chore: cleanup

Co-authored-by: wangxinxin <xinxin.wang@pharmbrain.com>

.github/actions/setup-bun/action.yml

@@ -31,6 +31,10 @@ runs:
         bun-version-file: ${{ !steps.bun-url.outputs.url && 'package.json' || '' }}
         bun-download-url: ${{ steps.bun-url.outputs.url }}
 
+    - name: Install setuptools for distutils compatibility
+      run: python3 -m pip install setuptools || pip install setuptools || true
+      shell: bash
+
     - name: Install dependencies
       run: bun install
       shell: bash

.github/workflows/publish.yml

@@ -149,6 +149,10 @@ jobs:
 
       - uses: ./.github/actions/setup-bun
 
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "24"
+
       - name: Cache apt packages
         if: contains(matrix.settings.host, 'ubuntu')
         uses: actions/cache@v4

.github/workflows/storybook.yml

@@ -0,0 +1,38 @@
+name: storybook
+
+on:
+  push:
+    branches: [dev]
+    paths:
+      - ".github/workflows/storybook.yml"
+      - "package.json"
+      - "bun.lock"
+      - "packages/storybook/**"
+      - "packages/ui/**"
+  pull_request:
+    branches: [dev]
+    paths:
+      - ".github/workflows/storybook.yml"
+      - "package.json"
+      - "bun.lock"
+      - "packages/storybook/**"
+      - "packages/ui/**"
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    name: storybook build
+    runs-on: blacksmith-4vcpu-ubuntu-2404
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Bun
+        uses: ./.github/actions/setup-bun
+
+      - name: Build Storybook
+        run: bun --cwd packages/storybook build

.github/workflows/test.yml

@@ -6,6 +6,14 @@ on:
       - dev
   pull_request:
   workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+
 jobs:
   unit:
     name: unit (${{ matrix.settings.name }})
@@ -86,18 +94,3 @@ jobs:
           path: |
             packages/app/e2e/test-results
             packages/app/e2e/playwright-report
-
-  required:
-    name: test (linux)
-    runs-on: blacksmith-4vcpu-ubuntu-2404
-    needs:
-      - unit
-      - e2e
-    if: always()
-    steps:
-      - name: Verify upstream test jobs passed
-        run: |
-          echo "unit=${{ needs.unit.result }}"
-          echo "e2e=${{ needs.e2e.result }}"
-          test "${{ needs.unit.result }}" = "success"
-          test "${{ needs.e2e.result }}" = "success"

.opencode/.gitignore

@@ -1,3 +1,4 @@
 plans/
 bun.lock
 package.json
+package-lock.json

.opencode/opencode.jsonc

@@ -5,6 +5,11 @@
       "options": {},
     },
   },
+  "permission": {
+    "edit": {
+      "packages/opencode/migration/*": "deny",
+    },
+  },
   "mcp": {},
   "tools": {
     "github-triage": false,

.opencode/tool/github-triage.ts

@@ -5,16 +5,8 @@ import DESCRIPTION from "./github-triage.txt"
 const TEAM = {
   desktop: ["adamdotdevin", "iamdavidhill", "Brendonovich", "nexxeln"],
   zen: ["fwang", "MrMushrooooom"],
-  tui: [
-    "thdxr",
-    "kommander",
-    // "rekram1-node" (on vacation)
-  ],
-  core: [
-    "thdxr",
-    // "rekram1-node", (on vacation)
-    "jlongster",
-  ],
+  tui: ["thdxr", "kommander", "rekram1-node"],
+  core: ["thdxr", "rekram1-node", "jlongster"],
   docs: ["R44VC0RP"],
   windows: ["Hona"],
 } as const
@@ -50,7 +42,10 @@ async function githubFetch(endpoint: string, options: RequestInit = {}) {
 export default tool({
   description: DESCRIPTION,
   args: {
-    assignee: tool.schema.enum(ASSIGNEES as [string, ...string[]]).describe("The username of the assignee"),
+    assignee: tool.schema
+      .enum(ASSIGNEES as [string, ...string[]])
+      .describe("The username of the assignee")
+      .default("rekram1-node"),
     labels: tool.schema
       .array(tool.schema.enum(["nix", "opentui", "perf", "web", "desktop", "zen", "docs", "windows", "core"]))
       .describe("The labels(s) to add to the issue")
@@ -73,8 +68,7 @@ export default tool({
       results.push("Dropped label: nix (issue does not mention nix)")
     }
 
-    // const assignee = nix ? "rekram1-node" : web ? pick(TEAM.desktop) : args.assignee
-    const assignee = web ? pick(TEAM.desktop) : args.assignee
+    const assignee = nix ? "rekram1-node" : web ? pick(TEAM.desktop) : args.assignee
 
     if (labels.includes("zen") && !zen) {
       throw new Error("Only add the zen label when issue title/body contains 'zen'")

.opencode/tool/github-triage.txt

@@ -4,5 +4,3 @@ Choose labels and assignee using the current triage policy and ownership rules.
 Pick the most fitting labels for the issue and assign one owner.
 
 If unsure, choose the team/section with the most overlap with the issue and assign a member from that team at random.
-
-(Note: rekram1-node is on vacation, do not assign issues to him.)

AGENTS.md

@@ -122,3 +122,7 @@ const table = sqliteTable("session", {
 - Avoid mocks as much as possible
 - Test actual implementation, do not duplicate logic into tests
 - Tests cannot run from repo root (guard: `do-not-run-tests-from-root`); run from package dirs like `packages/opencode`.
+
+## Type Checking
+
+- Always run `bun typecheck` from package directories (e.g., `packages/opencode`), never `tsc` directly.

README.zh.md

@@ -137,4 +137,4 @@ OpenCode 内置两种 Agent，可用 `Tab` 键快速切换：
 
 ---
 
-**加入我们的社区** [Discord](https://discord.gg/opencode) | [X.com](https://x.com/opencode)
+**加入我们的社区** [飞书](https://applink.feishu.cn/client/chat/chatter/add_by_link?link_token=de8k6664-1b5e-43f2-8efd-21d6772647b5&qr_code=true) | [X.com](https://x.com/opencode)

README.zht.md

@@ -137,4 +137,4 @@ OpenCode 內建了兩種 Agent，您可以使用 `Tab` 鍵快速切換。
 
 ---
 
-**加入我們的社群** [Discord](https://discord.gg/opencode) | [X.com](https://x.com/opencode)
+**加入我們的社群** [飞书](https://applink.feishu.cn/client/chat/chatter/add_by_link?link_token=de8k6664-1b5e-43f2-8efd-21d6772647b5&qr_code=true) | [X.com](https://x.com/opencode)

nix/hashes.json

@@ -1,8 +1,8 @@
 {
   "nodeModules": {
-    "x86_64-linux": "sha256-4kjoJ06VNvHltPHfzQRBG0bC6R39jao10ffGzrNZ230=",
-    "aarch64-linux": "sha256-6Uio+S2rcyBWbBEeOZb9N1CCKgkbKi68lOIKi3Ws/pQ=",
-    "aarch64-darwin": "sha256-8ngN5KVN4vhdsk0QJ11BGgSVBrcaEbwSj23c77HBpgs=",
-    "x86_64-darwin": "sha256-v/ueYGb9a0Nymzy+mkO4uQr78DAuJnES1qOT0onFgnQ="
+    "x86_64-linux": "sha256-dhL4YeSi4Lm9yDp919Fx7N2hyLUbZQa2qWoCf/50ce8=",
+    "aarch64-linux": "sha256-//YxCsrvYlxuvd0MtFFO+pLxjmuemyrvGzSIPxzO+rA=",
+    "aarch64-darwin": "sha256-c65kSWteQNaBcQUsjbXNqT61vt98JPNYo9yMNvUygCw=",
+    "x86_64-darwin": "sha256-hlTzEFv3nZHwlDXU65LfMC+NaqYjjyZqagdJ366CNxY="
   }
 }

package.json

@@ -43,6 +43,7 @@
       "dompurify": "3.3.1",
       "drizzle-kit": "1.0.0-beta.16-ea816b6",
       "drizzle-orm": "1.0.0-beta.16-ea816b6",
+      "effect": "4.0.0-beta.29",
       "ai": "5.0.124",
       "hono": "4.10.7",
       "hono-openapi": "1.1.2",

packages/app/e2e/AGENTS.md

@@ -72,6 +72,9 @@ test("test description", async ({ page, sdk, gotoSession }) => {
 - `openSidebar(page)` / `closeSidebar(page)` - Toggle sidebar
 - `withSession(sdk, title, callback)` - Create temp session
 - `withProject(...)` - Create temp project/workspace
+- `sessionIDFromUrl(url)` - Read session ID from URL
+- `slugFromUrl(url)` - Read workspace slug from URL
+- `waitSlug(page, skip?)` - Wait for resolved workspace slug
 - `trackSession(sessionID, directory?)` - Register session for fixture cleanup
 - `trackDirectory(directory)` - Register directory for fixture cleanup
 - `clickListItem(container, filter)` - Click list item by key/text
@@ -169,9 +172,10 @@ await page.keyboard.press(`${modKey}+Comma`) // Open settings
 1. Choose appropriate folder or create new one
 2. Import from `../fixtures`
 3. Use helper functions from `../actions` and `../selectors`
-4. Clean up any created resources
-5. Use specific selectors (avoid CSS classes)
-6. Test one feature per test file
+4. When validating routing, use shared helpers from `../actions`. Workspace URL slugs can be canonicalized on Windows, so assert against canonical or resolved workspace slugs.
+5. Clean up any created resources
+6. Use specific selectors (avoid CSS classes)
+7. Test one feature per test file
 
 ## Local Development
 

packages/app/e2e/actions.ts

@@ -199,6 +199,33 @@ export async function cleanupTestProject(directory: string) {
   await fs.rm(directory, { recursive: true, force: true, maxRetries: 5, retryDelay: 100 }).catch(() => undefined)
 }
 
+export function slugFromUrl(url: string) {
+  return /\/([^/]+)\/session(?:[/?#]|$)/.exec(url)?.[1] ?? ""
+}
+
+export async function waitSlug(page: Page, skip: string[] = []) {
+  let prev = ""
+  let next = ""
+  await expect
+    .poll(
+      () => {
+        const slug = slugFromUrl(page.url())
+        if (!slug) return ""
+        if (skip.includes(slug)) return ""
+        if (slug !== prev) {
+          prev = slug
+          next = ""
+          return ""
+        }
+        next = slug
+        return slug
+      },
+      { timeout: 45_000 },
+    )
+    .not.toBe("")
+  return next
+}
+
 export function sessionIDFromUrl(url: string) {
   const match = /\/session\/([^/?#]+)/.exec(url)
   return match?.[1]

packages/app/e2e/app/home.spec.ts

@@ -1,17 +1,17 @@
 import { test, expect } from "../fixtures"
-import { serverName } from "../utils"
+import { serverNamePattern } from "../utils"
 
 test("home renders and shows core entrypoints", async ({ page }) => {
   await page.goto("/")
 
   await expect(page.getByRole("button", { name: "Open project" }).first()).toBeVisible()
-  await expect(page.getByRole("button", { name: serverName })).toBeVisible()
+  await expect(page.getByRole("button", { name: serverNamePattern })).toBeVisible()
 })
 
 test("server picker dialog opens from home", async ({ page }) => {
   await page.goto("/")
 
-  const trigger = page.getByRole("button", { name: serverName })
+  const trigger = page.getByRole("button", { name: serverNamePattern })
   await expect(trigger).toBeVisible()
   await trigger.click()
 

packages/app/e2e/app/server-default.spec.ts

@@ -1,6 +1,6 @@
 import { test, expect } from "../fixtures"
-import { serverName, serverUrl } from "../utils"
-import { clickListItem, closeDialog, clickMenuItem } from "../actions"
+import { serverNamePattern, serverUrls } from "../utils"
+import { closeDialog, clickMenuItem } from "../actions"
 
 const DEFAULT_SERVER_URL_KEY = "opencode.settings.dat:defaultServerUrl"
 
@@ -31,10 +31,9 @@ test("can set a default server on web", async ({ page, gotoSession }) => {
   const dialog = page.getByRole("dialog")
   await expect(dialog).toBeVisible()
 
-  const row = dialog.locator('[data-slot="list-item"]').filter({ hasText: serverName }).first()
-  await expect(row).toBeVisible()
+  await expect(dialog.getByText(serverNamePattern).first()).toBeVisible()
 
-  const menuTrigger = row.locator('[data-slot="dropdown-menu-trigger"]').first()
+  const menuTrigger = dialog.locator('[data-slot="dropdown-menu-trigger"]').first()
   await expect(menuTrigger).toBeVisible()
   await menuTrigger.click({ force: true })
 
@@ -42,14 +41,18 @@ test("can set a default server on web", async ({ page, gotoSession }) => {
   await expect(menu).toBeVisible()
   await clickMenuItem(menu, /set as default/i)
 
-  await expect.poll(() => page.evaluate((key) => localStorage.getItem(key), DEFAULT_SERVER_URL_KEY)).toBe(serverUrl)
-  await expect(row.getByText("Default", { exact: true })).toBeVisible()
+  await expect
+    .poll(async () =>
+      serverUrls.includes((await page.evaluate((key) => localStorage.getItem(key), DEFAULT_SERVER_URL_KEY)) ?? ""),
+    )
+    .toBe(true)
+  await expect(dialog.getByText("Default", { exact: true })).toBeVisible()
 
   await closeDialog(page, dialog)
 
   await ensurePopoverOpen()
 
-  const serverRow = popover.locator("button").filter({ hasText: serverName }).first()
+  const serverRow = popover.locator("button").filter({ hasText: serverNamePattern }).first()
   await expect(serverRow).toBeVisible()
   await expect(serverRow.getByText("Default", { exact: true })).toBeVisible()
 })

packages/app/e2e/commands/panels.spec.ts

@@ -10,6 +10,8 @@ const expanded = async (el: { getAttribute: (name: string) => Promise<string | n
 test("review panel can be toggled via keybind", async ({ page, gotoSession }) => {
   await gotoSession()
 
+  const reviewPanel = page.locator("#review-panel")
+
   const treeToggle = page.getByRole("button", { name: "Toggle file tree" }).first()
   await expect(treeToggle).toBeVisible()
   if (await expanded(treeToggle)) await treeToggle.click()
@@ -19,13 +21,13 @@ test("review panel can be toggled via keybind", async ({ page, gotoSession }) =>
   await expect(reviewToggle).toBeVisible()
   if (await expanded(reviewToggle)) await reviewToggle.click()
   await expect(reviewToggle).toHaveAttribute("aria-expanded", "false")
-  await expect(page.locator("#review-panel")).toHaveCount(0)
+  await expect(reviewPanel).toHaveAttribute("aria-hidden", "true")
 
   await page.keyboard.press(`${modKey}+Shift+R`)
   await expect(reviewToggle).toHaveAttribute("aria-expanded", "true")
-  await expect(page.locator("#review-panel")).toBeVisible()
+  await expect(reviewPanel).toHaveAttribute("aria-hidden", "false")
 
   await page.keyboard.press(`${modKey}+Shift+R`)
   await expect(reviewToggle).toHaveAttribute("aria-expanded", "false")
-  await expect(page.locator("#review-panel")).toHaveCount(0)
+  await expect(reviewPanel).toHaveAttribute("aria-hidden", "true")
 })

packages/app/e2e/files/file-tree.spec.ts

@@ -43,6 +43,13 @@ test("file tree can expand folders and open a file", async ({ page, gotoSession
   await tab.click()
   await expect(tab).toHaveAttribute("aria-selected", "true")
 
+  await toggle.click()
+  await expect(toggle).toHaveAttribute("aria-expanded", "false")
+
+  await toggle.click()
+  await expect(toggle).toHaveAttribute("aria-expanded", "true")
+  await expect(allTab).toHaveAttribute("aria-selected", "true")
+
   const viewer = page.locator('[data-component="file"][data-mode="text"]').first()
   await expect(viewer).toBeVisible()
   await expect(viewer).toContainText("export default function FileTree")

packages/app/e2e/projects/projects-close.spec.ts

@@ -1,36 +1,8 @@
 import { test, expect } from "../fixtures"
 import { createTestProject, cleanupTestProject, openSidebar, clickMenuItem, openProjectMenu } from "../actions"
-import { projectCloseHoverSelector, projectSwitchSelector } from "../selectors"
+import { projectSwitchSelector } from "../selectors"
 import { dirSlug } from "../utils"
 
-test("can close a project via hover card close button", async ({ page, withProject }) => {
-  await page.setViewportSize({ width: 1400, height: 800 })
-
-  const other = await createTestProject()
-  const otherSlug = dirSlug(other)
-
-  try {
-    await withProject(
-      async () => {
-        await openSidebar(page)
-
-        const otherButton = page.locator(projectSwitchSelector(otherSlug)).first()
-        await expect(otherButton).toBeVisible()
-        await otherButton.hover()
-
-        const close = page.locator(projectCloseHoverSelector(otherSlug)).first()
-        await expect(close).toBeVisible()
-        await close.click()
-
-        await expect(otherButton).toHaveCount(0)
-      },
-      { extra: [other] },
-    )
-  } finally {
-    await cleanupTestProject(other)
-  }
-})
-
 test("closing active project navigates to another open project", async ({ page, withProject }) => {
   await page.setViewportSize({ width: 1400, height: 800 })
 
@@ -53,16 +25,26 @@ test("closing active project navigates to another open project", async ({ page,
         await clickMenuItem(menu, /^Close$/i, { force: true })
 
         await expect
-          .poll(() => {
-            const pathname = new URL(page.url()).pathname
-            if (new RegExp(`^/${slug}/session(?:/[^/]+)?/?$`).test(pathname)) return "project"
-            if (pathname === "/") return "home"
-            return ""
-          })
+          .poll(
+            () => {
+              const pathname = new URL(page.url()).pathname
+              if (new RegExp(`^/${slug}/session(?:/[^/]+)?/?$`).test(pathname)) return "project"
+              if (pathname === "/") return "home"
+              return ""
+            },
+            { timeout: 15_000 },
+          )
           .toMatch(/^(project|home)$/)
 
         await expect(page).not.toHaveURL(new RegExp(`/${otherSlug}/session(?:[/?#]|$)`))
-        await expect(otherButton).toHaveCount(0)
+        await expect
+          .poll(
+            async () => {
+              return await page.locator(projectSwitchSelector(otherSlug)).count()
+            },
+            { timeout: 15_000 },
+          )
+          .toBe(0)
       },
       { extra: [other] },
     )

packages/app/e2e/projects/projects-switch.spec.ts

@@ -1,13 +1,9 @@
 import { base64Decode } from "@opencode-ai/util/encode"
 import type { Page } from "@playwright/test"
 import { test, expect } from "../fixtures"
-import { defocus, createTestProject, cleanupTestProject, openSidebar, sessionIDFromUrl } from "../actions"
+import { defocus, createTestProject, cleanupTestProject, openSidebar, sessionIDFromUrl, waitSlug } from "../actions"
 import { projectSwitchSelector, promptSelector, workspaceItemSelector, workspaceNewSessionSelector } from "../selectors"
-import { dirSlug } from "../utils"
-
-function slugFromUrl(url: string) {
-  return /\/([^/]+)\/session(?:\/|$)/.exec(url)?.[1] ?? ""
-}
+import { dirSlug, resolveDirectory } from "../utils"
 
 async function workspaces(page: Page, directory: string, enabled: boolean) {
   await page.evaluate(
@@ -76,7 +72,6 @@ test("switching back to a project opens the latest workspace session", async ({
 
   const other = await createTestProject()
   const otherSlug = dirSlug(other)
-  let workspaceDir: string | undefined
   try {
     await withProject(
       async ({ directory, slug, trackSession, trackDirectory }) => {
@@ -89,33 +84,27 @@ test("switching back to a project opens the latest workspace session", async ({
 
         await page.getByRole("button", { name: "New workspace" }).first().click()
 
-        await expect
-          .poll(
-            () => {
-              const next = slugFromUrl(page.url())
-              if (!next) return ""
-              if (next === slug) return ""
-              return next
-            },
-            { timeout: 45_000 },
-          )
-          .not.toBe("")
-
-        const workspaceSlug = slugFromUrl(page.url())
-        workspaceDir = base64Decode(workspaceSlug)
-        if (!workspaceDir) throw new Error(`Failed to decode workspace slug: ${workspaceSlug}`)
-        trackDirectory(workspaceDir)
+        const raw = await waitSlug(page, [slug])
+        const dir = base64Decode(raw)
+        if (!dir) throw new Error(`Failed to decode workspace slug: ${raw}`)
+        const space = await resolveDirectory(dir)
+        const next = dirSlug(space)
+        trackDirectory(space)
         await openSidebar(page)
 
-        const workspace = page.locator(workspaceItemSelector(workspaceSlug)).first()
-        await expect(workspace).toBeVisible()
-        await workspace.hover()
+        const item = page.locator(`${workspaceItemSelector(next)}, ${workspaceItemSelector(raw)}`).first()
+        await expect(item).toBeVisible()
+        await item.hover()
 
-        const newSession = page.locator(workspaceNewSessionSelector(workspaceSlug)).first()
-        await expect(newSession).toBeVisible()
-        await newSession.click({ force: true })
+        const btn = page.locator(`${workspaceNewSessionSelector(next)}, ${workspaceNewSessionSelector(raw)}`).first()
+        await expect(btn).toBeVisible()
+        await btn.click({ force: true })
 
-        await expect(page).toHaveURL(new RegExp(`/${workspaceSlug}/session(?:[/?#]|$)`))
+        // A new workspace can be discovered via a transient slug before the route and sidebar
+        // settle to the canonical workspace path on Windows, so interact with either and assert
+        // against the resolved workspace slug.
+        await waitSlug(page)
+        await expect(page).toHaveURL(new RegExp(`/${next}/session(?:[/?#]|$)`))
 
         // Create a session by sending a prompt
         const prompt = page.locator(promptSelector)
@@ -128,9 +117,9 @@ test("switching back to a project opens the latest workspace session", async ({
 
         const created = sessionIDFromUrl(page.url())
         if (!created) throw new Error(`Failed to get session ID from url: ${page.url()}`)
-        trackSession(created, workspaceDir)
+        trackSession(created, space)
 
-        await expect(page).toHaveURL(new RegExp(`/${workspaceSlug}/session/${created}(?:[/?#]|$)`))
+        await expect(page).toHaveURL(new RegExp(`/${next}/session/${created}(?:[/?#]|$)`))
 
         await openSidebar(page)
 

packages/app/e2e/projects/workspace-new-session.spec.ts

@@ -1,34 +1,10 @@
 import { base64Decode } from "@opencode-ai/util/encode"
 import type { Page } from "@playwright/test"
 import { test, expect } from "../fixtures"
-import { openSidebar, sessionIDFromUrl, setWorkspacesEnabled } from "../actions"
+import { openSidebar, sessionIDFromUrl, setWorkspacesEnabled, slugFromUrl, waitSlug } from "../actions"
 import { promptSelector, workspaceItemSelector, workspaceNewSessionSelector } from "../selectors"
 import { createSdk } from "../utils"
 
-function slugFromUrl(url: string) {
-  return /\/([^/]+)\/session(?:\/|$)/.exec(url)?.[1] ?? ""
-}
-
-async function waitSlug(page: Page, skip: string[] = []) {
-  let prev = ""
-  await expect
-    .poll(
-      () => {
-        const slug = slugFromUrl(page.url())
-        if (!slug) return ""
-        if (skip.includes(slug)) return ""
-        if (slug !== prev) {
-          prev = slug
-          return ""
-        }
-        return slug
-      },
-      { timeout: 45_000 },
-    )
-    .not.toBe("")
-  return slugFromUrl(page.url())
-}
-
 async function waitWorkspaceReady(page: Page, slug: string) {
   await openSidebar(page)
   await expect

packages/app/e2e/projects/workspaces.spec.ts

@@ -14,34 +14,12 @@ import {
   openSidebar,
   openWorkspaceMenu,
   setWorkspacesEnabled,
+  slugFromUrl,
+  waitSlug,
 } from "../actions"
 import { dropdownMenuContentSelector, inlineInputSelector, workspaceItemSelector } from "../selectors"
 import { createSdk, dirSlug } from "../utils"
 
-function slugFromUrl(url: string) {
-  return /\/([^/]+)\/session(?:\/|$)/.exec(url)?.[1] ?? ""
-}
-
-async function waitSlug(page: Page, skip: string[] = []) {
-  let prev = ""
-  await expect
-    .poll(
-      () => {
-        const slug = slugFromUrl(page.url())
-        if (!slug) return ""
-        if (skip.includes(slug)) return ""
-        if (slug !== prev) {
-          prev = slug
-          return ""
-        }
-        return slug
-      },
-      { timeout: 45_000 },
-    )
-    .not.toBe("")
-  return slugFromUrl(page.url())
-}
-
 async function setupWorkspaceTest(page: Page, project: { slug: string }) {
   const rootSlug = project.slug
   await openSidebar(page)
@@ -353,17 +331,7 @@ test("can reorder workspaces by drag and drop", async ({ page, withProject }) =>
       for (const _ of [0, 1]) {
         const prev = slugFromUrl(page.url())
         await page.getByRole("button", { name: "New workspace" }).first().click()
-        await expect
-          .poll(
-            () => {
-              const slug = slugFromUrl(page.url())
-              return slug.length > 0 && slug !== rootSlug && slug !== prev
-            },
-            { timeout: 45_000 },
-          )
-          .toBe(true)
-
-        const slug = slugFromUrl(page.url())
+        const slug = await waitSlug(page, [rootSlug, prev])
         const dir = base64Decode(slug)
         workspaces.push({ slug, directory: dir })
 

packages/app/e2e/prompt/prompt-slash-terminal.spec.ts

@@ -9,14 +9,12 @@ test("/terminal toggles the terminal panel", async ({ page, gotoSession }) => {
 
   await expect(terminal).not.toBeVisible()
 
-  await prompt.click()
-  await page.keyboard.type("/terminal")
+  await prompt.fill("/terminal")
   await expect(page.locator('[data-slash-id="terminal.toggle"]').first()).toBeVisible()
   await page.keyboard.press("Enter")
   await expect(terminal).toBeVisible()
 
-  await prompt.click()
-  await page.keyboard.type("/terminal")
+  await prompt.fill("/terminal")
   await expect(page.locator('[data-slash-id="terminal.toggle"]').first()).toBeVisible()
   await page.keyboard.press("Enter")
   await expect(terminal).not.toBeVisible()

packages/app/e2e/selectors.ts

@@ -1,5 +1,6 @@
 export const promptSelector = '[data-component="prompt-input"]'
-export const terminalSelector = '[data-component="terminal"]'
+export const terminalPanelSelector = '#terminal-panel[aria-hidden="false"]'
+export const terminalSelector = `${terminalPanelSelector} [data-component="terminal"]`
 export const sessionComposerDockSelector = '[data-component="session-prompt-dock"]'
 export const questionDockSelector = '[data-component="dock-prompt"][data-kind="question"]'
 export const permissionDockSelector = '[data-component="dock-prompt"][data-kind="permission"]'
@@ -30,8 +31,6 @@ export const sidebarNavSelector = '[data-component="sidebar-nav-desktop"]'
 export const projectSwitchSelector = (slug: string) =>
   `${sidebarNavSelector} [data-action="project-switch"][data-project="${slug}"]`
 
-export const projectCloseHoverSelector = (slug: string) => `[data-action="project-close-hover"][data-project="${slug}"]`
-
 export const projectMenuTriggerSelector = (slug: string) =>
   `${sidebarNavSelector} [data-action="project-menu"][data-project="${slug}"]`
 

packages/app/e2e/session/session-review.spec.ts

@@ -0,0 +1,216 @@
+import { waitSessionIdle, withSession } from "../actions"
+import { test, expect } from "../fixtures"
+import { createSdk } from "../utils"
+
+const count = 14
+
+function body(mark: string) {
+  return [
+    `title ${mark}`,
+    `mark ${mark}`,
+    ...Array.from({ length: 32 }, (_, i) => `line ${String(i + 1).padStart(2, "0")} ${mark}`),
+  ]
+}
+
+function files(tag: string) {
+  return Array.from({ length: count }, (_, i) => {
+    const id = String(i).padStart(2, "0")
+    return {
+      file: `review-scroll-${id}.txt`,
+      mark: `${tag}-${id}`,
+    }
+  })
+}
+
+function seed(list: ReturnType<typeof files>) {
+  const out = ["*** Begin Patch"]
+
+  for (const item of list) {
+    out.push(`*** Add File: ${item.file}`)
+    for (const line of body(item.mark)) out.push(`+${line}`)
+  }
+
+  out.push("*** End Patch")
+  return out.join("\n")
+}
+
+function edit(file: string, prev: string, next: string) {
+  return ["*** Begin Patch", `*** Update File: ${file}`, "@@", `-mark ${prev}`, `+mark ${next}`, "*** End Patch"].join(
+    "\n",
+  )
+}
+
+async function patch(sdk: ReturnType<typeof createSdk>, sessionID: string, patchText: string) {
+  await sdk.session.promptAsync({
+    sessionID,
+    agent: "build",
+    system: [
+      "You are seeding deterministic e2e UI state.",
+      "Your only valid response is one apply_patch tool call.",
+      `Use this JSON input: ${JSON.stringify({ patchText })}`,
+      "Do not call any other tools.",
+      "Do not output plain text.",
+    ].join("\n"),
+    parts: [{ type: "text", text: "Apply the provided patch exactly once." }],
+  })
+
+  await waitSessionIdle(sdk, sessionID, 120_000)
+}
+
+async function show(page: Parameters<typeof test>[0]["page"]) {
+  const btn = page.getByRole("button", { name: "Toggle review" }).first()
+  await expect(btn).toBeVisible()
+  if ((await btn.getAttribute("aria-expanded")) !== "true") await btn.click()
+  await expect(btn).toHaveAttribute("aria-expanded", "true")
+}
+
+async function expand(page: Parameters<typeof test>[0]["page"]) {
+  const close = page.getByRole("button", { name: /^Collapse all$/i }).first()
+  const open = await close
+    .isVisible()
+    .then((value) => value)
+    .catch(() => false)
+
+  const btn = page.getByRole("button", { name: /^Expand all$/i }).first()
+  if (open) {
+    await close.click()
+    await expect(btn).toBeVisible()
+  }
+
+  await expect(btn).toBeVisible()
+  await btn.click()
+  await expect(close).toBeVisible()
+}
+
+async function waitMark(page: Parameters<typeof test>[0]["page"], file: string, mark: string) {
+  await page.waitForFunction(
+    ({ file, mark }) => {
+      const view = document.querySelector('[data-slot="session-review-scroll"] .scroll-view__viewport')
+      if (!(view instanceof HTMLElement)) return false
+
+      const head = Array.from(view.querySelectorAll("h3")).find(
+        (node) => node instanceof HTMLElement && node.textContent?.includes(file),
+      )
+      if (!(head instanceof HTMLElement)) return false
+
+      return Array.from(head.parentElement?.querySelectorAll("diffs-container") ?? []).some((host) => {
+        if (!(host instanceof HTMLElement)) return false
+        const root = host.shadowRoot
+        return root?.textContent?.includes(`mark ${mark}`) ?? false
+      })
+    },
+    { file, mark },
+    { timeout: 60_000 },
+  )
+}
+
+async function spot(page: Parameters<typeof test>[0]["page"], file: string) {
+  return page.evaluate((file) => {
+    const view = document.querySelector('[data-slot="session-review-scroll"] .scroll-view__viewport')
+    if (!(view instanceof HTMLElement)) return null
+
+    const row = Array.from(view.querySelectorAll("h3")).find(
+      (node) => node instanceof HTMLElement && node.textContent?.includes(file),
+    )
+    if (!(row instanceof HTMLElement)) return null
+
+    const a = row.getBoundingClientRect()
+    const b = view.getBoundingClientRect()
+    return {
+      top: a.top - b.top,
+      y: view.scrollTop,
+    }
+  }, file)
+}
+
+test("review keeps scroll position after a live diff update", async ({ page, withProject }) => {
+  test.setTimeout(180_000)
+
+  const tag = `review-${Date.now()}`
+  const list = files(tag)
+  const hit = list[list.length - 4]!
+  const next = `${tag}-live`
+
+  await page.setViewportSize({ width: 1600, height: 1000 })
+
+  await withProject(async (project) => {
+    const sdk = createSdk(project.directory)
+
+    await withSession(sdk, `e2e review ${tag}`, async (session) => {
+      await patch(sdk, session.id, seed(list))
+
+      await expect
+        .poll(
+          async () => {
+            const info = await sdk.session.get({ sessionID: session.id }).then((res) => res.data)
+            return info?.summary?.files ?? 0
+          },
+          { timeout: 60_000 },
+        )
+        .toBe(list.length)
+
+      await expect
+        .poll(
+          async () => {
+            const diff = await sdk.session.diff({ sessionID: session.id }).then((res) => res.data ?? [])
+            return diff.length
+          },
+          { timeout: 60_000 },
+        )
+        .toBe(list.length)
+
+      await project.gotoSession(session.id)
+      await show(page)
+
+      const tab = page.getByRole("tab", { name: /Review/i }).first()
+      await expect(tab).toBeVisible()
+      await tab.click()
+
+      const view = page.locator('[data-slot="session-review-scroll"] .scroll-view__viewport').first()
+      await expect(view).toBeVisible()
+      const heads = page.getByRole("heading", { level: 3 }).filter({ hasText: /^review-scroll-/ })
+      await expect(heads).toHaveCount(list.length, {
+        timeout: 60_000,
+      })
+
+      await expand(page)
+      await waitMark(page, hit.file, hit.mark)
+
+      const row = page
+        .getByRole("heading", { level: 3, name: new RegExp(hit.file.replace(/[.*+?^${}()|[\]\\]/g, "\\$&")) })
+        .first()
+      await expect(row).toBeVisible()
+      await row.evaluate((el) => el.scrollIntoView({ block: "center" }))
+
+      await expect.poll(async () => (await spot(page, hit.file))?.y ?? 0).toBeGreaterThan(200)
+      const prev = await spot(page, hit.file)
+      if (!prev) throw new Error(`missing review row for ${hit.file}`)
+
+      await patch(sdk, session.id, edit(hit.file, hit.mark, next))
+
+      await expect
+        .poll(
+          async () => {
+            const diff = await sdk.session.diff({ sessionID: session.id }).then((res) => res.data ?? [])
+            const item = diff.find((item) => item.file === hit.file)
+            return typeof item?.after === "string" ? item.after : ""
+          },
+          { timeout: 60_000 },
+        )
+        .toContain(`mark ${next}`)
+
+      await waitMark(page, hit.file, next)
+
+      await expect
+        .poll(
+          async () => {
+            const next = await spot(page, hit.file)
+            if (!next) return Number.POSITIVE_INFINITY
+            return Math.max(Math.abs(next.top - prev.top), Math.abs(next.y - prev.y))
+          },
+          { timeout: 60_000 },
+        )
+        .toBeLessThanOrEqual(32)
+    })
+  })
+})

packages/app/e2e/session/session-undo-redo.spec.ts

@@ -45,7 +45,7 @@ async function seedConversation(input: {
     .toBe(true)
 
   if (!userMessageID) throw new Error("Expected a user message id")
-  await expect(input.page.locator(`[data-message-id="${userMessageID}"]`).first()).toBeVisible({ timeout: 30_000 })
+  await expect(input.page.locator(`[data-message-id="${userMessageID}"]`)).toHaveCount(1, { timeout: 30_000 })
   return { prompt, userMessageID }
 }
 
@@ -123,7 +123,7 @@ test("slash redo clears revert and restores latest state", async ({ page, withPr
         .toBeUndefined()
 
       await expect(seeded.prompt).not.toContainText(token)
-      await expect(page.locator(`[data-message-id="${seeded.userMessageID}"]`).first()).toBeVisible()
+      await expect(page.locator(`[data-message-id="${seeded.userMessageID}"]`)).toHaveCount(1)
     })
   })
 })
@@ -158,8 +158,8 @@ test("slash undo/redo traverses multi-step revert stack", async ({ page, withPro
       const firstMessage = page.locator(`[data-message-id="${first.userMessageID}"]`)
       const secondMessage = page.locator(`[data-message-id="${second.userMessageID}"]`)
 
-      await expect(firstMessage.first()).toBeVisible()
-      await expect(secondMessage.first()).toBeVisible()
+      await expect(firstMessage).toHaveCount(1)
+      await expect(secondMessage).toHaveCount(1)
 
       await second.prompt.click()
       await page.keyboard.press(`${modKey}+A`)
@@ -176,7 +176,7 @@ test("slash undo/redo traverses multi-step revert stack", async ({ page, withPro
         })
         .toBe(second.userMessageID)
 
-      await expect(firstMessage.first()).toBeVisible()
+      await expect(firstMessage).toHaveCount(1)
       await expect(secondMessage).toHaveCount(0)
 
       await second.prompt.click()
@@ -210,7 +210,7 @@ test("slash undo/redo traverses multi-step revert stack", async ({ page, withPro
         })
         .toBe(second.userMessageID)
 
-      await expect(firstMessage.first()).toBeVisible()
+      await expect(firstMessage).toHaveCount(1)
       await expect(secondMessage).toHaveCount(0)
 
       await second.prompt.click()
@@ -226,8 +226,8 @@ test("slash undo/redo traverses multi-step revert stack", async ({ page, withPro
         })
         .toBeUndefined()
 
-      await expect(firstMessage.first()).toBeVisible()
-      await expect(secondMessage.first()).toBeVisible()
+      await expect(firstMessage).toHaveCount(1)
+      await expect(secondMessage).toHaveCount(1)
     })
   })
 })

packages/app/e2e/settings/settings.spec.ts

@@ -83,16 +83,23 @@ test("changing theme persists in localStorage", async ({ page, gotoSession }) =>
   const select = dialog.locator(settingsThemeSelector)
   await expect(select).toBeVisible()
 
+  const currentThemeId = await page.evaluate(() => {
+    return document.documentElement.getAttribute("data-theme")
+  })
+  const currentTheme = (await select.locator('[data-slot="select-select-trigger-value"]').textContent())?.trim() ?? ""
+
   await select.locator('[data-slot="select-select-trigger"]').click()
 
   const items = page.locator('[data-slot="select-select-item"]')
   const count = await items.count()
   expect(count).toBeGreaterThan(1)
 
-  const firstTheme = await items.nth(1).locator('[data-slot="select-select-item-label"]').textContent()
-  expect(firstTheme).toBeTruthy()
+  const nextTheme = (await items.locator('[data-slot="select-select-item-label"]').allTextContents())
+    .map((x) => x.trim())
+    .find((x) => x && x !== currentTheme)
+  expect(nextTheme).toBeTruthy()
 
-  await items.nth(1).click()
+  await items.filter({ hasText: nextTheme! }).first().click()
 
   await page.keyboard.press("Escape")
 
@@ -101,7 +108,7 @@ test("changing theme persists in localStorage", async ({ page, gotoSession }) =>
   })
 
   expect(storedThemeId).not.toBeNull()
-  expect(storedThemeId).not.toBe("oc-1")
+  expect(storedThemeId).not.toBe(currentThemeId)
 
   const dataTheme = await page.evaluate(() => {
     return document.documentElement.getAttribute("data-theme")
@@ -109,6 +116,42 @@ test("changing theme persists in localStorage", async ({ page, gotoSession }) =>
   expect(dataTheme).toBe(storedThemeId)
 })
 
+test("legacy oc-1 theme migrates to oc-2", async ({ page, gotoSession }) => {
+  await page.addInitScript(() => {
+    localStorage.setItem("opencode-theme-id", "oc-1")
+    localStorage.setItem("opencode-theme-css-light", "--background-base:#fff;")
+    localStorage.setItem("opencode-theme-css-dark", "--background-base:#000;")
+  })
+
+  await gotoSession()
+
+  await expect(page.locator("html")).toHaveAttribute("data-theme", "oc-2")
+
+  await expect
+    .poll(async () => {
+      return await page.evaluate(() => {
+        return localStorage.getItem("opencode-theme-id")
+      })
+    })
+    .toBe("oc-2")
+
+  await expect
+    .poll(async () => {
+      return await page.evaluate(() => {
+        return localStorage.getItem("opencode-theme-css-light")
+      })
+    })
+    .toBeNull()
+
+  await expect
+    .poll(async () => {
+      return await page.evaluate(() => {
+        return localStorage.getItem("opencode-theme-css-dark")
+      })
+    })
+    .toBeNull()
+})
+
 test("changing font persists in localStorage and updates CSS variable", async ({ page, gotoSession }) => {
   await gotoSession()
 

packages/app/e2e/terminal/terminal-tabs.spec.ts

@@ -44,12 +44,14 @@ async function store(page: Page, key: string) {
   }, key)
 }
 
-test("terminal tab buffers persist across tab switches", async ({ page, withProject }) => {
+test("inactive terminal tab buffers persist across tab switches", async ({ page, withProject }) => {
   await withProject(async ({ directory, gotoSession }) => {
     const key = workspacePersistKey(directory, "terminal")
     const one = `E2E_TERM_ONE_${Date.now()}`
     const two = `E2E_TERM_TWO_${Date.now()}`
     const tabs = page.locator('#terminal-panel [data-slot="tabs-trigger"]')
+    const first = tabs.filter({ hasText: /Terminal 1/ }).first()
+    const second = tabs.filter({ hasText: /Terminal 2/ }).first()
 
     await gotoSession()
     await open(page)
@@ -61,22 +63,39 @@ test("terminal tab buffers persist across tab switches", async ({ page, withProj
 
     await run(page, `echo ${two}`)
 
-    await tabs
-      .filter({ hasText: /Terminal 1/ })
-      .first()
-      .click()
-
+    await first.click()
+    await expect(first).toHaveAttribute("aria-selected", "true")
     await expect
       .poll(
         async () => {
           const state = await store(page, key)
           const first = state?.all.find((item) => item.titleNumber === 1)?.buffer ?? ""
           const second = state?.all.find((item) => item.titleNumber === 2)?.buffer ?? ""
-          return first.includes(one) && second.includes(two)
+          return {
+            first: first.includes(one),
+            second: second.includes(two),
+          }
         },
         { timeout: 30_000 },
       )
-      .toBe(true)
+      .toEqual({ first: false, second: true })
+
+    await second.click()
+    await expect(second).toHaveAttribute("aria-selected", "true")
+    await expect
+      .poll(
+        async () => {
+          const state = await store(page, key)
+          const first = state?.all.find((item) => item.titleNumber === 1)?.buffer ?? ""
+          const second = state?.all.find((item) => item.titleNumber === 2)?.buffer ?? ""
+          return {
+            first: first.includes(one),
+            second: second.includes(two),
+          }
+        },
+        { timeout: 30_000 },
+      )
+      .toEqual({ first: true, second: false })
   })
 })
 

packages/app/e2e/utils.ts

@@ -7,6 +7,22 @@ export const serverPort = process.env.PLAYWRIGHT_SERVER_PORT ?? "4096"
 export const serverUrl = `http://${serverHost}:${serverPort}`
 export const serverName = `${serverHost}:${serverPort}`
 
+const localHosts = ["127.0.0.1", "localhost"]
+
+const serverLabels = (() => {
+  const url = new URL(serverUrl)
+  if (!localHosts.includes(url.hostname)) return [serverName]
+  return localHosts.map((host) => `${host}:${url.port}`)
+})()
+
+export const serverNames = [...new Set(serverLabels)]
+
+export const serverUrls = serverNames.map((name) => `http://${name}`)
+
+const escape = (value: string) => value.replace(/[.*+?^${}()|[\]\\]/g, "\\$&")
+
+export const serverNamePattern = new RegExp(`(?:${serverNames.map(escape).join("|")})`)
+
 export const modKey = process.platform === "darwin" ? "Meta" : "Control"
 export const terminalToggleKey = "Control+Backquote"
 
@@ -41,7 +57,7 @@ export function sessionPath(directory: string, sessionID?: string) {
 }
 
 export function workspacePersistKey(directory: string, key: string) {
-  const head = directory.slice(0, 12) || "workspace"
+  const head = (directory.slice(0, 12) || "workspace").replace(/[^a-zA-Z0-9._-]/g, "-")
   const sum = checksum(directory) ?? "0"
   return `opencode.workspace.${head}.${sum}.dat:workspace:${key}`
 }

packages/app/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@opencode-ai/app",
-  "version": "1.2.20",
+  "version": "1.2.24",
   "description": "",
   "type": "module",
   "exports": {

packages/app/public/oc-theme-preload.js

@@ -1,6 +1,13 @@
 ;(function () {
-  var themeId = localStorage.getItem("opencode-theme-id")
-  if (!themeId) return
+  var key = "opencode-theme-id"
+  var themeId = localStorage.getItem(key) || "oc-2"
+
+  if (themeId === "oc-1") {
+    themeId = "oc-2"
+    localStorage.setItem(key, themeId)
+    localStorage.removeItem("opencode-theme-css-light")
+    localStorage.removeItem("opencode-theme-css-dark")
+  }
 
   var scheme = localStorage.getItem("opencode-color-scheme") || "system"
   var isDark = scheme === "dark" || (scheme === "system" && matchMedia("(prefers-color-scheme: dark)").matches)
@@ -9,9 +16,9 @@
   document.documentElement.dataset.theme = themeId
   document.documentElement.dataset.colorScheme = mode
 
-  if (themeId === "oc-1") return
+  if (themeId === "oc-2") return
 
-  var css = localStorage.getItem("opencode-theme-css-" + themeId + "-" + mode)
+  var css = localStorage.getItem("opencode-theme-css-" + mode)
   if (css) {
     var style = document.createElement("style")
     style.id = "oc-theme-preload"

packages/app/src/components/debug-bar.tsx

@@ -0,0 +1,441 @@
+import { useIsRouting, useLocation } from "@solidjs/router"
+import { batch, createEffect, onCleanup, onMount } from "solid-js"
+import { createStore } from "solid-js/store"
+import { Tooltip } from "@opencode-ai/ui/tooltip"
+
+type Mem = Performance & {
+  memory?: {
+    usedJSHeapSize: number
+    jsHeapSizeLimit: number
+  }
+}
+
+type Evt = PerformanceEntry & {
+  interactionId?: number
+  processingStart?: number
+}
+
+type Shift = PerformanceEntry & {
+  hadRecentInput: boolean
+  value: number
+}
+
+type Obs = PerformanceObserverInit & {
+  durationThreshold?: number
+}
+
+const span = 5000
+
+const ms = (n?: number, d = 0) => {
+  if (n === undefined || Number.isNaN(n)) return "n/a"
+  return `${n.toFixed(d)}ms`
+}
+
+const time = (n?: number) => {
+  if (n === undefined || Number.isNaN(n)) return "n/a"
+  return `${Math.round(n)}`
+}
+
+const mb = (n?: number) => {
+  if (n === undefined || Number.isNaN(n)) return "n/a"
+  const v = n / 1024 / 1024
+  return `${v >= 1024 ? v.toFixed(0) : v.toFixed(1)}MB`
+}
+
+const bad = (n: number | undefined, limit: number, low = false) => {
+  if (n === undefined || Number.isNaN(n)) return false
+  return low ? n < limit : n > limit
+}
+
+const session = (path: string) => path.includes("/session")
+
+function Cell(props: { bad?: boolean; dim?: boolean; label: string; tip: string; value: string; wide?: boolean }) {
+  return (
+    <Tooltip value={props.tip} placement="top">
+      <div
+        classList={{
+          "flex min-h-[42px] w-full min-w-0 flex-col items-center justify-center rounded-[8px] bg-white/5 px-0.5 py-1 text-center": true,
+          "col-span-2": !!props.wide,
+        }}
+      >
+        <div class="text-[10px] leading-none font-black uppercase tracking-[0.04em] opacity-70">{props.label}</div>
+        <div
+          classList={{
+            "text-[13px] leading-none font-bold tabular-nums sm:text-[14px]": true,
+            "text-text-on-critical-base": !!props.bad,
+            "opacity-70": !!props.dim,
+          }}
+        >
+          {props.value}
+        </div>
+      </div>
+    </Tooltip>
+  )
+}
+
+export function DebugBar() {
+  const location = useLocation()
+  const routing = useIsRouting()
+  const [state, setState] = createStore({
+    cls: undefined as number | undefined,
+    delay: undefined as number | undefined,
+    fps: undefined as number | undefined,
+    gap: undefined as number | undefined,
+    heap: {
+      limit: undefined as number | undefined,
+      used: undefined as number | undefined,
+    },
+    inp: undefined as number | undefined,
+    jank: undefined as number | undefined,
+    long: {
+      block: undefined as number | undefined,
+      count: undefined as number | undefined,
+      max: undefined as number | undefined,
+    },
+    nav: {
+      dur: undefined as number | undefined,
+      pending: false,
+    },
+  })
+
+  const heap = () => (state.heap.limit ? (state.heap.used ?? 0) / state.heap.limit : undefined)
+  const heapv = () => {
+    const value = heap()
+    if (value === undefined) return "n/a"
+    return `${Math.round(value * 100)}%`
+  }
+  const longv = () => (state.long.count === undefined ? "n/a" : `${time(state.long.block)}/${state.long.count}`)
+  const navv = () => (state.nav.pending ? "..." : time(state.nav.dur))
+
+  let prev = ""
+  let start = 0
+  let init = false
+  let one = 0
+  let two = 0
+
+  createEffect(() => {
+    const busy = routing()
+    const next = `${location.pathname}${location.search}`
+
+    if (!init) {
+      init = true
+      prev = next
+      return
+    }
+
+    if (busy) {
+      if (one !== 0) cancelAnimationFrame(one)
+      if (two !== 0) cancelAnimationFrame(two)
+      one = 0
+      two = 0
+      if (start !== 0) return
+      start = performance.now()
+      if (session(prev)) setState("nav", { dur: undefined, pending: true })
+      return
+    }
+
+    if (start === 0) {
+      prev = next
+      return
+    }
+
+    const at = start
+    const from = prev
+    start = 0
+    prev = next
+
+    if (!(session(from) || session(next))) return
+
+    if (one !== 0) cancelAnimationFrame(one)
+    if (two !== 0) cancelAnimationFrame(two)
+    one = requestAnimationFrame(() => {
+      one = 0
+      two = requestAnimationFrame(() => {
+        two = 0
+        setState("nav", { dur: performance.now() - at, pending: false })
+      })
+    })
+  })
+
+  onMount(() => {
+    const obs: PerformanceObserver[] = []
+    const fps: Array<{ at: number; dur: number }> = []
+    const long: Array<{ at: number; dur: number }> = []
+    const seen = new Map<number | string, { at: number; delay: number; dur: number }>()
+    let hasLong = false
+    let poll: number | undefined
+    let raf = 0
+    let last = 0
+    let snap = 0
+
+    const trim = (list: Array<{ at: number; dur: number }>, span: number, at: number) => {
+      while (list[0] && at - list[0].at > span) list.shift()
+    }
+
+    const syncFrame = (at: number) => {
+      trim(fps, span, at)
+      const total = fps.reduce((sum, entry) => sum + entry.dur, 0)
+      const gap = fps.reduce((max, entry) => Math.max(max, entry.dur), 0)
+      const jank = fps.filter((entry) => entry.dur > 32).length
+      batch(() => {
+        setState("fps", total > 0 ? (fps.length * 1000) / total : undefined)
+        setState("gap", gap > 0 ? gap : undefined)
+        setState("jank", jank)
+      })
+    }
+
+    const syncLong = (at = performance.now()) => {
+      if (!hasLong) return
+      trim(long, span, at)
+      const block = long.reduce((sum, entry) => sum + Math.max(0, entry.dur - 50), 0)
+      const max = long.reduce((hi, entry) => Math.max(hi, entry.dur), 0)
+      setState("long", { block, count: long.length, max })
+    }
+
+    const syncInp = (at = performance.now()) => {
+      for (const [key, entry] of seen) {
+        if (at - entry.at > span) seen.delete(key)
+      }
+      let delay = 0
+      let inp = 0
+      for (const entry of seen.values()) {
+        delay = Math.max(delay, entry.delay)
+        inp = Math.max(inp, entry.dur)
+      }
+      batch(() => {
+        setState("delay", delay > 0 ? delay : undefined)
+        setState("inp", inp > 0 ? inp : undefined)
+      })
+    }
+
+    const syncHeap = () => {
+      const mem = (performance as Mem).memory
+      if (!mem) return
+      setState("heap", { limit: mem.jsHeapSizeLimit, used: mem.usedJSHeapSize })
+    }
+
+    const reset = () => {
+      fps.length = 0
+      long.length = 0
+      seen.clear()
+      last = 0
+      snap = 0
+      batch(() => {
+        setState("fps", undefined)
+        setState("gap", undefined)
+        setState("jank", undefined)
+        setState("delay", undefined)
+        setState("inp", undefined)
+        if (hasLong) setState("long", { block: 0, count: 0, max: 0 })
+      })
+    }
+
+    const watch = (type: string, init: Obs, fn: (entries: PerformanceEntry[]) => void) => {
+      if (typeof PerformanceObserver === "undefined") return false
+      if (!(PerformanceObserver.supportedEntryTypes ?? []).includes(type)) return false
+      const ob = new PerformanceObserver((list) => fn(list.getEntries()))
+      try {
+        ob.observe(init)
+        obs.push(ob)
+        return true
+      } catch {
+        ob.disconnect()
+        return false
+      }
+    }
+
+    if (
+      watch("layout-shift", { buffered: true, type: "layout-shift" }, (entries) => {
+        const add = entries.reduce((sum, entry) => {
+          const item = entry as Shift
+          if (item.hadRecentInput) return sum
+          return sum + item.value
+        }, 0)
+        if (add === 0) return
+        setState("cls", (value) => (value ?? 0) + add)
+      })
+    ) {
+      setState("cls", 0)
+    }
+
+    if (
+      watch("longtask", { buffered: true, type: "longtask" }, (entries) => {
+        const at = performance.now()
+        long.push(...entries.map((entry) => ({ at: entry.startTime, dur: entry.duration })))
+        syncLong(at)
+      })
+    ) {
+      hasLong = true
+      setState("long", { block: 0, count: 0, max: 0 })
+    }
+
+    watch("event", { buffered: true, durationThreshold: 16, type: "event" }, (entries) => {
+      for (const raw of entries) {
+        const entry = raw as Evt
+        if (entry.duration < 16) continue
+        const key =
+          entry.interactionId && entry.interactionId > 0
+            ? entry.interactionId
+            : `${entry.name}:${Math.round(entry.startTime)}`
+        const prev = seen.get(key)
+        const delay = Math.max(0, (entry.processingStart ?? entry.startTime) - entry.startTime)
+        seen.set(key, {
+          at: entry.startTime,
+          delay: Math.max(prev?.delay ?? 0, delay),
+          dur: Math.max(prev?.dur ?? 0, entry.duration),
+        })
+        if (seen.size <= 200) continue
+        const first = seen.keys().next().value
+        if (first !== undefined) seen.delete(first)
+      }
+      syncInp()
+    })
+
+    const loop = (at: number) => {
+      if (document.visibilityState !== "visible") {
+        raf = 0
+        return
+      }
+
+      if (last === 0) {
+        last = at
+        raf = requestAnimationFrame(loop)
+        return
+      }
+
+      fps.push({ at, dur: at - last })
+      last = at
+
+      if (at - snap >= 250) {
+        snap = at
+        syncFrame(at)
+      }
+
+      raf = requestAnimationFrame(loop)
+    }
+
+    const stop = () => {
+      if (raf !== 0) cancelAnimationFrame(raf)
+      raf = 0
+      if (poll === undefined) return
+      clearInterval(poll)
+      poll = undefined
+    }
+
+    const start = () => {
+      if (document.visibilityState !== "visible") return
+      if (poll === undefined) {
+        poll = window.setInterval(() => {
+          syncLong()
+          syncInp()
+          syncHeap()
+        }, 1000)
+      }
+      if (raf !== 0) return
+      raf = requestAnimationFrame(loop)
+    }
+
+    const vis = () => {
+      if (document.visibilityState !== "visible") {
+        stop()
+        return
+      }
+      reset()
+      start()
+    }
+
+    syncHeap()
+    start()
+    document.addEventListener("visibilitychange", vis)
+
+    onCleanup(() => {
+      if (one !== 0) cancelAnimationFrame(one)
+      if (two !== 0) cancelAnimationFrame(two)
+      stop()
+      document.removeEventListener("visibilitychange", vis)
+      for (const ob of obs) ob.disconnect()
+    })
+  })
+
+  return (
+    <aside
+      aria-label="Development performance diagnostics"
+      class="pointer-events-auto fixed bottom-3 right-3 z-50 w-[308px] max-w-[calc(100vw-1.5rem)] overflow-hidden rounded-xl border p-0.5 text-text-on-interactive-base shadow-[var(--shadow-lg-border-base)] sm:bottom-4 sm:right-4 sm:w-[324px]"
+      style={{
+        "background-color": "color-mix(in srgb, var(--icon-interactive-base) 42%, black)",
+        "border-color": "color-mix(in srgb, white 14%, transparent)",
+      }}
+    >
+      <div class="grid grid-cols-5 gap-px font-mono">
+        <Cell
+          label="NAV"
+          tip="Last completed route transition touching a session page, measured from router start until the first paint after it settles."
+          value={navv()}
+          bad={bad(state.nav.dur, 400)}
+          dim={state.nav.dur === undefined && !state.nav.pending}
+        />
+        <Cell
+          label="FPS"
+          tip="Rolling frames per second over the last 5 seconds."
+          value={state.fps === undefined ? "n/a" : `${Math.round(state.fps)}`}
+          bad={bad(state.fps, 50, true)}
+          dim={state.fps === undefined}
+        />
+        <Cell
+          label="FRM"
+          tip="Worst frame time over the last 5 seconds."
+          value={time(state.gap)}
+          bad={bad(state.gap, 50)}
+          dim={state.gap === undefined}
+        />
+        <Cell
+          label="JNK"
+          tip="Frames over 32ms in the last 5 seconds."
+          value={state.jank === undefined ? "n/a" : `${state.jank}`}
+          bad={bad(state.jank, 8)}
+          dim={state.jank === undefined}
+        />
+        <Cell
+          label="LNG"
+          tip={`Blocked time and long-task count in the last 5 seconds. Max task: ${ms(state.long.max)}.`}
+          value={longv()}
+          bad={bad(state.long.block, 200)}
+          dim={state.long.count === undefined}
+        />
+        <Cell
+          label="DLY"
+          tip="Worst observed input delay in the last 5 seconds."
+          value={time(state.delay)}
+          bad={bad(state.delay, 100)}
+          dim={state.delay === undefined}
+        />
+        <Cell
+          label="INP"
+          tip="Approximate interaction duration over the last 5 seconds. This is INP-like, not the official Web Vitals INP."
+          value={time(state.inp)}
+          bad={bad(state.inp, 200)}
+          dim={state.inp === undefined}
+        />
+        <Cell
+          label="CLS"
+          tip="Cumulative layout shift for the current app lifetime."
+          value={state.cls === undefined ? "n/a" : state.cls.toFixed(2)}
+          bad={bad(state.cls, 0.1)}
+          dim={state.cls === undefined}
+        />
+        <Cell
+          label="MEM"
+          tip={
+            state.heap.used === undefined
+              ? "Used JS heap vs heap limit. Chromium only."
+              : `Used JS heap vs heap limit. ${mb(state.heap.used)} of ${mb(state.heap.limit)}.`
+          }
+          value={heapv()}
+          bad={bad(heap(), 0.8)}
+          dim={state.heap.used === undefined}
+          wide
+        />
+      </div>
+    </aside>
+  )
+}

packages/app/src/components/prompt-input.tsx

@@ -490,6 +490,18 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
     setComposing(false)
   }
 
+  const handleCompositionStart = () => {
+    setComposing(true)
+  }
+
+  const handleCompositionEnd = () => {
+    setComposing(false)
+    requestAnimationFrame(() => {
+      if (composing()) return
+      reconcile(prompt.current().filter((part) => part.type !== "image"))
+    })
+  }
+
   const agentList = createMemo(() =>
     sync.data.agent
       .filter((agent) => !agent.hidden && agent.mode !== "primary")
@@ -680,24 +692,27 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
     }
   }
 
+  const reconcile = (input: Prompt) => {
+    if (mirror.input) {
+      mirror.input = false
+      if (isNormalizedEditor()) return
+
+      renderEditorWithCursor(input)
+      return
+    }
+
+    const dom = parseFromDOM()
+    if (isNormalizedEditor() && isPromptEqual(input, dom)) return
+
+    renderEditorWithCursor(input)
+  }
+
   createEffect(
     on(
       () => prompt.current(),
-      (currentParts) => {
-        const inputParts = currentParts.filter((part) => part.type !== "image")
-
-        if (mirror.input) {
-          mirror.input = false
-          if (isNormalizedEditor()) return
-
-          renderEditorWithCursor(inputParts)
-          return
-        }
-
-        const domParts = parseFromDOM()
-        if (isNormalizedEditor() && isPromptEqual(inputParts, domParts)) return
-
-        renderEditorWithCursor(inputParts)
+      (parts) => {
+        if (composing()) return
+        reconcile(parts.filter((part) => part.type !== "image"))
       },
     ),
   )
@@ -1208,8 +1223,8 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
               spellcheck={store.mode === "normal"}
               onInput={handleInput}
               onPaste={handlePaste}
-              onCompositionStart={() => setComposing(true)}
-              onCompositionEnd={() => setComposing(false)}
+              onCompositionStart={handleCompositionStart}
+              onCompositionEnd={handleCompositionEnd}
               onBlur={handleBlur}
               onKeyDown={handleKeyDown}
               classList={{

packages/app/src/components/prompt-input/submit.test.ts

@@ -6,10 +6,19 @@ let createPromptSubmit: typeof import("./submit").createPromptSubmit
 const createdClients: string[] = []
 const createdSessions: string[] = []
 const enabledAutoAccept: Array<{ sessionID: string; directory: string }> = []
+const optimistic: Array<{
+  message: {
+    agent: string
+    model: { providerID: string; modelID: string }
+    variant?: string
+  }
+}> = []
 const sentShell: string[] = []
 const syncedDirectories: string[] = []
 
+let params: { id?: string } = {}
 let selected = "/repo/worktree-a"
+let variant: string | undefined
 
 const promptValue: Prompt = [{ type: "text", content: "ls", start: 0, end: 2 }]
 
@@ -26,6 +35,7 @@ const clientFor = (directory: string) => {
         return { data: undefined }
       },
       prompt: async () => ({ data: undefined }),
+      promptAsync: async () => ({ data: undefined }),
       command: async () => ({ data: undefined }),
       abort: async () => ({ data: undefined }),
     },
@@ -40,7 +50,7 @@ beforeAll(async () => {
 
   mock.module("@solidjs/router", () => ({
     useNavigate: () => () => undefined,
-    useParams: () => ({}),
+    useParams: () => params,
   }))
 
   mock.module("@opencode-ai/sdk/v2/client", () => ({
@@ -62,7 +72,7 @@ beforeAll(async () => {
     useLocal: () => ({
       model: {
         current: () => ({ id: "model", provider: { id: "provider" } }),
-        variant: { current: () => undefined },
+        variant: { current: () => variant },
       },
       agent: {
         current: () => ({ name: "agent" }),
@@ -118,7 +128,11 @@ beforeAll(async () => {
       data: { command: [] },
       session: {
         optimistic: {
-          add: () => undefined,
+          add: (value: {
+            message: { agent: string; model: { providerID: string; modelID: string }; variant?: string }
+          }) => {
+            optimistic.push(value)
+          },
           remove: () => undefined,
         },
       },
@@ -155,9 +169,12 @@ beforeEach(() => {
   createdClients.length = 0
   createdSessions.length = 0
   enabledAutoAccept.length = 0
+  optimistic.length = 0
+  params = {}
   sentShell.length = 0
   syncedDirectories.length = 0
   selected = "/repo/worktree-a"
+  variant = undefined
 })
 
 describe("prompt submit worktree selection", () => {
@@ -219,4 +236,39 @@ describe("prompt submit worktree selection", () => {
 
     expect(enabledAutoAccept).toEqual([{ sessionID: "session-1", directory: "/repo/worktree-a" }])
   })
+
+  test("includes the selected variant on optimistic prompts", async () => {
+    params = { id: "session-1" }
+    variant = "high"
+
+    const submit = createPromptSubmit({
+      info: () => ({ id: "session-1" }),
+      imageAttachments: () => [],
+      commentCount: () => 0,
+      autoAccept: () => false,
+      mode: () => "normal",
+      working: () => false,
+      editor: () => undefined,
+      queueScroll: () => undefined,
+      promptLength: (value) => value.reduce((sum, part) => sum + ("content" in part ? part.content.length : 0), 0),
+      addToHistory: () => undefined,
+      resetHistoryNavigation: () => undefined,
+      setMode: () => undefined,
+      setPopover: () => undefined,
+      onSubmit: () => undefined,
+    })
+
+    const event = { preventDefault: () => undefined } as unknown as Event
+
+    await submit.handleSubmit(event)
+
+    expect(optimistic).toHaveLength(1)
+    expect(optimistic[0]).toMatchObject({
+      message: {
+        agent: "agent",
+        model: { providerID: "provider", modelID: "model" },
+        variant: "high",
+      },
+    })
+  })
 })

packages/app/src/components/prompt-input/submit.ts

@@ -316,6 +316,7 @@ export function createPromptSubmit(input: PromptSubmitInput) {
       time: { created: Date.now() },
       agent,
       model,
+      variant,
     }
 
     const addOptimisticMessage = () =>

packages/app/src/components/session/session-header.tsx

@@ -21,6 +21,8 @@ import { useLayout } from "@/context/layout"
 import { usePlatform } from "@/context/platform"
 import { useServer } from "@/context/server"
 import { useSync } from "@/context/sync"
+import { useTerminal } from "@/context/terminal"
+import { focusTerminalById } from "@/pages/session/helpers"
 import { decode64 } from "@/utils/base64"
 import { Persist, persisted } from "@/utils/persist"
 import { StatusPopover } from "../status-popover"
@@ -229,6 +231,7 @@ export function SessionHeader() {
   const sync = useSync()
   const platform = usePlatform()
   const language = useLanguage()
+  const terminal = useTerminal()
 
   const projectDirectory = createMemo(() => decode64(params.dir) ?? "")
   const project = createMemo(() => {
@@ -296,6 +299,16 @@ export function SessionHeader() {
     ] as const
   })
 
+  const toggleTerminal = () => {
+    const next = !view().terminal.opened()
+    view().terminal.toggle()
+    if (!next) return
+
+    const id = terminal.active()
+    if (!id) return
+    focusTerminalById(id)
+  }
+
   const [prefs, setPrefs] = persisted(Persist.global("open.app"), createStore({ app: "finder" as OpenApp }))
   const [menu, setMenu] = createStore({ open: false })
   const [openRequest, setOpenRequest] = createStore({
@@ -303,7 +316,12 @@ export function SessionHeader() {
   })
 
   const canOpen = createMemo(() => platform.platform === "desktop" && !!platform.openPath && server.isLocal())
-  const current = createMemo(() => options().find((o) => o.id === prefs.app) ?? options()[0])
+  const current = createMemo(
+    () =>
+      options().find((o) => o.id === prefs.app) ??
+      options()[0] ??
+      ({ id: "finder", label: fileManager().label, icon: fileManager().icon } as const),
+  )
   const opening = createMemo(() => openRequest.app !== undefined)
 
   const selectApp = (app: OpenApp) => {
@@ -612,39 +630,39 @@ export function SessionHeader() {
                 </div>
               </Show>
               <div class="flex items-center gap-1">
-                <div class="hidden md:flex items-center gap-1 shrink-0">
-                  <TooltipKeybind
-                    title={language.t("command.terminal.toggle")}
-                    keybind={command.keybind("terminal.toggle")}
+                <TooltipKeybind
+                  title={language.t("command.terminal.toggle")}
+                  keybind={command.keybind("terminal.toggle")}
+                >
+                  <Button
+                    variant="ghost"
+                    class="group/terminal-toggle titlebar-icon w-8 h-6 p-0 box-border shrink-0"
+                    onClick={toggleTerminal}
+                    aria-label={language.t("command.terminal.toggle")}
+                    aria-expanded={view().terminal.opened()}
+                    aria-controls="terminal-panel"
                   >
-                    <Button
-                      variant="ghost"
-                      class="group/terminal-toggle titlebar-icon w-8 h-6 p-0 box-border"
-                      onClick={() => view().terminal.toggle()}
-                      aria-label={language.t("command.terminal.toggle")}
-                      aria-expanded={view().terminal.opened()}
-                      aria-controls="terminal-panel"
-                    >
-                      <div class="relative flex items-center justify-center size-4 [&>*]:absolute [&>*]:inset-0">
-                        <Icon
-                          size="small"
-                          name={view().terminal.opened() ? "layout-bottom-partial" : "layout-bottom"}
-                          class="group-hover/terminal-toggle:hidden"
-                        />
-                        <Icon
-                          size="small"
-                          name="layout-bottom-partial"
-                          class="hidden group-hover/terminal-toggle:inline-block"
-                        />
-                        <Icon
-                          size="small"
-                          name={view().terminal.opened() ? "layout-bottom" : "layout-bottom-partial"}
-                          class="hidden group-active/terminal-toggle:inline-block"
-                        />
-                      </div>
-                    </Button>
-                  </TooltipKeybind>
+                    <div class="relative flex items-center justify-center size-4 [&>*]:absolute [&>*]:inset-0">
+                      <Icon
+                        size="small"
+                        name={view().terminal.opened() ? "layout-bottom-partial" : "layout-bottom"}
+                        class="group-hover/terminal-toggle:hidden"
+                      />
+                      <Icon
+                        size="small"
+                        name="layout-bottom-partial"
+                        class="hidden group-hover/terminal-toggle:inline-block"
+                      />
+                      <Icon
+                        size="small"
+                        name={view().terminal.opened() ? "layout-bottom" : "layout-bottom-partial"}
+                        class="hidden group-active/terminal-toggle:inline-block"
+                      />
+                    </div>
+                  </Button>
+                </TooltipKeybind>
 
+                <div class="hidden md:flex items-center gap-1 shrink-0">
                   <TooltipKeybind
                     title={language.t("command.review.toggle")}
                     keybind={command.keybind("review.toggle")}

packages/app/src/components/session/session-new-view.tsx

@@ -4,12 +4,12 @@ import { useSync } from "@/context/sync"
 import { useSDK } from "@/context/sdk"
 import { useLanguage } from "@/context/language"
 import { Icon } from "@opencode-ai/ui/icon"
+import { Mark } from "@opencode-ai/ui/logo"
 import { getDirectory, getFilename } from "@opencode-ai/util/path"
 
 const MAIN_WORKTREE = "main"
 const CREATE_WORKTREE = "create"
-const ROOT_CLASS =
-  "size-full flex flex-col justify-end items-start gap-4 flex-[1_0_0] self-stretch max-w-200 mx-auto 2xl:max-w-[1000px] px-6 pb-16"
+const ROOT_CLASS = "size-full flex flex-col"
 
 interface NewSessionViewProps {
   worktree: string
@@ -50,33 +50,43 @@ export function NewSessionView(props: NewSessionViewProps) {
 
   return (
     <div class={ROOT_CLASS}>
-      <div class="text-20-medium text-text-weaker">{language.t("command.session.new")}</div>
-      <div class="flex justify-center items-start gap-3 min-h-5">
-        <Icon name="folder" size="small" class="mt-0.5 shrink-0" />
-        <div class="text-12-medium text-text-weak select-text leading-5">
-          {getDirectory(projectRoot())}
-          <span class="text-text-strong">{getFilename(projectRoot())}</span>
+      <div class="h-12 shrink-0" aria-hidden />
+      <div class="flex-1 px-6 pb-30 flex items-center justify-center text-center">
+        <div class="w-full max-w-200 flex flex-col items-center text-center gap-4">
+          <div class="flex flex-col items-center gap-6">
+            <Mark class="w-10" />
+            <div class="text-20-medium text-text-strong">{language.t("session.new.title")}</div>
+          </div>
+          <div class="w-full flex flex-col gap-4 items-center">
+            <div class="flex items-start justify-center gap-3 min-h-5">
+              <div class="text-12-medium text-text-weak select-text leading-5 min-w-0 max-w-160 break-words text-center">
+                {getDirectory(projectRoot())}
+                <span class="text-text-strong">{getFilename(projectRoot())}</span>
+              </div>
+            </div>
+            <div class="flex items-start justify-center gap-1.5 min-h-5">
+              <Icon name="branch" size="small" class="mt-0.5 shrink-0" />
+              <div class="text-12-medium text-text-weak select-text leading-5 min-w-0 max-w-160 break-words text-center">
+                {label(current())}
+              </div>
+            </div>
+            <Show when={sync.project}>
+              {(project) => (
+                <div class="flex items-start justify-center gap-3 min-h-5">
+                  <div class="text-12-medium text-text-weak leading-5 min-w-0 max-w-160 break-words text-center">
+                    {language.t("session.new.lastModified")}&nbsp;
+                    <span class="text-text-strong">
+                      {DateTime.fromMillis(project().time.updated ?? project().time.created)
+                        .setLocale(language.intl())
+                        .toRelative()}
+                    </span>
+                  </div>
+                </div>
+              )}
+            </Show>
+          </div>
         </div>
       </div>
-      <div class="flex justify-center items-start gap-3 min-h-5">
-        <Icon name="branch" size="small" class="mt-0.5 shrink-0" />
-        <div class="text-12-medium text-text-weak select-text leading-5">{label(current())}</div>
-      </div>
-      <Show when={sync.project}>
-        {(project) => (
-          <div class="flex justify-center items-start gap-3 min-h-5">
-            <Icon name="pencil-line" size="small" class="mt-0.5 shrink-0" />
-            <div class="text-12-medium text-text-weak leading-5">
-              {language.t("session.new.lastModified")}&nbsp;
-              <span class="text-text-strong">
-                {DateTime.fromMillis(project().time.updated ?? project().time.created)
-                  .setLocale(language.intl())
-                  .toRelative()}
-              </span>
-            </div>
-          </div>
-        )}
-      </Show>
     </div>
   )
 }

packages/app/src/components/session/session-sortable-terminal-tab.tsx

@@ -8,6 +8,7 @@ import { DropdownMenu } from "@opencode-ai/ui/dropdown-menu"
 import { Icon } from "@opencode-ai/ui/icon"
 import { useTerminal, type LocalPTY } from "@/context/terminal"
 import { useLanguage } from "@/context/language"
+import { focusTerminalById } from "@/pages/session/helpers"
 
 export function SortableTerminalTab(props: { terminal: LocalPTY; onClose?: () => void }): JSX.Element {
   const terminal = useTerminal()
@@ -53,21 +54,8 @@ export function SortableTerminalTab(props: { terminal: LocalPTY; onClose?: () =>
 
   const focus = () => {
     if (store.editing) return
-
-    if (document.activeElement instanceof HTMLElement) {
-      document.activeElement.blur()
-    }
-    const wrapper = document.getElementById(`terminal-wrapper-${props.terminal.id}`)
-    const element = wrapper?.querySelector('[data-component="terminal"]') as HTMLElement
-    if (!element) return
-
-    const textarea = element.querySelector("textarea") as HTMLTextAreaElement
-    if (textarea) {
-      textarea.focus()
-      return
-    }
-    element.focus()
-    element.dispatchEvent(new PointerEvent("pointerdown", { bubbles: true, cancelable: true }))
+    if (document.activeElement instanceof HTMLElement) document.activeElement.blur()
+    focusTerminalById(props.terminal.id)
   }
 
   const edit = (e?: Event) => {

packages/app/src/components/settings-agents.tsx

@@ -1,16 +0,0 @@
-import { Component } from "solid-js"
-import { useLanguage } from "@/context/language"
-
-export const SettingsAgents: Component = () => {
-  // TODO: Replace this placeholder with full agents settings controls.
-  const language = useLanguage()
-
-  return (
-    <div class="flex flex-col h-full overflow-y-auto">
-      <div class="flex flex-col gap-6 p-6 max-w-[600px]">
-        <h2 class="text-16-medium text-text-strong">{language.t("settings.agents.title")}</h2>
-        <p class="text-14-regular text-text-weak">{language.t("settings.agents.description")}</p>
-      </div>
-    </div>
-  )
-}

packages/app/src/components/settings-commands.tsx

@@ -1,16 +0,0 @@
-import { Component } from "solid-js"
-import { useLanguage } from "@/context/language"
-
-export const SettingsCommands: Component = () => {
-  // TODO: Replace this placeholder with full commands settings controls.
-  const language = useLanguage()
-
-  return (
-    <div class="flex flex-col h-full overflow-y-auto">
-      <div class="flex flex-col gap-6 p-6 max-w-[600px]">
-        <h2 class="text-16-medium text-text-strong">{language.t("settings.commands.title")}</h2>
-        <p class="text-14-regular text-text-weak">{language.t("settings.commands.description")}</p>
-      </div>
-    </div>
-  )
-}

packages/app/src/components/settings-mcp.tsx

@@ -1,16 +0,0 @@
-import { Component } from "solid-js"
-import { useLanguage } from "@/context/language"
-
-export const SettingsMcp: Component = () => {
-  // TODO: Replace this placeholder with full MCP settings controls.
-  const language = useLanguage()
-
-  return (
-    <div class="flex flex-col h-full overflow-y-auto">
-      <div class="flex flex-col gap-6 p-6 max-w-[600px]">
-        <h2 class="text-16-medium text-text-strong">{language.t("settings.mcp.title")}</h2>
-        <p class="text-14-regular text-text-weak">{language.t("settings.mcp.description")}</p>
-      </div>
-    </div>
-  )
-}

packages/app/src/components/settings-permissions.tsx

@@ -1,230 +0,0 @@
-import { Select } from "@opencode-ai/ui/select"
-import { showToast } from "@opencode-ai/ui/toast"
-import { Component, For, createMemo, type JSX } from "solid-js"
-import { useGlobalSync } from "@/context/global-sync"
-import { useLanguage } from "@/context/language"
-
-type PermissionAction = "allow" | "ask" | "deny"
-
-type PermissionObject = Record<string, PermissionAction>
-type PermissionValue = PermissionAction | PermissionObject | string[] | undefined
-type PermissionMap = Record<string, PermissionValue>
-
-type PermissionItem = {
-  id: string
-  title: string
-  description: string
-}
-
-const ACTIONS = [
-  { value: "allow", label: "settings.permissions.action.allow" },
-  { value: "ask", label: "settings.permissions.action.ask" },
-  { value: "deny", label: "settings.permissions.action.deny" },
-] as const
-
-const ITEMS = [
-  {
-    id: "read",
-    title: "settings.permissions.tool.read.title",
-    description: "settings.permissions.tool.read.description",
-  },
-  {
-    id: "edit",
-    title: "settings.permissions.tool.edit.title",
-    description: "settings.permissions.tool.edit.description",
-  },
-  {
-    id: "glob",
-    title: "settings.permissions.tool.glob.title",
-    description: "settings.permissions.tool.glob.description",
-  },
-  {
-    id: "grep",
-    title: "settings.permissions.tool.grep.title",
-    description: "settings.permissions.tool.grep.description",
-  },
-  {
-    id: "list",
-    title: "settings.permissions.tool.list.title",
-    description: "settings.permissions.tool.list.description",
-  },
-  {
-    id: "bash",
-    title: "settings.permissions.tool.bash.title",
-    description: "settings.permissions.tool.bash.description",
-  },
-  {
-    id: "task",
-    title: "settings.permissions.tool.task.title",
-    description: "settings.permissions.tool.task.description",
-  },
-  {
-    id: "skill",
-    title: "settings.permissions.tool.skill.title",
-    description: "settings.permissions.tool.skill.description",
-  },
-  {
-    id: "lsp",
-    title: "settings.permissions.tool.lsp.title",
-    description: "settings.permissions.tool.lsp.description",
-  },
-  {
-    id: "todoread",
-    title: "settings.permissions.tool.todoread.title",
-    description: "settings.permissions.tool.todoread.description",
-  },
-  {
-    id: "todowrite",
-    title: "settings.permissions.tool.todowrite.title",
-    description: "settings.permissions.tool.todowrite.description",
-  },
-  {
-    id: "webfetch",
-    title: "settings.permissions.tool.webfetch.title",
-    description: "settings.permissions.tool.webfetch.description",
-  },
-  {
-    id: "websearch",
-    title: "settings.permissions.tool.websearch.title",
-    description: "settings.permissions.tool.websearch.description",
-  },
-  {
-    id: "codesearch",
-    title: "settings.permissions.tool.codesearch.title",
-    description: "settings.permissions.tool.codesearch.description",
-  },
-  {
-    id: "external_directory",
-    title: "settings.permissions.tool.external_directory.title",
-    description: "settings.permissions.tool.external_directory.description",
-  },
-  {
-    id: "doom_loop",
-    title: "settings.permissions.tool.doom_loop.title",
-    description: "settings.permissions.tool.doom_loop.description",
-  },
-] as const
-
-const VALID_ACTIONS = new Set<PermissionAction>(["allow", "ask", "deny"])
-
-function toMap(value: unknown): PermissionMap {
-  if (value && typeof value === "object" && !Array.isArray(value)) return value as PermissionMap
-
-  const action = getAction(value)
-  if (action) return { "*": action }
-
-  return {}
-}
-
-function getAction(value: unknown): PermissionAction | undefined {
-  if (typeof value === "string" && VALID_ACTIONS.has(value as PermissionAction)) return value as PermissionAction
-  return
-}
-
-function getRuleDefault(value: unknown): PermissionAction | undefined {
-  const action = getAction(value)
-  if (action) return action
-
-  if (!value || typeof value !== "object" || Array.isArray(value)) return
-
-  return getAction((value as Record<string, unknown>)["*"])
-}
-
-export const SettingsPermissions: Component = () => {
-  const globalSync = useGlobalSync()
-  const language = useLanguage()
-
-  const actions = createMemo(
-    (): Array<{ value: PermissionAction; label: string }> =>
-      ACTIONS.map((action) => ({
-        value: action.value,
-        label: language.t(action.label),
-      })),
-  )
-
-  const permission = createMemo(() => {
-    return toMap(globalSync.data.config.permission)
-  })
-
-  const actionFor = (id: string): PermissionAction => {
-    const value = permission()[id]
-    const direct = getRuleDefault(value)
-    if (direct) return direct
-
-    const wildcard = getRuleDefault(permission()["*"])
-    if (wildcard) return wildcard
-
-    return "allow"
-  }
-
-  const setPermission = async (id: string, action: PermissionAction) => {
-    const before = globalSync.data.config.permission
-    const map = toMap(before)
-    const existing = map[id]
-
-    const nextValue =
-      existing && typeof existing === "object" && !Array.isArray(existing) ? { ...existing, "*": action } : action
-
-    const rollback = (err: unknown) => {
-      globalSync.set("config", "permission", before)
-      const message = err instanceof Error ? err.message : String(err)
-      showToast({ title: language.t("settings.permissions.toast.updateFailed.title"), description: message })
-    }
-
-    globalSync.set("config", "permission", { ...map, [id]: nextValue })
-    globalSync.updateConfig({ permission: { [id]: nextValue } }).catch(rollback)
-  }
-
-  return (
-    <div class="flex flex-col h-full overflow-y-auto no-scrollbar">
-      <div class="sticky top-0 z-10 bg-[linear-gradient(to_bottom,var(--surface-stronger-non-alpha)_calc(100%_-_24px),transparent)]">
-        <div class="flex flex-col gap-1 px-4 py-8 sm:p-8 max-w-[720px]">
-          <h2 class="text-16-medium text-text-strong">{language.t("settings.permissions.title")}</h2>
-          <p class="text-14-regular text-text-weak">{language.t("settings.permissions.description")}</p>
-        </div>
-      </div>
-
-      <div class="flex flex-col gap-6 px-4 py-6 sm:p-8 sm:pt-6 max-w-[720px]">
-        <div class="flex flex-col gap-2">
-          <h3 class="text-14-medium text-text-strong">{language.t("settings.permissions.section.tools")}</h3>
-          <div class="border border-border-weak-base rounded-lg overflow-hidden">
-            <For each={ITEMS}>
-              {(item) => (
-                <SettingsRow title={language.t(item.title)} description={language.t(item.description)}>
-                  <Select
-                    options={actions()}
-                    current={actions().find((o) => o.value === actionFor(item.id))}
-                    value={(o) => o.value}
-                    label={(o) => o.label}
-                    onSelect={(option) => option && setPermission(item.id, option.value)}
-                    variant="secondary"
-                    size="small"
-                    triggerVariant="settings"
-                  />
-                </SettingsRow>
-              )}
-            </For>
-          </div>
-        </div>
-      </div>
-    </div>
-  )
-}
-
-interface SettingsRowProps {
-  title: string
-  description: string
-  children: JSX.Element
-}
-
-const SettingsRow: Component<SettingsRowProps> = (props) => {
-  return (
-    <div class="flex flex-wrap items-center justify-between gap-4 px-4 py-3 border-b border-border-weak-base last:border-none">
-      <div class="flex flex-col gap-0.5 min-w-0">
-        <span class="text-14-medium text-text-strong">{props.title}</span>
-        <span class="text-12-regular text-text-weak">{props.description}</span>
-      </div>
-      <div class="flex-shrink-0">{props.children}</div>
-    </div>
-  )
-}

packages/app/src/components/terminal.tsx

@@ -17,6 +17,7 @@ const TOGGLE_TERMINAL_ID = "terminal.toggle"
 const DEFAULT_TOGGLE_TERMINAL_KEYBIND = "ctrl+`"
 export interface TerminalProps extends ComponentProps<"div"> {
   pty: LocalPTY
+  autoFocus?: boolean
   onSubmit?: () => void
   onCleanup?: (pty: Partial<LocalPTY> & { id: string }) => void
   onConnect?: () => void
@@ -157,7 +158,7 @@ export const Terminal = (props: TerminalProps) => {
   const language = useLanguage()
   const server = useServer()
   let container!: HTMLDivElement
-  const [local, others] = splitProps(props, ["pty", "class", "classList", "onConnect", "onConnectError"])
+  const [local, others] = splitProps(props, ["pty", "class", "classList", "autoFocus", "onConnect", "onConnectError"])
   const id = local.pty.id
   const restore = typeof local.pty.buffer === "string" ? local.pty.buffer : ""
   const restoreSize =
@@ -217,7 +218,7 @@ export const Terminal = (props: TerminalProps) => {
     const currentTheme = theme.themes()[theme.themeId()]
     if (!currentTheme) return fallback
     const variant = mode === "dark" ? currentTheme.dark : currentTheme.light
-    if (!variant?.seeds) return fallback
+    if (!variant?.seeds && !variant?.palette) return fallback
     const resolved = resolveThemeVariant(variant, mode === "dark")
     const text = resolved["text-stronger"] ?? fallback.foreground
     const background = resolved["background-stronger"] ?? fallback.background
@@ -386,7 +387,7 @@ export const Terminal = (props: TerminalProps) => {
         handleLinkClick,
       })
 
-      focusTerminal()
+      if (local.autoFocus !== false) focusTerminal()
 
       if (typeof document !== "undefined" && document.fonts) {
         document.fonts.ready.then(scheduleFit)

packages/app/src/components/titlebar.tsx

@@ -155,7 +155,7 @@ export function Titlebar() {
 
   return (
     <header
-      class="h-10 shrink-0 bg-background-base relative grid grid-cols-[auto_minmax(0,1fr)_auto] items-center"
+      class="h-10 shrink-0 bg-background-base relative grid grid-cols-[minmax(0,1fr)_auto_minmax(0,1fr)] items-center"
       style={{ "min-height": minHeight() }}
       data-tauri-drag-region
       onMouseDown={drag}
@@ -269,7 +269,7 @@ export function Titlebar() {
       </div>
 
       <div class="min-w-0 flex items-center justify-center pointer-events-none">
-        <div id="opencode-titlebar-center" class="pointer-events-auto w-full min-w-0 flex justify-center lg:w-fit" />
+        <div id="opencode-titlebar-center" class="pointer-events-auto min-w-0 flex justify-center w-fit max-w-full" />
       </div>
 
       <div

packages/app/src/context/global-sync.test.ts

@@ -1,10 +1,6 @@
 import { describe, expect, test } from "bun:test"
-import {
-  canDisposeDirectory,
-  estimateRootSessionTotal,
-  loadRootSessionsWithFallback,
-  pickDirectoriesToEvict,
-} from "./global-sync"
+import { canDisposeDirectory, pickDirectoriesToEvict } from "./global-sync/eviction"
+import { estimateRootSessionTotal, loadRootSessionsWithFallback } from "./global-sync/session-load"
 
 describe("pickDirectoriesToEvict", () => {
   test("keeps pinned stores and evicts idle stores", () => {

packages/app/src/context/global-sync.tsx

@@ -27,7 +27,7 @@ import type { InitError } from "../pages/error"
 import { useGlobalSDK } from "./global-sdk"
 import { bootstrapDirectory, bootstrapGlobal } from "./global-sync/bootstrap"
 import { createChildStoreManager } from "./global-sync/child-store"
-import { applyDirectoryEvent, applyGlobalEvent } from "./global-sync/event-reducer"
+import { applyDirectoryEvent, applyGlobalEvent, cleanupDroppedSessionCaches } from "./global-sync/event-reducer"
 import { createRefreshQueue } from "./global-sync/queue"
 import { estimateRootSessionTotal, loadRootSessionsWithFallback } from "./global-sync/session-load"
 import { trimSessions } from "./global-sync/session-trim"
@@ -189,6 +189,7 @@ function createGlobalSync() {
       })
       if (next.length !== store.session.length) {
         setStore("session", reconcile(next, { key: "id" }))
+        cleanupDroppedSessionCaches(store, setStore, next, setSessionTodo)
       }
       children.unpin(directory)
       return
@@ -220,6 +221,7 @@ function createGlobalSync() {
           }),
         )
         setStore("session", reconcile(sessions, { key: "id" }))
+        cleanupDroppedSessionCaches(store, setStore, sessions, setSessionTodo)
         sessionMeta.set(directory, { limit })
       })
       .catch((err) => {
@@ -400,6 +402,3 @@ export function useGlobalSync() {
   if (!context) throw new Error("useGlobalSync must be used within GlobalSyncProvider")
   return context
 }
-
-export { canDisposeDirectory, pickDirectoriesToEvict } from "./global-sync/eviction"
-export { estimateRootSessionTotal, loadRootSessionsWithFallback } from "./global-sync/session-load"

packages/app/src/context/global-sync/event-reducer.test.ts

@@ -2,7 +2,7 @@ import { describe, expect, test } from "bun:test"
 import type { Message, Part, PermissionRequest, Project, QuestionRequest, Session } from "@opencode-ai/sdk/v2/client"
 import { createStore } from "solid-js/store"
 import type { State } from "./types"
-import { applyDirectoryEvent, applyGlobalEvent } from "./event-reducer"
+import { applyDirectoryEvent, applyGlobalEvent, cleanupDroppedSessionCaches } from "./event-reducer"
 
 const rootSession = (input: { id: string; parentID?: string; archived?: number }) =>
   ({
@@ -248,6 +248,62 @@ describe("applyDirectoryEvent", () => {
     }
   })
 
+  test("cleans caches for trimmed sessions on session.created", () => {
+    const dropped = rootSession({ id: "ses_b" })
+    const kept = rootSession({ id: "ses_a" })
+    const message = userMessage("msg_1", dropped.id)
+    const todos: string[] = []
+    const [store, setStore] = createStore(
+      baseState({
+        limit: 1,
+        session: [dropped],
+        message: { [dropped.id]: [message] },
+        part: { [message.id]: [textPart("prt_1", dropped.id, message.id)] },
+        session_diff: { [dropped.id]: [] },
+        todo: { [dropped.id]: [] },
+        permission: { [dropped.id]: [] },
+        question: { [dropped.id]: [] },
+        session_status: { [dropped.id]: { type: "busy" } },
+      }),
+    )
+
+    applyDirectoryEvent({
+      event: { type: "session.created", properties: { info: kept } },
+      store,
+      setStore,
+      push() {},
+      directory: "/tmp",
+      loadLsp() {},
+      setSessionTodo(sessionID, value) {
+        if (value !== undefined) return
+        todos.push(sessionID)
+      },
+    })
+
+    expect(store.session.map((x) => x.id)).toEqual([kept.id])
+    expect(store.message[dropped.id]).toBeUndefined()
+    expect(store.part[message.id]).toBeUndefined()
+    expect(store.session_diff[dropped.id]).toBeUndefined()
+    expect(store.todo[dropped.id]).toBeUndefined()
+    expect(store.permission[dropped.id]).toBeUndefined()
+    expect(store.question[dropped.id]).toBeUndefined()
+    expect(store.session_status[dropped.id]).toBeUndefined()
+    expect(todos).toEqual([dropped.id])
+  })
+
+  test("cleanupDroppedSessionCaches clears part-only orphan state", () => {
+    const [store, setStore] = createStore(
+      baseState({
+        session: [rootSession({ id: "ses_keep" })],
+        part: { msg_1: [textPart("prt_1", "ses_drop", "msg_1")] },
+      }),
+    )
+
+    cleanupDroppedSessionCaches(store, setStore, store.session)
+
+    expect(store.part.msg_1).toBeUndefined()
+  })
+
   test("upserts and removes messages while clearing orphaned parts", () => {
     const sessionID = "ses_1"
     const [store, setStore] = createStore(

packages/app/src/context/global-sync/event-reducer.ts

@@ -13,6 +13,7 @@ import type {
 } from "@opencode-ai/sdk/v2/client"
 import type { State, VcsCache } from "./types"
 import { trimSessions } from "./session-trim"
+import { dropSessionCaches } from "./session-cache"
 
 export function applyGlobalEvent(input: {
   event: { type: string; properties?: unknown }
@@ -40,37 +41,44 @@ export function applyGlobalEvent(input: {
 }
 
 function cleanupSessionCaches(
-  store: Store<State>,
   setStore: SetStoreFunction<State>,
   sessionID: string,
   setSessionTodo?: (sessionID: string, todos: Todo[] | undefined) => void,
 ) {
   if (!sessionID) return
-  const hasAny =
-    store.message[sessionID] !== undefined ||
-    store.session_diff[sessionID] !== undefined ||
-    store.todo[sessionID] !== undefined ||
-    store.permission[sessionID] !== undefined ||
-    store.question[sessionID] !== undefined ||
-    store.session_status[sessionID] !== undefined
   setSessionTodo?.(sessionID, undefined)
-  if (!hasAny) return
   setStore(
     produce((draft) => {
-      const messages = draft.message[sessionID]
-      if (messages) {
-        for (const message of messages) {
-          const id = message?.id
-          if (!id) continue
-          delete draft.part[id]
-        }
-      }
-      delete draft.message[sessionID]
-      delete draft.session_diff[sessionID]
-      delete draft.todo[sessionID]
-      delete draft.permission[sessionID]
-      delete draft.question[sessionID]
-      delete draft.session_status[sessionID]
+      dropSessionCaches(draft, [sessionID])
+    }),
+  )
+}
+
+export function cleanupDroppedSessionCaches(
+  store: Store<State>,
+  setStore: SetStoreFunction<State>,
+  next: Session[],
+  setSessionTodo?: (sessionID: string, todos: Todo[] | undefined) => void,
+) {
+  const keep = new Set(next.map((item) => item.id))
+  const stale = [
+    ...Object.keys(store.message),
+    ...Object.keys(store.session_diff),
+    ...Object.keys(store.todo),
+    ...Object.keys(store.permission),
+    ...Object.keys(store.question),
+    ...Object.keys(store.session_status),
+    ...Object.values(store.part)
+      .map((parts) => parts?.find((part) => !!part?.sessionID)?.sessionID)
+      .filter((sessionID): sessionID is string => !!sessionID),
+  ].filter((sessionID, index, list) => !keep.has(sessionID) && list.indexOf(sessionID) === index)
+  if (stale.length === 0) return
+  for (const sessionID of stale) {
+    setSessionTodo?.(sessionID, undefined)
+  }
+  setStore(
+    produce((draft) => {
+      dropSessionCaches(draft, stale)
     }),
   )
 }
@@ -102,6 +110,7 @@ export function applyDirectoryEvent(input: {
       next.splice(result.index, 0, info)
       const trimmed = trimSessions(next, { limit: input.store.limit, permission: input.store.permission })
       input.setStore("session", reconcile(trimmed, { key: "id" }))
+      cleanupDroppedSessionCaches(input.store, input.setStore, trimmed, input.setSessionTodo)
       if (!info.parentID) input.setStore("sessionTotal", (value) => value + 1)
       break
     }
@@ -117,7 +126,7 @@ export function applyDirectoryEvent(input: {
             }),
           )
         }
-        cleanupSessionCaches(input.store, input.setStore, info.id, input.setSessionTodo)
+        cleanupSessionCaches(input.setStore, info.id, input.setSessionTodo)
         if (info.parentID) break
         input.setStore("sessionTotal", (value) => Math.max(0, value - 1))
         break
@@ -130,6 +139,7 @@ export function applyDirectoryEvent(input: {
       next.splice(result.index, 0, info)
       const trimmed = trimSessions(next, { limit: input.store.limit, permission: input.store.permission })
       input.setStore("session", reconcile(trimmed, { key: "id" }))
+      cleanupDroppedSessionCaches(input.store, input.setStore, trimmed, input.setSessionTodo)
       break
     }
     case "session.deleted": {
@@ -143,7 +153,7 @@ export function applyDirectoryEvent(input: {
           }),
         )
       }
-      cleanupSessionCaches(input.store, input.setStore, info.id, input.setSessionTodo)
+      cleanupSessionCaches(input.setStore, info.id, input.setSessionTodo)
       if (info.parentID) break
       input.setStore("sessionTotal", (value) => Math.max(0, value - 1))
       break

packages/app/src/context/global-sync/session-cache.test.ts

@@ -0,0 +1,102 @@
+import { describe, expect, test } from "bun:test"
+import type {
+  FileDiff,
+  Message,
+  Part,
+  PermissionRequest,
+  QuestionRequest,
+  SessionStatus,
+  Todo,
+} from "@opencode-ai/sdk/v2/client"
+import { dropSessionCaches, pickSessionCacheEvictions } from "./session-cache"
+
+const msg = (id: string, sessionID: string) =>
+  ({
+    id,
+    sessionID,
+    role: "user",
+    time: { created: 1 },
+    agent: "assistant",
+    model: { providerID: "openai", modelID: "gpt" },
+  }) as Message
+
+const part = (id: string, sessionID: string, messageID: string) =>
+  ({
+    id,
+    sessionID,
+    messageID,
+    type: "text",
+    text: id,
+  }) as Part
+
+describe("app session cache", () => {
+  test("dropSessionCaches clears orphaned parts without message rows", () => {
+    const store: {
+      session_status: Record<string, SessionStatus | undefined>
+      session_diff: Record<string, FileDiff[] | undefined>
+      todo: Record<string, Todo[] | undefined>
+      message: Record<string, Message[] | undefined>
+      part: Record<string, Part[] | undefined>
+      permission: Record<string, PermissionRequest[] | undefined>
+      question: Record<string, QuestionRequest[] | undefined>
+    } = {
+      session_status: { ses_1: { type: "busy" } as SessionStatus },
+      session_diff: { ses_1: [] },
+      todo: { ses_1: [] as Todo[] },
+      message: {},
+      part: { msg_1: [part("prt_1", "ses_1", "msg_1")] },
+      permission: { ses_1: [] as PermissionRequest[] },
+      question: { ses_1: [] as QuestionRequest[] },
+    }
+
+    dropSessionCaches(store, ["ses_1"])
+
+    expect(store.message.ses_1).toBeUndefined()
+    expect(store.part.msg_1).toBeUndefined()
+    expect(store.todo.ses_1).toBeUndefined()
+    expect(store.session_diff.ses_1).toBeUndefined()
+    expect(store.session_status.ses_1).toBeUndefined()
+    expect(store.permission.ses_1).toBeUndefined()
+    expect(store.question.ses_1).toBeUndefined()
+  })
+
+  test("dropSessionCaches clears message-backed parts", () => {
+    const m = msg("msg_1", "ses_1")
+    const store: {
+      session_status: Record<string, SessionStatus | undefined>
+      session_diff: Record<string, FileDiff[] | undefined>
+      todo: Record<string, Todo[] | undefined>
+      message: Record<string, Message[] | undefined>
+      part: Record<string, Part[] | undefined>
+      permission: Record<string, PermissionRequest[] | undefined>
+      question: Record<string, QuestionRequest[] | undefined>
+    } = {
+      session_status: {},
+      session_diff: {},
+      todo: {},
+      message: { ses_1: [m] },
+      part: { [m.id]: [part("prt_1", "ses_1", m.id)] },
+      permission: {},
+      question: {},
+    }
+
+    dropSessionCaches(store, ["ses_1"])
+
+    expect(store.message.ses_1).toBeUndefined()
+    expect(store.part[m.id]).toBeUndefined()
+  })
+
+  test("pickSessionCacheEvictions preserves requested sessions", () => {
+    const seen = new Set(["ses_1", "ses_2", "ses_3"])
+
+    const stale = pickSessionCacheEvictions({
+      seen,
+      keep: "ses_4",
+      limit: 2,
+      preserve: ["ses_1"],
+    })
+
+    expect(stale).toEqual(["ses_2", "ses_3"])
+    expect([...seen]).toEqual(["ses_1", "ses_4"])
+  })
+})

packages/app/src/context/global-sync/session-cache.ts

@@ -0,0 +1,62 @@
+import type {
+  FileDiff,
+  Message,
+  Part,
+  PermissionRequest,
+  QuestionRequest,
+  SessionStatus,
+  Todo,
+} from "@opencode-ai/sdk/v2/client"
+
+export const SESSION_CACHE_LIMIT = 40
+
+type SessionCache = {
+  session_status: Record<string, SessionStatus | undefined>
+  session_diff: Record<string, FileDiff[] | undefined>
+  todo: Record<string, Todo[] | undefined>
+  message: Record<string, Message[] | undefined>
+  part: Record<string, Part[] | undefined>
+  permission: Record<string, PermissionRequest[] | undefined>
+  question: Record<string, QuestionRequest[] | undefined>
+}
+
+export function dropSessionCaches(store: SessionCache, sessionIDs: Iterable<string>) {
+  const stale = new Set(Array.from(sessionIDs).filter(Boolean))
+  if (stale.size === 0) return
+
+  for (const key of Object.keys(store.part)) {
+    const parts = store.part[key]
+    if (!parts?.some((part) => stale.has(part?.sessionID ?? ""))) continue
+    delete store.part[key]
+  }
+
+  for (const sessionID of stale) {
+    delete store.message[sessionID]
+    delete store.todo[sessionID]
+    delete store.session_diff[sessionID]
+    delete store.session_status[sessionID]
+    delete store.permission[sessionID]
+    delete store.question[sessionID]
+  }
+}
+
+export function pickSessionCacheEvictions(input: {
+  seen: Set<string>
+  keep: string
+  limit: number
+  preserve?: Iterable<string>
+}) {
+  const stale: string[] = []
+  const keep = new Set([input.keep, ...Array.from(input.preserve ?? [])])
+  if (input.seen.has(input.keep)) input.seen.delete(input.keep)
+  input.seen.add(input.keep)
+  for (const id of input.seen) {
+    if (input.seen.size - stale.length <= input.limit) break
+    if (keep.has(id)) continue
+    stale.push(id)
+  }
+  for (const id of stale) {
+    input.seen.delete(id)
+  }
+  return stale
+}

packages/app/src/context/notification-index.ts

@@ -1,66 +0,0 @@
-type NotificationIndexItem = {
-  directory?: string
-  session?: string
-  viewed: boolean
-  type: string
-}
-
-export function buildNotificationIndex<T extends NotificationIndexItem>(list: T[]) {
-  const sessionAll = new Map<string, T[]>()
-  const sessionUnseen = new Map<string, T[]>()
-  const sessionUnseenCount = new Map<string, number>()
-  const sessionUnseenHasError = new Map<string, boolean>()
-  const projectAll = new Map<string, T[]>()
-  const projectUnseen = new Map<string, T[]>()
-  const projectUnseenCount = new Map<string, number>()
-  const projectUnseenHasError = new Map<string, boolean>()
-
-  for (const notification of list) {
-    const session = notification.session
-    if (session) {
-      const all = sessionAll.get(session)
-      if (all) all.push(notification)
-      else sessionAll.set(session, [notification])
-
-      if (!notification.viewed) {
-        const unseen = sessionUnseen.get(session)
-        if (unseen) unseen.push(notification)
-        else sessionUnseen.set(session, [notification])
-
-        sessionUnseenCount.set(session, (sessionUnseenCount.get(session) ?? 0) + 1)
-        if (notification.type === "error") sessionUnseenHasError.set(session, true)
-      }
-    }
-
-    const directory = notification.directory
-    if (directory) {
-      const all = projectAll.get(directory)
-      if (all) all.push(notification)
-      else projectAll.set(directory, [notification])
-
-      if (!notification.viewed) {
-        const unseen = projectUnseen.get(directory)
-        if (unseen) unseen.push(notification)
-        else projectUnseen.set(directory, [notification])
-
-        projectUnseenCount.set(directory, (projectUnseenCount.get(directory) ?? 0) + 1)
-        if (notification.type === "error") projectUnseenHasError.set(directory, true)
-      }
-    }
-  }
-
-  return {
-    session: {
-      all: sessionAll,
-      unseen: sessionUnseen,
-      unseenCount: sessionUnseenCount,
-      unseenHasError: sessionUnseenHasError,
-    },
-    project: {
-      all: projectAll,
-      unseen: projectUnseen,
-      unseenCount: projectUnseenCount,
-      unseenHasError: projectUnseenHasError,
-    },
-  }
-}

packages/app/src/context/notification.test.ts

@@ -1,73 +0,0 @@
-import { describe, expect, test } from "bun:test"
-import { buildNotificationIndex } from "./notification-index"
-
-type Notification = {
-  type: "turn-complete" | "error"
-  session: string
-  directory: string
-  viewed: boolean
-  time: number
-}
-
-const turn = (session: string, directory: string, viewed = false): Notification => ({
-  type: "turn-complete",
-  session,
-  directory,
-  viewed,
-  time: 1,
-})
-
-const error = (session: string, directory: string, viewed = false): Notification => ({
-  type: "error",
-  session,
-  directory,
-  viewed,
-  time: 1,
-})
-
-describe("buildNotificationIndex", () => {
-  test("builds unseen counts and unseen error flags", () => {
-    const list = [
-      turn("s1", "d1", false),
-      error("s1", "d1", false),
-      turn("s1", "d1", true),
-      turn("s2", "d1", false),
-      error("s3", "d2", true),
-    ]
-
-    const index = buildNotificationIndex(list)
-
-    expect(index.session.all.get("s1")?.length).toBe(3)
-    expect(index.session.unseen.get("s1")?.length).toBe(2)
-    expect(index.session.unseenCount.get("s1")).toBe(2)
-    expect(index.session.unseenHasError.get("s1")).toBe(true)
-
-    expect(index.session.unseenCount.get("s2")).toBe(1)
-    expect(index.session.unseenHasError.get("s2") ?? false).toBe(false)
-    expect(index.session.unseenCount.get("s3") ?? 0).toBe(0)
-    expect(index.session.unseenHasError.get("s3") ?? false).toBe(false)
-
-    expect(index.project.unseenCount.get("d1")).toBe(3)
-    expect(index.project.unseenHasError.get("d1")).toBe(true)
-    expect(index.project.unseenCount.get("d2") ?? 0).toBe(0)
-    expect(index.project.unseenHasError.get("d2") ?? false).toBe(false)
-  })
-
-  test("updates selectors after viewed transitions", () => {
-    const list = [turn("s1", "d1", false), error("s1", "d1", false), turn("s2", "d1", false)]
-    const next = list.map((item) => (item.session === "s1" ? { ...item, viewed: true } : item))
-
-    const before = buildNotificationIndex(list)
-    const after = buildNotificationIndex(next)
-
-    expect(before.session.unseenCount.get("s1")).toBe(2)
-    expect(before.session.unseenHasError.get("s1")).toBe(true)
-    expect(before.project.unseenCount.get("d1")).toBe(3)
-    expect(before.project.unseenHasError.get("d1")).toBe(true)
-
-    expect(after.session.unseenCount.get("s1") ?? 0).toBe(0)
-    expect(after.session.unseenHasError.get("s1") ?? false).toBe(false)
-    expect(after.project.unseenCount.get("d1")).toBe(1)
-    expect(after.project.unseenHasError.get("d1") ?? false).toBe(false)
-  })
-})

packages/app/src/context/sync.tsx

@@ -6,6 +6,7 @@ import { createSimpleContext } from "@opencode-ai/ui/context"
 import { useGlobalSync } from "./global-sync"
 import { useSDK } from "./sdk"
 import type { Message, Part } from "@opencode-ai/sdk/v2/client"
+import { SESSION_CACHE_LIMIT, dropSessionCaches, pickSessionCacheEvictions } from "./global-sync/session-cache"
 
 function sortParts(parts: Part[]) {
   return parts.filter((part) => !!part?.id).sort((a, b) => cmp(a.id, b.id))
@@ -108,6 +109,8 @@ export const { use: useSync, provider: SyncProvider } = createSimpleContext({
     const inflight = new Map<string, Promise<void>>()
     const inflightDiff = new Map<string, Promise<void>>()
     const inflightTodo = new Map<string, Promise<void>>()
+    const maxDirs = 30
+    const seen = new Map<string, Set<string>>()
     const [meta, setMeta] = createStore({
       limit: {} as Record<string, number>,
       complete: {} as Record<string, boolean>,
@@ -121,6 +124,62 @@ export const { use: useSync, provider: SyncProvider } = createSimpleContext({
       return undefined
     }
 
+    const seenFor = (directory: string) => {
+      const existing = seen.get(directory)
+      if (existing) {
+        seen.delete(directory)
+        seen.set(directory, existing)
+        return existing
+      }
+      const created = new Set<string>()
+      seen.set(directory, created)
+      while (seen.size > maxDirs) {
+        const first = seen.keys().next().value
+        if (!first) break
+        const stale = [...(seen.get(first) ?? [])]
+        seen.delete(first)
+        const [, setStore] = globalSync.child(first, { bootstrap: false })
+        evict(first, setStore, stale)
+      }
+      return created
+    }
+
+    const clearMeta = (directory: string, sessionIDs: string[]) => {
+      if (sessionIDs.length === 0) return
+      setMeta(
+        produce((draft) => {
+          for (const sessionID of sessionIDs) {
+            const key = keyFor(directory, sessionID)
+            delete draft.limit[key]
+            delete draft.complete[key]
+            delete draft.loading[key]
+          }
+        }),
+      )
+    }
+
+    const evict = (directory: string, setStore: Setter, sessionIDs: string[]) => {
+      if (sessionIDs.length === 0) return
+      for (const sessionID of sessionIDs) {
+        globalSync.todo.set(sessionID, undefined)
+      }
+      setStore(
+        produce((draft) => {
+          dropSessionCaches(draft, sessionIDs)
+        }),
+      )
+      clearMeta(directory, sessionIDs)
+    }
+
+    const touch = (directory: string, setStore: Setter, sessionID: string) => {
+      const stale = pickSessionCacheEvictions({
+        seen: seenFor(directory),
+        keep: sessionID,
+        limit: SESSION_CACHE_LIMIT,
+      })
+      evict(directory, setStore, stale)
+    }
+
     const fetchMessages = async (input: { client: typeof sdk.client; sessionID: string; limit: number }) => {
       const messages = await retry(() =>
         input.client.session.messages({ sessionID: input.sessionID, limit: input.limit }),
@@ -135,6 +194,8 @@ export const { use: useSync, provider: SyncProvider } = createSimpleContext({
       }
     }
 
+    const tracked = (directory: string, sessionID: string) => seen.get(directory)?.has(sessionID) ?? false
+
     const loadMessages = async (input: {
       directory: string
       client: typeof sdk.client
@@ -148,6 +209,7 @@ export const { use: useSync, provider: SyncProvider } = createSimpleContext({
       setMeta("loading", key, true)
       await fetchMessages(input)
         .then((next) => {
+          if (!tracked(input.directory, input.sessionID)) return
           batch(() => {
             input.setStore("message", input.sessionID, reconcile(next.session, { key: "id" }))
             for (const p of next.part) {
@@ -158,6 +220,7 @@ export const { use: useSync, provider: SyncProvider } = createSimpleContext({
           })
         })
         .finally(() => {
+          if (!tracked(input.directory, input.sessionID)) return
           setMeta("loading", key, false)
         })
     }
@@ -199,6 +262,7 @@ export const { use: useSync, provider: SyncProvider } = createSimpleContext({
           parts: Part[]
           agent: string
           model: { providerID: string; modelID: string }
+          variant?: string
         }) {
           const message: Message = {
             id: input.messageID,
@@ -207,6 +271,7 @@ export const { use: useSync, provider: SyncProvider } = createSimpleContext({
             time: { created: Date.now() },
             agent: input.agent,
             model: input.model,
+            variant: input.variant,
           }
           const [, setStore] = target()
           setOptimisticAdd(setStore as (...args: unknown[]) => void, {
@@ -222,11 +287,16 @@ export const { use: useSync, provider: SyncProvider } = createSimpleContext({
           const key = keyFor(directory, sessionID)
           const hasSession = Binary.search(store.session, sessionID, (s) => s.id).found
 
+          touch(directory, setStore, sessionID)
+
+          if (store.message[sessionID] !== undefined && hasSession && meta.limit[key] !== undefined) return
+
           const limit = meta.limit[key] ?? messagePageSize
 
           const sessionReq = hasSession
             ? Promise.resolve()
             : retry(() => client.session.get({ sessionID })).then((session) => {
+                if (!tracked(directory, sessionID)) return
                 const data = session.data
                 if (!data) return
                 setStore(
@@ -256,11 +326,13 @@ export const { use: useSync, provider: SyncProvider } = createSimpleContext({
           const directory = sdk.directory
           const client = sdk.client
           const [store, setStore] = globalSync.child(directory)
+          touch(directory, setStore, sessionID)
           if (store.session_diff[sessionID] !== undefined) return
 
           const key = keyFor(directory, sessionID)
           return runInflight(inflightDiff, key, () =>
             retry(() => client.session.diff({ sessionID })).then((diff) => {
+              if (!tracked(directory, sessionID)) return
               setStore("session_diff", sessionID, reconcile(diff.data ?? [], { key: "file" }))
             }),
           )
@@ -269,6 +341,7 @@ export const { use: useSync, provider: SyncProvider } = createSimpleContext({
           const directory = sdk.directory
           const client = sdk.client
           const [store, setStore] = globalSync.child(directory)
+          touch(directory, setStore, sessionID)
           const existing = store.todo[sessionID]
           const cached = globalSync.data.session_todo[sessionID]
           if (existing !== undefined) {
@@ -285,6 +358,7 @@ export const { use: useSync, provider: SyncProvider } = createSimpleContext({
           const key = keyFor(directory, sessionID)
           return runInflight(inflightTodo, key, () =>
             retry(() => client.session.todo({ sessionID })).then((todo) => {
+              if (!tracked(directory, sessionID)) return
               const list = todo.data ?? []
               setStore("todo", sessionID, reconcile(list, { key: "id" }))
               globalSync.todo.set(sessionID, list)
@@ -308,6 +382,7 @@ export const { use: useSync, provider: SyncProvider } = createSimpleContext({
             const directory = sdk.directory
             const client = sdk.client
             const [, setStore] = globalSync.child(directory)
+            touch(directory, setStore, sessionID)
             const key = keyFor(directory, sessionID)
             const step = count ?? messagePageSize
             if (meta.loading[key]) return
@@ -323,6 +398,11 @@ export const { use: useSync, provider: SyncProvider } = createSimpleContext({
             })
           },
         },
+        evict(sessionID: string, directory = sdk.directory) {
+          const [, setStore] = globalSync.child(directory)
+          seenFor(directory).delete(sessionID)
+          evict(directory, setStore, [sessionID])
+        },
         fetch: async (count = 10) => {
           const directory = sdk.directory
           const client = sdk.client

packages/app/src/context/terminal.test.ts

@@ -2,6 +2,7 @@ import { beforeAll, describe, expect, mock, test } from "bun:test"
 
 let getWorkspaceTerminalCacheKey: (dir: string) => string
 let getLegacyTerminalStorageKeys: (dir: string, legacySessionID?: string) => string[]
+let migrateTerminalState: (value: unknown) => unknown
 
 beforeAll(async () => {
   mock.module("@solidjs/router", () => ({
@@ -17,6 +18,7 @@ beforeAll(async () => {
   const mod = await import("./terminal")
   getWorkspaceTerminalCacheKey = mod.getWorkspaceTerminalCacheKey
   getLegacyTerminalStorageKeys = mod.getLegacyTerminalStorageKeys
+  migrateTerminalState = mod.migrateTerminalState
 })
 
 describe("getWorkspaceTerminalCacheKey", () => {
@@ -37,3 +39,44 @@ describe("getLegacyTerminalStorageKeys", () => {
     ])
   })
 })
+
+describe("migrateTerminalState", () => {
+  test("drops invalid terminals and restores a valid active terminal", () => {
+    expect(
+      migrateTerminalState({
+        active: "missing",
+        all: [
+          null,
+          { id: "one", title: "Terminal 2" },
+          { id: "one", title: "duplicate", titleNumber: 9 },
+          { id: "two", title: "logs", titleNumber: 4, rows: 24, cols: 80 },
+          { title: "no-id" },
+        ],
+      }),
+    ).toEqual({
+      active: "one",
+      all: [
+        { id: "one", title: "Terminal 2", titleNumber: 2 },
+        { id: "two", title: "logs", titleNumber: 4, rows: 24, cols: 80 },
+      ],
+    })
+  })
+
+  test("keeps a valid active id", () => {
+    expect(
+      migrateTerminalState({
+        active: "two",
+        all: [
+          { id: "one", title: "Terminal 1" },
+          { id: "two", title: "shell", titleNumber: 7 },
+        ],
+      }),
+    ).toEqual({
+      active: "two",
+      all: [
+        { id: "one", title: "Terminal 1", titleNumber: 1 },
+        { id: "two", title: "shell", titleNumber: 7 },
+      ],
+    })
+  })
+})

packages/app/src/context/terminal.tsx

@@ -1,6 +1,6 @@
 import { createStore, produce } from "solid-js/store"
 import { createSimpleContext } from "@opencode-ai/ui/context"
-import { batch, createEffect, createMemo, createRoot, onCleanup } from "solid-js"
+import { batch, createEffect, createMemo, createRoot, on, onCleanup } from "solid-js"
 import { useParams } from "@solidjs/router"
 import { useSDK } from "./sdk"
 import type { Platform } from "./platform"
@@ -20,6 +20,71 @@ export type LocalPTY = {
 const WORKSPACE_KEY = "__workspace__"
 const MAX_TERMINAL_SESSIONS = 20
 
+function record(value: unknown): value is Record<string, unknown> {
+  return typeof value === "object" && value !== null && !Array.isArray(value)
+}
+
+function text(value: unknown) {
+  return typeof value === "string" ? value : undefined
+}
+
+function num(value: unknown) {
+  return typeof value === "number" && Number.isFinite(value) ? value : undefined
+}
+
+function numberFromTitle(title: string) {
+  const match = title.match(/^Terminal (\d+)$/)
+  if (!match) return
+  const value = Number(match[1])
+  if (!Number.isFinite(value) || value <= 0) return
+  return value
+}
+
+function pty(value: unknown): LocalPTY | undefined {
+  if (!record(value)) return
+
+  const id = text(value.id)
+  if (!id) return
+
+  const title = text(value.title) ?? ""
+  const number = num(value.titleNumber)
+  const rows = num(value.rows)
+  const cols = num(value.cols)
+  const buffer = text(value.buffer)
+  const scrollY = num(value.scrollY)
+  const cursor = num(value.cursor)
+
+  return {
+    id,
+    title,
+    titleNumber: number && number > 0 ? number : (numberFromTitle(title) ?? 0),
+    ...(rows !== undefined ? { rows } : {}),
+    ...(cols !== undefined ? { cols } : {}),
+    ...(buffer !== undefined ? { buffer } : {}),
+    ...(scrollY !== undefined ? { scrollY } : {}),
+    ...(cursor !== undefined ? { cursor } : {}),
+  }
+}
+
+export function migrateTerminalState(value: unknown) {
+  if (!record(value)) return value
+
+  const seen = new Set<string>()
+  const all = (Array.isArray(value.all) ? value.all : []).flatMap((item) => {
+    const next = pty(item)
+    if (!next || seen.has(next.id)) return []
+    seen.add(next.id)
+    return [next]
+  })
+
+  const active = text(value.active)
+
+  return {
+    active: active && seen.has(active) ? active : all[0]?.id,
+    all,
+  }
+}
+
 export function getWorkspaceTerminalCacheKey(dir: string) {
   return `${dir}:${WORKSPACE_KEY}`
 }
@@ -38,6 +103,16 @@ type TerminalCacheEntry = {
 
 const caches = new Set<Map<string, TerminalCacheEntry>>()
 
+const trimTerminal = (pty: LocalPTY) => {
+  if (!pty.buffer && pty.cursor === undefined && pty.scrollY === undefined) return pty
+  return {
+    ...pty,
+    buffer: undefined,
+    cursor: undefined,
+    scrollY: undefined,
+  }
+}
+
 export function clearWorkspaceTerminals(dir: string, sessionIDs?: string[], platform?: Platform) {
   const key = getWorkspaceTerminalCacheKey(dir)
   for (const cache of caches) {
@@ -61,16 +136,11 @@ export function clearWorkspaceTerminals(dir: string, sessionIDs?: string[], plat
 function createWorkspaceTerminalSession(sdk: ReturnType<typeof useSDK>, dir: string, legacySessionID?: string) {
   const legacy = getLegacyTerminalStorageKeys(dir, legacySessionID)
 
-  const numberFromTitle = (title: string) => {
-    const match = title.match(/^Terminal (\d+)$/)
-    if (!match) return
-    const value = Number(match[1])
-    if (!Number.isFinite(value) || value <= 0) return
-    return value
-  }
-
   const [store, setStore, _, ready] = persisted(
-    Persist.workspace(dir, "terminal", legacy),
+    {
+      ...Persist.workspace(dir, "terminal", legacy),
+      migrate: migrateTerminalState,
+    },
     createStore<{
       active?: string
       all: LocalPTY[]
@@ -118,26 +188,6 @@ function createWorkspaceTerminalSession(sdk: ReturnType<typeof useSDK>, dir: str
   })
   onCleanup(unsub)
 
-  const meta = { migrated: false }
-
-  createEffect(() => {
-    if (!ready()) return
-    if (meta.migrated) return
-    meta.migrated = true
-
-    setStore("all", (all) => {
-      const next = all.map((pty) => {
-        const direct = Number.isFinite(pty.titleNumber) && pty.titleNumber > 0 ? pty.titleNumber : undefined
-        if (direct !== undefined) return pty
-        const parsed = numberFromTitle(pty.title)
-        if (parsed === undefined) return pty
-        return { ...pty, titleNumber: parsed }
-      })
-      if (next.every((pty, index) => pty === all[index])) return all
-      return next
-    })
-  })
-
   return {
     ready,
     all: createMemo(() => store.all),
@@ -188,6 +238,18 @@ function createWorkspaceTerminalSession(sdk: ReturnType<typeof useSDK>, dir: str
           console.error("Failed to update terminal", error)
         })
     },
+    trim(id: string) {
+      const index = store.all.findIndex((x) => x.id === id)
+      if (index === -1) return
+      setStore("all", index, (pty) => trimTerminal(pty))
+    },
+    trimAll() {
+      setStore("all", (all) => {
+        const next = all.map(trimTerminal)
+        if (next.every((pty, index) => pty === all[index])) return all
+        return next
+      })
+    },
     async clone(id: string) {
       const index = store.all.findIndex((x) => x.id === id)
       const pty = store.all[index]
@@ -322,12 +384,27 @@ export const { use: useTerminal, provider: TerminalProvider } = createSimpleCont
 
     const workspace = createMemo(() => loadWorkspace(params.dir!, params.id))
 
+    createEffect(
+      on(
+        () => ({ dir: params.dir, id: params.id }),
+        (next, prev) => {
+          if (!prev?.dir) return
+          if (next.dir === prev.dir && next.id === prev.id) return
+          if (next.dir === prev.dir && next.id) return
+          loadWorkspace(prev.dir, prev.id).trimAll()
+        },
+        { defer: true },
+      ),
+    )
+
     return {
       ready: () => workspace().ready(),
       all: () => workspace().all(),
       active: () => workspace().active(),
       new: () => workspace().new(),
       update: (pty: Partial<LocalPTY> & { id: string }) => workspace().update(pty),
+      trim: (id: string) => workspace().trim(id),
+      trimAll: () => workspace().trimAll(),
       clone: (id: string) => workspace().clone(id),
       open: (id: string) => workspace().open(id),
       close: (id: string) => workspace().close(id),

packages/app/src/i18n/ar.ts

@@ -456,6 +456,7 @@ export const dict = {
   "session.todo.title": "المهام",
   "session.todo.collapse": "طي",
   "session.todo.expand": "توسيع",
+  "session.new.title": "ابنِ أي شيء",
   "session.new.worktree.main": "الفرع الرئيسي",
   "session.new.worktree.mainWithBranch": "الفرع الرئيسي ({{branch}})",
   "session.new.worktree.create": "إنشاء شجرة عمل جديدة",

packages/app/src/i18n/br.ts

@@ -459,6 +459,7 @@ export const dict = {
   "session.todo.title": "Tarefas",
   "session.todo.collapse": "Recolher",
   "session.todo.expand": "Expandir",
+  "session.new.title": "Crie qualquer coisa",
   "session.new.worktree.main": "Branch principal",
   "session.new.worktree.mainWithBranch": "Branch principal ({{branch}})",
   "session.new.worktree.create": "Criar novo worktree",

packages/app/src/i18n/bs.ts

@@ -515,6 +515,7 @@ export const dict = {
   "session.todo.collapse": "Sažmi",
   "session.todo.expand": "Proširi",
 
+  "session.new.title": "Napravi bilo šta",
   "session.new.worktree.main": "Glavna grana",
   "session.new.worktree.mainWithBranch": "Glavna grana ({{branch}})",
   "session.new.worktree.create": "Kreiraj novi worktree",

packages/app/src/i18n/da.ts

@@ -510,6 +510,7 @@ export const dict = {
   "session.todo.collapse": "Skjul",
   "session.todo.expand": "Udvid",
 
+  "session.new.title": "Byg hvad som helst",
   "session.new.worktree.main": "Hovedgren",
   "session.new.worktree.mainWithBranch": "Hovedgren ({{branch}})",
   "session.new.worktree.create": "Opret nyt worktree",

packages/app/src/i18n/de.ts

@@ -467,6 +467,7 @@ export const dict = {
   "session.todo.title": "Aufgaben",
   "session.todo.collapse": "Einklappen",
   "session.todo.expand": "Ausklappen",
+  "session.new.title": "Baue, was du willst",
   "session.new.worktree.main": "Haupt-Branch",
   "session.new.worktree.mainWithBranch": "Haupt-Branch ({{branch}})",
   "session.new.worktree.create": "Neuen Worktree erstellen",

packages/app/src/i18n/en.ts

@@ -531,6 +531,7 @@ export const dict = {
   "session.todo.collapse": "Collapse",
   "session.todo.expand": "Expand",
 
+  "session.new.title": "Build anything",
   "session.new.worktree.main": "Main branch",
   "session.new.worktree.mainWithBranch": "Main branch ({{branch}})",
   "session.new.worktree.create": "Create new worktree",

packages/app/src/i18n/es.ts

@@ -516,6 +516,7 @@ export const dict = {
   "session.todo.collapse": "Contraer",
   "session.todo.expand": "Expandir",
 
+  "session.new.title": "Construye lo que quieras",
   "session.new.worktree.main": "Rama principal",
   "session.new.worktree.mainWithBranch": "Rama principal ({{branch}})",
   "session.new.worktree.create": "Crear nuevo árbol de trabajo",

packages/app/src/i18n/fr.ts

@@ -463,6 +463,7 @@ export const dict = {
   "session.todo.title": "Tâches",
   "session.todo.collapse": "Réduire",
   "session.todo.expand": "Développer",
+  "session.new.title": "Créez ce que vous voulez",
   "session.new.worktree.main": "Branche principale",
   "session.new.worktree.mainWithBranch": "Branche principale ({{branch}})",
   "session.new.worktree.create": "Créer un nouvel arbre de travail",

packages/app/src/i18n/ja.ts

@@ -457,6 +457,7 @@ export const dict = {
   "session.todo.title": "ToDo",
   "session.todo.collapse": "折りたたむ",
   "session.todo.expand": "展開",
+  "session.new.title": "何でも作る",
   "session.new.worktree.main": "メインブランチ",
   "session.new.worktree.mainWithBranch": "メインブランチ ({{branch}})",
   "session.new.worktree.create": "新しいワークツリーを作成",

packages/app/src/i18n/ko.ts

@@ -459,6 +459,7 @@ export const dict = {
   "session.todo.title": "할 일",
   "session.todo.collapse": "접기",
   "session.todo.expand": "펼치기",
+  "session.new.title": "무엇이든 만들기",
   "session.new.worktree.main": "메인 브랜치",
   "session.new.worktree.mainWithBranch": "메인 브랜치 ({{branch}})",
   "session.new.worktree.create": "새 작업 트리 생성",

packages/app/src/i18n/no.ts

@@ -516,6 +516,7 @@ export const dict = {
   "session.todo.collapse": "Skjul",
   "session.todo.expand": "Utvid",
 
+  "session.new.title": "Bygg hva som helst",
   "session.new.worktree.main": "Hovedgren",
   "session.new.worktree.mainWithBranch": "Hovedgren ({{branch}})",
   "session.new.worktree.create": "Opprett nytt worktree",

packages/app/src/i18n/pl.ts

@@ -458,6 +458,7 @@ export const dict = {
   "session.todo.title": "Zadania",
   "session.todo.collapse": "Zwiń",
   "session.todo.expand": "Rozwiń",
+  "session.new.title": "Zbuduj cokolwiek",
   "session.new.worktree.main": "Główna gałąź",
   "session.new.worktree.mainWithBranch": "Główna gałąź ({{branch}})",
   "session.new.worktree.create": "Utwórz nowe drzewo robocze",

packages/app/src/i18n/ru.ts

@@ -514,6 +514,7 @@ export const dict = {
   "session.todo.collapse": "Свернуть",
   "session.todo.expand": "Развернуть",
 
+  "session.new.title": "Создавайте что угодно",
   "session.new.worktree.main": "Основная ветка",
   "session.new.worktree.mainWithBranch": "Основная ветка ({{branch}})",
   "session.new.worktree.create": "Создать новый worktree",

packages/app/src/i18n/th.ts

@@ -511,6 +511,7 @@ export const dict = {
   "session.todo.collapse": "ย่อ",
   "session.todo.expand": "ขยาย",
 
+  "session.new.title": "สร้างอะไรก็ได้",
   "session.new.worktree.main": "สาขาหลัก",
   "session.new.worktree.mainWithBranch": "สาขาหลัก ({{branch}})",
   "session.new.worktree.create": "สร้าง worktree ใหม่",

packages/app/src/i18n/tr.ts

@@ -523,6 +523,7 @@ export const dict = {
   "session.todo.collapse": "Daralt",
   "session.todo.expand": "Genişlet",
 
+  "session.new.title": "İstediğini yap",
   "session.new.worktree.main": "Ana dal",
   "session.new.worktree.mainWithBranch": "Ana dal ({{branch}})",
   "session.new.worktree.create": "Yeni çalışma ağacı oluştur",

packages/app/src/i18n/zh.ts

@@ -510,6 +510,7 @@ export const dict = {
   "session.todo.title": "待办事项",
   "session.todo.collapse": "折叠",
   "session.todo.expand": "展开",
+  "session.new.title": "构建任何东西",
   "session.new.worktree.main": "主分支",
   "session.new.worktree.mainWithBranch": "主分支（{{branch}}）",
   "session.new.worktree.create": "创建新的 worktree",

packages/app/src/i18n/zht.ts

@@ -507,6 +507,7 @@ export const dict = {
   "session.todo.collapse": "折疊",
   "session.todo.expand": "展開",
 
+  "session.new.title": "建構任何東西",
   "session.new.worktree.main": "主分支",
   "session.new.worktree.mainWithBranch": "主分支 ({{branch}})",
   "session.new.worktree.create": "建立新的 worktree",

packages/app/src/pages/layout.tsx

@@ -34,6 +34,7 @@ import { useProviders } from "@/hooks/use-providers"
 import { showToast, Toast, toaster } from "@opencode-ai/ui/toast"
 import { useGlobalSDK } from "@/context/global-sdk"
 import { clearWorkspaceTerminals } from "@/context/terminal"
+import { dropSessionCaches, pickSessionCacheEvictions } from "@/context/global-sync/session-cache"
 import { useNotification } from "@/context/notification"
 import { usePermission } from "@/context/permission"
 import { Binary } from "@opencode-ai/util/binary"
@@ -50,9 +51,10 @@ import { DialogSelectProvider } from "@/components/dialog-select-provider"
 import { DialogSelectServer } from "@/components/dialog-select-server"
 import { DialogSettings } from "@/components/dialog-settings"
 import { useCommand, type CommandOption } from "@/context/command"
-import { ConstrainDragXAxis } from "@/utils/solid-dnd"
+import { ConstrainDragXAxis, getDraggableId } from "@/utils/solid-dnd"
 import { DialogSelectDirectory } from "@/components/dialog-select-directory"
 import { DialogEditProject } from "@/components/dialog-edit-project"
+import { DebugBar } from "@/components/debug-bar"
 import { Titlebar } from "@/components/titlebar"
 import { useServer } from "@/context/server"
 import { useLanguage, type Locale } from "@/context/language"
@@ -60,7 +62,6 @@ import {
   displayName,
   effectiveWorkspaceOrder,
   errorMessage,
-  getDraggableId,
   latestRootSession,
   sortedRootSessions,
   workspaceKey,
@@ -78,7 +79,6 @@ import {
   WorkspaceDragOverlay,
   type WorkspaceSidebarContext,
 } from "./layout/sidebar-workspace"
-import { workspaceOpenState } from "./layout/sidebar-workspace-helpers"
 import { ProjectDragOverlay, SortableProject, type ProjectSidebarContext } from "./layout/sidebar-project"
 import { SidebarContent } from "./layout/sidebar-shell"
 
@@ -423,6 +423,17 @@ export default function Layout(props: ParentProps) {
           return
         }
 
+        if (
+          e.details?.type === "question.replied" ||
+          e.details?.type === "question.rejected" ||
+          e.details?.type === "permission.replied"
+        ) {
+          const props = e.details.properties as { sessionID: string }
+          const sessionKey = `${e.name}:${props.sessionID}`
+          dismissSessionAlert(sessionKey)
+          return
+        }
+
         if (e.details?.type !== "permission.asked" && e.details?.type !== "question.asked") return
         const title =
           e.details.type === "permission.asked"
@@ -657,25 +668,24 @@ export default function Layout(props: ParentProps) {
   const prefetchQueues = new Map<string, PrefetchQueue>()
 
   const PREFETCH_MAX_SESSIONS_PER_DIR = 10
-  const prefetchedByDir = new Map<string, Map<string, true>>()
+  const prefetchedByDir = new Map<string, Set<string>>()
 
   const lruFor = (directory: string) => {
     const existing = prefetchedByDir.get(directory)
     if (existing) return existing
-    const created = new Map<string, true>()
+    const created = new Set<string>()
     prefetchedByDir.set(directory, created)
     return created
   }
 
   const markPrefetched = (directory: string, sessionID: string) => {
     const lru = lruFor(directory)
-    if (lru.has(sessionID)) lru.delete(sessionID)
-    lru.set(sessionID, true)
-    while (lru.size > PREFETCH_MAX_SESSIONS_PER_DIR) {
-      const oldest = lru.keys().next().value as string | undefined
-      if (!oldest) return
-      lru.delete(oldest)
-    }
+    return pickSessionCacheEvictions({
+      seen: lru,
+      keep: sessionID,
+      limit: PREFETCH_MAX_SESSIONS_PER_DIR,
+      preserve: directory === params.dir && params.id ? [params.id] : undefined,
+    })
   }
 
   createEffect(() => {
@@ -724,6 +734,7 @@ export default function Layout(props: ParentProps) {
     return retry(() => globalSDK.client.session.messages({ directory, sessionID, limit: prefetchChunk }))
       .then((messages) => {
         if (prefetchToken.value !== token) return
+        if (!lruFor(directory).has(sessionID)) return
 
         const items = (messages.data ?? []).filter((x) => !!x?.info?.id)
         const next = items.map((x) => x.info).filter((m): m is Message => !!m?.id)
@@ -787,7 +798,18 @@ export default function Layout(props: ParentProps) {
     const lru = lruFor(directory)
     const known = lru.has(session.id)
     if (!known && lru.size >= PREFETCH_MAX_SESSIONS_PER_DIR && priority !== "high") return
-    markPrefetched(directory, session.id)
+    const stale = markPrefetched(directory, session.id)
+    if (stale.length > 0) {
+      const [, setStore] = globalSync.child(directory, { bootstrap: false })
+      for (const id of stale) {
+        globalSync.todo.set(id, undefined)
+      }
+      setStore(
+        produce((draft) => {
+          dropSessionCaches(draft, stale)
+        }),
+      )
+    }
 
     if (priority === "high") q.pending.unshift(session.id)
     if (priority !== "high") q.pending.push(session.id)
@@ -1836,7 +1858,7 @@ export default function Layout(props: ParentProps) {
     setEditor,
     InlineEditor,
     isBusy,
-    workspaceExpanded: (directory, local) => workspaceOpenState(store.workspaceExpanded, directory, local),
+    workspaceExpanded: (directory, local) => store.workspaceExpanded[directory] ?? local,
     setWorkspaceExpanded: (directory, value) => setStore("workspaceExpanded", directory, value),
     showResetWorkspaceDialog: (root, directory) =>
       dialog.show(() => <DialogResetWorkspace root={root} directory={directory} />),
@@ -1879,6 +1901,7 @@ export default function Layout(props: ParentProps) {
 
   const SidebarPanel = (panelProps: { project: LocalProject | undefined; mobile?: boolean; merged?: boolean }) => {
     const merged = createMemo(() => panelProps.mobile || (panelProps.merged ?? layout.sidebar.opened()))
+    const hover = createMemo(() => !panelProps.mobile && panelProps.merged === false && !layout.sidebar.opened())
     const projectName = createMemo(() => {
       const project = panelProps.project
       if (!project) return ""
@@ -1904,11 +1927,11 @@ export default function Layout(props: ParentProps) {
     return (
       <div
         classList={{
-          "flex flex-col min-h-0 min-w-0 rounded-tl-[12px] px-2": true,
+          "flex flex-col min-h-0 min-w-0 box-border rounded-tl-[12px] px-2": true,
           "border border-b-0 border-border-weak-base": !merged(),
           "border-l border-t border-border-weaker-base": merged(),
-          "bg-background-base": merged(),
-          "bg-background-stronger": !merged(),
+          "bg-background-base": merged() || hover(),
+          "bg-background-stronger": !merged() && !hover(),
           "flex-1 min-w-0": panelProps.mobile,
           "max-w-full overflow-hidden": panelProps.mobile,
         }}
@@ -2111,193 +2134,204 @@ export default function Layout(props: ParentProps) {
   }
 
   return (
-    <div class="relative bg-background-base flex-1 min-h-0 flex flex-col select-none [&_input]:select-text [&_textarea]:select-text [&_[contenteditable]]:select-text">
+    <div class="relative bg-background-base flex-1 min-h-0 min-w-0 flex flex-col select-none [&_input]:select-text [&_textarea]:select-text [&_[contenteditable]]:select-text">
       <Titlebar />
-      <div class="flex-1 min-h-0 relative overflow-x-hidden">
-        <nav
-          aria-label={language.t("sidebar.nav.projectsAndSessions")}
-          data-component="sidebar-nav-desktop"
-          classList={{
-            "hidden xl:block": true,
-            "absolute inset-y-0 left-0": true,
-            "z-10": true,
-          }}
-          style={{ width: `${Math.max(layout.sidebar.width(), 244)}px` }}
-          ref={(el) => {
-            setState("nav", el)
-          }}
-          onMouseEnter={() => {
-            disarm()
-          }}
-          onMouseLeave={() => {
-            aim.reset()
-            if (!sidebarHovering()) return
+      <div class="flex-1 min-h-0 min-w-0 flex">
+        <div class="flex-1 min-h-0 relative">
+          <div class="size-full relative overflow-x-hidden">
+            <nav
+              aria-label={language.t("sidebar.nav.projectsAndSessions")}
+              data-component="sidebar-nav-desktop"
+              classList={{
+                "hidden xl:block": true,
+                "absolute inset-y-0 left-0": true,
+                "z-10": true,
+              }}
+              style={{ width: `${Math.max(layout.sidebar.width(), 244)}px` }}
+              ref={(el) => {
+                setState("nav", el)
+              }}
+              onMouseEnter={() => {
+                disarm()
+              }}
+              onMouseLeave={() => {
+                aim.reset()
+                if (!sidebarHovering()) return
 
-            arm()
-          }}
-        >
-          <div class="@container w-full h-full contain-strict">
-            <SidebarContent
-              opened={() => layout.sidebar.opened()}
-              aimMove={aim.move}
-              projects={() => layout.projects.list()}
-              renderProject={(project) => (
-                <SortableProject ctx={projectSidebarCtx} project={project} sortNow={sortNow} />
-              )}
-              handleDragStart={handleDragStart}
-              handleDragEnd={handleDragEnd}
-              handleDragOver={handleDragOver}
-              openProjectLabel={language.t("command.project.open")}
-              openProjectKeybind={() => command.keybind("project.open")}
-              onOpenProject={chooseProject}
-              renderProjectOverlay={() => (
-                <ProjectDragOverlay projects={() => layout.projects.list()} activeProject={() => store.activeProject} />
-              )}
-              settingsLabel={() => language.t("sidebar.settings")}
-              settingsKeybind={() => command.keybind("settings.open")}
-              onOpenSettings={openSettings}
-              helpLabel={() => language.t("sidebar.help")}
-              onOpenHelp={() => platform.openLink("https://opencode.ai/desktop-feedback")}
-              renderPanel={() => (
-                <Show when={currentProject()} keyed>
-                  {(project) => <SidebarPanel project={project} merged />}
-                </Show>
-              )}
+                arm()
+              }}
+            >
+              <div class="@container w-full h-full contain-strict">
+                <SidebarContent
+                  opened={() => layout.sidebar.opened()}
+                  aimMove={aim.move}
+                  projects={() => layout.projects.list()}
+                  renderProject={(project) => (
+                    <SortableProject ctx={projectSidebarCtx} project={project} sortNow={sortNow} />
+                  )}
+                  handleDragStart={handleDragStart}
+                  handleDragEnd={handleDragEnd}
+                  handleDragOver={handleDragOver}
+                  openProjectLabel={language.t("command.project.open")}
+                  openProjectKeybind={() => command.keybind("project.open")}
+                  onOpenProject={chooseProject}
+                  renderProjectOverlay={() => (
+                    <ProjectDragOverlay
+                      projects={() => layout.projects.list()}
+                      activeProject={() => store.activeProject}
+                    />
+                  )}
+                  settingsLabel={() => language.t("sidebar.settings")}
+                  settingsKeybind={() => command.keybind("settings.open")}
+                  onOpenSettings={openSettings}
+                  helpLabel={() => language.t("sidebar.help")}
+                  onOpenHelp={() => platform.openLink("https://opencode.ai/desktop-feedback")}
+                  renderPanel={() => (
+                    <Show when={currentProject()} keyed>
+                      {(project) => <SidebarPanel project={project} merged />}
+                    </Show>
+                  )}
+                />
+              </div>
+              <Show when={layout.sidebar.opened()}>
+                <div onPointerDown={() => setSizing(true)}>
+                  <ResizeHandle
+                    direction="horizontal"
+                    size={layout.sidebar.width()}
+                    min={244}
+                    max={typeof window === "undefined" ? 1000 : window.innerWidth * 0.3 + 64}
+                    collapseThreshold={244}
+                    onResize={(w) => {
+                      setSizing(true)
+                      if (sizet !== undefined) clearTimeout(sizet)
+                      sizet = window.setTimeout(() => setSizing(false), 120)
+                      layout.sidebar.resize(w)
+                    }}
+                    onCollapse={layout.sidebar.close}
+                  />
+                </div>
+              </Show>
+            </nav>
+
+            <div
+              class="hidden xl:block pointer-events-none absolute top-0 right-0 z-0 border-t border-border-weaker-base"
+              style={{ left: "calc(4rem + 12px)" }}
             />
-          </div>
-          <Show when={layout.sidebar.opened()}>
-            <div onPointerDown={() => setSizing(true)}>
-              <ResizeHandle
-                direction="horizontal"
-                size={layout.sidebar.width()}
-                min={244}
-                max={typeof window === "undefined" ? 1000 : window.innerWidth * 0.3 + 64}
-                collapseThreshold={244}
-                onResize={(w) => {
-                  setSizing(true)
-                  if (sizet !== undefined) clearTimeout(sizet)
-                  sizet = window.setTimeout(() => setSizing(false), 120)
-                  layout.sidebar.resize(w)
+
+            <div class="xl:hidden">
+              <div
+                classList={{
+                  "fixed inset-x-0 top-10 bottom-0 z-40 transition-opacity duration-200": true,
+                  "opacity-100 pointer-events-auto": layout.mobileSidebar.opened(),
+                  "opacity-0 pointer-events-none": !layout.mobileSidebar.opened(),
+                }}
+                onClick={(e) => {
+                  if (e.target === e.currentTarget) layout.mobileSidebar.hide()
                 }}
-                onCollapse={layout.sidebar.close}
               />
+              <nav
+                aria-label={language.t("sidebar.nav.projectsAndSessions")}
+                data-component="sidebar-nav-mobile"
+                classList={{
+                  "@container fixed top-10 bottom-0 left-0 z-50 w-full max-w-[400px] overflow-hidden border-r border-border-weaker-base bg-background-base transition-transform duration-200 ease-out": true,
+                  "translate-x-0": layout.mobileSidebar.opened(),
+                  "-translate-x-full": !layout.mobileSidebar.opened(),
+                }}
+                onClick={(e) => e.stopPropagation()}
+              >
+                <SidebarContent
+                  mobile
+                  opened={() => layout.sidebar.opened()}
+                  aimMove={aim.move}
+                  projects={() => layout.projects.list()}
+                  renderProject={(project) => (
+                    <SortableProject ctx={projectSidebarCtx} project={project} sortNow={sortNow} mobile />
+                  )}
+                  handleDragStart={handleDragStart}
+                  handleDragEnd={handleDragEnd}
+                  handleDragOver={handleDragOver}
+                  openProjectLabel={language.t("command.project.open")}
+                  openProjectKeybind={() => command.keybind("project.open")}
+                  onOpenProject={chooseProject}
+                  renderProjectOverlay={() => (
+                    <ProjectDragOverlay
+                      projects={() => layout.projects.list()}
+                      activeProject={() => store.activeProject}
+                    />
+                  )}
+                  settingsLabel={() => language.t("sidebar.settings")}
+                  settingsKeybind={() => command.keybind("settings.open")}
+                  onOpenSettings={openSettings}
+                  helpLabel={() => language.t("sidebar.help")}
+                  onOpenHelp={() => platform.openLink("https://opencode.ai/desktop-feedback")}
+                  renderPanel={() => <SidebarPanel project={currentProject()} mobile />}
+                />
+              </nav>
             </div>
-          </Show>
-        </nav>
 
-        <div
-          class="hidden xl:block pointer-events-none absolute top-0 right-0 z-0 border-t border-border-weaker-base"
-          style={{ left: "calc(4rem + 12px)" }}
-        />
+            <div
+              classList={{
+                "absolute inset-0": true,
+                "xl:inset-y-0 xl:right-0 xl:left-[var(--main-left)]": true,
+                "z-20": true,
+                "transition-[left] duration-200 ease-[cubic-bezier(0.22,1,0.36,1)] will-change-[left] motion-reduce:transition-none":
+                  !sizing(),
+              }}
+              style={{
+                "--main-left": layout.sidebar.opened() ? `${Math.max(layout.sidebar.width(), 244)}px` : "4rem",
+              }}
+            >
+              <main
+                classList={{
+                  "size-full overflow-x-hidden flex flex-col items-start contain-strict border-t border-border-weak-base bg-background-base xl:border-l xl:rounded-tl-[12px]": true,
+                }}
+              >
+                <Show when={!autoselecting()} fallback={<div class="size-full" />}>
+                  {props.children}
+                </Show>
+              </main>
+            </div>
 
-        <div class="xl:hidden">
-          <div
-            classList={{
-              "fixed inset-x-0 top-10 bottom-0 z-40 transition-opacity duration-200": true,
-              "opacity-100 pointer-events-auto": layout.mobileSidebar.opened(),
-              "opacity-0 pointer-events-none": !layout.mobileSidebar.opened(),
-            }}
-            onClick={(e) => {
-              if (e.target === e.currentTarget) layout.mobileSidebar.hide()
-            }}
-          />
-          <nav
-            aria-label={language.t("sidebar.nav.projectsAndSessions")}
-            data-component="sidebar-nav-mobile"
-            classList={{
-              "@container fixed top-10 bottom-0 left-0 z-50 w-full max-w-[400px] overflow-hidden border-r border-border-weaker-base bg-background-base transition-transform duration-200 ease-out": true,
-              "translate-x-0": layout.mobileSidebar.opened(),
-              "-translate-x-full": !layout.mobileSidebar.opened(),
-            }}
-            onClick={(e) => e.stopPropagation()}
-          >
-            <SidebarContent
-              mobile
-              opened={() => layout.sidebar.opened()}
-              aimMove={aim.move}
-              projects={() => layout.projects.list()}
-              renderProject={(project) => (
-                <SortableProject ctx={projectSidebarCtx} project={project} sortNow={sortNow} mobile />
-              )}
-              handleDragStart={handleDragStart}
-              handleDragEnd={handleDragEnd}
-              handleDragOver={handleDragOver}
-              openProjectLabel={language.t("command.project.open")}
-              openProjectKeybind={() => command.keybind("project.open")}
-              onOpenProject={chooseProject}
-              renderProjectOverlay={() => (
-                <ProjectDragOverlay projects={() => layout.projects.list()} activeProject={() => store.activeProject} />
-              )}
-              settingsLabel={() => language.t("sidebar.settings")}
-              settingsKeybind={() => command.keybind("settings.open")}
-              onOpenSettings={openSettings}
-              helpLabel={() => language.t("sidebar.help")}
-              onOpenHelp={() => platform.openLink("https://opencode.ai/desktop-feedback")}
-              renderPanel={() => <SidebarPanel project={currentProject()} mobile />}
-            />
-          </nav>
-        </div>
-
-        <div
-          classList={{
-            "absolute inset-0": true,
-            "xl:inset-y-0 xl:right-0 xl:left-[var(--main-left)]": true,
-            "z-20": true,
-            "transition-[left] duration-200 ease-[cubic-bezier(0.22,1,0.36,1)] will-change-[left] motion-reduce:transition-none":
-              !sizing(),
-          }}
-          style={{
-            "--main-left": layout.sidebar.opened() ? `${Math.max(layout.sidebar.width(), 244)}px` : "4rem",
-          }}
-        >
-          <main
-            classList={{
-              "size-full overflow-x-hidden flex flex-col items-start contain-strict border-t border-border-weak-base xl:border-l xl:rounded-tl-[12px]": true,
-            }}
-          >
-            <Show when={!autoselecting()} fallback={<div class="size-full" />}>
-              {props.children}
-            </Show>
-          </main>
-        </div>
-
-        <div
-          classList={{
-            "hidden xl:flex absolute inset-y-0 left-16 z-30": true,
-            "opacity-100 translate-x-0 pointer-events-auto": peeked() && !layout.sidebar.opened(),
-            "opacity-0 -translate-x-2 pointer-events-none": !peeked() || layout.sidebar.opened(),
-            "transition-[opacity,transform] motion-reduce:transition-none": true,
-            "duration-180 ease-out": peeked() && !layout.sidebar.opened(),
-            "duration-120 ease-in": !peeked() || layout.sidebar.opened(),
-          }}
-          onMouseMove={disarm}
-          onMouseEnter={() => {
-            disarm()
-            aim.reset()
-          }}
-          onPointerDown={disarm}
-          onMouseLeave={() => {
-            arm()
-          }}
-        >
-          <Show when={peek()} keyed>
-            {(project) => <SidebarPanel project={project} merged={false} />}
-          </Show>
-        </div>
-
-        <div
-          classList={{
-            "hidden xl:block pointer-events-none absolute inset-y-0 right-0 z-25 overflow-hidden": true,
-            "opacity-100 translate-x-0": peeked() && !layout.sidebar.opened(),
-            "opacity-0 -translate-x-2": !peeked() || layout.sidebar.opened(),
-            "transition-[opacity,transform] motion-reduce:transition-none": true,
-            "duration-180 ease-out": peeked() && !layout.sidebar.opened(),
-            "duration-120 ease-in": !peeked() || layout.sidebar.opened(),
-          }}
-          style={{ left: `calc(4rem + ${Math.max(Math.max(layout.sidebar.width(), 244) - 64, 0)}px)` }}
-        >
-          <div class="h-full w-px" style={{ "box-shadow": "var(--shadow-sidebar-overlay)" }} />
+            <div
+              classList={{
+                "hidden xl:flex absolute inset-y-0 left-16 z-30": true,
+                "opacity-100 translate-x-0 pointer-events-auto": peeked() && !layout.sidebar.opened(),
+                "opacity-0 -translate-x-2 pointer-events-none": !peeked() || layout.sidebar.opened(),
+                "transition-[opacity,transform] motion-reduce:transition-none": true,
+                "duration-180 ease-out": peeked() && !layout.sidebar.opened(),
+                "duration-120 ease-in": !peeked() || layout.sidebar.opened(),
+              }}
+              onMouseMove={disarm}
+              onMouseEnter={() => {
+                disarm()
+                aim.reset()
+              }}
+              onPointerDown={disarm}
+              onMouseLeave={() => {
+                arm()
+              }}
+            >
+              <Show when={peek()} keyed>
+                {(project) => <SidebarPanel project={project} merged={false} />}
+              </Show>
+            </div>
+
+            <div
+              classList={{
+                "hidden xl:block pointer-events-none absolute inset-y-0 right-0 z-25 overflow-hidden": true,
+                "opacity-100 translate-x-0": peeked() && !layout.sidebar.opened(),
+                "opacity-0 -translate-x-2": !peeked() || layout.sidebar.opened(),
+                "transition-[opacity,transform] motion-reduce:transition-none": true,
+                "duration-180 ease-out": peeked() && !layout.sidebar.opened(),
+                "duration-120 ease-in": !peeked() || layout.sidebar.opened(),
+              }}
+              style={{ left: `calc(4rem + ${Math.max(Math.max(layout.sidebar.width(), 244) - 64, 0)}px)` }}
+            >
+              <div class="h-full w-px" style={{ "box-shadow": "var(--shadow-sidebar-overlay)" }} />
+            </div>
+          </div>
         </div>
+        {import.meta.env.DEV && <DebugBar />}
       </div>
       <Toast.Region />
     </div>

packages/app/src/pages/layout/helpers.test.ts

@@ -6,9 +6,15 @@ import {
   parseDeepLink,
   parseNewSessionDeepLink,
 } from "./deep-links"
-import { displayName, errorMessage, getDraggableId, syncWorkspaceOrder, workspaceKey } from "./helpers"
 import { type Session } from "@opencode-ai/sdk/v2/client"
-import { hasProjectPermissions, latestRootSession } from "./helpers"
+import {
+  displayName,
+  errorMessage,
+  hasProjectPermissions,
+  latestRootSession,
+  syncWorkspaceOrder,
+  workspaceKey,
+} from "./helpers"
 
 const session = (input: Partial<Session> & Pick<Session, "id" | "directory">) =>
   ({
@@ -192,12 +198,6 @@ describe("layout workspace helpers", () => {
     expect(result?.id).toBe("root")
   })
 
-  test("extracts draggable id safely", () => {
-    expect(getDraggableId({ draggable: { id: "x" } })).toBe("x")
-    expect(getDraggableId({ draggable: { id: 42 } })).toBeUndefined()
-    expect(getDraggableId(null)).toBeUndefined()
-  })
-
   test("formats fallback project display name", () => {
     expect(displayName({ worktree: "/tmp/app" })).toBe("app")
     expect(displayName({ worktree: "/tmp/app", name: "My App" })).toBe("My App")

packages/app/src/pages/layout/helpers.ts

@@ -54,14 +54,6 @@ export const childMapByParent = (sessions: Session[]) => {
   return map
 }
 
-export function getDraggableId(event: unknown): string | undefined {
-  if (typeof event !== "object" || event === null) return undefined
-  if (!("draggable" in event)) return undefined
-  const draggable = (event as { draggable?: { id?: unknown } }).draggable
-  if (!draggable) return undefined
-  return typeof draggable.id === "string" ? draggable.id : undefined
-}
-
 export const displayName = (project: { name?: string; worktree: string }) =>
   project.name || getFilename(project.worktree)
 

packages/app/src/pages/layout/sidebar-project-helpers.test.ts

@@ -1,63 +0,0 @@
-import { describe, expect, test } from "bun:test"
-import { projectSelected, projectTileActive } from "./sidebar-project-helpers"
-
-describe("projectSelected", () => {
-  test("matches direct worktree", () => {
-    expect(projectSelected("/tmp/root", "/tmp/root")).toBe(true)
-  })
-
-  test("matches sandbox worktree", () => {
-    expect(projectSelected("/tmp/branch", "/tmp/root", ["/tmp/branch"])).toBe(true)
-    expect(projectSelected("/tmp/other", "/tmp/root", ["/tmp/branch"])).toBe(false)
-  })
-})
-
-describe("projectTileActive", () => {
-  test("menu state always wins", () => {
-    expect(
-      projectTileActive({
-        menu: true,
-        preview: false,
-        open: false,
-        overlay: false,
-        worktree: "/tmp/root",
-      }),
-    ).toBe(true)
-  })
-
-  test("preview mode uses open state", () => {
-    expect(
-      projectTileActive({
-        menu: false,
-        preview: true,
-        open: true,
-        overlay: true,
-        hoverProject: "/tmp/other",
-        worktree: "/tmp/root",
-      }),
-    ).toBe(true)
-  })
-
-  test("overlay mode uses hovered project", () => {
-    expect(
-      projectTileActive({
-        menu: false,
-        preview: false,
-        open: false,
-        overlay: true,
-        hoverProject: "/tmp/root",
-        worktree: "/tmp/root",
-      }),
-    ).toBe(true)
-    expect(
-      projectTileActive({
-        menu: false,
-        preview: false,
-        open: false,
-        overlay: true,
-        hoverProject: "/tmp/other",
-        worktree: "/tmp/root",
-      }),
-    ).toBe(false)
-  })
-})

packages/app/src/pages/layout/sidebar-project-helpers.ts

@@ -1,11 +0,0 @@
-export const projectSelected = (currentDir: string, worktree: string, sandboxes?: string[]) =>
-  worktree === currentDir || sandboxes?.includes(currentDir) === true
-
-export const projectTileActive = (args: {
-  menu: boolean
-  preview: boolean
-  open: boolean
-  overlay: boolean
-  hoverProject?: string
-  worktree: string
-}) => args.menu || (args.preview ? args.open : args.overlay && args.hoverProject === args.worktree)

packages/app/src/pages/layout/sidebar-project.tsx

@@ -5,8 +5,6 @@ import { Button } from "@opencode-ai/ui/button"
 import { ContextMenu } from "@opencode-ai/ui/context-menu"
 import { HoverCard } from "@opencode-ai/ui/hover-card"
 import { Icon } from "@opencode-ai/ui/icon"
-import { IconButton } from "@opencode-ai/ui/icon-button"
-import { Tooltip } from "@opencode-ai/ui/tooltip"
 import { createSortable } from "@thisbeyond/solid-dnd"
 import { useLayout, type LocalProject } from "@/context/layout"
 import { useGlobalSync } from "@/context/global-sync"
@@ -14,7 +12,6 @@ import { useLanguage } from "@/context/language"
 import { useNotification } from "@/context/notification"
 import { ProjectIcon, SessionItem, type SessionItemProps } from "./sidebar-items"
 import { childMapByParent, displayName, sortedRootSessions } from "./helpers"
-import { projectSelected, projectTileActive } from "./sidebar-project-helpers"
 
 export type ProjectSidebarContext = {
   currentDir: Accessor<string>
@@ -93,6 +90,7 @@ const ProjectTile = (props: {
       modal={!props.sidebarHovering()}
       onOpenChange={(value) => {
         props.setMenu(value)
+        props.setSuppressHover(value)
         if (value) props.setOpen(false)
       }}
     >
@@ -109,6 +107,12 @@ const ProjectTile = (props: {
             !props.selected() && !props.active(),
           "bg-surface-base-hover border border-border-weak-base": !props.selected() && props.active(),
         }}
+        onPointerDown={(event) => {
+          if (!props.overlay()) return
+          if (event.button !== 2 && !(event.button === 0 && event.ctrlKey)) return
+          props.setSuppressHover(true)
+          event.preventDefault()
+        }}
         onMouseEnter={(event: MouseEvent) => {
           if (!props.overlay()) return
           if (props.suppressHover()) return
@@ -194,21 +198,6 @@ const ProjectPreviewPanel = (props: {
   <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">
@@ -287,8 +276,10 @@ export const SortableProject = (props: {
   const globalSync = useGlobalSync()
   const language = useLanguage()
   const sortable = createSortable(props.project.worktree)
-  const selected = createMemo(() =>
-    projectSelected(props.ctx.currentDir(), props.project.worktree, props.project.sandboxes),
+  const selected = createMemo(
+    () =>
+      props.project.worktree === props.ctx.currentDir() ||
+      props.project.sandboxes?.includes(props.ctx.currentDir()) === true,
   )
   const workspaces = createMemo(() => props.ctx.workspaceIds(props.project).slice(0, 2))
   const workspaceEnabled = createMemo(() => props.ctx.workspacesEnabled(props.project))
@@ -301,15 +292,8 @@ export const SortableProject = (props: {
 
   const preview = createMemo(() => !props.mobile && props.ctx.sidebarOpened())
   const overlay = createMemo(() => !props.mobile && !props.ctx.sidebarOpened())
-  const active = createMemo(() =>
-    projectTileActive({
-      menu: state.menu,
-      preview: preview(),
-      open: state.open,
-      overlay: overlay(),
-      hoverProject: props.ctx.hoverProject(),
-      worktree: props.project.worktree,
-    }),
+  const active = createMemo(
+    () => state.menu || (preview() ? state.open : overlay() && props.ctx.hoverProject() === props.project.worktree),
   )
 
   createEffect(() => {

packages/app/src/pages/layout/sidebar-shell-helpers.ts

@@ -1 +0,0 @@
-export const sidebarExpanded = (mobile: boolean | undefined, opened: boolean) => !!mobile || opened

packages/app/src/pages/layout/sidebar-shell.test.ts

@@ -1,13 +0,0 @@
-import { describe, expect, test } from "bun:test"
-import { sidebarExpanded } from "./sidebar-shell-helpers"
-
-describe("sidebarExpanded", () => {
-  test("expands on mobile regardless of desktop open state", () => {
-    expect(sidebarExpanded(true, false)).toBe(true)
-  })
-
-  test("follows desktop open state when not mobile", () => {
-    expect(sidebarExpanded(false, true)).toBe(true)
-    expect(sidebarExpanded(false, false)).toBe(false)
-  })
-})

packages/app/src/pages/layout/sidebar-shell.tsx

@@ -11,7 +11,6 @@ import { ConstrainDragXAxis } from "@/utils/solid-dnd"
 import { IconButton } from "@opencode-ai/ui/icon-button"
 import { Tooltip, TooltipKeybind } from "@opencode-ai/ui/tooltip"
 import { type LocalProject } from "@/context/layout"
-import { sidebarExpanded } from "./sidebar-shell-helpers"
 
 export const SidebarContent = (props: {
   mobile?: boolean
@@ -33,7 +32,7 @@ export const SidebarContent = (props: {
   onOpenHelp: () => void
   renderPanel: () => JSX.Element
 }): JSX.Element => {
-  const expanded = createMemo(() => sidebarExpanded(props.mobile, props.opened()))
+  const expanded = createMemo(() => !!props.mobile || props.opened())
   const placement = () => (props.mobile ? "bottom" : "right")
   let panel: HTMLDivElement | undefined
 

packages/app/src/pages/layout/sidebar-workspace-helpers.ts

@@ -1,2 +0,0 @@
-export const workspaceOpenState = (expanded: Record<string, boolean>, directory: string, local: boolean) =>
-  expanded[directory] ?? local

packages/app/src/pages/layout/sidebar-workspace.test.ts

@@ -1,13 +0,0 @@
-import { describe, expect, test } from "bun:test"
-import { workspaceOpenState } from "./sidebar-workspace-helpers"
-
-describe("workspaceOpenState", () => {
-  test("defaults to local workspace open", () => {
-    expect(workspaceOpenState({}, "/tmp/root", true)).toBe(true)
-  })
-
-  test("uses persisted expansion state when present", () => {
-    expect(workspaceOpenState({ "/tmp/root": false }, "/tmp/root", true)).toBe(false)
-    expect(workspaceOpenState({ "/tmp/branch": true }, "/tmp/branch", false)).toBe(true)
-  })
-})

packages/app/src/pages/layout/sidebar-workspace.tsx

@@ -144,8 +144,6 @@ const WorkspaceActions = (props: {
   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>
@@ -340,6 +338,22 @@ export const SortableWorkspace = (props: {
   }
 
   const workspaceEditActive = createMemo(() => props.ctx.editorOpen(`workspace:${props.directory}`))
+  const 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}
+    />
+  )
 
   const openWrapper = (value: boolean) => {
     props.ctx.setWorkspaceExpanded(props.directory, value)
@@ -379,20 +393,7 @@ export const SortableWorkspace = (props: {
                     data-action="workspace-toggle"
                     data-workspace={base64Encode(props.directory)}
                   >
-                    <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}
-                    />
+                    {header()}
                   </Collapsible.Trigger>
                 }
               >
@@ -401,20 +402,7 @@ export const SortableWorkspace = (props: {
                     menu.open ? "pr-16" : "pr-2"
                   } group-hover/workspace:pr-16 group-focus-within/workspace:pr-16`}
                 >
-                  <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}
-                  />
+                  {header()}
                 </div>
               </Show>
               <WorkspaceActions
@@ -426,8 +414,6 @@ export const SortableWorkspace = (props: {
                 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}
@@ -490,44 +476,18 @@ export const LocalWorkspace = (props: {
       ref={(el) => props.ctx.setScrollContainerRef(el, props.mobile)}
       class="size-full flex flex-col py-2 overflow-y-auto no-scrollbar [overflow-anchor:none]"
     >
-      <nav class="flex flex-col gap-1 px-3">
-        <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={() => false}
+        loading={loading}
+        sessions={sessions}
+        children={children}
+        hasMore={hasMore}
+        loadMore={loadMore}
+        language={language}
+      />
     </div>
   )
 }

packages/app/src/pages/session.tsx

@@ -32,11 +32,12 @@ import { useLayout } from "@/context/layout"
 import { usePrompt } from "@/context/prompt"
 import { useSDK } from "@/context/sdk"
 import { useSync } from "@/context/sync"
+import { useTerminal } from "@/context/terminal"
 import { createSessionComposerState, SessionComposerRegion } from "@/pages/session/composer"
-import { createOpenReviewFile } from "@/pages/session/helpers"
+import { createOpenReviewFile, createSizing, focusTerminalById } from "@/pages/session/helpers"
 import { MessageTimeline } from "@/pages/session/message-timeline"
 import { type DiffStyle, SessionReviewTab, type SessionReviewTabProps } from "@/pages/session/review-tab"
-import { createScrollSpy } from "@/pages/session/scroll-spy"
+import { resetSessionModel, syncSessionModel } from "@/pages/session/session-model-helpers"
 import { SessionMobileTabs } from "@/pages/session/session-mobile-tabs"
 import { SessionSidePanel } from "@/pages/session/session-side-panel"
 import { TerminalPanel } from "@/pages/session/terminal-panel"
@@ -267,6 +268,7 @@ export default function Page() {
   const sdk = useSDK()
   const prompt = usePrompt()
   const comments = useComments()
+  const terminal = useTerminal()
   const [searchParams, setSearchParams] = useSearchParams<{ prompt?: string }>()
 
   createEffect(() => {
@@ -284,6 +286,7 @@ export default function Page() {
   const [ui, setUi] = createStore({
     git: false,
     pendingMessage: undefined as string | undefined,
+    reviewSnap: false,
     scrollGesture: 0,
     scroll: {
       overflow: false,
@@ -336,6 +339,7 @@ export default function Page() {
   )
 
   const isDesktop = createMediaQuery("(min-width: 768px)")
+  const size = createSizing()
   const desktopReviewOpen = createMemo(() => isDesktop() && view().reviewPanel.opened())
   const desktopFileTreeOpen = createMemo(() => isDesktop() && layout.fileTree.opened())
   const desktopSidePanelOpen = createMemo(() => desktopReviewOpen() || desktopFileTreeOpen())
@@ -421,15 +425,24 @@ export default function Page() {
       () => {
         const msg = lastUserMessage()
         if (!msg) return
-        if (msg.agent) {
-          local.agent.set(msg.agent)
-          if (local.agent.current()?.model) return
-        }
-        if (msg.model) local.model.set(msg.model)
+        syncSessionModel(local, msg)
       },
     ),
   )
 
+  createEffect(
+    on(
+      () => ({ dir: params.dir, id: params.id }),
+      (next, prev) => {
+        if (!prev) return
+        if (next.dir === prev.dir && next.id === prev.id) return
+        if (prev.id) sync.session.evict(prev.id, prev.dir)
+        if (!next.id) resetSessionModel(local)
+      },
+      { defer: true },
+    ),
+  )
+
   const [store, setStore] = createStore({
     messageId: undefined as string | undefined,
     mobileTab: "session" as "session" | "changes",
@@ -449,6 +462,21 @@ export default function Page() {
     return key
   }, sessionKey())
 
+  let reviewFrame: number | undefined
+
+  createComputed((prev) => {
+    const open = desktopReviewOpen()
+    if (prev === undefined || prev === open) return open
+
+    if (reviewFrame !== undefined) cancelAnimationFrame(reviewFrame)
+    setUi("reviewSnap", true)
+    reviewFrame = requestAnimationFrame(() => {
+      reviewFrame = undefined
+      setUi("reviewSnap", false)
+    })
+    return open
+  }, desktopReviewOpen())
+
   const turnDiffs = createMemo(() => lastUserMessage()?.summary?.diffs ?? [])
   const reviewDiffs = createMemo(() => (store.changes === "session" ? diffs() : turnDiffs()))
 
@@ -459,20 +487,49 @@ export default function Page() {
     return "main"
   })
 
-  const activeMessage = createMemo(() => {
-    if (!store.messageId) return lastUserMessage()
-    const found = visibleUserMessages()?.find((m) => m.id === store.messageId)
-    return found ?? lastUserMessage()
-  })
   const setActiveMessage = (message: UserMessage | undefined) => {
+    messageMark = scrollMark
     setStore("messageId", message?.id)
   }
 
+  const anchor = (id: string) => `message-${id}`
+
+  const cursor = () => {
+    const root = scroller
+    if (!root) return store.messageId
+
+    const box = root.getBoundingClientRect()
+    const line = box.top + 100
+    const list = [...root.querySelectorAll<HTMLElement>("[data-message-id]")]
+      .map((el) => {
+        const id = el.dataset.messageId
+        if (!id) return
+
+        const rect = el.getBoundingClientRect()
+        return { id, top: rect.top, bottom: rect.bottom }
+      })
+      .filter((item): item is { id: string; top: number; bottom: number } => !!item)
+
+    const shown = list.filter((item) => item.bottom > box.top && item.top < box.bottom)
+    const hit = shown.find((item) => item.top <= line && item.bottom >= line)
+    if (hit) return hit.id
+
+    const near = [...shown].sort((a, b) => {
+      const da = Math.abs(a.top - line)
+      const db = Math.abs(b.top - line)
+      if (da !== db) return da - db
+      return a.top - b.top
+    })[0]
+    if (near) return near.id
+
+    return list.filter((item) => item.top <= line).at(-1)?.id ?? list[0]?.id ?? store.messageId
+  }
+
   function navigateMessageByOffset(offset: number) {
     const msgs = visibleUserMessages()
     if (msgs.length === 0) return
 
-    const current = store.messageId
+    const current = store.messageId && messageMark === scrollMark ? store.messageId : cursor()
     const base = current ? msgs.findIndex((m) => m.id === current) : msgs.length
     const currentIndex = base === -1 ? msgs.length : base
     const targetIndex = currentIndex + offset
@@ -545,6 +602,8 @@ export default function Page() {
   let dockHeight = 0
   let scroller: HTMLDivElement | undefined
   let content: HTMLDivElement | undefined
+  let scrollMark = 0
+  let messageMark = 0
 
   const scrollGestureWindowMs = 250
 
@@ -589,6 +648,7 @@ export default function Page() {
       () => {
         setStore("messageId", undefined)
         setStore("changes", "session")
+        setUi("pendingMessage", undefined)
       },
       { defer: true },
     ),
@@ -701,8 +761,11 @@ export default function Page() {
       return
     }
 
-    // Don't autofocus chat if desktop terminal panel is open
-    if (isDesktop() && view().terminal.opened()) return
+    // Prefer the open terminal over the composer when it can take focus
+    if (view().terminal.opened()) {
+      const id = terminal.active()
+      if (id && focusTerminalById(id)) return
+    }
 
     // Only treat explicit scroll keys as potential "user scroll" gestures.
     if (event.key === "PageUp" || event.key === "PageDown" || event.key === "Home" || event.key === "End") {
@@ -794,11 +857,41 @@ export default function Page() {
   }
 
   const emptyTurn = () => (
-    <div class="h-full pb-30 flex flex-col items-center justify-center text-center gap-6">
+    <div class="h-full pb-64 -mt-4 flex flex-col items-center justify-center text-center gap-6">
       <div class="text-14-regular text-text-weak max-w-56">{language.t("session.review.noChanges")}</div>
     </div>
   )
 
+  const reviewEmpty = (input: { loadingClass: string; emptyClass: string }) => {
+    if (store.changes === "turn") return emptyTurn()
+
+    if (hasReview() && !diffsReady()) {
+      return <div class={input.loadingClass}>{language.t("session.review.loadingChanges")}</div>
+    }
+
+    if (reviewEmptyKey() === "session.review.noVcs") {
+      return (
+        <div class={input.emptyClass}>
+          <div class="flex flex-col gap-3">
+            <div class="text-14-medium text-text-strong">Create a Git repository</div>
+            <div class="text-14-regular text-text-base max-w-md" style={{ "line-height": "var(--line-height-normal)" }}>
+              Track, review, and undo changes in this project
+            </div>
+          </div>
+          <Button size="large" disabled={ui.git} onClick={initGit}>
+            {ui.git ? "Creating Git repository..." : "Create Git repository"}
+          </Button>
+        </div>
+      )
+    }
+
+    return (
+      <div class={input.emptyClass}>
+        <div class="text-14-regular text-text-weak max-w-56">{language.t(reviewEmptyKey())}</div>
+      </div>
+    )
+  }
+
   const reviewContent = (input: {
     diffStyle: DiffStyle
     onDiffStyleChange?: (style: DiffStyle) => void
@@ -807,98 +900,25 @@ export default function Page() {
     emptyClass: string
   }) => (
     <Show when={!store.deferRender}>
-      <Switch>
-        <Match when={store.changes === "turn" && !!params.id}>
-          <SessionReviewTab
-            title={changesTitle()}
-            empty={emptyTurn()}
-            diffs={reviewDiffs}
-            view={view}
-            diffStyle={input.diffStyle}
-            onDiffStyleChange={input.onDiffStyleChange}
-            onScrollRef={(el) => setTree("reviewScroll", el)}
-            focusedFile={tree.activeDiff}
-            onLineComment={(comment) => addCommentToContext({ ...comment, origin: "review" })}
-            onLineCommentUpdate={updateCommentInContext}
-            onLineCommentDelete={removeCommentFromContext}
-            lineCommentActions={reviewCommentActions()}
-            comments={comments.all()}
-            focusedComment={comments.focus()}
-            onFocusedCommentChange={comments.setFocus}
-            onViewFile={openReviewFile}
-            classes={input.classes}
-          />
-        </Match>
-        <Match when={hasReview()}>
-          <Show
-            when={diffsReady()}
-            fallback={<div class={input.loadingClass}>{language.t("session.review.loadingChanges")}</div>}
-          >
-            <SessionReviewTab
-              title={changesTitle()}
-              diffs={reviewDiffs}
-              view={view}
-              diffStyle={input.diffStyle}
-              onDiffStyleChange={input.onDiffStyleChange}
-              onScrollRef={(el) => setTree("reviewScroll", el)}
-              focusedFile={tree.activeDiff}
-              onLineComment={(comment) => addCommentToContext({ ...comment, origin: "review" })}
-              onLineCommentUpdate={updateCommentInContext}
-              onLineCommentDelete={removeCommentFromContext}
-              lineCommentActions={reviewCommentActions()}
-              comments={comments.all()}
-              focusedComment={comments.focus()}
-              onFocusedCommentChange={comments.setFocus}
-              onViewFile={openReviewFile}
-              classes={input.classes}
-            />
-          </Show>
-        </Match>
-        <Match when={true}>
-          <SessionReviewTab
-            title={changesTitle()}
-            empty={
-              store.changes === "turn" ? (
-                emptyTurn()
-              ) : reviewEmptyKey() === "session.review.noVcs" ? (
-                <div class={input.emptyClass}>
-                  <div class="flex flex-col gap-3">
-                    <div class="text-14-medium text-text-strong">Create a Git repository</div>
-                    <div
-                      class="text-14-regular text-text-base max-w-md"
-                      style={{ "line-height": "var(--line-height-normal)" }}
-                    >
-                      Track, review, and undo changes in this project
-                    </div>
-                  </div>
-                  <Button size="large" disabled={ui.git} onClick={initGit}>
-                    {ui.git ? "Creating Git repository..." : "Create Git repository"}
-                  </Button>
-                </div>
-              ) : (
-                <div class={input.emptyClass}>
-                  <div class="text-14-regular text-text-weak max-w-56">{language.t(reviewEmptyKey())}</div>
-                </div>
-              )
-            }
-            diffs={reviewDiffs}
-            view={view}
-            diffStyle={input.diffStyle}
-            onDiffStyleChange={input.onDiffStyleChange}
-            onScrollRef={(el) => setTree("reviewScroll", el)}
-            focusedFile={tree.activeDiff}
-            onLineComment={(comment) => addCommentToContext({ ...comment, origin: "review" })}
-            onLineCommentUpdate={updateCommentInContext}
-            onLineCommentDelete={removeCommentFromContext}
-            lineCommentActions={reviewCommentActions()}
-            comments={comments.all()}
-            focusedComment={comments.focus()}
-            onFocusedCommentChange={comments.setFocus}
-            onViewFile={openReviewFile}
-            classes={input.classes}
-          />
-        </Match>
-      </Switch>
+      <SessionReviewTab
+        title={changesTitle()}
+        empty={reviewEmpty(input)}
+        diffs={reviewDiffs}
+        view={view}
+        diffStyle={input.diffStyle}
+        onDiffStyleChange={input.onDiffStyleChange}
+        onScrollRef={(el) => setTree("reviewScroll", el)}
+        focusedFile={tree.activeDiff}
+        onLineComment={(comment) => addCommentToContext({ ...comment, origin: "review" })}
+        onLineCommentUpdate={updateCommentInContext}
+        onLineCommentDelete={removeCommentFromContext}
+        lineCommentActions={reviewCommentActions()}
+        comments={comments.all()}
+        focusedComment={comments.focus()}
+        onFocusedCommentChange={comments.setFocus}
+        onViewFile={openReviewFile}
+        classes={input.classes}
+      />
     </Show>
   )
 
@@ -909,7 +929,7 @@ export default function Page() {
           diffStyle: layout.review.diffStyle(),
           onDiffStyleChange: layout.review.setDiffStyle,
           loadingClass: "px-6 py-4 text-text-weak",
-          emptyClass: "h-full pb-30 flex flex-col items-center justify-center text-center gap-6",
+          emptyClass: "h-full pb-64 -mt-4 flex flex-col items-center justify-center text-center gap-6",
         })}
       </div>
     </div>
@@ -1033,23 +1053,6 @@ export default function Page() {
     tabs().setActive(next)
   })
 
-  createEffect(
-    on(
-      () => layout.fileTree.opened(),
-      (opened, prev) => {
-        if (prev === undefined) return
-        if (!isDesktop()) return
-
-        if (opened) {
-          const active = tabs().active()
-          const tab = active === "review" || (!active && hasReview()) ? "changes" : "all"
-          layout.fileTree.setTab(tab)
-        }
-      },
-      { defer: true },
-    ),
-  )
-
   createEffect(() => {
     const id = params.id
     if (!id) return
@@ -1100,12 +1103,6 @@ export default function Page() {
 
   let scrollStateFrame: number | undefined
   let scrollStateTarget: HTMLDivElement | undefined
-  const scrollSpy = createScrollSpy({
-    onActive: (id) => {
-      if (id === store.messageId) return
-      setStore("messageId", id)
-    },
-  })
 
   const updateScrollState = (el: HTMLDivElement) => {
     const max = el.scrollHeight - el.clientHeight
@@ -1153,31 +1150,21 @@ export default function Page() {
     ),
   )
 
-  createEffect(
-    on(
-      sessionKey,
-      () => {
-        scrollSpy.clear()
-      },
-      { defer: true },
-    ),
-  )
-
-  const anchor = (id: string) => `message-${id}`
-
   const setScrollRef = (el: HTMLDivElement | undefined) => {
     scroller = el
     autoScroll.scrollRef(el)
-    scrollSpy.setContainer(el)
     if (el) scheduleScrollState(el)
   }
 
+  const markUserScroll = () => {
+    scrollMark += 1
+  }
+
   createResizeObserver(
     () => content,
     () => {
       const el = scroller
       if (el) scheduleScrollState(el)
-      scrollSpy.markDirty()
     },
   )
 
@@ -1210,7 +1197,6 @@ export default function Page() {
       if (stick) autoScroll.forceScrollToBottom()
 
       if (el) scheduleScrollState(el)
-      scrollSpy.markDirty()
     },
   )
 
@@ -1238,7 +1224,7 @@ export default function Page() {
 
   onCleanup(() => {
     document.removeEventListener("keydown", handleKeyDown)
-    scrollSpy.destroy()
+    if (reviewFrame !== undefined) cancelAnimationFrame(reviewFrame)
     if (scrollStateFrame !== undefined) cancelAnimationFrame(scrollStateFrame)
   })
 
@@ -1258,9 +1244,9 @@ export default function Page() {
         {/* Session panel */}
         <div
           classList={{
-            "@container relative shrink-0 flex flex-col min-h-0 h-full bg-background-stronger": true,
-            "flex-1": true,
-            "md:flex-none": desktopSidePanelOpen(),
+            "@container relative shrink-0 flex flex-col min-h-0 h-full bg-background-stronger flex-1 md:flex-none": true,
+            "transition-[width] duration-[240ms] ease-[cubic-bezier(0.22,1,0.36,1)] will-change-[width] motion-reduce:transition-none":
+              !size.active() && !ui.reviewSnap,
           }}
           style={{
             width: sessionPanelWidth(),
@@ -1269,7 +1255,7 @@ export default function Page() {
           <div class="flex-1 min-h-0 overflow-hidden">
             <Switch>
               <Match when={params.id}>
-                <Show when={activeMessage()}>
+                <Show when={lastUserMessage()}>
                   <MessageTimeline
                     mobileChanges={mobileChanges()}
                     mobileFallback={reviewContent({
@@ -1280,7 +1266,7 @@ export default function Page() {
                         container: "px-4",
                       },
                       loadingClass: "px-4 py-4 text-text-weak",
-                      emptyClass: "h-full pb-30 flex flex-col items-center justify-center text-center gap-6",
+                      emptyClass: "h-full pb-64 -mt-4 flex flex-col items-center justify-center text-center gap-6",
                     })}
                     scroll={ui.scroll}
                     onResumeScroll={resumeScroll}
@@ -1289,8 +1275,7 @@ export default function Page() {
                     onAutoScrollHandleScroll={autoScroll.handleScroll}
                     onMarkScrollGesture={markScrollGesture}
                     hasScrollGesture={hasScrollGesture}
-                    isDesktop={isDesktop()}
-                    onScrollSpyScroll={scrollSpy.onScroll}
+                    onUserScroll={markUserScroll}
                     onTurnBackfillScroll={historyWindow.onScrollerScroll}
                     onAutoScrollInteraction={autoScroll.handleInteraction}
                     centered={centered()}
@@ -1309,8 +1294,6 @@ export default function Page() {
                     }}
                     renderedUserMessages={historyWindow.renderedUserMessages()}
                     anchor={anchor}
-                    onRegisterMessage={scrollSpy.register}
-                    onUnregisterMessage={scrollSpy.unregister}
                   />
                 </Show>
               </Match>
@@ -1356,17 +1339,28 @@ export default function Page() {
           />
 
           <Show when={desktopReviewOpen()}>
-            <ResizeHandle
-              direction="horizontal"
-              size={layout.session.width()}
-              min={450}
-              max={typeof window === "undefined" ? 1000 : window.innerWidth * 0.45}
-              onResize={layout.session.resize}
-            />
+            <div onPointerDown={() => size.start()}>
+              <ResizeHandle
+                direction="horizontal"
+                size={layout.session.width()}
+                min={450}
+                max={typeof window === "undefined" ? 1000 : window.innerWidth * 0.45}
+                onResize={(width) => {
+                  size.touch()
+                  layout.session.resize(width)
+                }}
+              />
+            </div>
           </Show>
         </div>
 
-        <SessionSidePanel reviewPanel={reviewPanel} activeDiff={tree.activeDiff} focusReviewDiff={focusReviewDiff} />
+        <SessionSidePanel
+          reviewPanel={reviewPanel}
+          activeDiff={tree.activeDiff}
+          focusReviewDiff={focusReviewDiff}
+          reviewSnap={ui.reviewSnap}
+          size={size}
+        />
       </div>
 
       <TerminalPanel />

packages/app/src/pages/session/composer/index.ts

@@ -1,3 +1,2 @@
 export { SessionComposerRegion } from "./session-composer-region"
-export { createSessionComposerBlocked, createSessionComposerState } from "./session-composer-state"
-export type { SessionComposerState } from "./session-composer-state"
+export { createSessionComposerState } from "./session-composer-state"

packages/app/src/pages/session/composer/session-composer-state.test.ts

@@ -1,5 +1,6 @@
 import { describe, expect, test } from "bun:test"
 import type { PermissionRequest, QuestionRequest, Session } from "@opencode-ai/sdk/v2/client"
+import { todoState } from "./session-composer-state"
 import { sessionPermissionRequest, sessionQuestionRequest } from "./session-request-tree"
 
 const session = (input: { id: string; parentID?: string }) =>
@@ -103,3 +104,25 @@ describe("sessionQuestionRequest", () => {
     expect(sessionQuestionRequest(sessions, questions, "root")?.id).toBe("q-grand")
   })
 })
+
+describe("todoState", () => {
+  test("hides when there are no todos", () => {
+    expect(todoState({ count: 0, done: false, live: true })).toBe("hide")
+  })
+
+  test("opens while the session is still working", () => {
+    expect(todoState({ count: 2, done: false, live: true })).toBe("open")
+  })
+
+  test("closes completed todos after a running turn", () => {
+    expect(todoState({ count: 2, done: true, live: true })).toBe("close")
+  })
+
+  test("clears stale todos when the turn ends", () => {
+    expect(todoState({ count: 2, done: false, live: false })).toBe("clear")
+  })
+
+  test("clears completed todos when the session is no longer live", () => {
+    expect(todoState({ count: 2, done: true, live: false })).toBe("clear")
+  })
+})

packages/app/src/pages/session/composer/session-composer-state.ts

@@ -10,25 +10,19 @@ import { useSDK } from "@/context/sdk"
 import { useSync } from "@/context/sync"
 import { sessionPermissionRequest, sessionQuestionRequest } from "./session-request-tree"
 
-export function createSessionComposerBlocked() {
-  const params = useParams()
-  const permission = usePermission()
-  const sdk = useSDK()
-  const sync = useSync()
-  const permissionRequest = createMemo(() =>
-    sessionPermissionRequest(sync.data.session, sync.data.permission, params.id, (item) => {
-      return !permission.autoResponds(item, sdk.directory)
-    }),
-  )
-  const questionRequest = createMemo(() => sessionQuestionRequest(sync.data.session, sync.data.question, params.id))
-
-  return createMemo(() => {
-    const id = params.id
-    if (!id) return false
-    return !!permissionRequest() || !!questionRequest()
-  })
+export const todoState = (input: {
+  count: number
+  done: boolean
+  live: boolean
+}): "hide" | "clear" | "open" | "close" => {
+  if (input.count === 0) return "hide"
+  if (!input.live) return "clear"
+  if (!input.done) return "open"
+  return "close"
 }
 
+const idle = { type: "idle" as const }
+
 export function createSessionComposerState(options?: { closeMs?: number | (() => number) }) {
   const params = useParams()
   const sdk = useSDK()
@@ -59,9 +53,22 @@ export function createSessionComposerState(options?: { closeMs?: number | (() =>
     return globalSync.data.session_todo[id] ?? []
   })
 
+  const done = createMemo(
+    () => todos().length > 0 && todos().every((todo) => todo.status === "completed" || todo.status === "cancelled"),
+  )
+
+  const status = createMemo(() => {
+    const id = params.id
+    if (!id) return idle
+    return sync.data.session_status[id] ?? idle
+  })
+
+  const busy = createMemo(() => status().type !== "idle")
+  const live = createMemo(() => busy() || blocked())
+
   const [store, setStore] = createStore({
     responding: undefined as string | undefined,
-    dock: todos().length > 0,
+    dock: todos().length > 0 && live(),
     closing: false,
     opening: false,
   })
@@ -89,10 +96,6 @@ export function createSessionComposerState(options?: { closeMs?: number | (() =>
       })
   }
 
-  const done = createMemo(
-    () => todos().length > 0 && todos().every((todo) => todo.status === "completed" || todo.status === "cancelled"),
-  )
-
   let timer: number | undefined
   let raf: number | undefined
 
@@ -111,21 +114,42 @@ export function createSessionComposerState(options?: { closeMs?: number | (() =>
     }, closeMs())
   }
 
+  // Keep stale turn todos from reopening if the model never clears them.
+  const clear = () => {
+    const id = params.id
+    if (!id) return
+    globalSync.todo.set(id, [])
+    sync.set("todo", id, [])
+  }
+
   createEffect(
     on(
-      () => [todos().length, done()] as const,
-      ([count, complete], prev) => {
+      () => [todos().length, done(), live()] as const,
+      ([count, complete, active]) => {
         if (raf) cancelAnimationFrame(raf)
         raf = undefined
 
-        if (count === 0) {
+        const next = todoState({
+          count,
+          done: complete,
+          live: active,
+        })
+
+        if (next === "hide") {
           if (timer) window.clearTimeout(timer)
           timer = undefined
           setStore({ dock: false, closing: false, opening: false })
           return
         }
 
-        if (!complete) {
+        if (next === "clear") {
+          if (timer) window.clearTimeout(timer)
+          timer = undefined
+          clear()
+          return
+        }
+
+        if (next === "open") {
           if (timer) window.clearTimeout(timer)
           timer = undefined
           const hidden = !store.dock || store.closing
@@ -142,13 +166,8 @@ export function createSessionComposerState(options?: { closeMs?: number | (() =>
           return
         }
 
-        if (prev && prev[1]) {
-          if (store.closing && !timer) scheduleClose()
-          return
-        }
-
         setStore({ dock: true, opening: false, closing: true })
-        scheduleClose()
+        if (!timer) scheduleClose()
       },
     ),
   )

packages/app/src/pages/session/composer/session-todo-dock.tsx

@@ -138,7 +138,6 @@ export function SessionTodoDock(props: {
               "--tool-motion-mask-height": `${props.countMaskHeight ?? 0}px`,
               "--tool-motion-spring-ms": `${props.countWidthDuration ?? 560}ms`,
               opacity: `${Math.max(0, Math.min(1, 1 - shut()))}`,
-              filter: `blur(${Math.max(0, Math.min(1, shut())) * 2}px)`,
             }}
           >
             <AnimatedNumber value={done()} />
@@ -196,7 +195,6 @@ export function SessionTodoDock(props: {
           style={{
             visibility: off() ? "hidden" : "visible",
             opacity: `${Math.max(0, Math.min(1, 1 - hide()))}`,
-            filter: `blur(${Math.max(0, Math.min(1, hide())) * 2}px)`,
           }}
         >
           <TodoList todos={props.todos} open={!store.collapsed} />

packages/app/src/pages/session/helpers.ts

@@ -1,4 +1,5 @@
-import { batch } from "solid-js"
+import { batch, onCleanup, onMount } from "solid-js"
+import { createStore } from "solid-js/store"
 
 export const focusTerminalById = (id: string) => {
   const wrapper = document.getElementById(`terminal-wrapper-${id}`)
@@ -69,3 +70,50 @@ export const getTabReorderIndex = (tabs: readonly string[], from: string, to: st
   if (fromIndex === -1 || toIndex === -1 || fromIndex === toIndex) return undefined
   return toIndex
 }
+
+export const createSizing = () => {
+  const [state, setState] = createStore({ active: false })
+  let t: number | undefined
+
+  const stop = () => {
+    if (t !== undefined) {
+      clearTimeout(t)
+      t = undefined
+    }
+    setState("active", false)
+  }
+
+  const start = () => {
+    if (t !== undefined) {
+      clearTimeout(t)
+      t = undefined
+    }
+    setState("active", true)
+  }
+
+  onMount(() => {
+    window.addEventListener("pointerup", stop)
+    window.addEventListener("pointercancel", stop)
+    window.addEventListener("blur", stop)
+    onCleanup(() => {
+      window.removeEventListener("pointerup", stop)
+      window.removeEventListener("pointercancel", stop)
+      window.removeEventListener("blur", stop)
+    })
+  })
+
+  onCleanup(() => {
+    if (t !== undefined) clearTimeout(t)
+  })
+
+  return {
+    active: () => state.active,
+    start,
+    touch() {
+      start()
+      t = window.setTimeout(stop, 120)
+    },
+  }
+}
+
+export type Sizing = ReturnType<typeof createSizing>

packages/app/src/pages/session/message-timeline.tsx

@@ -8,6 +8,7 @@ import { IconButton } from "@opencode-ai/ui/icon-button"
 import { DropdownMenu } from "@opencode-ai/ui/dropdown-menu"
 import { Dialog } from "@opencode-ai/ui/dialog"
 import { InlineInput } from "@opencode-ai/ui/inline-input"
+import { Spinner } from "@opencode-ai/ui/spinner"
 import { SessionTurn } from "@opencode-ai/ui/session-turn"
 import { ScrollView } from "@opencode-ai/ui/scroll-view"
 import type { AssistantMessage, Message as MessageType, Part, TextPart, UserMessage } from "@opencode-ai/sdk/v2"
@@ -192,8 +193,7 @@ export function MessageTimeline(props: {
   onAutoScrollHandleScroll: () => void
   onMarkScrollGesture: (target?: EventTarget | null) => void
   hasScrollGesture: () => boolean
-  isDesktop: boolean
-  onScrollSpyScroll: () => void
+  onUserScroll: () => void
   onTurnBackfillScroll: () => void
   onAutoScrollInteraction: (event: MouseEvent) => void
   centered: boolean
@@ -204,8 +204,6 @@ export function MessageTimeline(props: {
   onLoadEarlier: () => void
   renderedUserMessages: UserMessage[]
   anchor: (id: string) => string
-  onRegisterMessage: (el: HTMLDivElement, id: string) => void
-  onUnregisterMessage: (id: string) => void
 }) {
   let touchGesture: number | undefined
 
@@ -235,6 +233,40 @@ export function MessageTimeline(props: {
     if (!id) return idle
     return sync.data.session_status[id] ?? idle
   })
+  const working = createMemo(() => !!pending() || sessionStatus().type !== "idle")
+
+  const [slot, setSlot] = createStore({
+    open: false,
+    show: false,
+    fade: false,
+  })
+
+  let f: number | undefined
+  const clear = () => {
+    if (f !== undefined) window.clearTimeout(f)
+    f = undefined
+  }
+
+  onCleanup(clear)
+  createEffect(
+    on(
+      working,
+      (on, prev) => {
+        clear()
+        if (on) {
+          setSlot({ open: true, show: true, fade: false })
+          return
+        }
+        if (prev) {
+          setSlot({ open: false, show: true, fade: true })
+          f = window.setTimeout(() => setSlot({ show: false, fade: false }), 260)
+          return
+        }
+        setSlot({ open: false, show: false, fade: false })
+      },
+      { defer: true },
+    ),
+  )
   const activeMessageID = createMemo(() => {
     const parentID = pending()?.parentID
     if (parentID) {
@@ -539,9 +571,9 @@ export function MessageTimeline(props: {
             props.onScheduleScrollState(e.currentTarget)
             props.onTurnBackfillScroll()
             if (!props.hasScrollGesture()) return
+            props.onUserScroll()
             props.onAutoScrollHandleScroll()
             props.onMarkScrollGesture(e.currentTarget)
-            if (props.isDesktop) props.onScrollSpyScroll()
           }}
           onClick={props.onAutoScrollInteraction}
           class="relative min-w-0 w-full h-full"
@@ -573,43 +605,64 @@ export function MessageTimeline(props: {
                         aria-label={language.t("common.goBack")}
                       />
                     </Show>
-                    <Show when={titleValue() || title.editing}>
-                      <Show
-                        when={title.editing}
-                        fallback={
-                          <h1
-                            class="text-14-medium text-text-strong truncate grow-1 min-w-0 pl-2"
-                            onDblClick={openTitleEditor}
-                          >
-                            {titleValue()}
-                          </h1>
-                        }
+                    <div class="flex items-center min-w-0 grow-1">
+                      <div
+                        class="shrink-0 flex items-center justify-center overflow-hidden transition-[width,margin] duration-300 ease-[cubic-bezier(0.22,1,0.36,1)]"
+                        style={{
+                          width: slot.open ? "16px" : "0px",
+                          "margin-right": slot.open ? "8px" : "0px",
+                        }}
+                        aria-hidden="true"
                       >
-                        <InlineInput
-                          ref={(el) => {
-                            titleRef = el
-                          }}
-                          value={title.draft}
-                          disabled={title.saving}
-                          class="text-14-medium text-text-strong grow-1 min-w-0 pl-2 rounded-[6px]"
-                          style={{ "--inline-input-shadow": "var(--shadow-xs-border-select)" }}
-                          onInput={(event) => setTitle("draft", event.currentTarget.value)}
-                          onKeyDown={(event) => {
-                            event.stopPropagation()
-                            if (event.key === "Enter") {
-                              event.preventDefault()
-                              void saveTitleEditor()
-                              return
-                            }
-                            if (event.key === "Escape") {
-                              event.preventDefault()
-                              closeTitleEditor()
-                            }
-                          }}
-                          onBlur={closeTitleEditor}
-                        />
+                        <Show when={slot.show}>
+                          <div
+                            class="transition-opacity duration-200 ease-out"
+                            classList={{
+                              "opacity-0": slot.fade,
+                            }}
+                          >
+                            <Spinner class="size-4" style={{ color: "var(--icon-interactive-base)" }} />
+                          </div>
+                        </Show>
+                      </div>
+                      <Show when={titleValue() || title.editing}>
+                        <Show
+                          when={title.editing}
+                          fallback={
+                            <h1
+                              class="text-14-medium text-text-strong truncate grow-1 min-w-0"
+                              onDblClick={openTitleEditor}
+                            >
+                              {titleValue()}
+                            </h1>
+                          }
+                        >
+                          <InlineInput
+                            ref={(el) => {
+                              titleRef = el
+                            }}
+                            value={title.draft}
+                            disabled={title.saving}
+                            class="text-14-medium text-text-strong grow-1 min-w-0 rounded-[6px]"
+                            style={{ "--inline-input-shadow": "var(--shadow-xs-border-select)" }}
+                            onInput={(event) => setTitle("draft", event.currentTarget.value)}
+                            onKeyDown={(event) => {
+                              event.stopPropagation()
+                              if (event.key === "Enter") {
+                                event.preventDefault()
+                                void saveTitleEditor()
+                                return
+                              }
+                              if (event.key === "Escape") {
+                                event.preventDefault()
+                                closeTitleEditor()
+                              }
+                            }}
+                            onBlur={closeTitleEditor}
+                          />
+                        </Show>
                       </Show>
-                    </Show>
+                    </div>
                   </div>
                   <Show when={sessionID()}>
                     {(id) => (
@@ -707,14 +760,11 @@ export function MessageTimeline(props: {
                     <div
                       id={props.anchor(messageID)}
                       data-message-id={messageID}
-                      ref={(el) => {
-                        props.onRegisterMessage(el, messageID)
-                        onCleanup(() => props.onUnregisterMessage(messageID))
-                      }}
                       classList={{
                         "min-w-0 w-full max-w-full": true,
                         "md:max-w-200 2xl:max-w-[1000px]": props.centered,
                       }}
+                      style={{ "content-visibility": "auto", "contain-intrinsic-size": "auto 500px" }}
                     >
                       <Show when={commentCount() > 0}>
                         <div class="w-full px-4 md:px-5 pb-2">

packages/app/src/pages/session/scroll-spy.test.ts

@@ -1,127 +0,0 @@
-import { describe, expect, test } from "bun:test"
-import { createScrollSpy, pickOffsetId, pickVisibleId } from "./scroll-spy"
-
-const rect = (top: number, height = 80): DOMRect =>
-  ({
-    x: 0,
-    y: top,
-    top,
-    left: 0,
-    right: 800,
-    bottom: top + height,
-    width: 800,
-    height,
-    toJSON: () => ({}),
-  }) as DOMRect
-
-const setRect = (el: Element, top: number, height = 80) => {
-  Object.defineProperty(el, "getBoundingClientRect", {
-    configurable: true,
-    value: () => rect(top, height),
-  })
-}
-
-describe("pickVisibleId", () => {
-  test("prefers higher intersection ratio", () => {
-    const id = pickVisibleId(
-      [
-        { id: "a", ratio: 0.2, top: 100 },
-        { id: "b", ratio: 0.8, top: 300 },
-      ],
-      120,
-    )
-
-    expect(id).toBe("b")
-  })
-
-  test("breaks ratio ties by nearest line", () => {
-    const id = pickVisibleId(
-      [
-        { id: "a", ratio: 0.5, top: 90 },
-        { id: "b", ratio: 0.5, top: 140 },
-      ],
-      130,
-    )
-
-    expect(id).toBe("b")
-  })
-})
-
-describe("pickOffsetId", () => {
-  test("uses binary search cutoff", () => {
-    const id = pickOffsetId(
-      [
-        { id: "a", top: 0 },
-        { id: "b", top: 200 },
-        { id: "c", top: 400 },
-      ],
-      350,
-    )
-
-    expect(id).toBe("b")
-  })
-})
-
-describe("createScrollSpy fallback", () => {
-  test("tracks active id from offsets and dirty refresh", () => {
-    const active: string[] = []
-    const root = document.createElement("div") as HTMLDivElement
-    const one = document.createElement("div")
-    const two = document.createElement("div")
-    const three = document.createElement("div")
-
-    root.append(one, two, three)
-    document.body.append(root)
-
-    Object.defineProperty(root, "scrollTop", { configurable: true, writable: true, value: 250 })
-    setRect(root, 0, 800)
-    setRect(one, -250)
-    setRect(two, -50)
-    setRect(three, 150)
-
-    const queue: FrameRequestCallback[] = []
-    const flush = () => {
-      const run = [...queue]
-      queue.length = 0
-      for (const cb of run) cb(0)
-    }
-
-    const spy = createScrollSpy({
-      onActive: (id) => active.push(id),
-      raf: (cb) => (queue.push(cb), queue.length),
-      caf: () => {},
-      IntersectionObserver: undefined,
-      ResizeObserver: undefined,
-      MutationObserver: undefined,
-    })
-
-    spy.setContainer(root)
-    spy.register(one, "a")
-    spy.register(two, "b")
-    spy.register(three, "c")
-    spy.onScroll()
-    flush()
-
-    expect(spy.getActiveId()).toBe("b")
-    expect(active.at(-1)).toBe("b")
-
-    root.scrollTop = 450
-    setRect(one, -450)
-    setRect(two, -250)
-    setRect(three, -50)
-    spy.onScroll()
-    flush()
-    expect(spy.getActiveId()).toBe("c")
-
-    root.scrollTop = 250
-    setRect(one, -250)
-    setRect(two, 250)
-    setRect(three, 150)
-    spy.markDirty()
-    spy.onScroll()
-    flush()
-    expect(spy.getActiveId()).toBe("a")
-
-    spy.destroy()
-  })
-})

packages/app/src/pages/session/scroll-spy.ts

@@ -1,275 +0,0 @@
-type Visible = {
-  id: string
-  ratio: number
-  top: number
-}
-
-type Offset = {
-  id: string
-  top: number
-}
-
-type Input = {
-  onActive: (id: string) => void
-  raf?: (cb: FrameRequestCallback) => number
-  caf?: (id: number) => void
-  IntersectionObserver?: typeof globalThis.IntersectionObserver
-  ResizeObserver?: typeof globalThis.ResizeObserver
-  MutationObserver?: typeof globalThis.MutationObserver
-}
-
-export const pickVisibleId = (list: Visible[], line: number) => {
-  if (list.length === 0) return
-
-  const sorted = [...list].sort((a, b) => {
-    if (b.ratio !== a.ratio) return b.ratio - a.ratio
-
-    const da = Math.abs(a.top - line)
-    const db = Math.abs(b.top - line)
-    if (da !== db) return da - db
-
-    return a.top - b.top
-  })
-
-  return sorted[0]?.id
-}
-
-export const pickOffsetId = (list: Offset[], cutoff: number) => {
-  if (list.length === 0) return
-
-  let lo = 0
-  let hi = list.length - 1
-  let out = 0
-
-  while (lo <= hi) {
-    const mid = (lo + hi) >> 1
-    const top = list[mid]?.top
-    if (top === undefined) break
-
-    if (top <= cutoff) {
-      out = mid
-      lo = mid + 1
-      continue
-    }
-
-    hi = mid - 1
-  }
-
-  return list[out]?.id
-}
-
-export const createScrollSpy = (input: Input) => {
-  const raf = input.raf ?? requestAnimationFrame
-  const caf = input.caf ?? cancelAnimationFrame
-  const CtorIO = input.IntersectionObserver ?? globalThis.IntersectionObserver
-  const CtorRO = input.ResizeObserver ?? globalThis.ResizeObserver
-  const CtorMO = input.MutationObserver ?? globalThis.MutationObserver
-
-  let root: HTMLDivElement | undefined
-  let io: IntersectionObserver | undefined
-  let ro: ResizeObserver | undefined
-  let mo: MutationObserver | undefined
-  let frame: number | undefined
-  let active: string | undefined
-  let dirty = true
-
-  const node = new Map<string, HTMLElement>()
-  const id = new WeakMap<HTMLElement, string>()
-  const visible = new Map<string, { ratio: number; top: number }>()
-  let offset: Offset[] = []
-
-  const schedule = () => {
-    if (frame !== undefined) return
-    frame = raf(() => {
-      frame = undefined
-      update()
-    })
-  }
-
-  const refreshOffset = () => {
-    const el = root
-    if (!el) {
-      offset = []
-      dirty = false
-      return
-    }
-
-    const base = el.getBoundingClientRect().top
-    offset = [...node].map(([next, item]) => ({
-      id: next,
-      top: item.getBoundingClientRect().top - base + el.scrollTop,
-    }))
-    offset.sort((a, b) => a.top - b.top)
-    dirty = false
-  }
-
-  const update = () => {
-    const el = root
-    if (!el) return
-
-    const line = el.getBoundingClientRect().top + 100
-    const next =
-      pickVisibleId(
-        [...visible].map(([k, v]) => ({
-          id: k,
-          ratio: v.ratio,
-          top: v.top,
-        })),
-        line,
-      ) ??
-      (() => {
-        if (dirty) refreshOffset()
-        return pickOffsetId(offset, el.scrollTop + 100)
-      })()
-
-    if (!next || next === active) return
-    active = next
-    input.onActive(next)
-  }
-
-  const observe = () => {
-    const el = root
-    if (!el) return
-
-    io?.disconnect()
-    io = undefined
-    if (CtorIO) {
-      try {
-        io = new CtorIO(
-          (entries) => {
-            for (const entry of entries) {
-              const item = entry.target
-              if (!(item instanceof HTMLElement)) continue
-              const key = id.get(item)
-              if (!key) continue
-
-              if (!entry.isIntersecting || entry.intersectionRatio <= 0) {
-                visible.delete(key)
-                continue
-              }
-
-              visible.set(key, {
-                ratio: entry.intersectionRatio,
-                top: entry.boundingClientRect.top,
-              })
-            }
-
-            schedule()
-          },
-          {
-            root: el,
-            threshold: [0, 0.25, 0.5, 0.75, 1],
-          },
-        )
-      } catch {
-        io = undefined
-      }
-    }
-
-    if (io) {
-      for (const item of node.values()) io.observe(item)
-    }
-
-    ro?.disconnect()
-    ro = undefined
-    if (CtorRO) {
-      ro = new CtorRO(() => {
-        dirty = true
-        schedule()
-      })
-      ro.observe(el)
-      for (const item of node.values()) ro.observe(item)
-    }
-
-    mo?.disconnect()
-    mo = undefined
-    if (CtorMO) {
-      mo = new CtorMO(() => {
-        dirty = true
-        schedule()
-      })
-      mo.observe(el, { subtree: true, childList: true, characterData: true })
-    }
-
-    dirty = true
-    schedule()
-  }
-
-  const setContainer = (el?: HTMLDivElement) => {
-    if (root === el) return
-
-    root = el
-    visible.clear()
-    active = undefined
-    observe()
-  }
-
-  const register = (el: HTMLElement, key: string) => {
-    const prev = node.get(key)
-    if (prev && prev !== el) {
-      io?.unobserve(prev)
-      ro?.unobserve(prev)
-    }
-
-    node.set(key, el)
-    id.set(el, key)
-    if (io) io.observe(el)
-    if (ro) ro.observe(el)
-    dirty = true
-    schedule()
-  }
-
-  const unregister = (key: string) => {
-    const item = node.get(key)
-    if (!item) return
-
-    io?.unobserve(item)
-    ro?.unobserve(item)
-    node.delete(key)
-    visible.delete(key)
-    dirty = true
-    schedule()
-  }
-
-  const markDirty = () => {
-    dirty = true
-    schedule()
-  }
-
-  const clear = () => {
-    for (const item of node.values()) {
-      io?.unobserve(item)
-      ro?.unobserve(item)
-    }
-
-    node.clear()
-    visible.clear()
-    offset = []
-    active = undefined
-    dirty = true
-  }
-
-  const destroy = () => {
-    if (frame !== undefined) caf(frame)
-    frame = undefined
-    clear()
-    io?.disconnect()
-    ro?.disconnect()
-    mo?.disconnect()
-    io = undefined
-    ro = undefined
-    mo = undefined
-    root = undefined
-  }
-
-  return {
-    setContainer,
-    register,
-    unregister,
-    onScroll: schedule,
-    markDirty,
-    clear,
-    destroy,
-    getActiveId: () => active,
-  }
-}

packages/app/src/pages/session/session-command-helpers.ts

@@ -1,10 +0,0 @@
-export const canAddSelectionContext = (input: {
-  active?: string
-  pathFromTab: (tab: string) => string | undefined
-  selectedLines: (path: string) => unknown
-}) => {
-  if (!input.active) return false
-  const path = input.pathFromTab(input.active)
-  if (!path) return false
-  return input.selectedLines(path) != null
-}

packages/app/src/pages/session/session-model-helpers.test.ts

@@ -0,0 +1,158 @@
+import { describe, expect, test } from "bun:test"
+import type { UserMessage } from "@opencode-ai/sdk/v2"
+import { resetSessionModel, syncSessionModel } from "./session-model-helpers"
+
+const message = (input?: Partial<Pick<UserMessage, "agent" | "model" | "variant">>) =>
+  ({
+    id: "msg",
+    sessionID: "session",
+    role: "user",
+    time: { created: 1 },
+    agent: input?.agent ?? "build",
+    model: input?.model ?? { providerID: "anthropic", modelID: "claude-sonnet-4" },
+    variant: input?.variant,
+  }) as UserMessage
+
+describe("syncSessionModel", () => {
+  test("restores the last message model and variant", () => {
+    const calls: unknown[] = []
+
+    syncSessionModel(
+      {
+        agent: {
+          current() {
+            return undefined
+          },
+          set(value) {
+            calls.push(["agent", value])
+          },
+        },
+        model: {
+          set(value) {
+            calls.push(["model", value])
+          },
+          current() {
+            return { id: "claude-sonnet-4", provider: { id: "anthropic" } }
+          },
+          variant: {
+            set(value) {
+              calls.push(["variant", value])
+            },
+          },
+        },
+      },
+      message({ variant: "high" }),
+    )
+
+    expect(calls).toEqual([
+      ["agent", "build"],
+      ["model", { providerID: "anthropic", modelID: "claude-sonnet-4" }],
+      ["variant", "high"],
+    ])
+  })
+
+  test("skips variant when the model falls back", () => {
+    const calls: unknown[] = []
+
+    syncSessionModel(
+      {
+        agent: {
+          current() {
+            return undefined
+          },
+          set(value) {
+            calls.push(["agent", value])
+          },
+        },
+        model: {
+          set(value) {
+            calls.push(["model", value])
+          },
+          current() {
+            return { id: "gpt-5", provider: { id: "openai" } }
+          },
+          variant: {
+            set(value) {
+              calls.push(["variant", value])
+            },
+          },
+        },
+      },
+      message({ variant: "high" }),
+    )
+
+    expect(calls).toEqual([
+      ["agent", "build"],
+      ["model", { providerID: "anthropic", modelID: "claude-sonnet-4" }],
+    ])
+  })
+})
+
+describe("resetSessionModel", () => {
+  test("restores the current agent defaults", () => {
+    const calls: unknown[] = []
+
+    resetSessionModel({
+      agent: {
+        current() {
+          return {
+            model: { providerID: "anthropic", modelID: "claude-sonnet-4" },
+            variant: "high",
+          }
+        },
+        set() {},
+      },
+      model: {
+        set(value) {
+          calls.push(["model", value])
+        },
+        current() {
+          return undefined
+        },
+        variant: {
+          set(value) {
+            calls.push(["variant", value])
+          },
+        },
+      },
+    })
+
+    expect(calls).toEqual([
+      ["model", { providerID: "anthropic", modelID: "claude-sonnet-4" }],
+      ["variant", "high"],
+    ])
+  })
+
+  test("clears the variant when the agent has none", () => {
+    const calls: unknown[] = []
+
+    resetSessionModel({
+      agent: {
+        current() {
+          return {
+            model: { providerID: "anthropic", modelID: "claude-sonnet-4" },
+          }
+        },
+        set() {},
+      },
+      model: {
+        set(value) {
+          calls.push(["model", value])
+        },
+        current() {
+          return undefined
+        },
+        variant: {
+          set(value) {
+            calls.push(["variant", value])
+          },
+        },
+      },
+    })
+
+    expect(calls).toEqual([
+      ["model", { providerID: "anthropic", modelID: "claude-sonnet-4" }],
+      ["variant", undefined],
+    ])
+  })
+})

packages/app/src/pages/session/session-model-helpers.ts

@@ -0,0 +1,48 @@
+import type { UserMessage } from "@opencode-ai/sdk/v2"
+import { batch } from "solid-js"
+
+type Local = {
+  agent: {
+    current():
+      | {
+          model?: UserMessage["model"]
+          variant?: string
+        }
+      | undefined
+    set(name: string | undefined): void
+  }
+  model: {
+    set(model: UserMessage["model"] | undefined): void
+    current():
+      | {
+          id: string
+          provider: { id: string }
+        }
+      | undefined
+    variant: {
+      set(value: string | undefined): void
+    }
+  }
+}
+
+export const resetSessionModel = (local: Local) => {
+  const agent = local.agent.current()
+  if (!agent) return
+  batch(() => {
+    local.model.set(agent.model)
+    local.model.variant.set(agent.variant)
+  })
+}
+
+export const syncSessionModel = (local: Local, msg: UserMessage) => {
+  batch(() => {
+    local.agent.set(msg.agent)
+    local.model.set(msg.model)
+  })
+
+  const model = local.model.current()
+  if (!model) return
+  if (model.provider.id !== msg.model.providerID) return
+  if (model.id !== msg.model.modelID) return
+  local.model.variant.set(msg.variant)
+}

packages/app/src/pages/session/session-prompt-dock.test.ts

@@ -1,22 +0,0 @@
-import { describe, expect, test } from "bun:test"
-import { questionSubtitle } from "./session-prompt-helpers"
-
-describe("questionSubtitle", () => {
-  const t = (key: string) => {
-    if (key === "ui.common.question.one") return "question"
-    if (key === "ui.common.question.other") return "questions"
-    return key
-  }
-
-  test("returns empty for zero", () => {
-    expect(questionSubtitle(0, t)).toBe("")
-  })
-
-  test("uses singular label", () => {
-    expect(questionSubtitle(1, t)).toBe("1 question")
-  })
-
-  test("uses plural label", () => {
-    expect(questionSubtitle(3, t)).toBe("3 questions")
-  })
-})

packages/app/src/pages/session/session-prompt-helpers.ts

@@ -1,4 +0,0 @@
-export const questionSubtitle = (count: number, t: (key: string) => string) => {
-  if (count === 0) return ""
-  return `${count} ${t(count > 1 ? "ui.common.question.other" : "ui.common.question.one")}`
-}