  nav={props.ctx.nav}
-                  hoverSession={props.ctx.hoverSession}
-                  setHoverSession={props.ctx.setHoverSession}
-                  clearHoverProjectSoon={props.ctx.clearHoverProjectSoon}
-                  prefetchSession={props.ctx.prefetchSession}
-                  archiveSession={props.ctx.archiveSession}
-                />
-              )}
-            </For>
-            <Show when={hasMore()}>
-              <div class="relative w-full py-1">
-                <Button
-                  variant="ghost"
-                  class="flex w-full text-left justify-start text-14-regular text-text-weak pl-9 pr-10"
-                  size="large"
-                  onClick={(e: MouseEvent) => {
-                    loadMore()
-                    ;(e.currentTarget as HTMLButtonElement).blur()
-                  }}
-                >
-                  {language.t("common.loadMore")}
-                </Button>
-              </div>
-            </Show>
-          </nav>
+          <WorkspaceSessionList
+            slug={slug}
+            mobile={props.mobile}
+            ctx={props.ctx}
+            showNew={showNew}
+            loading={loading}
+            sessions={sessions}
+            children={children}
+            hasMore={hasMore}
+            loadMore={loadMore}
+            language={language}
+          />
         </Collapsible.Content>
       </Collapsible>
     </div>
diff --git a/packages/app/src/pages/session.tsx b/packages/app/src/pages/session.tsx
index 9453dd703..edcc660a0 100644
--- a/packages/app/src/pages/session.tsx
+++ b/packages/app/src/pages/session.tsx
@@ -394,6 +394,19 @@ export default function Page() {
       })
   }
 
+  const navigateAfterSessionRemoval = (sessionID: string, parentID?: string, nextSessionID?: string) => {
+    if (params.id !== sessionID) return
+    if (parentID) {
+      navigate(`/${params.dir}/session/${parentID}`)
+      return
+    }
+    if (nextSessionID) {
+      navigate(`/${params.dir}/session/${nextSessionID}`)
+      return
+    }
+    navigate(`/${params.dir}/session`)
+  }
+
   async function archiveSession(sessionID: string) {
     const session = sync.session.get(sessionID)
     if (!session) return
@@ -411,17 +424,7 @@ export default function Page() {
             if (index !== -1) draft.session.splice(index, 1)
           }),
         )
-
-        if (params.id !== sessionID) return
-        if (session.parentID) {
-          navigate(`/${params.dir}/session/${session.parentID}`)
-          return
-        }
-        if (nextSession) {
-          navigate(`/${params.dir}/session/${nextSession.id}`)
-          return
-        }
-        navigate(`/${params.dir}/session`)
+        navigateAfterSessionRemoval(sessionID, session.parentID, nextSession?.id)
       })
       .catch((err) => {
         showToast({
@@ -487,16 +490,7 @@ export default function Page() {
       }),
     )
 
-    if (params.id !== sessionID) return true
-    if (session.parentID) {
-      navigate(`/${params.dir}/session/${session.parentID}`)
-      return true
-    }
-    if (nextSession) {
-      navigate(`/${params.dir}/session/${nextSession.id}`)
-      return true
-    }
-    navigate(`/${params.dir}/session`)
+    navigateAfterSessionRemoval(sessionID, session.parentID, nextSession?.id)
     return true
   }
 
@@ -1532,15 +1526,18 @@ export default function Page() {
   createEffect(() => {
     if (!file.ready()) return
     setSessionHandoff(sessionKey(), {
-      files: Object.fromEntries(
-        tabs()
-          .all()
-          .flatMap((tab) => {
-            const path = file.pathFromTab(tab)
-            if (!path) return []
-            return [[path, file.selectedLines(path) ?? null] as const]
-          }),
-      ),
+      files: tabs()
+        .all()
+        .reduce<Record<string, SelectedLineRange | null>>((acc, tab) => {
+          const path = file.pathFromTab(tab)
+          if (!path) return acc
+          const selected = file.selectedLines(path)
+          acc[path] =
+            selected && typeof selected === "object" && "start" in selected && "end" in selected
+              ? (selected as SelectedLineRange)
+              : null
+          return acc
+        }, {}),
     })
   })
 
@@ -1557,6 +1554,7 @@ export default function Page() {
       <div class="flex-1 min-h-0 flex flex-col md:flex-row">
         <SessionMobileTabs
           open={!isDesktop() && !!params.id}
+          mobileTab={store.mobileTab}
           hasReview={hasReview()}
           reviewCount={reviewCount()}
           onSession={() => setStore("mobileTab", "session")}
@@ -1719,7 +1717,6 @@ export default function Page() {
           dialog={dialog}
           file={file}
           comments={comments}
-          sync={sync}
           hasReview={hasReview()}
           reviewCount={reviewCount()}
           reviewTab={reviewTab()}
@@ -1731,10 +1728,12 @@ export default function Page() {
           openTab={openTab}
           showAllFiles={showAllFiles}
           reviewPanel={reviewPanel}
-          messages={messages as () => unknown[]}
-          visibleUserMessages={visibleUserMessages as () => unknown[]}
-          view={view}
-          info={info as () => unknown}
+          vm={{
+            messages,
+            visibleUserMessages,
+            view,
+            info,
+          }}
           handoffFiles={() => handoff.session.get(sessionKey())?.files}
           codeComponent={codeComponent}
           addCommentToContext={addCommentToContext}
diff --git a/packages/app/src/pages/session/file-tabs.tsx b/packages/app/src/pages/session/file-tabs.tsx
index 0c8281a66..c94c0ff35 100644
--- a/packages/app/src/pages/session/file-tabs.tsx
+++ b/packages/app/src/pages/session/file-tabs.tsx
@@ -12,6 +12,13 @@ import { useFile, type SelectedLineRange } from "@/context/file"
 import { useComments } from "@/context/comments"
 import { useLanguage } from "@/context/language"
 
+const formatCommentLabel = (range: SelectedLineRange) => {
+  const start = Math.min(range.start, range.end)
+  const end = Math.max(range.start, range.end)
+  if (start === end) return `line ${start}`
+  return `lines ${start}-${end}`
+}
+
 export function FileTabContent(props: {
   tab: string
   activeTab: () => string
@@ -76,7 +83,6 @@ export function FileTabContent(props: {
     showToast({
       variant: "error",
       title: props.language.t("toast.file.loadFailed.title"),
-      description: "Invalid base64 content.",
     })
   })
   const svgPreviewUrl = createMemo(() => {
@@ -116,34 +122,6 @@ export function FileTabContent(props: {
     draftTop: undefined as number | undefined,
   })
 
-  const openedComment = () => note.openedComment
-  const setOpenedComment = (
-    value: typeof note.openedComment | ((value: typeof note.openedComment) => typeof note.openedComment),
-  ) => setNote("openedComment", value)
-
-  const commenting = () => note.commenting
-  const setCommenting = (value: typeof note.commenting | ((value: typeof note.commenting) => typeof note.commenting)) =>
-    setNote("commenting", value)
-
-  const draft = () => note.draft
-  const setDraft = (value: typeof note.draft | ((value: typeof note.draft) => typeof note.draft)) =>
-    setNote("draft", value)
-
-  const positions = () => note.positions
-  const setPositions = (value: typeof note.positions | ((value: typeof note.positions) => typeof note.positions)) =>
-    setNote("positions", value)
-
-  const draftTop = () => note.draftTop
-  const setDraftTop = (value: typeof note.draftTop | ((value: typeof note.draftTop) => typeof note.draftTop)) =>
-    setNote("draftTop", value)
-
-  const commentLabel = (range: SelectedLineRange) => {
-    const start = Math.min(range.start, range.end)
-    const end = Math.max(range.start, range.end)
-    if (start === end) return `line ${start}`
-    return `lines ${start}-${end}`
-  }
-
   const getRoot = () => {
     const el = wrap
     if (!el) return
@@ -174,8 +152,8 @@ export function FileTabContent(props: {
     const el = wrap
     const root = getRoot()
     if (!el || !root) {
-      setPositions({})
-      setDraftTop(undefined)
+      setNote("positions", {})
+      setNote("draftTop", undefined)
       return
     }
 
@@ -186,21 +164,21 @@ export function FileTabContent(props: {
       next[comment.id] = markerTop(el, marker)
     }
 
-    setPositions(next)
+    setNote("positions", next)
 
-    const range = commenting()
+    const range = note.commenting
     if (!range) {
-      setDraftTop(undefined)
+      setNote("draftTop", undefined)
       return
     }
 
     const marker = findMarker(root, range)
     if (!marker) {
-      setDraftTop(undefined)
+      setNote("draftTop", undefined)
       return
     }
 
-    setDraftTop(markerTop(el, marker))
+    setNote("draftTop", markerTop(el, marker))
   }
 
   const scheduleComments = () => {
@@ -213,10 +191,10 @@ export function FileTabContent(props: {
   })
 
   createEffect(() => {
-    const range = commenting()
+    const range = note.commenting
     scheduleComments()
     if (!range) return
-    setDraft("")
+    setNote("draft", "")
   })
 
   createEffect(() => {
@@ -229,8 +207,8 @@ export function FileTabContent(props: {
     const target = fileComments().find((comment) => comment.id === focus.id)
     if (!target) return
 
-    setOpenedComment(target.id)
-    setCommenting(null)
+    setNote("openedComment", target.id)
+    setNote("commenting", null)
     props.file.setSelectedLines(p, target.selection)
     requestAnimationFrame(() => props.comments.clearFocus())
   })
@@ -390,16 +368,16 @@ export function FileTabContent(props: {
           const p = path()
           if (!p) return
           props.file.setSelectedLines(p, range)
-          if (!range) setCommenting(null)
+          if (!range) setNote("commenting", null)
         }}
         onLineSelectionEnd={(range: SelectedLineRange | null) => {
           if (!range) {
-            setCommenting(null)
+            setNote("commenting", null)
             return
           }
 
-          setOpenedComment(null)
-          setCommenting(range)
+          setNote("openedComment", null)
+          setNote("commenting", range)
         }}
         overflow="scroll"
         class="select-text"
@@ -408,10 +386,10 @@ export function FileTabContent(props: {
         {(comment) => (
           <LineCommentView
             id={comment.id}
-            top={positions()[comment.id]}
-            open={openedComment() === comment.id}
+            top={note.positions[comment.id]}
+            open={note.openedComment === comment.id}
             comment={comment.comment}
-            selection={commentLabel(comment.selection)}
+            selection={formatCommentLabel(comment.selection)}
             onMouseEnter={() => {
               const p = path()
               if (!p) return
@@ -420,22 +398,22 @@ export function FileTabContent(props: {
             onClick={() => {
               const p = path()
               if (!p) return
-              setCommenting(null)
-              setOpenedComment((current) => (current === comment.id ? null : comment.id))
+              setNote("commenting", null)
+              setNote("openedComment", (current) => (current === comment.id ? null : comment.id))
               props.file.setSelectedLines(p, comment.selection)
             }}
           />
         )}
       </For>
-      <Show when={commenting()}>
+      <Show when={note.commenting}>
         {(range) => (
-          <Show when={draftTop() !== undefined}>
+          <Show when={note.draftTop !== undefined}>
             <LineCommentEditor
-              top={draftTop()}
-              value={draft()}
-              selection={commentLabel(range())}
-              onInput={(value) => setDraft(value)}
-              onCancel={() => setCommenting(null)}
+              top={note.draftTop}
+              value={note.draft}
+              selection={formatCommentLabel(range())}
+              onInput={(value) => setNote("draft", value)}
+              onCancel={() => setNote("commenting", null)}
               onSubmit={(value) => {
                 const p = path()
                 if (!p) return
@@ -445,7 +423,7 @@ export function FileTabContent(props: {
                   comment: value,
                   origin: "file",
                 })
-                setCommenting(null)
+                setNote("commenting", null)
               }}
               onPopoverFocusOut={(e: FocusEvent) => {
                 const current = e.currentTarget as HTMLDivElement
@@ -454,7 +432,7 @@ export function FileTabContent(props: {
 
                 setTimeout(() => {
                   if (!document.activeElement || !current.contains(document.activeElement)) {
-                    setCommenting(null)
+                    setNote("commenting", null)
                   }
                 }, 0)
               }}
diff --git a/packages/app/src/pages/session/message-timeline.tsx b/packages/app/src/pages/session/message-timeline.tsx
index a4ca06dd5..d5f04ccf9 100644
--- a/packages/app/src/pages/session/message-timeline.tsx
+++ b/packages/app/src/pages/session/message-timeline.tsx
@@ -9,6 +9,37 @@ import { SessionTurn } from "@opencode-ai/ui/session-turn"
 import type { UserMessage } from "@opencode-ai/sdk/v2"
 import { shouldMarkBoundaryGesture, normalizeWheelDelta } from "@/pages/session/message-gesture"
 
+const boundaryTarget = (root: HTMLElement, target: EventTarget | null) => {
+  const current = target instanceof Element ? target : undefined
+  const nested = current?.closest("[data-scrollable]")
+  if (!nested || nested === root) return root
+  if (!(nested instanceof HTMLElement)) return root
+  return nested
+}
+
+const markBoundaryGesture = (input: {
+  root: HTMLDivElement
+  target: EventTarget | null
+  delta: number
+  onMarkScrollGesture: (target?: EventTarget | null) => void
+}) => {
+  const target = boundaryTarget(input.root, input.target)
+  if (target === input.root) {
+    input.onMarkScrollGesture(input.root)
+    return
+  }
+  if (
+    shouldMarkBoundaryGesture({
+      delta: input.delta,
+      scrollTop: target.scrollTop,
+      scrollHeight: target.scrollHeight,
+      clientHeight: target.clientHeight,
+    })
+  ) {
+    input.onMarkScrollGesture(input.root)
+  }
+}
+
 export function MessageTimeline(props: {
   mobileChanges: boolean
   mobileFallback: JSX.Element
@@ -86,35 +117,13 @@ export function MessageTimeline(props: {
           ref={props.setScrollRef}
           onWheel={(e) => {
             const root = e.currentTarget
-            const target = e.target instanceof Element ? e.target : undefined
-            const nested = target?.closest("[data-scrollable]")
-            if (!nested || nested === root) {
-              props.onMarkScrollGesture(root)
-              return
-            }
-
-            if (!(nested instanceof HTMLElement)) {
-              props.onMarkScrollGesture(root)
-              return
-            }
-
             const delta = normalizeWheelDelta({
               deltaY: e.deltaY,
               deltaMode: e.deltaMode,
               rootHeight: root.clientHeight,
             })
             if (!delta) return
-
-            if (
-              shouldMarkBoundaryGesture({
-                delta,
-                scrollTop: nested.scrollTop,
-                scrollHeight: nested.scrollHeight,
-                clientHeight: nested.clientHeight,
-              })
-            ) {
-              props.onMarkScrollGesture(root)
-            }
+            markBoundaryGesture({ root, target: e.target, delta, onMarkScrollGesture: props.onMarkScrollGesture })
           }}
           onTouchStart={(e) => {
             touchGesture = e.touches[0]?.clientY
@@ -129,28 +138,7 @@ export function MessageTimeline(props: {
             if (!delta) return
 
             const root = e.currentTarget
-            const target = e.target instanceof Element ? e.target : undefined
-            const nested = target?.closest("[data-scrollable]")
-            if (!nested || nested === root) {
-              props.onMarkScrollGesture(root)
-              return
-            }
-
-            if (!(nested instanceof HTMLElement)) {
-              props.onMarkScrollGesture(root)
-              return
-            }
-
-            if (
-              shouldMarkBoundaryGesture({
-                delta,
-                scrollTop: nested.scrollTop,
-                scrollHeight: nested.scrollHeight,
-                clientHeight: nested.clientHeight,
-              })
-            ) {
-              props.onMarkScrollGesture(root)
-            }
+            markBoundaryGesture({ root, target: e.target, delta, onMarkScrollGesture: props.onMarkScrollGesture })
           }}
           onTouchEnd={() => {
             touchGesture = undefined
diff --git a/packages/app/src/pages/session/review-tab.tsx b/packages/app/src/pages/session/review-tab.tsx
index 72518c68e..634491c72 100644
--- a/packages/app/src/pages/session/review-tab.tsx
+++ b/packages/app/src/pages/session/review-tab.tsx
@@ -1,4 +1,5 @@
-import { createEffect, on, onCleanup, createSignal, type JSX } from "solid-js"
+import { createEffect, on, onCleanup, type JSX } from "solid-js"
+import { createStore } from "solid-js/store"
 import type { FileDiff } from "@opencode-ai/sdk/v2"
 import { SessionReview } from "@opencode-ai/ui/session-review"
 import type { SelectedLineRange } from "@/context/file"
@@ -30,7 +31,7 @@ export interface SessionReviewTabProps {
 }
 
 export function StickyAddButton(props: { children: JSX.Element }) {
-  const [stuck, setStuck] = createSignal(false)
+  const [state, setState] = createStore({ stuck: false })
   let button: HTMLDivElement | undefined
 
   createEffect(() => {
@@ -43,7 +44,7 @@ export function StickyAddButton(props: { children: JSX.Element }) {
     const handler = () => {
       const rect = node.getBoundingClientRect()
       const scrollRect = scroll.getBoundingClientRect()
-      setStuck(rect.right >= scrollRect.right && scroll.scrollWidth > scroll.clientWidth)
+      setState("stuck", rect.right >= scrollRect.right && scroll.scrollWidth > scroll.clientWidth)
     }
 
     scroll.addEventListener("scroll", handler, { passive: true })
@@ -60,7 +61,7 @@ export function StickyAddButton(props: { children: JSX.Element }) {
     <div
       ref={button}
       class="bg-background-base h-full shrink-0 sticky right-0 z-10 flex items-center justify-center border-b border-border-weak-base px-3"
-      classList={{ "border-l": stuck() }}
+      classList={{ "border-l": state.stuck }}
     >
       {props.children}
     </div>
@@ -78,7 +79,10 @@ export function SessionReviewTab(props: SessionReviewTabProps) {
     return sdk.client.file
       .read({ path })
       .then((x) => x.data)
-      .catch(() => undefined)
+      .catch((error) => {
+        console.debug("[session-review] failed to read file", { path, error })
+        return undefined
+      })
   }
 
   const restoreScroll = () => {
diff --git a/packages/app/src/pages/session/session-mobile-tabs.tsx b/packages/app/src/pages/session/session-mobile-tabs.tsx
index 41f058231..6afe8024a 100644
--- a/packages/app/src/pages/session/session-mobile-tabs.tsx
+++ b/packages/app/src/pages/session/session-mobile-tabs.tsx
@@ -1,8 +1,9 @@
-import { Match, Show, Switch } from "solid-js"
+import { Show } from "solid-js"
 import { Tabs } from "@opencode-ai/ui/tabs"
 
 export function SessionMobileTabs(props: {
   open: boolean
+  mobileTab: "session" | "changes"
   hasReview: boolean
   reviewCount: number
   onSession: () => void
@@ -11,7 +12,7 @@ export function SessionMobileTabs(props: {
 }) {
   return (
     <Show when={props.open}>
-      <Tabs class="h-auto">
+      <Tabs value={props.mobileTab} class="h-auto">
         <Tabs.List>
           <Tabs.Trigger value="session" class="w-1/2" classes={{ button: "w-full" }} onClick={props.onSession}>
             {props.t("session.tab.session")}
@@ -22,12 +23,9 @@ export function SessionMobileTabs(props: {
             classes={{ button: "w-full" }}
             onClick={props.onChanges}
           >
-            <Switch>
-              <Match when={props.hasReview}>
-                {props.t("session.review.filesChanged", { count: props.reviewCount })}
-              </Match>
-              <Match when={true}>{props.t("session.review.change.other")}</Match>
-            </Switch>
+            {props.hasReview
+              ? props.t("session.review.filesChanged", { count: props.reviewCount })
+              : props.t("session.review.change.other")}
           </Tabs.Trigger>
         </Tabs.List>
       </Tabs>
diff --git a/packages/app/src/pages/session/session-prompt-dock.tsx b/packages/app/src/pages/session/session-prompt-dock.tsx
index eaf0564b2..8ec4f3b9f 100644
--- a/packages/app/src/pages/session/session-prompt-dock.tsx
+++ b/packages/app/src/pages/session/session-prompt-dock.tsx
@@ -1,15 +1,14 @@
-import { For, Show, type ComponentProps } from "solid-js"
+import { For, Show } from "solid-js"
+import type { QuestionRequest } from "@opencode-ai/sdk/v2"
 import { Button } from "@opencode-ai/ui/button"
 import { BasicTool } from "@opencode-ai/ui/basic-tool"
 import { PromptInput } from "@/components/prompt-input"
 import { QuestionDock } from "@/components/question-dock"
 import { questionSubtitle } from "@/pages/session/session-prompt-helpers"
 
-const questionDockRequest = (value: unknown) => value as ComponentProps<typeof QuestionDock>["request"]
-
 export function SessionPromptDock(props: {
   centered: boolean
-  questionRequest: () => { questions: unknown[] } | undefined
+  questionRequest: () => QuestionRequest | undefined
   permissionRequest: () => { patterns: string[]; permission: string } | undefined
   blocked: boolean
   promptReady: boolean
@@ -48,7 +47,7 @@ export function SessionPromptDock(props: {
                     subtitle,
                   }}
                 />
-                <QuestionDock request={questionDockRequest(req)} />
+                <QuestionDock request={req} />
               </div>
             )
           }}
diff --git a/packages/app/src/pages/session/session-side-panel.tsx b/packages/app/src/pages/session/session-side-panel.tsx
index d9460cc1a..15ad90ffe 100644
--- a/packages/app/src/pages/session/session-side-panel.tsx
+++ b/packages/app/src/pages/session/session-side-panel.tsx
@@ -21,6 +21,14 @@ import { useFile, type SelectedLineRange } from "@/context/file"
 import { useLanguage } from "@/context/language"
 import { useLayout } from "@/context/layout"
 import { useSync } from "@/context/sync"
+import type { Message, UserMessage } from "@opencode-ai/sdk/v2/client"
+
+type SessionSidePanelViewModel = {
+  messages: () => Message[]
+  visibleUserMessages: () => UserMessage[]
+  view: () => ReturnType<ReturnType<typeof useLayout>["view"]>
+  info: () => ReturnType<ReturnType<typeof useSync>["session"]["get"]>
+}
 
 export function SessionSidePanel(props: {
   open: boolean
@@ -31,7 +39,6 @@ export function SessionSidePanel(props: {
   dialog: ReturnType<typeof useDialog>
   file: ReturnType<typeof useFile>
   comments: ReturnType<typeof useComments>
-  sync: ReturnType<typeof useSync>
   hasReview: boolean
   reviewCount: number
   reviewTab: boolean
@@ -43,10 +50,7 @@ export function SessionSidePanel(props: {
   openTab: (value: string) => void
   showAllFiles: () => void
   reviewPanel: () => JSX.Element
-  messages: () => unknown[]
-  visibleUserMessages: () => unknown[]
-  view: () => ReturnType<ReturnType<typeof useLayout>["view"]>
-  info: () => unknown
+  vm: SessionSidePanelViewModel
   handoffFiles: () => Record<string, SelectedLineRange | null> | undefined
   codeComponent: NonNullable<ValidComponent>
   addCommentToContext: (input: {
@@ -187,10 +191,10 @@ export function SessionSidePanel(props: {
                         <Show when={props.activeTab() === "context"}>
                           <div class="relative pt-2 flex-1 min-h-0 overflow-hidden">
                             <SessionContextTab
-                              messages={props.messages as never}
-                              visibleUserMessages={props.visibleUserMessages as never}
-                              view={props.view as never}
-                              info={props.info as never}
+                              messages={props.vm.messages}
+                              visibleUserMessages={props.vm.visibleUserMessages}
+                              view={props.vm.view}
+                              info={props.vm.info}
                             />
                           </div>
                         </Show>
@@ -203,7 +207,7 @@ export function SessionSidePanel(props: {
                           tab={tab}
                           activeTab={props.activeTab}
                           tabs={props.tabs}
-                          view={props.view}
+                          view={props.vm.view}
                           handoffFiles={props.handoffFiles}
                           file={props.file}
                           comments={props.comments}
diff --git a/packages/app/src/pages/session/terminal-panel.tsx b/packages/app/src/pages/session/terminal-panel.tsx
index 2e65fde0e..d3475c714 100644
--- a/packages/app/src/pages/session/terminal-panel.tsx
+++ b/packages/app/src/pages/session/terminal-panel.tsx
@@ -1,4 +1,4 @@
-import { createMemo, For, Show } from "solid-js"
+import { For, Show } from "solid-js"
 import { Tabs } from "@opencode-ai/ui/tabs"
 import { ResizeHandle } from "@opencode-ai/ui/resize-handle"
 import { IconButton } from "@opencode-ai/ui/icon-button"
@@ -141,9 +141,8 @@ export function TerminalPanel(props: {
             <DragOverlay>
               <Show when={props.activeTerminalDraggable()}>
                 {(draggedId) => {
-                  const pty = createMemo(() => props.terminal.all().find((t: LocalPTY) => t.id === draggedId()))
                   return (
-                    <Show when={pty()}>
+                    <Show when={props.terminal.all().find((t: LocalPTY) => t.id === draggedId())}>
                       {(t) => (
                         <div class="relative p-1 h-10 flex items-center bg-background-stronger text-14-regular">
                           {terminalTabLabel({
diff --git a/packages/app/src/pages/session/use-session-commands.tsx b/packages/app/src/pages/session/use-session-commands.tsx
index d52022d73..81c71133f 100644
--- a/packages/app/src/pages/session/use-session-commands.tsx
+++ b/packages/app/src/pages/session/use-session-commands.tsx
@@ -1,8 +1,8 @@
 import { createMemo } from "solid-js"
 import { useNavigate, useParams } from "@solidjs/router"
-import { useCommand } from "@/context/command"
+import { useCommand, type CommandOption } from "@/context/command"
 import { useDialog } from "@opencode-ai/ui/context/dialog"
-import { useFile, selectionFromLines, type FileSelection } from "@/context/file"
+import { useFile, selectionFromLines, type FileSelection, type SelectedLineRange } from "@/context/file"
 import { useLanguage } from "@/context/language"
 import { useLayout } from "@/context/layout"
 import { useLocal } from "@/context/local"
@@ -22,7 +22,7 @@ import { UserMessage } from "@opencode-ai/sdk/v2"
 import { combineCommandSections } from "@/pages/session/helpers"
 import { canAddSelectionContext } from "@/pages/session/session-command-helpers"
 
-export const useSessionCommands = (input: {
+export type SessionCommandContext = {
   command: ReturnType<typeof useCommand>
   dialog: ReturnType<typeof useDialog>
   file: ReturnType<typeof useFile>
@@ -49,32 +49,48 @@ export const useSessionCommands = (input: {
   setActiveMessage: (message: UserMessage | undefined) => void
   addSelectionToContext: (path: string, selection: FileSelection) => void
   focusInput: () => void
-}) => {
+}
+
+const withCategory = (category: string) => {
+  return (option: Omit<CommandOption, "category">): CommandOption => ({
+    ...option,
+    category,
+  })
+}
+
+export const useSessionCommands = (input: SessionCommandContext) => {
+  const sessionCommand = withCategory(input.language.t("command.category.session"))
+  const fileCommand = withCategory(input.language.t("command.category.file"))
+  const contextCommand = withCategory(input.language.t("command.category.context"))
+  const viewCommand = withCategory(input.language.t("command.category.view"))
+  const terminalCommand = withCategory(input.language.t("command.category.terminal"))
+  const modelCommand = withCategory(input.language.t("command.category.model"))
+  const mcpCommand = withCategory(input.language.t("command.category.mcp"))
+  const agentCommand = withCategory(input.language.t("command.category.agent"))
+  const permissionsCommand = withCategory(input.language.t("command.category.permissions"))
+
   const sessionCommands = createMemo(() => [
-    {
+    sessionCommand({
       id: "session.new",
       title: input.language.t("command.session.new"),
-      category: input.language.t("command.category.session"),
       keybind: "mod+shift+s",
       slash: "new",
       onSelect: () => input.navigate(`/${input.params.dir}/session`),
-    },
+    }),
   ])
 
   const fileCommands = createMemo(() => [
-    {
+    fileCommand({
       id: "file.open",
       title: input.language.t("command.file.open"),
       description: input.language.t("palette.search.placeholder"),
-      category: input.language.t("command.category.file"),
       keybind: "mod+p",
       slash: "open",
       onSelect: () => input.dialog.show(() => <DialogSelectFile onOpenFile={input.showAllFiles} />),
-    },
-    {
+    }),
+    fileCommand({
       id: "tab.close",
       title: input.language.t("command.tab.close"),
-      category: input.language.t("command.category.file"),
       keybind: "mod+w",
       disabled: !input.tabs().active(),
       onSelect: () => {
@@ -82,15 +98,14 @@ export const useSessionCommands = (input: {
         if (!active) return
         input.tabs().close(active)
       },
-    },
+    }),
   ])
 
   const contextCommands = createMemo(() => [
-    {
+    contextCommand({
       id: "context.addSelection",
       title: input.language.t("command.context.addSelection"),
       description: input.language.t("command.context.addSelection.description"),
-      category: input.language.t("command.category.context"),
       keybind: "mod+shift+l",
       disabled: !canAddSelectionContext({
         active: input.tabs().active(),
@@ -103,7 +118,7 @@ export const useSessionCommands = (input: {
         const path = input.file.pathFromTab(active)
         if (!path) return
 
-        const range = input.file.selectedLines(path)
+        const range = input.file.selectedLines(path) as SelectedLineRange | null | undefined
         if (!range) {
           showToast({
             title: input.language.t("toast.context.noLineSelection.title"),
@@ -114,58 +129,49 @@ export const useSessionCommands = (input: {
 
         input.addSelectionToContext(path, selectionFromLines(range))
       },
-    },
+    }),
   ])
 
   const viewCommands = createMemo(() => [
-    {
+    viewCommand({
       id: "terminal.toggle",
       title: input.language.t("command.terminal.toggle"),
-      description: "",
-      category: input.language.t("command.category.view"),
       keybind: "ctrl+`",
       slash: "terminal",
       onSelect: () => input.view().terminal.toggle(),
-    },
-    {
+    }),
+    viewCommand({
       id: "review.toggle",
       title: input.language.t("command.review.toggle"),
-      description: "",
-      category: input.language.t("command.category.view"),
       keybind: "mod+shift+r",
       onSelect: () => input.view().reviewPanel.toggle(),
-    },
-    {
+    }),
+    viewCommand({
       id: "fileTree.toggle",
       title: input.language.t("command.fileTree.toggle"),
-      description: "",
-      category: input.language.t("command.category.view"),
       keybind: "mod+\\",
       onSelect: () => input.layout.fileTree.toggle(),
-    },
-    {
+    }),
+    viewCommand({
       id: "input.focus",
       title: input.language.t("command.input.focus"),
-      category: input.language.t("command.category.view"),
       keybind: "ctrl+l",
       onSelect: () => input.focusInput(),
-    },
-    {
+    }),
+    terminalCommand({
       id: "terminal.new",
       title: input.language.t("command.terminal.new"),
       description: input.language.t("command.terminal.new.description"),
-      category: input.language.t("command.category.terminal"),
       keybind: "ctrl+alt+t",
       onSelect: () => {
         if (input.terminal.all().length > 0) input.terminal.new()
         input.view().terminal.open()
       },
-    },
-    {
+    }),
+    viewCommand({
       id: "steps.toggle",
       title: input.language.t("command.steps.toggle"),
       description: input.language.t("command.steps.toggle.description"),
-      category: input.language.t("command.category.view"),
       keybind: "mod+e",
       slash: "steps",
       disabled: !input.params.id,
@@ -174,86 +180,78 @@ export const useSessionCommands = (input: {
         if (!msg) return
         input.setExpanded(msg.id, (open: boolean | undefined) => !open)
       },
-    },
+    }),
   ])
 
   const messageCommands = createMemo(() => [
-    {
+    sessionCommand({
       id: "message.previous",
       title: input.language.t("command.message.previous"),
       description: input.language.t("command.message.previous.description"),
-      category: input.language.t("command.category.session"),
       keybind: "mod+arrowup",
       disabled: !input.params.id,
       onSelect: () => input.navigateMessageByOffset(-1),
-    },
-    {
+    }),
+    sessionCommand({
       id: "message.next",
       title: input.language.t("command.message.next"),
       description: input.language.t("command.message.next.description"),
-      category: input.language.t("command.category.session"),
       keybind: "mod+arrowdown",
       disabled: !input.params.id,
       onSelect: () => input.navigateMessageByOffset(1),
-    },
+    }),
   ])
 
   const agentCommands = createMemo(() => [
-    {
+    modelCommand({
       id: "model.choose",
       title: input.language.t("command.model.choose"),
       description: input.language.t("command.model.choose.description"),
-      category: input.language.t("command.category.model"),
       keybind: "mod+'",
       slash: "model",
       onSelect: () => input.dialog.show(() => <DialogSelectModel />),
-    },
-    {
+    }),
+    mcpCommand({
       id: "mcp.toggle",
       title: input.language.t("command.mcp.toggle"),
       description: input.language.t("command.mcp.toggle.description"),
-      category: input.language.t("command.category.mcp"),
       keybind: "mod+;",
       slash: "mcp",
       onSelect: () => input.dialog.show(() => <DialogSelectMcp />),
-    },
-    {
+    }),
+    agentCommand({
       id: "agent.cycle",
       title: input.language.t("command.agent.cycle"),
       description: input.language.t("command.agent.cycle.description"),
-      category: input.language.t("command.category.agent"),
       keybind: "mod+.",
       slash: "agent",
       onSelect: () => input.local.agent.move(1),
-    },
-    {
+    }),
+    agentCommand({
       id: "agent.cycle.reverse",
       title: input.language.t("command.agent.cycle.reverse"),
       description: input.language.t("command.agent.cycle.reverse.description"),
-      category: input.language.t("command.category.agent"),
       keybind: "shift+mod+.",
       onSelect: () => input.local.agent.move(-1),
-    },
-    {
+    }),
+    modelCommand({
       id: "model.variant.cycle",
       title: input.language.t("command.model.variant.cycle"),
       description: input.language.t("command.model.variant.cycle.description"),
-      category: input.language.t("command.category.model"),
       keybind: "shift+mod+d",
       onSelect: () => {
         input.local.model.variant.cycle()
       },
-    },
+    }),
   ])
 
   const permissionCommands = createMemo(() => [
-    {
+    permissionsCommand({
       id: "permissions.autoaccept",
       title:
         input.params.id && input.permission.isAutoAccepting(input.params.id, input.sdk.directory)
           ? input.language.t("command.permissions.autoaccept.disable")
           : input.language.t("command.permissions.autoaccept.enable"),
-      category: input.language.t("command.category.permissions"),
       keybind: "mod+shift+a",
       disabled: !input.params.id || !input.permission.permissionsEnabled(),
       onSelect: () => {
@@ -269,15 +267,14 @@ export const useSessionCommands = (input: {
             : input.language.t("toast.permissions.autoaccept.off.description"),
         })
       },
-    },
+    }),
   ])
 
   const sessionActionCommands = createMemo(() => [
-    {
+    sessionCommand({
       id: "session.undo",
       title: input.language.t("command.session.undo"),
       description: input.language.t("command.session.undo.description"),
-      category: input.language.t("command.category.session"),
       slash: "undo",
       disabled: !input.params.id || input.visibleUserMessages().length === 0,
       onSelect: async () => {
@@ -298,12 +295,11 @@ export const useSessionCommands = (input: {
         const priorMessage = findLast(input.userMessages(), (x) => x.id < message.id)
         input.setActiveMessage(priorMessage)
       },
-    },
-    {
+    }),
+    sessionCommand({
       id: "session.redo",
       title: input.language.t("command.session.redo"),
       description: input.language.t("command.session.redo.description"),
-      category: input.language.t("command.category.session"),
       slash: "redo",
       disabled: !input.params.id || !input.info()?.revert?.messageID,
       onSelect: async () => {
@@ -323,12 +319,11 @@ export const useSessionCommands = (input: {
         const priorMsg = findLast(input.userMessages(), (x) => x.id < nextMessage.id)
         input.setActiveMessage(priorMsg)
       },
-    },
-    {
+    }),
+    sessionCommand({
       id: "session.compact",
       title: input.language.t("command.session.compact"),
       description: input.language.t("command.session.compact.description"),
-      category: input.language.t("command.category.session"),
       slash: "compact",
       disabled: !input.params.id || input.visibleUserMessages().length === 0,
       onSelect: async () => {
@@ -348,22 +343,21 @@ export const useSessionCommands = (input: {
           providerID: model.provider.id,
         })
       },
-    },
-    {
+    }),
+    sessionCommand({
       id: "session.fork",
       title: input.language.t("command.session.fork"),
       description: input.language.t("command.session.fork.description"),
-      category: input.language.t("command.category.session"),
       slash: "fork",
       disabled: !input.params.id || input.visibleUserMessages().length === 0,
       onSelect: () => input.dialog.show(() => <DialogFork />),
-    },
+    }),
   ])
 
   const shareCommands = createMemo(() => {
     if (input.sync.data.config.share === "disabled") return []
     return [
-      {
+      sessionCommand({
         id: "session.share",
         title: input.info()?.share?.url
           ? input.language.t("session.share.copy.copyLink")
@@ -371,7 +365,6 @@ export const useSessionCommands = (input: {
         description: input.info()?.share?.url
           ? input.language.t("toast.session.share.success.description")
           : input.language.t("command.session.share.description"),
-        category: input.language.t("command.category.session"),
         slash: "share",
         disabled: !input.params.id,
         onSelect: async () => {
@@ -441,12 +434,11 @@ export const useSessionCommands = (input: {
 
           await copy(url, false)
         },
-      },
-      {
+      }),
+      sessionCommand({
         id: "session.unshare",
         title: input.language.t("command.session.unshare"),
         description: input.language.t("command.session.unshare.description"),
-        category: input.language.t("command.category.session"),
         slash: "unshare",
         disabled: !input.params.id || !input.info()?.share?.url,
         onSelect: async () => {
@@ -468,7 +460,7 @@ export const useSessionCommands = (input: {
               }),
             )
         },
-      },
+      }),
     ]
   })