chore: refactoring and tests, splitting up files (#12495)

16 files changed, 858 insertions, 685 deletions

diff --git a/packages/app/src/components/dialog-custom-provider.tsx b/packages/app/src/components/dialog-custom-provider.tsx
index 28a947f3b..53773ed9e 100644
--- a/packages/app/src/components/dialog-custom-provider.tsx
+++ b/packages/app/src/components/dialog-custom-provider.tsx
@@ -124,16 +124,16 @@ export function DialogCustomProvider(props: Props) {
     const key = apiKey && !env ? apiKey : undefined
 
     const idError = !providerID
-      ? "Provider ID is required"
+      ? language.t("provider.custom.error.providerID.required")
       : !PROVIDER_ID.test(providerID)
-        ? "Use lowercase letters, numbers, hyphens, or underscores"
+        ? language.t("provider.custom.error.providerID.format")
         : undefined
 
-    const nameError = !name ? "Display name is required" : undefined
+    const nameError = !name ? language.t("provider.custom.error.name.required") : undefined
     const urlError = !baseURL
-      ? "Base URL is required"
+      ? language.t("provider.custom.error.baseURL.required")
       : !/^https?:\/\//.test(baseURL)
-        ? "Must start with http:// or https://"
+        ? language.t("provider.custom.error.baseURL.format")
         : undefined
 
     const disabled = (globalSync.data.config.disabled_providers ?? []).includes(providerID)
@@ -141,21 +141,21 @@ export function DialogCustomProvider(props: Props) {
     const existsError = idError
       ? undefined
       : existingProvider && !disabled
-        ? "That provider ID already exists"
+        ? language.t("provider.custom.error.providerID.exists")
         : undefined
 
     const seenModels = new Set<string>()
     const modelErrors = form.models.map((m) => {
       const id = m.id.trim()
       const modelIdError = !id
-        ? "Required"
+        ? language.t("provider.custom.error.required")
         : seenModels.has(id)
-          ? "Duplicate"
+          ? language.t("provider.custom.error.duplicate")
           : (() => {
               seenModels.add(id)
               return undefined
             })()
-      const modelNameError = !m.name.trim() ? "Required" : undefined
+      const modelNameError = !m.name.trim() ? language.t("provider.custom.error.required") : undefined
       return { id: modelIdError, name: modelNameError }
     })
     const modelsValid = modelErrors.every((m) => !m.id && !m.name)
@@ -168,14 +168,14 @@ export function DialogCustomProvider(props: Props) {
 
       if (!key && !value) return {}
       const keyError = !key
-        ? "Required"
+        ? language.t("provider.custom.error.required")
         : seenHeaders.has(key.toLowerCase())
-          ? "Duplicate"
+          ? language.t("provider.custom.error.duplicate")
           : (() => {
               seenHeaders.add(key.toLowerCase())
               return undefined
             })()
-      const valueError = !value ? "Required" : undefined
+      const valueError = !value ? language.t("provider.custom.error.required") : undefined
       return { key: keyError, value: valueError }
     })
     const headersValid = headerErrors.every((h) => !h.key && !h.value)
@@ -278,64 +278,64 @@ export function DialogCustomProvider(props: Props) {
       <div class="flex flex-col gap-6 px-2.5 pb-3 overflow-y-auto max-h-[60vh]">
         <div class="px-2.5 flex gap-4 items-center">
           <ProviderIcon id="synthetic" class="size-5 shrink-0 icon-strong-base" />
-          <div class="text-16-medium text-text-strong">Custom provider</div>
+          <div class="text-16-medium text-text-strong">{language.t("provider.custom.title")}</div>
         </div>
 
         <form onSubmit={save} class="px-2.5 pb-6 flex flex-col gap-6">
           <p class="text-14-regular text-text-base">
-            Configure an OpenAI-compatible provider. See the{" "}
+            {language.t("provider.custom.description.prefix")}
             <Link href="https://opencode.ai/docs/providers/#custom-provider" tabIndex={-1}>
-              provider config docs
+              {language.t("provider.custom.description.link")}
             </Link>
-            .
+            {language.t("provider.custom.description.suffix")}
           </p>
 
           <div class="flex flex-col gap-4">
             <TextField
               autofocus
-              label="Provider ID"
-              placeholder="myprovider"
-              description="Lowercase letters, numbers, hyphens, or underscores"
+              label={language.t("provider.custom.field.providerID.label")}
+              placeholder={language.t("provider.custom.field.providerID.placeholder")}
+              description={language.t("provider.custom.field.providerID.description")}
               value={form.providerID}
               onChange={setForm.bind(null, "providerID")}
               validationState={errors.providerID ? "invalid" : undefined}
               error={errors.providerID}
             />
             <TextField
-              label="Display name"
-              placeholder="My AI Provider"
+              label={language.t("provider.custom.field.name.label")}
+              placeholder={language.t("provider.custom.field.name.placeholder")}
               value={form.name}
               onChange={setForm.bind(null, "name")}
               validationState={errors.name ? "invalid" : undefined}
               error={errors.name}
             />
             <TextField
-              label="Base URL"
-              placeholder="https://api.myprovider.com/v1"
+              label={language.t("provider.custom.field.baseURL.label")}
+              placeholder={language.t("provider.custom.field.baseURL.placeholder")}
               value={form.baseURL}
               onChange={setForm.bind(null, "baseURL")}
               validationState={errors.baseURL ? "invalid" : undefined}
               error={errors.baseURL}
             />
             <TextField
-              label="API key"
-              placeholder="API key"
-              description="Optional. Leave empty if you manage auth via headers."
+              label={language.t("provider.custom.field.apiKey.label")}
+              placeholder={language.t("provider.custom.field.apiKey.placeholder")}
+              description={language.t("provider.custom.field.apiKey.description")}
               value={form.apiKey}
               onChange={setForm.bind(null, "apiKey")}
             />
           </div>
 
           <div class="flex flex-col gap-3">
-            <label class="text-12-medium text-text-weak">Models</label>
+            <label class="text-12-medium text-text-weak">{language.t("provider.custom.models.label")}</label>
             <For each={form.models}>
               {(m, i) => (
                 <div class="flex gap-2 items-start">
                   <div class="flex-1">
                     <TextField
-                      label="ID"
+                      label={language.t("provider.custom.models.id.label")}
                       hideLabel
-                      placeholder="model-id"
+                      placeholder={language.t("provider.custom.models.id.placeholder")}
                       value={m.id}
                       onChange={(v) => setForm("models", i(), "id", v)}
                       validationState={errors.models[i()]?.id ? "invalid" : undefined}
@@ -344,9 +344,9 @@ export function DialogCustomProvider(props: Props) {
                   </div>
                   <div class="flex-1">
                     <TextField
-                      label="Name"
+                      label={language.t("provider.custom.models.name.label")}
                       hideLabel
-                      placeholder="Display Name"
+                      placeholder={language.t("provider.custom.models.name.placeholder")}
                       value={m.name}
                       onChange={(v) => setForm("models", i(), "name", v)}
                       validationState={errors.models[i()]?.name ? "invalid" : undefined}
@@ -360,26 +360,26 @@ export function DialogCustomProvider(props: Props) {
                     class="mt-1.5"
                     onClick={() => removeModel(i())}
                     disabled={form.models.length <= 1}
-                    aria-label="Remove model"
+                    aria-label={language.t("provider.custom.models.remove")}
                   />
                 </div>
               )}
             </For>
             <Button type="button" size="small" variant="ghost" icon="plus-small" onClick={addModel} class="self-start">
-              Add model
+              {language.t("provider.custom.models.add")}
             </Button>
           </div>
 
           <div class="flex flex-col gap-3">
-            <label class="text-12-medium text-text-weak">Headers (optional)</label>
+            <label class="text-12-medium text-text-weak">{language.t("provider.custom.headers.label")}</label>
             <For each={form.headers}>
               {(h, i) => (
                 <div class="flex gap-2 items-start">
                   <div class="flex-1">
                     <TextField
-                      label="Header"
+                      label={language.t("provider.custom.headers.key.label")}
                       hideLabel
-                      placeholder="Header-Name"
+                      placeholder={language.t("provider.custom.headers.key.placeholder")}
                       value={h.key}
                       onChange={(v) => setForm("headers", i(), "key", v)}
                       validationState={errors.headers[i()]?.key ? "invalid" : undefined}
@@ -388,9 +388,9 @@ export function DialogCustomProvider(props: Props) {
                   </div>
                   <div class="flex-1">
                     <TextField
-                      label="Value"
+                      label={language.t("provider.custom.headers.value.label")}
                       hideLabel
-                      placeholder="value"
+                      placeholder={language.t("provider.custom.headers.value.placeholder")}
                       value={h.value}
                       onChange={(v) => setForm("headers", i(), "value", v)}
                       validationState={errors.headers[i()]?.value ? "invalid" : undefined}
@@ -404,18 +404,18 @@ export function DialogCustomProvider(props: Props) {
                     class="mt-1.5"
                     onClick={() => removeHeader(i())}
                     disabled={form.headers.length <= 1}
-                    aria-label="Remove header"
+                    aria-label={language.t("provider.custom.headers.remove")}
                   />
                 </div>
               )}
             </For>
             <Button type="button" size="small" variant="ghost" icon="plus-small" onClick={addHeader} class="self-start">
-              Add header
+              {language.t("provider.custom.headers.add")}
             </Button>
           </div>
 
           <Button class="w-auto self-start" type="submit" size="large" variant="primary" disabled={form.saving}>
-            {form.saving ? "Saving..." : language.t("common.submit")}
+            {form.saving ? language.t("common.saving") : language.t("common.submit")}
           </Button>
         </form>
       </div>
diff --git a/packages/app/src/components/dialog-select-model.tsx b/packages/app/src/components/dialog-select-model.tsx
index 3d0d6c793..26021f06a 100644
--- a/packages/app/src/components/dialog-select-model.tsx
+++ b/packages/app/src/components/dialog-select-model.tsx
@@ -87,11 +87,13 @@ const ModelList: Component<{
   )
 }
 
-export function ModelSelectorPopover<T extends ValidComponent = "div">(props: {
+type ModelSelectorTriggerProps = Omit<ComponentProps<typeof Kobalte.Trigger>, "as" | "ref">
+
+export function ModelSelectorPopover(props: {
   provider?: string
   children?: JSX.Element
-  triggerAs?: T
-  triggerProps?: ComponentProps<T>
+  triggerAs?: ValidComponent
+  triggerProps?: ModelSelectorTriggerProps
 }) {
   const [store, setStore] = createStore<{
     open: boolean
@@ -176,11 +178,7 @@ export function ModelSelectorPopover<T extends ValidComponent = "div">(props: {
       placement="top-start"
       gutter={8}
     >
-      <Kobalte.Trigger
-        ref={(el) => setStore("trigger", el)}
-        as={props.triggerAs ?? "div"}
-        {...(props.triggerProps as any)}
-      >
+      <Kobalte.Trigger ref={(el) => setStore("trigger", el)} as={props.triggerAs ?? "div"} {...props.triggerProps}>
         {props.children}
       </Kobalte.Trigger>
       <Kobalte.Portal>
diff --git a/packages/app/src/components/dialog-select-server.tsx b/packages/app/src/components/dialog-select-server.tsx
index 3d8f5b846..65b679f70 100644
--- a/packages/app/src/components/dialog-select-server.tsx
+++ b/packages/app/src/components/dialog-select-server.tsx
@@ -1,4 +1,4 @@
-import { createResource, createEffect, createMemo, onCleanup, Show, createSignal } from "solid-js"
+import { createResource, createEffect, createMemo, onCleanup, Show } from "solid-js"
 import { createStore, reconcile } from "solid-js/store"
 import { useDialog } from "@opencode-ai/ui/context/dialog"
 import { Dialog } from "@opencode-ai/ui/dialog"
@@ -6,17 +6,15 @@ import { List } from "@opencode-ai/ui/list"
 import { Button } from "@opencode-ai/ui/button"
 import { IconButton } from "@opencode-ai/ui/icon-button"
 import { TextField } from "@opencode-ai/ui/text-field"
-import { normalizeServerUrl, serverDisplayName, useServer } from "@/context/server"
+import { normalizeServerUrl, useServer } from "@/context/server"
 import { usePlatform } from "@/context/platform"
-import { createOpencodeClient } from "@opencode-ai/sdk/v2/client"
 import { useNavigate } from "@solidjs/router"
 import { useLanguage } from "@/context/language"
 import { DropdownMenu } from "@opencode-ai/ui/dropdown-menu"
-import { Tooltip } from "@opencode-ai/ui/tooltip"
 import { useGlobalSDK } from "@/context/global-sdk"
 import { showToast } from "@opencode-ai/ui/toast"
-
-type ServerStatus = { healthy: boolean; version?: string }
+import { ServerRow } from "@/components/server/server-row"
+import { checkServerHealth, type ServerHealth } from "@/utils/server-health"
 
 interface AddRowProps {
   value: string
@@ -40,19 +38,6 @@ interface EditRowProps {
   onBlur: () => void
 }
 
-async function checkHealth(url: string, platform: ReturnType<typeof usePlatform>): Promise<ServerStatus> {
-  const signal = (AbortSignal as unknown as { timeout?: (ms: number) => AbortSignal }).timeout?.(3000)
-  const sdk = createOpencodeClient({
-    baseUrl: url,
-    fetch: platform.fetch,
-    signal,
-  })
-  return sdk.global
-    .health()
-    .then((x) => ({ healthy: x.data?.healthy === true, version: x.data?.version }))
-    .catch(() => ({ healthy: false }))
-}
-
 function AddRow(props: AddRowProps) {
   return (
     <div class="flex items-center px-4 min-h-14 py-3 min-w-0 flex-1">
@@ -131,7 +116,7 @@ export function DialogSelectServer() {
   const globalSDK = useGlobalSDK()
   const language = useLanguage()
   const [store, setStore] = createStore({
-    status: {} as Record<string, ServerStatus | undefined>,
+    status: {} as Record<string, ServerHealth | undefined>,
     addServer: {
       url: "",
       adding: false,
@@ -165,6 +150,7 @@ export function DialogSelectServer() {
     { initialValue: null },
   )
   const canDefault = createMemo(() => !!platform.getDefaultServerUrl && !!platform.setDefaultServerUrl)
+  const fetcher = platform.fetch ?? globalThis.fetch
 
   const looksComplete = (value: string) => {
     const normalized = normalizeServerUrl(value)
@@ -180,7 +166,7 @@ export function DialogSelectServer() {
     if (!looksComplete(value)) return
     const normalized = normalizeServerUrl(value)
     if (!normalized) return
-    const result = await checkHealth(normalized, platform)
+    const result = await checkServerHealth(normalized, fetcher)
     setStatus(result.healthy)
   }
 
@@ -227,7 +213,7 @@ export function DialogSelectServer() {
     if (!list.length) return list
     const active = current()
     const order = new Map(list.map((url, index) => [url, index] as const))
-    const rank = (value?: ServerStatus) => {
+    const rank = (value?: ServerHealth) => {
       if (value?.healthy === true) return 0
       if (value?.healthy === false) return 2
       return 1
@@ -242,10 +228,10 @@ export function DialogSelectServer() {
   })
 
   async function refreshHealth() {
-    const results: Record<string, ServerStatus> = {}
+    const results: Record<string, ServerHealth> = {}
     await Promise.all(
       items().map(async (url) => {
-        results[url] = await checkHealth(url, platform)
+        results[url] = await checkServerHealth(url, fetcher)
       }),
     )
     setStore("status", reconcile(results))
@@ -300,7 +286,7 @@ export function DialogSelectServer() {
 
     setStore("addServer", { adding: true, error: "" })
 
-    const result = await checkHealth(normalized, platform)
+    const result = await checkServerHealth(normalized, fetcher)
     setStore("addServer", { adding: false })
 
     if (!result.healthy) {
@@ -327,7 +313,7 @@ export function DialogSelectServer() {
 
     setStore("editServer", { busy: true, error: "" })
 
-    const result = await checkHealth(normalized, platform)
+    const result = await checkServerHealth(normalized, fetcher)
     setStore("editServer", { busy: false })
 
     if (!result.healthy) {
@@ -413,35 +399,6 @@ export function DialogSelectServer() {
           }
         >
           {(i) => {
-            const [truncated, setTruncated] = createSignal(false)
-            let nameRef: HTMLSpanElement | undefined
-            let versionRef: HTMLSpanElement | undefined
-
-            const check = () => {
-              const nameTruncated = nameRef ? nameRef.scrollWidth > nameRef.clientWidth : false
-              const versionTruncated = versionRef ? versionRef.scrollWidth > versionRef.clientWidth : false
-              setTruncated(nameTruncated || versionTruncated)
-            }
-
-            createEffect(() => {
-              check()
-              window.addEventListener("resize", check)
-              onCleanup(() => window.removeEventListener("resize", check))
-            })
-
-            const tooltipValue = () => {
-              const name = serverDisplayName(i)
-              const version = store.status[i]?.version
-              return (
-                <span class="flex items-center gap-2">
-                  <span>{name}</span>
-                  <Show when={version}>
-                    <span class="text-text-invert-base">{version}</span>
-                  </Show>
-                </span>
-              )
-            }
-
             return (
               <div class="flex items-center gap-3 min-w-0 flex-1 group/item">
                 <Show
@@ -459,34 +416,19 @@ export function DialogSelectServer() {
                     />
                   }
                 >
-                  <Tooltip value={tooltipValue()} placement="top" inactive={!truncated()}>
-                    <div
-                      class="flex items-center gap-3 px-4 min-w-0 flex-1"
-                      classList={{ "opacity-50": store.status[i]?.healthy === false }}
-                    >
-                      <div
-                        classList={{
-                          "size-1.5 rounded-full shrink-0": true,
-                          "bg-icon-success-base": store.status[i]?.healthy === true,
-                          "bg-icon-critical-base": store.status[i]?.healthy === false,
-                          "bg-border-weak-base": store.status[i] === undefined,
-                        }}
-                      />
-                      <span ref={nameRef} class="truncate">
-                        {serverDisplayName(i)}
-                      </span>
-                      <Show when={store.status[i]?.version}>
-                        <span ref={versionRef} class="text-text-weak text-14-regular truncate">
-                          {store.status[i]?.version}
-                        </span>
-                      </Show>
+                  <ServerRow
+                    url={i}
+                    status={store.status[i]}
+                    dimmed={store.status[i]?.healthy === false}
+                    class="flex items-center gap-3 px-4 min-w-0 flex-1"
+                    badge={
                       <Show when={defaultUrl() === i}>
                         <span class="text-text-weak bg-surface-base text-14-regular px-1.5 rounded-xs">
                           {language.t("dialog.server.status.default")}
                         </span>
                       </Show>
-                    </div>
-                  </Tooltip>
+                    }
+                  />
                 </Show>
                 <Show when={store.editServer.id !== i}>
                   <div class="flex items-center justify-center gap-5 pl-4">
diff --git a/packages/app/src/components/prompt-input.tsx b/packages/app/src/components/prompt-input.tsx
index 3f0ba314e..46d7f93eb 100644
--- a/packages/app/src/components/prompt-input.tsx
+++ b/packages/app/src/components/prompt-input.tsx
@@ -19,7 +19,6 @@ import { useSDK } from "@/context/sdk"
 import { useParams } from "@solidjs/router"
 import { useSync } from "@/context/sync"
 import { useComments } from "@/context/comments"
-import { FileIcon } from "@opencode-ai/ui/file-icon"
 import { Button } from "@opencode-ai/ui/button"
 import { Icon } from "@opencode-ai/ui/icon"
 import { ProviderIcon } from "@opencode-ai/ui/provider-icon"
@@ -27,9 +26,7 @@ import type { IconName } from "@opencode-ai/ui/icons/provider"
 import { Tooltip, TooltipKeybind } from "@opencode-ai/ui/tooltip"
 import { IconButton } from "@opencode-ai/ui/icon-button"
 import { Select } from "@opencode-ai/ui/select"
-import { getDirectory, getFilename, getFilenameTruncated } from "@opencode-ai/util/path"
 import { useDialog } from "@opencode-ai/ui/context/dialog"
-import { ImagePreview } from "@opencode-ai/ui/image-preview"
 import { ModelSelectorPopover } from "@/components/dialog-select-model"
 import { DialogSelectModelUnpaid } from "@/components/dialog-select-model-unpaid"
 import { useProviders } from "@/hooks/use-providers"
@@ -42,6 +39,12 @@ import { createTextFragment, getCursorPosition, setCursorPosition, setRangeEdge
 import { createPromptAttachments, ACCEPTED_FILE_TYPES } from "./prompt-input/attachments"
 import { navigatePromptHistory, prependHistoryEntry, promptLength } from "./prompt-input/history"
 import { createPromptSubmit } from "./prompt-input/submit"
+import { PromptPopover, type AtOption, type SlashCommand } from "./prompt-input/slash-popover"
+import { PromptContextItems } from "./prompt-input/context-items"
+import { PromptImageAttachments } from "./prompt-input/image-attachments"
+import { PromptDragOverlay } from "./prompt-input/drag-overlay"
+import { promptPlaceholder } from "./prompt-input/placeholder"
+import { ImagePreview } from "@opencode-ai/ui/image-preview"
 
 interface PromptInputProps {
   class?: string
@@ -79,16 +82,6 @@ const EXAMPLES = [
   "prompt.example.25",
 ] as const
 
-interface SlashCommand {
-  id: string
-  trigger: string
-  title: string
-  description?: string
-  keybind?: string
-  type: "builtin" | "custom"
-  source?: "command" | "mcp" | "skill"
-}
-
 export const PromptInput: Component<PromptInputProps> = (props) => {
   const sdk = useSDK()
   const sync = useSync()
@@ -203,8 +196,8 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
       },
   )
   const working = createMemo(() => status()?.type !== "idle")
-  const imageAttachments = createMemo(
-    () => prompt.current().filter((part) => part.type === "image") as ImageAttachmentPart[],
+  const imageAttachments = createMemo(() =>
+    prompt.current().filter((part): part is ImageAttachmentPart => part.type === "image"),
   )
 
   const [store, setStore] = createStore<{
@@ -224,6 +217,14 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
     mode: "normal",
     applyingHistory: false,
   })
+  const placeholder = createMemo(() =>
+    promptPlaceholder({
+      mode: store.mode,
+      commentCount: commentCount(),
+      example: language.t(EXAMPLES[store.placeholder]),
+      t: (key, params) => language.t(key as Parameters<typeof language.t>[0], params as never),
+    }),
+  )
 
   const MAX_HISTORY = 100
   const [history, setHistory] = persisted(
@@ -296,10 +297,6 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
     if (!isFocused()) setComposing(false)
   })
 
-  type AtOption =
-    | { type: "agent"; name: string; display: string }
-    | { type: "file"; path: string; display: string; recent?: boolean }
-
   const agentList = createMemo(() =>
     sync.data.agent
       .filter((agent) => !agent.hidden && agent.mode !== "primary")
@@ -509,7 +506,7 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
     on(
       () => prompt.current(),
       (currentParts) => {
-        const inputParts = currentParts.filter((part) => part.type !== "image") as Prompt
+        const inputParts = currentParts.filter((part) => part.type !== "image")
 
         if (mirror.input) {
           mirror.input = false
@@ -928,110 +925,21 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
 
   return (
     <div class="relative size-full _max-h-[320px] flex flex-col gap-3">
-      <Show when={store.popover}>
-        <div
-          ref={(el) => {
-            if (store.popover === "slash") slashPopoverRef = el
-          }}
-          class="absolute inset-x-0 -top-3 -translate-y-full origin-bottom-left max-h-80 min-h-10
-                 overflow-auto no-scrollbar flex flex-col p-2 rounded-md
-                 border border-border-base bg-surface-raised-stronger-non-alpha shadow-md"
-          onMouseDown={(e) => e.preventDefault()}
-        >
-          <Switch>
-            <Match when={store.popover === "at"}>
-              <Show
-                when={atFlat().length > 0}
-                fallback={<div class="text-text-weak px-2 py-1">{language.t("prompt.popover.emptyResults")}</div>}
-              >
-                <For each={atFlat().slice(0, 10)}>
-                  {(item) => (
-                    <button
-                      classList={{
-                        "w-full flex items-center gap-x-2 rounded-md px-2 py-0.5": true,
-                        "bg-surface-raised-base-hover": atActive() === atKey(item),
-                      }}
-                      onClick={() => handleAtSelect(item)}
-                      onMouseEnter={() => setAtActive(atKey(item))}
-                    >
-                      <Show
-                        when={item.type === "agent"}
-                        fallback={
-                          <>
-                            <FileIcon
-                              node={{ path: (item as { type: "file"; path: string }).path, type: "file" }}
-                              class="shrink-0 size-4"
-                            />
-                            <div class="flex items-center text-14-regular min-w-0">
-                              <span class="text-text-weak whitespace-nowrap truncate min-w-0">
-                                {(() => {
-                                  const path = (item as { type: "file"; path: string }).path
-                                  return path.endsWith("/") ? path : getDirectory(path)
-                                })()}
-                              </span>
-                              <Show when={!(item as { type: "file"; path: string }).path.endsWith("/")}>
-                                <span class="text-text-strong whitespace-nowrap">
-                                  {getFilename((item as { type: "file"; path: string }).path)}
-                                </span>
-                              </Show>
-                            </div>
-                          </>
-                        }
-                      >
-                        <Icon name="brain" size="small" class="text-icon-info-active shrink-0" />
-                        <span class="text-14-regular text-text-strong whitespace-nowrap">
-                          @{(item as { type: "agent"; name: string }).name}
-                        </span>
-                      </Show>
-                    </button>
-                  )}
-                </For>
-              </Show>
-            </Match>
-            <Match when={store.popover === "slash"}>
-              <Show
-                when={slashFlat().length > 0}
-                fallback={<div class="text-text-weak px-2 py-1">{language.t("prompt.popover.emptyCommands")}</div>}
-              >
-                <For each={slashFlat()}>
-                  {(cmd) => (
-                    <button
-                      data-slash-id={cmd.id}
-                      classList={{
-                        "w-full flex items-center justify-between gap-4 rounded-md px-2 py-1": true,
-                        "bg-surface-raised-base-hover": slashActive() === cmd.id,
-                      }}
-                      onClick={() => handleSlashSelect(cmd)}
-                      onMouseEnter={() => setSlashActive(cmd.id)}
-                    >
-                      <div class="flex items-center gap-2 min-w-0">
-                        <span class="text-14-regular text-text-strong whitespace-nowrap">/{cmd.trigger}</span>
-                        <Show when={cmd.description}>
-                          <span class="text-14-regular text-text-weak truncate">{cmd.description}</span>
-                        </Show>
-                      </div>
-                      <div class="flex items-center gap-2 shrink-0">
-                        <Show when={cmd.type === "custom" && cmd.source !== "command"}>
-                          <span class="text-11-regular text-text-subtle px-1.5 py-0.5 bg-surface-base rounded">
-                            {cmd.source === "skill"
-                              ? language.t("prompt.slash.badge.skill")
-                              : cmd.source === "mcp"
-                                ? language.t("prompt.slash.badge.mcp")
-                                : language.t("prompt.slash.badge.custom")}
-                          </span>
-                        </Show>
-                        <Show when={command.keybind(cmd.id)}>
-                          <span class="text-12-regular text-text-subtle">{command.keybind(cmd.id)}</span>
-                        </Show>
-                      </div>
-                    </button>
-                  )}
-                </For>
-              </Show>
-            </Match>
-          </Switch>
-        </div>
-      </Show>
+      <PromptPopover
+        popover={store.popover}
+        setSlashPopoverRef={(el) => (slashPopoverRef = el)}
+        atFlat={atFlat()}
+        atActive={atActive() ?? undefined}
+        atKey={atKey}
+        setAtActive={setAtActive}
+        onAtSelect={handleAtSelect}
+        slashFlat={slashFlat()}
+        slashActive={slashActive() ?? undefined}
+        setSlashActive={setSlashActive}
+        onSlashSelect={handleSlashSelect}
+        commandKeybind={command.keybind}
+        t={(key) => language.t(key as Parameters<typeof language.t>[0])}
+      />
       <form
         onSubmit={handleSubmit}
         classList={{
@@ -1042,124 +950,28 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
           [props.class ?? ""]: !!props.class,
         }}
       >
-        <Show when={store.dragging}>
-          <div class="absolute inset-0 z-10 flex items-center justify-center bg-surface-raised-stronger-non-alpha/90 pointer-events-none">
-            <div class="flex flex-col items-center gap-2 text-text-weak">
-              <Icon name="photo" class="size-8" />
-              <span class="text-14-regular">{language.t("prompt.dropzone.label")}</span>
-            </div>
-          </div>
-        </Show>
-        <Show when={prompt.context.items().length > 0}>
-          <div class="flex flex-nowrap items-start gap-2 p-2 overflow-x-auto no-scrollbar">
-            <For each={prompt.context.items()}>
-              {(item) => {
-                const active = () => {
-                  const a = comments.active()
-                  return !!item.commentID && item.commentID === a?.id && item.path === a?.file
-                }
-                return (
-                  <Tooltip
-                    value={
-                      <span class="flex max-w-[300px]">
-                        <span class="text-text-invert-base truncate-start [unicode-bidi:plaintext] min-w-0">
-                          {getDirectory(item.path)}
-                        </span>
-                        <span class="shrink-0">{getFilename(item.path)}</span>
-                      </span>
-                    }
-                    placement="top"
-                    openDelay={2000}
-                  >
-                    <div
-                      classList={{
-                        "group shrink-0 flex flex-col rounded-[6px] pl-2 pr-1 py-1 max-w-[200px] h-12 transition-all transition-transform shadow-xs-border hover:shadow-xs-border-hover": true,
-                        "cursor-pointer hover:bg-surface-interactive-weak": !!item.commentID && !active(),
-                        "cursor-pointer bg-surface-interactive-hover hover:bg-surface-interactive-hover shadow-xs-border-hover":
-                          active(),
-                        "bg-background-stronger": !active(),
-                      }}
-                      onClick={() => {
-                        openComment(item)
-                      }}
-                    >
-                      <div class="flex items-center gap-1.5">
-                        <FileIcon node={{ path: item.path, type: "file" }} class="shrink-0 size-3.5" />
-                        <div class="flex items-center text-11-regular min-w-0 font-medium">
-                          <span class="text-text-strong whitespace-nowrap">{getFilenameTruncated(item.path, 14)}</span>
-                          <Show when={item.selection}>
-                            {(sel) => (
-                              <span class="text-text-weak whitespace-nowrap shrink-0">
-                                {sel().startLine === sel().endLine
-                                  ? `:${sel().startLine}`
-                                  : `:${sel().startLine}-${sel().endLine}`}
-                              </span>
-                            )}
-                          </Show>
-                        </div>
-                        <IconButton
-                          type="button"
-                          icon="close-small"
-                          variant="ghost"
-                          class="ml-auto size-3.5 text-text-weak hover:text-text-strong transition-all"
-                          onClick={(e) => {
-                            e.stopPropagation()
-                            if (item.commentID) comments.remove(item.path, item.commentID)
-                            prompt.context.remove(item.key)
-                          }}
-                          aria-label={language.t("prompt.context.removeFile")}
-                        />
-                      </div>
-                      <Show when={item.comment}>
-                        {(comment) => (
-                          <div class="text-12-regular text-text-strong ml-5 pr-1 truncate">{comment()}</div>
-                        )}
-                      </Show>
-                    </div>
-                  </Tooltip>
-                )
-              }}
-            </For>
-          </div>
-        </Show>
-        <Show when={imageAttachments().length > 0}>
-          <div class="flex flex-wrap gap-2 px-3 pt-3">
-            <For each={imageAttachments()}>
-              {(attachment) => (
-                <div class="relative group">
-                  <Show
-                    when={attachment.mime.startsWith("image/")}
-                    fallback={
-                      <div class="size-16 rounded-md bg-surface-base flex items-center justify-center border border-border-base">
-                        <Icon name="folder" class="size-6 text-text-weak" />
-                      </div>
-                    }
-                  >
-                    <img
-                      src={attachment.dataUrl}
-                      alt={attachment.filename}
-                      class="size-16 rounded-md object-cover border border-border-base hover:border-border-strong-base transition-colors"
-                      onClick={() =>
-                        dialog.show(() => <ImagePreview src={attachment.dataUrl} alt={attachment.filename} />)
-                      }
-                    />
-                  </Show>
-                  <button
-                    type="button"
-                    onClick={() => removeImageAttachment(attachment.id)}
-                    class="absolute -top-1.5 -right-1.5 size-5 rounded-full bg-surface-raised-stronger-non-alpha border border-border-base flex items-center justify-center opacity-0 group-hover:opacity-100 transition-opacity hover:bg-surface-raised-base-hover"
-                    aria-label={language.t("prompt.attachment.remove")}
-                  >
-                    <Icon name="close" class="size-3 text-text-weak" />
-                  </button>
-                  <div class="absolute bottom-0 left-0 right-0 px-1 py-0.5 bg-black/50 rounded-b-md">
-                    <span class="text-10-regular text-white truncate block">{attachment.filename}</span>
-                  </div>
-                </div>
-              )}
-            </For>
-          </div>
-        </Show>
+        <PromptDragOverlay dragging={store.dragging} label={language.t("prompt.dropzone.label")} />
+        <PromptContextItems
+          items={prompt.context.items()}
+          active={(item) => {
+            const active = comments.active()
+            return !!item.commentID && item.commentID === active?.id && item.path === active?.file
+          }}
+          openComment={openComment}
+          remove={(item) => {
+            if (item.commentID) comments.remove(item.path, item.commentID)
+            prompt.context.remove(item.key)
+          }}
+          t={(key) => language.t(key as Parameters<typeof language.t>[0])}
+        />
+        <PromptImageAttachments
+          attachments={imageAttachments()}
+          onOpen={(attachment) =>
+            dialog.show(() => <ImagePreview src={attachment.dataUrl} alt={attachment.filename} />)
+          }
+          onRemove={removeImageAttachment}
+          removeLabel={language.t("prompt.attachment.remove")}
+        />
         <div class="relative max-h-[240px] overflow-y-auto" ref={(el) => (scrollRef = el)}>
           <div
             data-component="prompt-input"
@@ -1169,15 +981,7 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
             }}
             role="textbox"
             aria-multiline="true"
-            aria-label={
-              store.mode === "shell"
-                ? language.t("prompt.placeholder.shell")
-                : commentCount() > 1
-                  ? language.t("prompt.placeholder.summarizeComments")
-                  : commentCount() === 1
-                    ? language.t("prompt.placeholder.summarizeComment")
-                    : language.t("prompt.placeholder.normal", { example: language.t(EXAMPLES[store.placeholder]) })
-            }
+            aria-label={placeholder()}
             contenteditable="true"
             onInput={handleInput}
             onPaste={handlePaste}
@@ -1194,13 +998,7 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
           />
           <Show when={!prompt.dirty()}>
             <div class="absolute top-0 inset-x-0 p-3 pr-12 text-14-regular text-text-weak pointer-events-none whitespace-nowrap truncate">
-              {store.mode === "shell"
-                ? language.t("prompt.placeholder.shell")
-                : commentCount() > 1
-                  ? language.t("prompt.placeholder.summarizeComments")
-                  : commentCount() === 1
-                    ? language.t("prompt.placeholder.summarizeComment")
-                    : language.t("prompt.placeholder.normal", { example: language.t(EXAMPLES[store.placeholder]) })}
+              {placeholder()}
             </div>
           </Show>
         </div>
diff --git a/packages/app/src/components/prompt-input/build-request-parts.test.ts b/packages/app/src/components/prompt-input/build-request-parts.test.ts
new file mode 100644
index 000000000..b284c3884
--- /dev/null
+++ b/packages/app/src/components/prompt-input/build-request-parts.test.ts
@@ -0,0 +1,67 @@
+import { describe, expect, test } from "bun:test"
+import type { Prompt } from "@/context/prompt"
+import { buildRequestParts } from "./build-request-parts"
+
+describe("buildRequestParts", () => {
+  test("builds typed request and optimistic parts without cast path", () => {
+    const prompt: Prompt = [
+      { type: "text", content: "hello", start: 0, end: 5 },
+      {
+        type: "file",
+        path: "src/foo.ts",
+        content: "@src/foo.ts",
+        start: 5,
+        end: 16,
+        selection: { startLine: 4, startChar: 1, endLine: 6, endChar: 1 },
+      },
+      { type: "agent", name: "planner", content: "@planner", start: 16, end: 24 },
+    ]
+
+    const result = buildRequestParts({
+      prompt,
+      context: [{ key: "ctx:1", type: "file", path: "src/bar.ts", comment: "check this" }],
+      images: [
+        { type: "image", id: "img_1", filename: "a.png", mime: "image/png", dataUrl: "data:image/png;base64,AAA" },
+      ],
+      text: "hello @src/foo.ts @planner",
+      messageID: "msg_1",
+      sessionID: "ses_1",
+      sessionDirectory: "/repo",
+    })
+
+    expect(result.requestParts[0]?.type).toBe("text")
+    expect(result.requestParts.some((part) => part.type === "agent")).toBe(true)
+    expect(
+      result.requestParts.some((part) => part.type === "file" && part.url.startsWith("file:///repo/src/foo.ts")),
+    ).toBe(true)
+    expect(result.requestParts.some((part) => part.type === "text" && part.synthetic)).toBe(true)
+
+    expect(result.optimisticParts).toHaveLength(result.requestParts.length)
+    expect(result.optimisticParts.every((part) => part.sessionID === "ses_1" && part.messageID === "msg_1")).toBe(true)
+  })
+
+  test("deduplicates context files when prompt already includes same path", () => {
+    const prompt: Prompt = [{ type: "file", path: "src/foo.ts", content: "@src/foo.ts", start: 0, end: 11 }]
+
+    const result = buildRequestParts({
+      prompt,
+      context: [
+        { key: "ctx:dup", type: "file", path: "src/foo.ts" },
+        { key: "ctx:comment", type: "file", path: "src/foo.ts", comment: "focus here" },
+      ],
+      images: [],
+      text: "@src/foo.ts",
+      messageID: "msg_2",
+      sessionID: "ses_2",
+      sessionDirectory: "/repo",
+    })
+
+    const fooFiles = result.requestParts.filter(
+      (part) => part.type === "file" && part.url.startsWith("file:///repo/src/foo.ts"),
+    )
+    const synthetic = result.requestParts.filter((part) => part.type === "text" && part.synthetic)
+
+    expect(fooFiles).toHaveLength(2)
+    expect(synthetic).toHaveLength(1)
+  })
+})
diff --git a/packages/app/src/components/prompt-input/build-request-parts.ts b/packages/app/src/components/prompt-input/build-request-parts.ts
new file mode 100644
index 000000000..4cf2f29ac
--- /dev/null
+++ b/packages/app/src/components/prompt-input/build-request-parts.ts
@@ -0,0 +1,174 @@
+import { getFilename } from "@opencode-ai/util/path"
+import { type AgentPartInput, type FilePartInput, type Part, type TextPartInput } from "@opencode-ai/sdk/v2/client"
+import type { FileSelection } from "@/context/file"
+import type { AgentPart, FileAttachmentPart, ImageAttachmentPart, Prompt } from "@/context/prompt"
+import { Identifier } from "@/utils/id"
+
+type PromptRequestPart = (TextPartInput | FilePartInput | AgentPartInput) & { id: string }
+
+type ContextFile = {
+  key: string
+  type: "file"
+  path: string
+  selection?: FileSelection
+  comment?: string
+  commentID?: string
+  commentOrigin?: "review" | "file"
+  preview?: string
+}
+
+type BuildRequestPartsInput = {
+  prompt: Prompt
+  context: ContextFile[]
+  images: ImageAttachmentPart[]
+  text: string
+  messageID: string
+  sessionID: string
+  sessionDirectory: string
+}
+
+const absolute = (directory: string, path: string) =>
+  path.startsWith("/") ? path : (directory + "/" + path).replace("//", "/")
+
+const fileQuery = (selection: FileSelection | undefined) =>
+  selection ? `?start=${selection.startLine}&end=${selection.endLine}` : ""
+
+const isFileAttachment = (part: Prompt[number]): part is FileAttachmentPart => part.type === "file"
+const isAgentAttachment = (part: Prompt[number]): part is AgentPart => part.type === "agent"
+
+const commentNote = (path: string, selection: FileSelection | undefined, comment: string) => {
+  const start = selection ? Math.min(selection.startLine, selection.endLine) : undefined
+  const end = selection ? Math.max(selection.startLine, selection.endLine) : undefined
+  const range =
+    start === undefined || end === undefined
+      ? "this file"
+      : start === end
+        ? `line ${start}`
+        : `lines ${start} through ${end}`
+  return `The user made the following comment regarding ${range} of ${path}: ${comment}`
+}
+
+const toOptimisticPart = (part: PromptRequestPart, sessionID: string, messageID: string): Part => {
+  if (part.type === "text") {
+    return {
+      id: part.id,
+      type: "text",
+      text: part.text,
+      synthetic: part.synthetic,
+      ignored: part.ignored,
+      time: part.time,
+      metadata: part.metadata,
+      sessionID,
+      messageID,
+    }
+  }
+  if (part.type === "file") {
+    return {
+      id: part.id,
+      type: "file",
+      mime: part.mime,
+      filename: part.filename,
+      url: part.url,
+      source: part.source,
+      sessionID,
+      messageID,
+    }
+  }
+  return {
+    id: part.id,
+    type: "agent",
+    name: part.name,
+    source: part.source,
+    sessionID,
+    messageID,
+  }
+}
+
+export function buildRequestParts(input: BuildRequestPartsInput) {
+  const requestParts: PromptRequestPart[] = [
+    {
+      id: Identifier.ascending("part"),
+      type: "text",
+      text: input.text,
+    },
+  ]
+
+  const files = input.prompt.filter(isFileAttachment).map((attachment) => {
+    const path = absolute(input.sessionDirectory, attachment.path)
+    return {
+      id: Identifier.ascending("part"),
+      type: "file",
+      mime: "text/plain",
+      url: `file://${path}${fileQuery(attachment.selection)}`,
+      filename: getFilename(attachment.path),
+      source: {
+        type: "file",
+        text: {
+          value: attachment.content,
+          start: attachment.start,
+          end: attachment.end,
+        },
+        path,
+      },
+    } satisfies PromptRequestPart
+  })
+
+  const agents = input.prompt.filter(isAgentAttachment).map((attachment) => {
+    return {
+      id: Identifier.ascending("part"),
+      type: "agent",
+      name: attachment.name,
+      source: {
+        value: attachment.content,
+        start: attachment.start,
+        end: attachment.end,
+      },
+    } satisfies PromptRequestPart
+  })
+
+  const used = new Set(files.map((part) => part.url))
+  const context = input.context.flatMap((item) => {
+    const path = absolute(input.sessionDirectory, item.path)
+    const url = `file://${path}${fileQuery(item.selection)}`
+    const comment = item.comment?.trim()
+    if (!comment && used.has(url)) return []
+    used.add(url)
+
+    const filePart = {
+      id: Identifier.ascending("part"),
+      type: "file",
+      mime: "text/plain",
+      url,
+      filename: getFilename(item.path),
+    } satisfies PromptRequestPart
+
+    if (!comment) return [filePart]
+
+    return [
+      {
+        id: Identifier.ascending("part"),
+        type: "text",
+        text: commentNote(item.path, item.selection, comment),
+        synthetic: true,
+      } satisfies PromptRequestPart,
+      filePart,
+    ]
+  })
+
+  const images = input.images.map((attachment) => {
+    return {
+      id: Identifier.ascending("part"),
+      type: "file",
+      mime: attachment.mime,
+      url: attachment.dataUrl,
+      filename: attachment.filename,
+    } satisfies PromptRequestPart
+  })
+
+  requestParts.push(...files, ...context, ...agents, ...images)
+
+  return {
+    requestParts,
+    optimisticParts: requestParts.map((part) => toOptimisticPart(part, input.sessionID, input.messageID)),
+  }
+}
diff --git a/packages/app/src/components/prompt-input/context-items.tsx b/packages/app/src/components/prompt-input/context-items.tsx
new file mode 100644
index 000000000..a843e109d
--- /dev/null
+++ b/packages/app/src/components/prompt-input/context-items.tsx
@@ -0,0 +1,82 @@
+import { Component, For, Show } from "solid-js"
+import { FileIcon } from "@opencode-ai/ui/file-icon"
+import { IconButton } from "@opencode-ai/ui/icon-button"
+import { Tooltip } from "@opencode-ai/ui/tooltip"
+import { getDirectory, getFilename, getFilenameTruncated } from "@opencode-ai/util/path"
+import type { ContextItem } from "@/context/prompt"
+
+type PromptContextItem = ContextItem & { key: string }
+
+type ContextItemsProps = {
+  items: PromptContextItem[]
+  active: (item: PromptContextItem) => boolean
+  openComment: (item: PromptContextItem) => void
+  remove: (item: PromptContextItem) => void
+  t: (key: string) => string
+}
+
+export const PromptContextItems: Component<ContextItemsProps> = (props) => {
+  return (
+    <Show when={props.items.length > 0}>
+      <div class="flex flex-nowrap items-start gap-2 p-2 overflow-x-auto no-scrollbar">
+        <For each={props.items}>
+          {(item) => (
+            <Tooltip
+              value={
+                <span class="flex max-w-[300px]">
+                  <span class="text-text-invert-base truncate-start [unicode-bidi:plaintext] min-w-0">
+                    {getDirectory(item.path)}
+                  </span>
+                  <span class="shrink-0">{getFilename(item.path)}</span>
+                </span>
+              }
+              placement="top"
+              openDelay={2000}
+            >
+              <div
+                classList={{
+                  "group shrink-0 flex flex-col rounded-[6px] pl-2 pr-1 py-1 max-w-[200px] h-12 transition-all transition-transform shadow-xs-border hover:shadow-xs-border-hover": true,
+                  "cursor-pointer hover:bg-surface-interactive-weak": !!item.commentID && !props.active(item),
+                  "cursor-pointer bg-surface-interactive-hover hover:bg-surface-interactive-hover shadow-xs-border-hover":
+                    props.active(item),
+                  "bg-background-stronger": !props.active(item),
+                }}
+                onClick={() => props.openComment(item)}
+              >
+                <div class="flex items-center gap-1.5">
+                  <FileIcon node={{ path: item.path, type: "file" }} class="shrink-0 size-3.5" />
+                  <div class="flex items-center text-11-regular min-w-0 font-medium">
+                    <span class="text-text-strong whitespace-nowrap">{getFilenameTruncated(item.path, 14)}</span>
+                    <Show when={item.selection}>
+                      {(sel) => (
+                        <span class="text-text-weak whitespace-nowrap shrink-0">
+                          {sel().startLine === sel().endLine
+                            ? `:${sel().startLine}`
+                            : `:${sel().startLine}-${sel().endLine}`}
+                        </span>
+                      )}
+                    </Show>
+                  </div>
+                  <IconButton
+                    type="button"
+                    icon="close-small"
+                    variant="ghost"
+                    class="ml-auto size-3.5 text-text-weak hover:text-text-strong transition-all"
+                    onClick={(e) => {
+                      e.stopPropagation()
+                      props.remove(item)
+                    }}
+                    aria-label={props.t("prompt.context.removeFile")}
+                  />
+                </div>
+                <Show when={item.comment}>
+                  {(comment) => <div class="text-12-regular text-text-strong ml-5 pr-1 truncate">{comment()}</div>}
+                </Show>
+              </div>
+            </Tooltip>
+          )}
+        </For>
+      </div>
+    </Show>
+  )
+}
diff --git a/packages/app/src/components/prompt-input/drag-overlay.tsx b/packages/app/src/components/prompt-input/drag-overlay.tsx
new file mode 100644
index 000000000..f5a4d399e
--- /dev/null
+++ b/packages/app/src/components/prompt-input/drag-overlay.tsx
@@ -0,0 +1,20 @@
+import { Component, Show } from "solid-js"
+import { Icon } from "@opencode-ai/ui/icon"
+
+type PromptDragOverlayProps = {
+  dragging: boolean
+  label: string
+}
+
+export const PromptDragOverlay: Component<PromptDragOverlayProps> = (props) => {
+  return (
+    <Show when={props.dragging}>
+      <div class="absolute inset-0 z-10 flex items-center justify-center bg-surface-raised-stronger-non-alpha/90 pointer-events-none">
+        <div class="flex flex-col items-center gap-2 text-text-weak">
+          <Icon name="photo" class="size-8" />
+          <span class="text-14-regular">{props.label}</span>
+        </div>
+      </div>
+    </Show>
+  )
+}
diff --git a/packages/app/src/components/prompt-input/image-attachments.tsx b/packages/app/src/components/prompt-input/image-attachments.tsx
new file mode 100644
index 000000000..ba3addf0a
--- /dev/null
+++ b/packages/app/src/components/prompt-input/image-attachments.tsx
@@ -0,0 +1,51 @@
+import { Component, For, Show } from "solid-js"
+import { Icon } from "@opencode-ai/ui/icon"
+import type { ImageAttachmentPart } from "@/context/prompt"
+
+type PromptImageAttachmentsProps = {
+  attachments: ImageAttachmentPart[]
+  onOpen: (attachment: ImageAttachmentPart) => void
+  onRemove: (id: string) => void
+  removeLabel: string
+}
+
+export const PromptImageAttachments: Component<PromptImageAttachmentsProps> = (props) => {
+  return (
+    <Show when={props.attachments.length > 0}>
+      <div class="flex flex-wrap gap-2 px-3 pt-3">
+        <For each={props.attachments}>
+          {(attachment) => (
+            <div class="relative group">
+              <Show
+                when={attachment.mime.startsWith("image/")}
+                fallback={
+                  <div class="size-16 rounded-md bg-surface-base flex items-center justify-center border border-border-base">
+                    <Icon name="folder" class="size-6 text-text-weak" />
+                  </div>
+                }
+              >
+                <img
+                  src={attachment.dataUrl}
+                  alt={attachment.filename}
+                  class="size-16 rounded-md object-cover border border-border-base hover:border-border-strong-base transition-colors"
+                  onClick={() => props.onOpen(attachment)}
+                />
+              </Show>
+              <button
+                type="button"
+                onClick={() => props.onRemove(attachment.id)}
+                class="absolute -top-1.5 -right-1.5 size-5 rounded-full bg-surface-raised-stronger-non-alpha border border-border-base flex items-center justify-center opacity-0 group-hover:opacity-100 transition-opacity hover:bg-surface-raised-base-hover"
+                aria-label={props.removeLabel}
+              >
+                <Icon name="close" class="size-3 text-text-weak" />
+              </button>
+              <div class="absolute bottom-0 left-0 right-0 px-1 py-0.5 bg-black/50 rounded-b-md">
+                <span class="text-10-regular text-white truncate block">{attachment.filename}</span>
+              </div>
+            </div>
+          )}
+        </For>
+      </div>
+    </Show>
+  )
+}
diff --git a/packages/app/src/components/prompt-input/placeholder.test.ts b/packages/app/src/components/prompt-input/placeholder.test.ts
new file mode 100644
index 000000000..b633df829
--- /dev/null
+++ b/packages/app/src/components/prompt-input/placeholder.test.ts
@@ -0,0 +1,35 @@
+import { describe, expect, test } from "bun:test"
+import { promptPlaceholder } from "./placeholder"
+
+describe("promptPlaceholder", () => {
+  const t = (key: string, params?: Record<string, string>) => `${key}${params?.example ? `:${params.example}` : ""}`
+
+  test("returns shell placeholder in shell mode", () => {
+    const value = promptPlaceholder({
+      mode: "shell",
+      commentCount: 0,
+      example: "example",
+      t,
+    })
+    expect(value).toBe("prompt.placeholder.shell")
+  })
+
+  test("returns summarize placeholders for comment context", () => {
+    expect(promptPlaceholder({ mode: "normal", commentCount: 1, example: "example", t })).toBe(
+      "prompt.placeholder.summarizeComment",
+    )
+    expect(promptPlaceholder({ mode: "normal", commentCount: 2, example: "example", t })).toBe(
+      "prompt.placeholder.summarizeComments",
+    )
+  })
+
+  test("returns default placeholder with example", () => {
+    const value = promptPlaceholder({
+      mode: "normal",
+      commentCount: 0,
+      example: "translated-example",
+      t,
+    })
+    expect(value).toBe("prompt.placeholder.normal:translated-example")
+  })
+})
diff --git a/packages/app/src/components/prompt-input/placeholder.ts b/packages/app/src/components/prompt-input/placeholder.ts
new file mode 100644
index 000000000..07f6a43b5
--- /dev/null
+++ b/packages/app/src/components/prompt-input/placeholder.ts
@@ -0,0 +1,13 @@
+type PromptPlaceholderInput = {
+  mode: "normal" | "shell"
+  commentCount: number
+  example: string
+  t: (key: string, params?: Record<string, string>) => string
+}
+
+export function promptPlaceholder(input: PromptPlaceholderInput) {
+  if (input.mode === "shell") return input.t("prompt.placeholder.shell")
+  if (input.commentCount > 1) return input.t("prompt.placeholder.summarizeComments")
+  if (input.commentCount === 1) return input.t("prompt.placeholder.summarizeComment")
+  return input.t("prompt.placeholder.normal", { example: input.example })
+}
diff --git a/packages/app/src/components/prompt-input/slash-popover.tsx b/packages/app/src/components/prompt-input/slash-popover.tsx
new file mode 100644
index 000000000..b97bb6752
--- /dev/null
+++ b/packages/app/src/components/prompt-input/slash-popover.tsx
@@ -0,0 +1,144 @@
+import { Component, For, Match, Show, Switch } from "solid-js"
+import { FileIcon } from "@opencode-ai/ui/file-icon"
+import { Icon } from "@opencode-ai/ui/icon"
+import { getDirectory, getFilename } from "@opencode-ai/util/path"
+
+export type AtOption =
+  | { type: "agent"; name: string; display: string }
+  | { type: "file"; path: string; display: string; recent?: boolean }
+
+export interface SlashCommand {
+  id: string
+  trigger: string
+  title: string
+  description?: string
+  keybind?: string
+  type: "builtin" | "custom"
+  source?: "command" | "mcp" | "skill"
+}
+
+type PromptPopoverProps = {
+  popover: "at" | "slash" | null
+  setSlashPopoverRef: (el: HTMLDivElement) => void
+  atFlat: AtOption[]
+  atActive?: string
+  atKey: (item: AtOption) => string
+  setAtActive: (id: string) => void
+  onAtSelect: (item: AtOption) => void
+  slashFlat: SlashCommand[]
+  slashActive?: string
+  setSlashActive: (id: string) => void
+  onSlashSelect: (item: SlashCommand) => void
+  commandKeybind: (id: string) => string | undefined
+  t: (key: string) => string
+}
+
+export const PromptPopover: Component<PromptPopoverProps> = (props) => {
+  return (
+    <Show when={props.popover}>
+      <div
+        ref={(el) => {
+          if (props.popover === "slash") props.setSlashPopoverRef(el)
+        }}
+        class="absolute inset-x-0 -top-3 -translate-y-full origin-bottom-left max-h-80 min-h-10
+                 overflow-auto no-scrollbar flex flex-col p-2 rounded-md
+                 border border-border-base bg-surface-raised-stronger-non-alpha shadow-md"
+        onMouseDown={(e) => e.preventDefault()}
+      >
+        <Switch>
+          <Match when={props.popover === "at"}>
+            <Show
+              when={props.atFlat.length > 0}
+              fallback={<div class="text-text-weak px-2 py-1">{props.t("prompt.popover.emptyResults")}</div>}
+            >
+              <For each={props.atFlat.slice(0, 10)}>
+                {(item) => (
+                  <button
+                    classList={{
+                      "w-full flex items-center gap-x-2 rounded-md px-2 py-0.5": true,
+                      "bg-surface-raised-base-hover": props.atActive === props.atKey(item),
+                    }}
+                    onClick={() => props.onAtSelect(item)}
+                    onMouseEnter={() => props.setAtActive(props.atKey(item))}
+                  >
+                    <Show
+                      when={item.type === "agent"}
+                      fallback={
+                        <>
+                          <FileIcon
+                            node={{ path: item.type === "file" ? item.path : "", type: "file" }}
+                            class="shrink-0 size-4"
+                          />
+                          <div class="flex items-center text-14-regular min-w-0">
+                            <span class="text-text-weak whitespace-nowrap truncate min-w-0">
+                              {item.type === "file"
+                                ? item.path.endsWith("/")
+                                  ? item.path
+                                  : getDirectory(item.path)
+                                : ""}
+                            </span>
+                            <Show when={item.type === "file" && !item.path.endsWith("/")}>
+                              <span class="text-text-strong whitespace-nowrap">
+                                {item.type === "file" ? getFilename(item.path) : ""}
+                              </span>
+                            </Show>
+                          </div>
+                        </>
+                      }
+                    >
+                      <Icon name="brain" size="small" class="text-icon-info-active shrink-0" />
+                      <span class="text-14-regular text-text-strong whitespace-nowrap">
+                        @{item.type === "agent" ? item.name : ""}
+                      </span>
+                    </Show>
+                  </button>
+                )}
+              </For>
+            </Show>
+          </Match>
+          <Match when={props.popover === "slash"}>
+            <Show
+              when={props.slashFlat.length > 0}
+              fallback={<div class="text-text-weak px-2 py-1">{props.t("prompt.popover.emptyCommands")}</div>}
+            >
+              <For each={props.slashFlat}>
+                {(cmd) => (
+                  <button
+                    data-slash-id={cmd.id}
+                    classList={{
+                      "w-full flex items-center justify-between gap-4 rounded-md px-2 py-1": true,
+                      "bg-surface-raised-base-hover": props.slashActive === cmd.id,
+                    }}
+                    onClick={() => props.onSlashSelect(cmd)}
+                    onMouseEnter={() => props.setSlashActive(cmd.id)}
+                  >
+                    <div class="flex items-center gap-2 min-w-0">
+                      <span class="text-14-regular text-text-strong whitespace-nowrap">/{cmd.trigger}</span>
+                      <Show when={cmd.description}>
+                        <span class="text-14-regular text-text-weak truncate">{cmd.description}</span>
+                      </Show>
+                    </div>
+                    <div class="flex items-center gap-2 shrink-0">
+                      <Show when={cmd.type === "custom" && cmd.source !== "command"}>
+                        <span class="text-11-regular text-text-subtle px-1.5 py-0.5 bg-surface-base rounded">
+                          {cmd.source === "skill"
+                            ? props.t("prompt.slash.badge.skill")
+                            : cmd.source === "mcp"
+                              ? props.t("prompt.slash.badge.mcp")
+                              : props.t("prompt.slash.badge.custom")}
+                        </span>
+                      </Show>
+                      <Show when={props.commandKeybind(cmd.id)}>
+                        <span class="text-12-regular text-text-subtle">{props.commandKeybind(cmd.id)}</span>
+                      </Show>
+                    </div>
+                  </button>
+                )}
+              </For>
+            </Show>
+          </Match>
+        </Switch>
+      </div>
+    </Show>
+  )
+}
diff --git a/packages/app/src/components/prompt-input/submit.ts b/packages/app/src/components/prompt-input/submit.ts
index 1e5ebe4cb..5ed5eedad 100644
--- a/packages/app/src/components/prompt-input/submit.ts
+++ b/packages/app/src/components/prompt-input/submit.ts
@@ -1,19 +1,10 @@
 import { Accessor } from "solid-js"
-import { produce } from "solid-js/store"
 import { useNavigate, useParams } from "@solidjs/router"
-import { getFilename } from "@opencode-ai/util/path"
-import { createOpencodeClient, type Message, type Part } from "@opencode-ai/sdk/v2/client"
-import { Binary } from "@opencode-ai/util/binary"
+import { createOpencodeClient, type Message } from "@opencode-ai/sdk/v2/client"
 import { showToast } from "@opencode-ai/ui/toast"
 import { base64Encode } from "@opencode-ai/util/encode"
 import { useLocal } from "@/context/local"
-import {
-  usePrompt,
-  type AgentPart,
-  type FileAttachmentPart,
-  type ImageAttachmentPart,
-  type Prompt,
-} from "@/context/prompt"
+import { usePrompt, type ImageAttachmentPart, type Prompt } from "@/context/prompt"
 import { useLayout } from "@/context/layout"
 import { useSDK } from "@/context/sdk"
 import { useSync } from "@/context/sync"
@@ -24,6 +15,7 @@ import { Identifier } from "@/utils/id"
 import { Worktree as WorktreeState } from "@/utils/worktree"
 import type { FileSelection } from "@/context/file"
 import { setCursorPosition } from "./editor-dom"
+import { buildRequestParts } from "./build-request-parts"
 
 type PendingPrompt = {
   abort: AbortController
@@ -290,138 +282,19 @@ export function createPromptSubmit(input: PromptSubmitInput) {
       }
     }
 
-    const toAbsolutePath = (path: string) =>
-      path.startsWith("/") ? path : (sessionDirectory + "/" + path).replace("//", "/")
-
-    const fileAttachments = currentPrompt.filter((part) => part.type === "file") as FileAttachmentPart[]
-    const agentAttachments = currentPrompt.filter((part) => part.type === "agent") as AgentPart[]
-
-    const fileAttachmentParts = fileAttachments.map((attachment) => {
-      const absolute = toAbsolutePath(attachment.path)
-      const query = attachment.selection
-        ? `?start=${attachment.selection.startLine}&end=${attachment.selection.endLine}`
-        : ""
-      return {
-        id: Identifier.ascending("part"),
-        type: "file" as const,
-        mime: "text/plain",
-        url: `file://${absolute}${query}`,
-        filename: getFilename(attachment.path),
-        source: {
-          type: "file" as const,
-          text: {
-            value: attachment.content,
-            start: attachment.start,
-            end: attachment.end,
-          },
-          path: absolute,
-        },
-      }
-    })
-
-    const agentAttachmentParts = agentAttachments.map((attachment) => ({
-      id: Identifier.ascending("part"),
-      type: "agent" as const,
-      name: attachment.name,
-      source: {
-        value: attachment.content,
-        start: attachment.start,
-        end: attachment.end,
-      },
-    }))
-
-    const usedUrls = new Set(fileAttachmentParts.map((part) => part.url))
-
     const context = prompt.context.items().slice()
     const commentItems = context.filter((item) => item.type === "file" && !!item.comment?.trim())
 
-    const contextParts: Array<
-      | {
-          id: string
-          type: "text"
-          text: string
-          synthetic?: boolean
-        }
-      | {
-          id: string
-          type: "file"
-          mime: string
-          url: string
-          filename?: string
-        }
-    > = []
-
-    const commentNote = (path: string, selection: FileSelection | undefined, comment: string) => {
-      const start = selection ? Math.min(selection.startLine, selection.endLine) : undefined
-      const end = selection ? Math.max(selection.startLine, selection.endLine) : undefined
-      const range =
-        start === undefined || end === undefined
-          ? "this file"
-          : start === end
-            ? `line ${start}`
-            : `lines ${start} through ${end}`
-
-      return `The user made the following comment regarding ${range} of ${path}: ${comment}`
-    }
-
-    const addContextFile = (item: { path: string; selection?: FileSelection; comment?: string }) => {
-      const absolute = toAbsolutePath(item.path)
-      const query = item.selection ? `?start=${item.selection.startLine}&end=${item.selection.endLine}` : ""
-      const url = `file://${absolute}${query}`
-
-      const comment = item.comment?.trim()
-      if (!comment && usedUrls.has(url)) return
-      usedUrls.add(url)
-
-      if (comment) {
-        contextParts.push({
-          id: Identifier.ascending("part"),
-          type: "text",
-          text: commentNote(item.path, item.selection, comment),
-          synthetic: true,
-        })
-      }
-
-      contextParts.push({
-        id: Identifier.ascending("part"),
-        type: "file",
-        mime: "text/plain",
-        url,
-        filename: getFilename(item.path),
-      })
-    }
-
-    for (const item of context) {
-      if (item.type !== "file") continue
-      addContextFile({ path: item.path, selection: item.selection, comment: item.comment })
-    }
-
-    const imageAttachmentParts = images.map((attachment) => ({
-      id: Identifier.ascending("part"),
-      type: "file" as const,
-      mime: attachment.mime,
-      url: attachment.dataUrl,
-      filename: attachment.filename,
-    }))
-
     const messageID = Identifier.ascending("message")
-    const requestParts = [
-      {
-        id: Identifier.ascending("part"),
-        type: "text" as const,
-        text,
-      },
-      ...fileAttachmentParts,
-      ...contextParts,
-      ...agentAttachmentParts,
-      ...imageAttachmentParts,
-    ]
-
-    const optimisticParts = requestParts.map((part) => ({
-      ...part,
+    const { requestParts, optimisticParts } = buildRequestParts({
+      prompt: currentPrompt,
+      context,
+      images,
+      text,
       sessionID: session.id,
       messageID,
-    })) as unknown as Part[]
+      sessionDirectory,
+    })
 
     const optimisticMessage: Message = {
       id: messageID,
@@ -432,69 +305,20 @@ export function createPromptSubmit(input: PromptSubmitInput) {
       model,
     }
 
-    const addOptimisticMessage = () => {
-      if (sessionDirectory === projectDirectory) {
-        sync.set(
-          produce((draft) => {
-            const messages = draft.message[session.id]
-            if (!messages) {
-              draft.message[session.id] = [optimisticMessage]
-            } else {
-              const result = Binary.search(messages, messageID, (m) => m.id)
-              messages.splice(result.index, 0, optimisticMessage)
-            }
-            draft.part[messageID] = optimisticParts
-              .filter((part) => !!part?.id)
-              .slice()
-              .sort((a, b) => (a.id < b.id ? -1 : a.id > b.id ? 1 : 0))
-          }),
-        )
-        return
-      }
-
-      globalSync.child(sessionDirectory)[1](
-        produce((draft) => {
-          const messages = draft.message[session.id]
-          if (!messages) {
-            draft.message[session.id] = [optimisticMessage]
-          } else {
-            const result = Binary.search(messages, messageID, (m) => m.id)
-            messages.splice(result.index, 0, optimisticMessage)
-          }
-          draft.part[messageID] = optimisticParts
-            .filter((part) => !!part?.id)
-            .slice()
-            .sort((a, b) => (a.id < b.id ? -1 : a.id > b.id ? 1 : 0))
-        }),
-      )
-    }
-
-    const removeOptimisticMessage = () => {
-      if (sessionDirectory === projectDirectory) {
-        sync.set(
-          produce((draft) => {
-            const messages = draft.message[session.id]
-            if (messages) {
-              const result = Binary.search(messages, messageID, (m) => m.id)
-              if (result.found) messages.splice(result.index, 1)
-            }
-            delete draft.part[messageID]
-          }),
-        )
-        return
-      }
+    const addOptimisticMessage = () =>
+      sync.session.optimistic.add({
+        directory: sessionDirectory,
+        sessionID: session.id,
+        message: optimisticMessage,
+        parts: optimisticParts,
+      })
 
-      globalSync.child(sessionDirectory)[1](
-        produce((draft) => {
-          const messages = draft.message[session.id]
-          if (messages) {
-            const result = Binary.search(messages, messageID, (m) => m.id)
-            if (result.found) messages.splice(result.index, 1)
-          }
-          delete draft.part[messageID]
-        }),
-      )
-    }
+    const removeOptimisticMessage = () =>
+      sync.session.optimistic.remove({
+        directory: sessionDirectory,
+        sessionID: session.id,
+        messageID,
+      })
 
     removeCommentItems(commentItems)
     clearInput()
diff --git a/packages/app/src/components/server/server-row.tsx b/packages/app/src/components/server/server-row.tsx
new file mode 100644
index 000000000..b43c07882
--- /dev/null
+++ b/packages/app/src/components/server/server-row.tsx
@@ -0,0 +1,77 @@
+import { Tooltip } from "@opencode-ai/ui/tooltip"
+import { JSXElement, ParentProps, Show, createEffect, createSignal, onCleanup, onMount } from "solid-js"
+import { serverDisplayName } from "@/context/server"
+import type { ServerHealth } from "@/utils/server-health"
+
+interface ServerRowProps extends ParentProps {
+  url: string
+  status?: ServerHealth
+  class?: string
+  nameClass?: string
+  versionClass?: string
+  dimmed?: boolean
+  badge?: JSXElement
+}
+
+export function ServerRow(props: ServerRowProps) {
+  const [truncated, setTruncated] = createSignal(false)
+  let nameRef: HTMLSpanElement | undefined
+  let versionRef: HTMLSpanElement | undefined
+
+  const check = () => {
+    const nameTruncated = nameRef ? nameRef.scrollWidth > nameRef.clientWidth : false
+    const versionTruncated = versionRef ? versionRef.scrollWidth > versionRef.clientWidth : false
+    setTruncated(nameTruncated || versionTruncated)
+  }
+
+  createEffect(() => {
+    props.url
+    props.status?.version
+    if (typeof requestAnimationFrame === "function") {
+      requestAnimationFrame(check)
+      return
+    }
+    check()
+  })
+
+  onMount(() => {
+    check()
+    if (typeof window === "undefined") return
+    window.addEventListener("resize", check)
+    onCleanup(() => window.removeEventListener("resize", check))
+  })
+
+  const tooltipValue = () => (
+    <span class="flex items-center gap-2">
+      <span>{serverDisplayName(props.url)}</span>
+      <Show when={props.status?.version}>
+        <span class="text-text-invert-base">{props.status?.version}</span>
+      </Show>
+    </span>
+  )
+
+  return (
+    <Tooltip value={tooltipValue()} placement="top" inactive={!truncated()}>
+      <div class={props.class} classList={{ "opacity-50": props.dimmed }}>
+        <div
+          classList={{
+            "size-1.5 rounded-full shrink-0": true,
+            "bg-icon-success-base": props.status?.healthy === true,
+            "bg-icon-critical-base": props.status?.healthy === false,
+            "bg-border-weak-base": props.status === undefined,
+          }}
+        />
+        <span ref={nameRef} class={props.nameClass ?? "truncate"}>
+          {serverDisplayName(props.url)}
+        </span>
+        <Show when={props.status?.version}>
+          <span ref={versionRef} class={props.versionClass ?? "text-text-weak text-14-regular truncate"}>
+            {props.status?.version}
+          </span>
+        </Show>
+        {props.badge}
+        {props.children}
+      </div>
+    </Tooltip>
+  )
+}
diff --git a/packages/app/src/components/status-popover.tsx b/packages/app/src/components/status-popover.tsx
index 102c477a1..3354c3d36 100644
--- a/packages/app/src/components/status-popover.tsx
+++ b/packages/app/src/components/status-popover.tsx
@@ -1,4 +1,4 @@
-import { createEffect, createMemo, createSignal, For, onCleanup, onMount, Show } from "solid-js"
+import { createEffect, createMemo, For, onCleanup, Show } from "solid-js"
 import { createStore, reconcile } from "solid-js/store"
 import { useNavigate } from "@solidjs/router"
 import { useDialog } from "@opencode-ai/ui/context/dialog"
@@ -7,30 +7,15 @@ import { Tabs } from "@opencode-ai/ui/tabs"
 import { Button } from "@opencode-ai/ui/button"
 import { Switch } from "@opencode-ai/ui/switch"
 import { Icon } from "@opencode-ai/ui/icon"
-import { Tooltip } from "@opencode-ai/ui/tooltip"
 import { useSync } from "@/context/sync"
 import { useSDK } from "@/context/sdk"
-import { normalizeServerUrl, serverDisplayName, useServer } from "@/context/server"
+import { normalizeServerUrl, useServer } from "@/context/server"
 import { usePlatform } from "@/context/platform"
 import { useLanguage } from "@/context/language"
-import { createOpencodeClient } from "@opencode-ai/sdk/v2/client"
 import { DialogSelectServer } from "./dialog-select-server"
 import { showToast } from "@opencode-ai/ui/toast"
-
-type ServerStatus = { healthy: boolean; version?: string }
-
-async function checkHealth(url: string, platform: ReturnType<typeof usePlatform>): Promise<ServerStatus> {
-  const signal = (AbortSignal as unknown as { timeout?: (ms: number) => AbortSignal }).timeout?.(3000)
-  const sdk = createOpencodeClient({
-    baseUrl: url,
-    fetch: platform.fetch,
-    signal,
-  })
-  return sdk.global
-    .health()
-    .then((x) => ({ healthy: x.data?.healthy === true, version: x.data?.version }))
-    .catch(() => ({ healthy: false }))
-}
+import { ServerRow } from "@/components/server/server-row"
+import { checkServerHealth, type ServerHealth } from "@/utils/server-health"
 
 export function StatusPopover() {
   const sync = useSync()
@@ -42,10 +27,11 @@ export function StatusPopover() {
   const navigate = useNavigate()
 
   const [store, setStore] = createStore({
-    status: {} as Record<string, ServerStatus | undefined>,
+    status: {} as Record<string, ServerHealth | undefined>,
     loading: null as string | null,
     defaultServerUrl: undefined as string | undefined,
   })
+  const fetcher = platform.fetch ?? globalThis.fetch
 
   const servers = createMemo(() => {
     const current = server.url
@@ -60,7 +46,7 @@ export function StatusPopover() {
     if (!list.length) return list
     const active = server.url
     const order = new Map(list.map((url, index) => [url, index] as const))
-    const rank = (value?: ServerStatus) => {
+    const rank = (value?: ServerHealth) => {
       if (value?.healthy === true) return 0
       if (value?.healthy === false) return 2
       return 1
@@ -75,10 +61,10 @@ export function StatusPopover() {
   })
 
   async function refreshHealth() {
-    const results: Record<string, ServerStatus> = {}
+    const results: Record<string, ServerHealth> = {}
     await Promise.all(
       servers().map(async (url) => {
-        results[url] = await checkHealth(url, platform)
+        results[url] = await checkServerHealth(url, fetcher)
       }),
     )
     setStore("status", reconcile(results))
@@ -213,78 +199,43 @@ export function StatusPopover() {
                     const isDefault = () => url === store.defaultServerUrl
                     const status = () => store.status[url]
                     const isBlocked = () => status()?.healthy === false
-                    const [truncated, setTruncated] = createSignal(false)
-                    let nameRef: HTMLSpanElement | undefined
-                    let versionRef: HTMLSpanElement | undefined
-
-                    onMount(() => {
-                      const check = () => {
-                        const nameTruncated = nameRef ? nameRef.scrollWidth > nameRef.clientWidth : false
-                        const versionTruncated = versionRef ? versionRef.scrollWidth > versionRef.clientWidth : false
-                        setTruncated(nameTruncated || versionTruncated)
-                      }
-                      check()
-                      window.addEventListener("resize", check)
-                      onCleanup(() => window.removeEventListener("resize", check))
-                    })
-
-                    const tooltipValue = () => {
-                      const name = serverDisplayName(url)
-                      const version = status()?.version
-                      return (
-                        <span class="flex items-center gap-2">
-                          <span>{name}</span>
-                          <Show when={version}>
-                            <span class="text-text-invert-base">{version}</span>
-                          </Show>
-                        </span>
-                      )
-                    }
 
                     return (
-                      <Tooltip value={tooltipValue()} placement="top" inactive={!truncated()}>
-                        <button
-                          type="button"
-                          class="flex items-center gap-2 w-full h-8 pl-3 pr-1.5 py-1.5 rounded-md transition-colors text-left"
-                          classList={{
-                            "opacity-50": isBlocked(),
-                            "hover:bg-surface-raised-base-hover": !isBlocked(),
-                            "cursor-not-allowed": isBlocked(),
-                          }}
-                          aria-disabled={isBlocked()}
-                          onClick={() => {
-                            if (isBlocked()) return
-                            server.setActive(url)
-                            navigate("/")
-                          }}
+                      <button
+                        type="button"
+                        class="flex items-center gap-2 w-full h-8 pl-3 pr-1.5 py-1.5 rounded-md transition-colors text-left"
+                        classList={{
+                          "hover:bg-surface-raised-base-hover": !isBlocked(),
+                          "cursor-not-allowed": isBlocked(),
+                        }}
+                        aria-disabled={isBlocked()}
+                        onClick={() => {
+                          if (isBlocked()) return
+                          server.setActive(url)
+                          navigate("/")
+                        }}
+                      >
+                        <ServerRow
+                          url={url}
+                          status={status()}
+                          dimmed={isBlocked()}
+                          class="flex items-center gap-2 w-full min-w-0"
+                          nameClass="text-14-regular text-text-base truncate"
+                          versionClass="text-12-regular text-text-weak truncate"
+                          badge={
+                            <Show when={isDefault()}>
+                              <span class="text-11-regular text-text-base bg-surface-base px-1.5 py-0.5 rounded-md">
+                                {language.t("common.default")}
+                              </span>
+                            </Show>
+                          }
                         >
-                          <div
-                            classList={{
-                              "size-1.5 rounded-full shrink-0": true,
-                              "bg-icon-success-base": status()?.healthy === true,
-                              "bg-icon-critical-base": status()?.healthy === false,
-                              "bg-border-weak-base": status() === undefined,
-                            }}
-                          />
-                          <span ref={nameRef} class="text-14-regular text-text-base truncate">
-                            {serverDisplayName(url)}
-                          </span>
-                          <Show when={status()?.version}>
-                            <span ref={versionRef} class="text-12-regular text-text-weak truncate">
-                              {status()?.version}
-                            </span>
-                          </Show>
-                          <Show when={isDefault()}>
-                            <span class="text-11-regular text-text-base bg-surface-base px-1.5 py-0.5 rounded-md">
-                              {language.t("common.default")}
-                            </span>
-                          </Show>
                           <div class="flex-1" />
                           <Show when={isActive()}>
                             <Icon name="check" size="small" class="text-icon-weak shrink-0" />
                           </Show>
-                        </button>
-                      </Tooltip>
+                        </ServerRow>
+                      </button>
                     )
                   }}
                 </For>
diff --git a/packages/app/src/components/terminal.tsx b/packages/app/src/components/terminal.tsx
index 4d44d5f7e..2ee2e074e 100644
--- a/packages/app/src/components/terminal.tsx
+++ b/packages/app/src/components/terminal.tsx
@@ -8,6 +8,7 @@ import { LocalPTY } from "@/context/terminal"
 import { resolveThemeVariant, useTheme, withAlpha, type HexColor } from "@opencode-ai/ui/theme"
 import { useLanguage } from "@/context/language"
 import { showToast } from "@opencode-ai/ui/toast"
+import { disposeIfDisposable, getHoveredLinkText, setOptionIfSupported } from "@/utils/runtime-adapters"
 
 export interface TerminalProps extends ComponentProps<"div"> {
   pty: LocalPTY
@@ -111,17 +112,13 @@ export const Terminal = (props: TerminalProps) => {
     const colors = getTerminalColors()
     setTerminalColors(colors)
     if (!term) return
-    const setOption = (term as unknown as { setOption?: (key: string, value: TerminalColors) => void }).setOption
-    if (!setOption) return
-    setOption("theme", colors)
+    setOptionIfSupported(term, "theme", colors)
   })
 
   createEffect(() => {
     const font = monoFontFamily(settings.appearance.font())
     if (!term) return
-    const setOption = (term as unknown as { setOption?: (key: string, value: string) => void }).setOption
-    if (!setOption) return
-    setOption("fontFamily", font)
+    setOptionIfSupported(term, "fontFamily", font)
   })
 
   const focusTerminal = () => {
@@ -146,12 +143,12 @@ export const Terminal = (props: TerminalProps) => {
     const t = term
     if (!t) return
 
-    const link = (t as unknown as { currentHoveredLink?: { text: string } }).currentHoveredLink
-    if (!link?.text) return
+    const text = getHoveredLinkText(t)
+    if (!text) return
 
     event.preventDefault()
     event.stopImmediatePropagation()
-    platform.openLink(link.text)
+    platform.openLink(text)
   }
 
   onMount(() => {
@@ -250,7 +247,7 @@ export const Terminal = (props: TerminalProps) => {
 
       const fit = new mod.FitAddon()
       const serializer = new SerializeAddon()
-      cleanups.push(() => (fit as unknown as { dispose?: VoidFunction }).dispose?.())
+      cleanups.push(() => disposeIfDisposable(fit))
       t.loadAddon(serializer)
       t.loadAddon(fit)
       fitAddon = fit
@@ -303,19 +300,19 @@ export const Terminal = (props: TerminalProps) => {
             .catch(() => {})
         }
       })
-      cleanups.push(() => (onResize as unknown as { dispose?: VoidFunction }).dispose?.())
+      cleanups.push(() => disposeIfDisposable(onResize))
       const onData = t.onData((data) => {
         if (socket.readyState === WebSocket.OPEN) {
           socket.send(data)
         }
       })
-      cleanups.push(() => (onData as unknown as { dispose?: VoidFunction }).dispose?.())
+      cleanups.push(() => disposeIfDisposable(onData))
       const onKey = t.onKey((key) => {
         if (key.key == "Enter") {
           props.onSubmit?.()
         }
       })
-      cleanups.push(() => (onKey as unknown as { dispose?: VoidFunction }).dispose?.())
+      cleanups.push(() => disposeIfDisposable(onKey))
       // t.onScroll((ydisp) => {
       // console.log("Scroll position:", ydisp)
       // })