Apply PR #18335: refactor(server): replace Bun serve with Hono node adapters

Co-authored-by: greptile-apps[bot] <165735046+greptile-apps[bot]@users.noreply.github.com>

.github/workflows/test.yml

@@ -50,20 +50,17 @@ jobs:
 
   e2e:
     name: e2e (${{ matrix.settings.name }})
-    needs: unit
     strategy:
       fail-fast: false
       matrix:
         settings:
           - name: linux
             host: blacksmith-4vcpu-ubuntu-2404
-            playwright: bunx playwright install --with-deps
           - name: windows
             host: blacksmith-4vcpu-windows-2025
-            playwright: bunx playwright install
     runs-on: ${{ matrix.settings.host }}
     env:
-      PLAYWRIGHT_BROWSERS_PATH: 0
+      PLAYWRIGHT_BROWSERS_PATH: ${{ github.workspace }}/.playwright-browsers
     defaults:
       run:
         shell: bash
@@ -76,9 +73,28 @@ jobs:
       - name: Setup Bun
         uses: ./.github/actions/setup-bun
 
-      - name: Install Playwright browsers
+      - name: Read Playwright version
+        id: playwright-version
+        run: |
+          version=$(node -e 'console.log(require("./packages/app/package.json").devDependencies["@playwright/test"])')
+          echo "version=$version" >> "$GITHUB_OUTPUT"
+
+      - name: Cache Playwright browsers
+        id: playwright-cache
+        uses: actions/cache@v4
+        with:
+          path: ${{ github.workspace }}/.playwright-browsers
+          key: ${{ runner.os }}-${{ runner.arch }}-playwright-${{ steps.playwright-version.outputs.version }}-chromium
+
+      - name: Install Playwright system dependencies
+        if: runner.os == 'Linux'
         working-directory: packages/app
-        run: ${{ matrix.settings.playwright }}
+        run: bunx playwright install-deps chromium
+
+      - name: Install Playwright browsers
+        if: steps.playwright-cache.outputs.cache-hit != 'true'
+        working-directory: packages/app
+        run: bunx playwright install chromium
 
       - name: Run app e2e tests
         run: bun --cwd packages/app test:e2e:local

nix/hashes.json

@@ -1,8 +1,8 @@
 {
   "nodeModules": {
-    "x86_64-linux": "sha256-yfA50QKqylmaioxi+6d++W8Xv4Wix1hl3hEF6Zz7Ue0=",
-    "aarch64-linux": "sha256-b5sO7V+/zzJClHHKjkSz+9AUBYC8cb7S3m5ab1kpAyk=",
-    "aarch64-darwin": "sha256-V66nmRX6kAjrc41ARVeuTElWK7KD8qG/DVk9K7Fu+J8=",
-    "x86_64-darwin": "sha256-cFyh60WESiqZ5XWZi1+g3F/beSDL1+UPG8KhRivhK8w="
+    "x86_64-linux": "sha256-Gv0pHYCinlj0SQXRQ/a9ozYPxECwdrC99ssTzpeOr1I=",
+    "aarch64-linux": "sha256-WzVt5goOrxoGe26juzRf73PWPqwnB1URu2TYjxye/Aw=",
+    "aarch64-darwin": "sha256-18Nn0TR1wK2gRUF/FFP4vFMY/td49XkfjOwFbD5iJNc=",
+    "x86_64-darwin": "sha256-zk2yaulPzUUiCerCPJaCOCLhklXKMp9mSv7v0N8AMfA="
   }
 }

package.json

@@ -4,7 +4,7 @@
   "description": "AI-powered development tool",
   "private": true,
   "type": "module",
-  "packageManager": "bun@1.3.10",
+  "packageManager": "bun@1.3.11",
   "scripts": {
     "dev": "bun run --cwd packages/opencode --conditions=browser src/index.ts",
     "dev:desktop": "bun --cwd packages/desktop tauri dev",
@@ -26,7 +26,7 @@
     ],
     "catalog": {
       "@effect/platform-node": "4.0.0-beta.35",
-      "@types/bun": "1.3.9",
+      "@types/bun": "1.3.11",
       "@octokit/rest": "22.0.0",
       "@hono/zod-validator": "0.4.2",
       "ulid": "3.0.1",
@@ -112,6 +112,8 @@
   },
   "patchedDependencies": {
     "@standard-community/standard-openapi@0.2.9": "patches/@standard-community%2Fstandard-openapi@0.2.9.patch",
-    "@openrouter/ai-sdk-provider@1.5.4": "patches/@openrouter%2Fai-sdk-provider@1.5.4.patch"
+    "@openrouter/ai-sdk-provider@1.5.4": "patches/@openrouter%2Fai-sdk-provider@1.5.4.patch",
+    "@ai-sdk/xai@2.0.51": "patches/@ai-sdk%2Fxai@2.0.51.patch",
+    "solid-js@1.9.10": "patches/solid-js@1.9.10.patch"
   }
 }

packages/app/e2e/actions.ts

@@ -9,6 +9,7 @@ import { createSdk, modKey, resolveDirectory, serverUrl } from "./utils"
 import {
   dropdownMenuTriggerSelector,
   dropdownMenuContentSelector,
+  projectSwitchSelector,
   projectMenuTriggerSelector,
   projectCloseMenuSelector,
   projectWorkspacesToggleSelector,
@@ -23,6 +24,16 @@ import {
   workspaceMenuTriggerSelector,
 } from "./selectors"
 
+const phase = new WeakMap<Page, "test" | "cleanup">()
+
+export function setHealthPhase(page: Page, value: "test" | "cleanup") {
+  phase.set(page, value)
+}
+
+export function healthPhase(page: Page) {
+  return phase.get(page) ?? "test"
+}
+
 export async function defocus(page: Page) {
   await page
     .evaluate(() => {
@@ -196,11 +207,51 @@ export async function closeDialog(page: Page, dialog: Locator) {
 }
 
 export async function isSidebarClosed(page: Page) {
-  const button = page.getByRole("button", { name: /toggle sidebar/i }).first()
-  await expect(button).toBeVisible()
+  const button = await waitSidebarButton(page, "isSidebarClosed")
   return (await button.getAttribute("aria-expanded")) !== "true"
 }
 
+async function errorBoundaryText(page: Page) {
+  const title = page.getByRole("heading", { name: /something went wrong/i }).first()
+  if (!(await title.isVisible().catch(() => false))) return
+
+  const description = await page
+    .getByText(/an error occurred while loading the application\./i)
+    .first()
+    .textContent()
+    .catch(() => "")
+  const detail = await page
+    .getByRole("textbox", { name: /error details/i })
+    .first()
+    .inputValue()
+    .catch(async () =>
+      (
+        (await page
+          .getByRole("textbox", { name: /error details/i })
+          .first()
+          .textContent()
+          .catch(() => "")) ?? ""
+      ).trim(),
+    )
+
+  return [title ? "Error boundary" : "", description ?? "", detail ?? ""].filter(Boolean).join("\n")
+}
+
+export async function assertHealthy(page: Page, context: string) {
+  const text = await errorBoundaryText(page)
+  if (!text) return
+  console.log(`[e2e:error-boundary][${context}]\n${text}`)
+  throw new Error(`Error boundary during ${context}\n${text}`)
+}
+
+async function waitSidebarButton(page: Page, context: string) {
+  const button = page.getByRole("button", { name: /toggle sidebar/i }).first()
+  const boundary = page.getByRole("heading", { name: /something went wrong/i }).first()
+  await button.or(boundary).first().waitFor({ state: "visible", timeout: 10_000 })
+  await assertHealthy(page, context)
+  return button
+}
+
 export async function toggleSidebar(page: Page) {
   await defocus(page)
   await page.keyboard.press(`${modKey}+B`)
@@ -209,7 +260,7 @@ export async function toggleSidebar(page: Page) {
 export async function openSidebar(page: Page) {
   if (!(await isSidebarClosed(page))) return
 
-  const button = page.getByRole("button", { name: /toggle sidebar/i }).first()
+  const button = await waitSidebarButton(page, "openSidebar")
   await button.click()
 
   const opened = await expect(button)
@@ -226,7 +277,7 @@ export async function openSidebar(page: Page) {
 export async function closeSidebar(page: Page) {
   if (await isSidebarClosed(page)) return
 
-  const button = page.getByRole("button", { name: /toggle sidebar/i }).first()
+  const button = await waitSidebarButton(page, "closeSidebar")
   await button.click()
 
   const closed = await expect(button)
@@ -241,6 +292,7 @@ export async function closeSidebar(page: Page) {
 }
 
 export async function openSettings(page: Page) {
+  await assertHealthy(page, "openSettings")
   await defocus(page)
 
   const dialog = page.getByRole("dialog")
@@ -253,6 +305,8 @@ export async function openSettings(page: Page) {
 
   if (opened) return dialog
 
+  await assertHealthy(page, "openSettings")
+
   await page.getByRole("button", { name: "Settings" }).first().click()
   await expect(dialog).toBeVisible()
   return dialog
@@ -314,10 +368,12 @@ export async function seedProjects(page: Page, input: { directory: string; extra
 
 export async function createTestProject() {
   const root = await fs.mkdtemp(path.join(os.tmpdir(), "opencode-e2e-project-"))
+  const id = `e2e-${path.basename(root)}`
 
-  await fs.writeFile(path.join(root, "README.md"), "# e2e\n")
+  await fs.writeFile(path.join(root, "README.md"), `# e2e\n\n${id}\n`)
 
   execSync("git init", { cwd: root, stdio: "ignore" })
+  await fs.writeFile(path.join(root, ".git", "opencode"), id)
   execSync("git config core.fsmonitor false", { cwd: root, stdio: "ignore" })
   execSync("git add -A", { cwd: root, stdio: "ignore" })
   execSync('git -c user.name="e2e" -c user.email="e2e@example.com" commit -m "init" --allow-empty', {
@@ -339,12 +395,24 @@ export function slugFromUrl(url: string) {
   return /\/([^/]+)\/session(?:[/?#]|$)/.exec(url)?.[1] ?? ""
 }
 
+async function probeSession(page: Page) {
+  return page
+    .evaluate(() => {
+      const win = window as E2EWindow
+      const current = win.__opencode_e2e?.model?.current
+      if (!current) return null
+      return { dir: current.dir, sessionID: current.sessionID }
+    })
+    .catch(() => null as { dir?: string; sessionID?: string } | null)
+}
+
 export async function waitSlug(page: Page, skip: string[] = []) {
   let prev = ""
   let next = ""
   await expect
     .poll(
-      () => {
+      async () => {
+        await assertHealthy(page, "waitSlug")
         const slug = slugFromUrl(page.url())
         if (!slug) return ""
         if (skip.includes(slug)) return ""
@@ -374,6 +442,7 @@ export async function waitDir(page: Page, directory: string) {
   await expect
     .poll(
       async () => {
+        await assertHealthy(page, "waitDir")
         const slug = slugFromUrl(page.url())
         if (!slug) return ""
         return resolveSlug(slug)
@@ -386,6 +455,69 @@ export async function waitDir(page: Page, directory: string) {
   return { directory: target, slug: base64Encode(target) }
 }
 
+export async function waitSession(page: Page, input: { directory: string; sessionID?: string }) {
+  const target = await resolveDirectory(input.directory)
+  await expect
+    .poll(
+      async () => {
+        await assertHealthy(page, "waitSession")
+        const slug = slugFromUrl(page.url())
+        if (!slug) return false
+        const resolved = await resolveSlug(slug).catch(() => undefined)
+        if (!resolved || resolved.directory !== target) return false
+        if (input.sessionID && sessionIDFromUrl(page.url()) !== input.sessionID) return false
+
+        const state = await probeSession(page)
+        if (input.sessionID && (!state || state.sessionID !== input.sessionID)) return false
+        if (state?.dir) {
+          const dir = await resolveDirectory(state.dir).catch(() => state.dir ?? "")
+          if (dir !== target) return false
+        }
+
+        return page
+          .locator(promptSelector)
+          .first()
+          .isVisible()
+          .catch(() => false)
+      },
+      { timeout: 45_000 },
+    )
+    .toBe(true)
+  return { directory: target, slug: base64Encode(target) }
+}
+
+export async function waitSessionSaved(directory: string, sessionID: string, timeout = 30_000) {
+  const sdk = createSdk(directory)
+  const target = await resolveDirectory(directory)
+
+  await expect
+    .poll(
+      async () => {
+        const data = await sdk.session
+          .get({ sessionID })
+          .then((x) => x.data)
+          .catch(() => undefined)
+        if (!data?.directory) return ""
+        return resolveDirectory(data.directory).catch(() => data.directory)
+      },
+      { timeout },
+    )
+    .toBe(target)
+
+  await expect
+    .poll(
+      async () => {
+        const items = await sdk.session
+          .messages({ sessionID, limit: 20 })
+          .then((x) => x.data ?? [])
+          .catch(() => [])
+        return items.some((item) => item.info.role === "user")
+      },
+      { timeout },
+    )
+    .toBe(true)
+}
+
 export function sessionIDFromUrl(url: string) {
   const match = /\/session\/([^/?#]+)/.exec(url)
   return match?.[1]
@@ -797,8 +929,14 @@ export async function openStatusPopover(page: Page) {
 }
 
 export async function openProjectMenu(page: Page, projectSlug: string) {
+  await openSidebar(page)
+  const item = page.locator(projectSwitchSelector(projectSlug)).first()
+  await expect(item).toBeVisible()
+  await item.hover()
+
   const trigger = page.locator(projectMenuTriggerSelector(projectSlug)).first()
   await expect(trigger).toHaveCount(1)
+  await expect(trigger).toBeVisible()
 
   const menu = page
     .locator(dropdownMenuContentSelector)
@@ -807,7 +945,7 @@ export async function openProjectMenu(page: Page, projectSlug: string) {
   const close = menu.locator(projectCloseMenuSelector(projectSlug)).first()
 
   const clicked = await trigger
-    .click({ timeout: 1500 })
+    .click({ force: true, timeout: 1500 })
     .then(() => true)
     .catch(() => false)
 

packages/app/e2e/fixtures.ts

@@ -1,7 +1,16 @@
 import { test as base, expect, type Page } from "@playwright/test"
 import type { E2EWindow } from "../src/testing/terminal"
-import { cleanupSession, cleanupTestProject, createTestProject, seedProjects, sessionIDFromUrl } from "./actions"
-import { promptSelector } from "./selectors"
+import {
+  healthPhase,
+  cleanupSession,
+  cleanupTestProject,
+  createTestProject,
+  setHealthPhase,
+  seedProjects,
+  sessionIDFromUrl,
+  waitSlug,
+  waitSession,
+} from "./actions"
 import { createSdk, dirSlug, getWorktree, sessionPath } from "./utils"
 
 export const settingsKey = "settings.v3"
@@ -27,6 +36,29 @@ type WorkerFixtures = {
 }
 
 export const test = base.extend<TestFixtures, WorkerFixtures>({
+  page: async ({ page }, use) => {
+    let boundary: string | undefined
+    setHealthPhase(page, "test")
+    const consoleHandler = (msg: { text(): string }) => {
+      const text = msg.text()
+      if (!text.includes("[e2e:error-boundary]")) return
+      if (healthPhase(page) === "cleanup") {
+        console.warn(`[e2e:error-boundary][cleanup-warning]\n${text}`)
+        return
+      }
+      boundary ||= text
+      console.log(text)
+    }
+    const pageErrorHandler = (err: Error) => {
+      console.log(`[e2e:pageerror] ${err.stack || err.message}`)
+    }
+    page.on("console", consoleHandler)
+    page.on("pageerror", pageErrorHandler)
+    await use(page)
+    page.off("console", consoleHandler)
+    page.off("pageerror", pageErrorHandler)
+    if (boundary) throw new Error(boundary)
+  },
   directory: [
     async ({}, use) => {
       const directory = await getWorktree()
@@ -48,21 +80,20 @@ export const test = base.extend<TestFixtures, WorkerFixtures>({
 
     const gotoSession = async (sessionID?: string) => {
       await page.goto(sessionPath(directory, sessionID))
-      await expect(page.locator(promptSelector)).toBeVisible()
+      await waitSession(page, { directory, sessionID })
     }
     await use(gotoSession)
   },
   withProject: async ({ page }, use) => {
     await use(async (callback, options) => {
       const root = await createTestProject()
-      const slug = dirSlug(root)
       const sessions = new Map<string, string>()
       const dirs = new Set<string>()
       await seedStorage(page, { directory: root, extra: options?.extra })
 
       const gotoSession = async (sessionID?: string) => {
         await page.goto(sessionPath(root, sessionID))
-        await expect(page.locator(promptSelector)).toBeVisible()
+        await waitSession(page, { directory: root, sessionID })
         const current = sessionIDFromUrl(page.url())
         if (current) trackSession(current)
       }
@@ -77,13 +108,16 @@ export const test = base.extend<TestFixtures, WorkerFixtures>({
 
       try {
         await gotoSession()
+        const slug = await waitSlug(page)
         return await callback({ directory: root, slug, gotoSession, trackSession, trackDirectory })
       } finally {
+        setHealthPhase(page, "cleanup")
         await Promise.allSettled(
           Array.from(sessions, ([sessionID, directory]) => cleanupSession({ sessionID, directory })),
         )
         await Promise.allSettled(Array.from(dirs, (directory) => cleanupTestProject(directory)))
         await cleanupTestProject(root)
+        setHealthPhase(page, "test")
       }
     })
   },

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

@@ -1,5 +1,4 @@
 import { base64Decode } from "@opencode-ai/util/encode"
-import type { Page } from "@playwright/test"
 import { test, expect } from "../fixtures"
 import {
   defocus,
@@ -7,43 +6,14 @@ import {
   cleanupTestProject,
   openSidebar,
   sessionIDFromUrl,
-  waitDir,
+  setWorkspacesEnabled,
+  waitSession,
+  waitSessionSaved,
   waitSlug,
 } from "../actions"
 import { projectSwitchSelector, promptSelector, workspaceItemSelector, workspaceNewSessionSelector } from "../selectors"
 import { dirSlug, resolveDirectory } from "../utils"
 
-async function workspaces(page: Page, directory: string, enabled: boolean) {
-  await page.evaluate(
-    ({ directory, enabled }: { directory: string; enabled: boolean }) => {
-      const key = "opencode.global.dat:layout"
-      const raw = localStorage.getItem(key)
-      const data = raw ? JSON.parse(raw) : {}
-      const sidebar = data.sidebar && typeof data.sidebar === "object" ? data.sidebar : {}
-      const current =
-        sidebar.workspaces && typeof sidebar.workspaces === "object" && !Array.isArray(sidebar.workspaces)
-          ? sidebar.workspaces
-          : {}
-      const next = { ...current }
-
-      if (enabled) next[directory] = true
-      if (!enabled) delete next[directory]
-
-      localStorage.setItem(
-        key,
-        JSON.stringify({
-          ...data,
-          sidebar: {
-            ...sidebar,
-            workspaces: next,
-          },
-        }),
-      )
-    },
-    { directory, enabled },
-  )
-}
-
 test("can switch between projects from sidebar", async ({ page, withProject }) => {
   await page.setViewportSize({ width: 1400, height: 800 })
 
@@ -84,9 +54,7 @@ test("switching back to a project opens the latest workspace session", async ({
     await withProject(
       async ({ directory, slug, trackSession, trackDirectory }) => {
         await defocus(page)
-        await workspaces(page, directory, true)
-        await page.reload()
-        await expect(page.locator(promptSelector)).toBeVisible()
+        await setWorkspacesEnabled(page, slug, true)
         await openSidebar(page)
         await expect(page.getByRole("button", { name: "New workspace" }).first()).toBeVisible()
 
@@ -108,8 +76,7 @@ test("switching back to a project opens the latest workspace session", async ({
         await expect(btn).toBeVisible()
         await btn.click({ force: true })
 
-        await waitSlug(page)
-        await waitDir(page, space)
+        await waitSession(page, { directory: space })
 
         // Create a session by sending a prompt
         const prompt = page.locator(promptSelector)
@@ -123,6 +90,7 @@ 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, space)
+        await waitSessionSaved(space, created)
 
         await expect(page).toHaveURL(new RegExp(`/${next}/session/${created}(?:[/?#]|$)`))
 
@@ -130,15 +98,14 @@ test("switching back to a project opens the latest workspace session", async ({
 
         const otherButton = page.locator(projectSwitchSelector(otherSlug)).first()
         await expect(otherButton).toBeVisible()
-        await otherButton.click()
-        await expect(page).toHaveURL(new RegExp(`/${otherSlug}/session`))
+        await otherButton.click({ force: true })
+        await waitSession(page, { directory: other })
 
         const rootButton = page.locator(projectSwitchSelector(slug)).first()
         await expect(rootButton).toBeVisible()
-        await rootButton.click()
+        await rootButton.click({ force: true })
 
-        await waitDir(page, space)
-        await expect.poll(() => sessionIDFromUrl(page.url()) ?? "").toBe(created)
+        await waitSession(page, { directory: space, sessionID: created })
         await expect(page).toHaveURL(new RegExp(`/session/${created}(?:[/?#]|$)`))
       },
       { extra: [other] },

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

@@ -1,6 +1,15 @@
 import type { Page } from "@playwright/test"
 import { test, expect } from "../fixtures"
-import { openSidebar, resolveSlug, sessionIDFromUrl, setWorkspacesEnabled, waitDir, waitSlug } from "../actions"
+import {
+  openSidebar,
+  resolveSlug,
+  sessionIDFromUrl,
+  setWorkspacesEnabled,
+  waitDir,
+  waitSession,
+  waitSessionSaved,
+  waitSlug,
+} from "../actions"
 import { promptSelector, workspaceItemSelector, workspaceNewSessionSelector } from "../selectors"
 import { createSdk } from "../utils"
 
@@ -14,20 +23,7 @@ function button(space: { slug: string; raw: string }) {
 
 async function waitWorkspaceReady(page: Page, space: { slug: string; raw: string }) {
   await openSidebar(page)
-  await expect
-    .poll(
-      async () => {
-        const row = page.locator(item(space)).first()
-        try {
-          await row.hover({ timeout: 500 })
-          return true
-        } catch {
-          return false
-        }
-      },
-      { timeout: 60_000 },
-    )
-    .toBe(true)
+  await expect(page.locator(item(space)).first()).toBeVisible({ timeout: 60_000 })
 }
 
 async function createWorkspace(page: Page, root: string, seen: string[]) {
@@ -49,7 +45,8 @@ async function openWorkspaceNewSession(page: Page, space: { slug: string; raw: s
   await expect(next).toBeVisible()
   await next.click({ force: true })
 
-  return waitDir(page, space.directory)
+  await waitSession(page, { directory: space.directory })
+  await expect.poll(() => sessionIDFromUrl(page.url()) ?? "").toBe("")
 }
 
 async function createSessionFromWorkspace(
@@ -57,39 +54,28 @@ async function createSessionFromWorkspace(
   space: { slug: string; raw: string; directory: string },
   text: string,
 ) {
-  const next = await openWorkspaceNewSession(page, space)
+  await openWorkspaceNewSession(page, space)
 
   const prompt = page.locator(promptSelector)
   await expect(prompt).toBeVisible()
-  await expect(prompt).toBeEditable()
-  await prompt.click()
-  await expect(prompt).toBeFocused()
   await prompt.fill(text)
-  await expect.poll(async () => ((await prompt.textContent()) ?? "").trim()).toContain(text)
-  await prompt.press("Enter")
-
-  await waitDir(page, next.directory)
-  await expect.poll(() => sessionIDFromUrl(page.url()) ?? "", { timeout: 30_000 }).not.toBe("")
+  await page.keyboard.press("Enter")
 
+  await expect.poll(() => sessionIDFromUrl(page.url()) ?? "", { timeout: 15_000 }).not.toBe("")
   const sessionID = sessionIDFromUrl(page.url())
   if (!sessionID) throw new Error(`Failed to parse session id from url: ${page.url()}`)
-  await expect(page).toHaveURL(new RegExp(`/session/${sessionID}(?:[/?#]|$)`))
-  return { sessionID, slug: next.slug }
-}
 
-async function sessionDirectory(directory: string, sessionID: string) {
-  const info = await createSdk(directory)
-    .session.get({ sessionID })
-    .then((x) => x.data)
+  await waitSessionSaved(space.directory, sessionID)
+  await createSdk(space.directory)
+    .session.abort({ sessionID })
     .catch(() => undefined)
-  if (!info) return ""
-  return info.directory
+  return sessionID
 }
 
 test("new sessions from sidebar workspace actions stay in selected workspace", async ({ page, withProject }) => {
   await page.setViewportSize({ width: 1400, height: 800 })
 
-  await withProject(async ({ directory, slug: root, trackSession, trackDirectory }) => {
+  await withProject(async ({ slug: root, trackDirectory, trackSession }) => {
     await openSidebar(page)
     await setWorkspacesEnabled(page, root, true)
 
@@ -101,17 +87,8 @@ test("new sessions from sidebar workspace actions stay in selected workspace", a
     trackDirectory(second.directory)
     await waitWorkspaceReady(page, second)
 
-    const firstSession = await createSessionFromWorkspace(page, first.slug, `workspace one ${Date.now()}`)
-    trackSession(firstSession.sessionID, first.directory)
-
-    const secondSession = await createSessionFromWorkspace(page, second.slug, `workspace two ${Date.now()}`)
-    trackSession(secondSession.sessionID, second.directory)
-
-    const thirdSession = await createSessionFromWorkspace(page, first.slug, `workspace one again ${Date.now()}`)
-    trackSession(thirdSession.sessionID, first.directory)
-
-    await expect.poll(() => sessionDirectory(first.directory, firstSession.sessionID)).toBe(first.directory)
-    await expect.poll(() => sessionDirectory(second.directory, secondSession.sessionID)).toBe(second.directory)
-    await expect.poll(() => sessionDirectory(first.directory, thirdSession.sessionID)).toBe(first.directory)
+    trackSession(await createSessionFromWorkspace(page, first, `workspace one ${Date.now()}`), first.directory)
+    trackSession(await createSessionFromWorkspace(page, second, `workspace two ${Date.now()}`), second.directory)
+    trackSession(await createSessionFromWorkspace(page, first, `workspace one again ${Date.now()}`), first.directory)
   })
 })

packages/app/e2e/session/session-model-persistence.spec.ts

@@ -1,6 +1,14 @@
 import type { Locator, Page } from "@playwright/test"
 import { test, expect } from "../fixtures"
-import { openSidebar, resolveSlug, sessionIDFromUrl, setWorkspacesEnabled, waitSessionIdle, waitSlug } from "../actions"
+import {
+  openSidebar,
+  resolveSlug,
+  sessionIDFromUrl,
+  setWorkspacesEnabled,
+  waitSession,
+  waitSessionIdle,
+  waitSlug,
+} from "../actions"
 import {
   promptAgentSelector,
   promptModelSelector,
@@ -29,8 +37,6 @@ const text = async (locator: Locator) => ((await locator.textContent()) ?? "").t
 
 const modelKey = (state: Probe | null) => (state?.model ? `${state.model.providerID}:${state.model.modelID}` : null)
 
-const dirKey = (state: Probe | null) => state?.dir ?? ""
-
 async function probe(page: Page): Promise<Probe | null> {
   return page.evaluate(() => {
     const win = window as Window & {
@@ -44,21 +50,6 @@ async function probe(page: Page): Promise<Probe | null> {
   })
 }
 
-async function currentDir(page: Page) {
-  let hit = ""
-  await expect
-    .poll(
-      async () => {
-        const next = dirKey(await probe(page))
-        if (next) hit = next
-        return next
-      },
-      { timeout: 30_000 },
-    )
-    .not.toBe("")
-  return hit
-}
-
 async function read(page: Page): Promise<Footer> {
   return {
     agent: await text(page.locator(`${promptAgentSelector} [data-slot="select-select-trigger-value"]`).first()),
@@ -187,8 +178,7 @@ async function chooseOtherModel(page: Page): Promise<Footer> {
 
 async function goto(page: Page, directory: string, sessionID?: string) {
   await page.goto(sessionPath(directory, sessionID))
-  await expect(page.locator(promptSelector)).toBeVisible()
-  await expect.poll(async () => dirKey(await probe(page)), { timeout: 30_000 }).toBe(directory)
+  await waitSession(page, { directory, sessionID })
 }
 
 async function submit(page: Page, value: string) {
@@ -224,7 +214,7 @@ async function createWorkspace(page: Page, root: string, seen: string[]) {
   await page.getByRole("button", { name: "New workspace" }).first().click()
 
   const next = await resolveSlug(await waitSlug(page, [root, ...seen]))
-  await expect(page).toHaveURL(new RegExp(`/${next.slug}/session(?:[/?#]|$)`))
+  await waitSession(page, { directory: next.directory })
   return next
 }
 
@@ -256,9 +246,7 @@ async function newWorkspaceSession(page: Page, slug: string) {
   await button.click({ force: true })
 
   const next = await resolveSlug(await waitSlug(page))
-  await expect(page).toHaveURL(new RegExp(`/${next.slug}/session(?:[/?#]|$)`))
-  await expect(page.locator(promptSelector)).toBeVisible()
-  return currentDir(page)
+  return waitSession(page, { directory: next.directory }).then((item) => item.directory)
 }
 
 test("session model and variant restore per session without leaking into new sessions", async ({
@@ -277,7 +265,7 @@ test("session model and variant restore per session without leaking into new ses
     await waitUser(directory, first)
 
     await page.reload()
-    await expect(page.locator(promptSelector)).toBeVisible()
+    await waitSession(page, { directory, sessionID: first })
     await waitFooter(page, firstState)
 
     await gotoSession()

packages/app/src/components/session/find-assistant-messages.test.ts

@@ -0,0 +1,81 @@
+import { describe, expect, test } from "bun:test"
+import type { Message } from "@opencode-ai/sdk/v2/client"
+import { findAssistantMessages } from "@opencode-ai/ui/find-assistant-messages"
+
+function user(id: string): Message {
+  return {
+    id,
+    role: "user",
+    sessionID: "session-1",
+    time: { created: 1 },
+  } as unknown as Message
+}
+
+function assistant(id: string, parentID: string): Message {
+  return {
+    id,
+    role: "assistant",
+    sessionID: "session-1",
+    parentID,
+    time: { created: 1 },
+  } as unknown as Message
+}
+
+describe("findAssistantMessages", () => {
+  test("normal ordering: assistant after user in array → found via forward scan", () => {
+    const messages = [user("u1"), assistant("a1", "u1")]
+    const result = findAssistantMessages(messages, 0, "u1")
+    expect(result).toHaveLength(1)
+    expect(result[0].id).toBe("a1")
+  })
+
+  test("clock skew: assistant before user in array → found via backward scan", () => {
+    // When client clock is ahead, user ID sorts after assistant ID,
+    // so assistant appears earlier in the ID-sorted message array
+    const messages = [assistant("a1", "u1"), user("u1")]
+    const result = findAssistantMessages(messages, 1, "u1")
+    expect(result).toHaveLength(1)
+    expect(result[0].id).toBe("a1")
+  })
+
+  test("no assistant messages → returns empty array", () => {
+    const messages = [user("u1"), user("u2")]
+    const result = findAssistantMessages(messages, 0, "u1")
+    expect(result).toHaveLength(0)
+  })
+
+  test("multiple assistant messages with matching parentID → all found", () => {
+    const messages = [user("u1"), assistant("a1", "u1"), assistant("a2", "u1")]
+    const result = findAssistantMessages(messages, 0, "u1")
+    expect(result).toHaveLength(2)
+    expect(result[0].id).toBe("a1")
+    expect(result[1].id).toBe("a2")
+  })
+
+  test("does not return assistant messages with different parentID", () => {
+    const messages = [user("u1"), assistant("a1", "u1"), assistant("a2", "other")]
+    const result = findAssistantMessages(messages, 0, "u1")
+    expect(result).toHaveLength(1)
+    expect(result[0].id).toBe("a1")
+  })
+
+  test("stops forward scan at next user message", () => {
+    const messages = [user("u1"), assistant("a1", "u1"), user("u2"), assistant("a2", "u1")]
+    const result = findAssistantMessages(messages, 0, "u1")
+    expect(result).toHaveLength(1)
+    expect(result[0].id).toBe("a1")
+  })
+
+  test("stops backward scan at previous user message", () => {
+    const messages = [assistant("a0", "u1"), user("u0"), assistant("a1", "u1"), user("u1")]
+    const result = findAssistantMessages(messages, 3, "u1")
+    expect(result).toHaveLength(1)
+    expect(result[0].id).toBe("a1")
+  })
+
+  test("invalid index returns empty array", () => {
+    const messages = [user("u1")]
+    expect(findAssistantMessages(messages, -1, "u1")).toHaveLength(0)
+    expect(findAssistantMessages(messages, 5, "u1")).toHaveLength(0)
+  })
+})

packages/app/src/components/titlebar.tsx

@@ -287,6 +287,9 @@ export function Titlebar() {
           </div>
         </div>
         <div id="opencode-titlebar-left" class="flex items-center gap-3 min-w-0 px-2" />
+        <div class="bg-icon-interactive-base text-background-base font-medium px-2 rounded-sm uppercase font-mono">
+          BETA
+        </div>
       </div>
 
       <div class="min-w-0 flex items-center justify-center pointer-events-none">

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

@@ -378,6 +378,7 @@ function createGlobalSync() {
       return globalStore.error
     },
     child: children.child,
+    peek: children.peek,
     bootstrap,
     updateConfig,
     project: projectApi,

packages/app/src/context/global-sync/child-store.ts

@@ -226,6 +226,15 @@ export function createChildStoreManager(input: {
     return childStore
   }
 
+  function peek(directory: string, options: ChildOptions = {}) {
+    const childStore = ensureChild(directory)
+    const shouldBootstrap = options.bootstrap ?? true
+    if (shouldBootstrap && childStore[0].status === "loading") {
+      input.onBootstrap(directory)
+    }
+    return childStore
+  }
+
   function projectMeta(directory: string, patch: ProjectMeta) {
     const [store, setStore] = ensureChild(directory)
     const cached = metaCache.get(directory)
@@ -256,6 +265,7 @@ export function createChildStoreManager(input: {
     children,
     ensureChild,
     child,
+    peek,
     projectMeta,
     projectIcon,
     mark,

packages/app/src/pages/error.tsx

@@ -1,11 +1,12 @@
 import { TextField } from "@opencode-ai/ui/text-field"
 import { Logo } from "@opencode-ai/ui/logo"
 import { Button } from "@opencode-ai/ui/button"
-import { Component, Show } from "solid-js"
+import { Component, Show, onMount } from "solid-js"
 import { createStore } from "solid-js/store"
 import { usePlatform } from "@/context/platform"
 import { useLanguage } from "@/context/language"
 import { Icon } from "@opencode-ai/ui/icon"
+import type { E2EWindow } from "@/testing/terminal"
 
 export type InitError = {
   name: string
@@ -226,6 +227,13 @@ export const ErrorPage: Component<ErrorPageProps> = (props) => {
     actionError: undefined as string | undefined,
   })
 
+  onMount(() => {
+    const win = window as E2EWindow
+    if (!win.__opencode_e2e) return
+    const detail = formatError(props.error, language.t)
+    console.error(`[e2e:error-boundary] ${window.location.pathname}\n${detail}`)
+  })
+
   async function checkForUpdates() {
     if (!platform.checkUpdate) return
     setStore("checking", true)

packages/app/src/pages/layout.tsx

@@ -129,6 +129,16 @@ export default function Layout(props: ParentProps) {
   const theme = useTheme()
   const language = useLanguage()
   const initialDirectory = decode64(params.dir)
+  const route = createMemo(() => {
+    const slug = params.dir
+    if (!slug) return { slug, dir: "" }
+    const dir = decode64(slug)
+    if (!dir) return { slug, dir: "" }
+    return {
+      slug,
+      dir: globalSync.peek(dir, { bootstrap: false })[0].path.directory || dir,
+    }
+  })
   const availableThemeEntries = createMemo(() => Object.entries(theme.themes()))
   const colorSchemeOrder: ColorScheme[] = ["system", "light", "dark"]
   const colorSchemeKey: Record<ColorScheme, "theme.scheme.system" | "theme.scheme.light" | "theme.scheme.dark"> = {
@@ -137,7 +147,7 @@ export default function Layout(props: ParentProps) {
     dark: "theme.scheme.dark",
   }
   const colorSchemeLabel = (scheme: ColorScheme) => language.t(colorSchemeKey[scheme])
-  const currentDir = createMemo(() => decode64(params.dir) ?? "")
+  const currentDir = createMemo(() => route().dir)
 
   const [state, setState] = createStore({
     autoselect: !initialDirectory,
@@ -484,8 +494,8 @@ export default function Layout(props: ParentProps) {
         }
 
         const currentSession = params.id
-        if (directory === currentDir() && props.sessionID === currentSession) return
-        if (directory === currentDir() && session?.parentID === currentSession) return
+        if (workspaceKey(directory) === workspaceKey(currentDir()) && props.sessionID === currentSession) return
+        if (workspaceKey(directory) === workspaceKey(currentDir()) && session?.parentID === currentSession) return
 
         dismissSessionAlert(sessionKey)
 
@@ -620,7 +630,7 @@ export default function Layout(props: ParentProps) {
     const activeDir = currentDir()
     return workspaceIds(project).filter((directory) => {
       const expanded = store.workspaceExpanded[directory] ?? directory === project.worktree
-      const active = directory === activeDir
+      const active = workspaceKey(directory) === workspaceKey(activeDir)
       return expanded || active
     })
   })
@@ -687,7 +697,7 @@ export default function Layout(props: ParentProps) {
       seen: lru,
       keep: sessionID,
       limit: PREFETCH_MAX_SESSIONS_PER_DIR,
-      preserve: directory === params.dir && params.id ? [params.id] : undefined,
+      preserve: params.id && workspaceKey(directory) === workspaceKey(currentDir()) ? [params.id] : undefined,
     })
   }
 
@@ -700,7 +710,7 @@ export default function Layout(props: ParentProps) {
   })
 
   createEffect(() => {
-    params.dir
+    route()
     globalSDK.url
 
     prefetchToken.value += 1
@@ -1692,13 +1702,10 @@ export default function Layout(props: ParentProps) {
   createEffect(
     on(
       () => {
-        const dir = params.dir
-        const directory = dir ? decode64(dir) : undefined
-        const resolved = directory ? globalSync.child(directory, { bootstrap: false })[0].path.directory : ""
-        return [pageReady(), dir, params.id, currentProject()?.worktree, directory, resolved] as const
+        return [pageReady(), route().slug, params.id, currentProject()?.worktree, currentDir()] as const
       },
-      ([ready, dir, id, root, directory, resolved]) => {
-        if (!ready || !dir || !directory) {
+      ([ready, slug, id, root, dir]) => {
+        if (!ready || !slug || !dir) {
           activeRoute.session = ""
           activeRoute.sessionProject = ""
           activeRoute.directory = ""
@@ -1712,29 +1719,28 @@ export default function Layout(props: ParentProps) {
           return
         }
 
-        const next = resolved || directory
-        const session = `${dir}/${id}`
+        const session = `${slug}/${id}`
 
         if (!root) {
           activeRoute.session = session
-          activeRoute.directory = next
+          activeRoute.directory = dir
           activeRoute.sessionProject = ""
           return
         }
 
         if (server.projects.last() !== root) server.projects.touch(root)
 
-        const changed = session !== activeRoute.session || next !== activeRoute.directory
+        const changed = session !== activeRoute.session || dir !== activeRoute.directory
         if (changed) {
           activeRoute.session = session
-          activeRoute.directory = next
-          activeRoute.sessionProject = syncSessionRoute(next, id, root)
+          activeRoute.directory = dir
+          activeRoute.sessionProject = syncSessionRoute(dir, id, root)
           return
         }
 
         if (root === activeRoute.sessionProject) return
-        activeRoute.directory = next
-        activeRoute.sessionProject = rememberSessionRoute(next, id, root)
+        activeRoute.directory = dir
+        activeRoute.sessionProject = rememberSessionRoute(dir, id, root)
       },
     ),
   )
@@ -1927,6 +1933,7 @@ export default function Layout(props: ParentProps) {
 
   const projectSidebarCtx: ProjectSidebarContext = {
     currentDir,
+    currentProject,
     sidebarOpened: () => layout.sidebar.opened(),
     sidebarHovering,
     hoverProject: () => state.hoverProject,

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

@@ -40,10 +40,10 @@ export const latestRootSession = (stores: SessionStore[], now: number) =>
   stores.flatMap(roots).sort(sortSessions(now))[0]
 
 export function hasProjectPermissions<T>(
-  request: Record<string, T[] | undefined>,
+  request: Record<string, T[] | undefined> | undefined,
   include: (item: T) => boolean = () => true,
 ) {
-  return Object.values(request).some((list) => list?.some(include))
+  return Object.values(request ?? {}).some((list) => list?.some(include))
 }
 
 export const childMapByParent = (sessions: Session[] | undefined) => {

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

@@ -15,6 +15,7 @@ import { childMapByParent, displayName, sortedRootSessions } from "./helpers"
 
 export type ProjectSidebarContext = {
   currentDir: Accessor<string>
+  currentProject: Accessor<LocalProject | undefined>
   sidebarOpened: Accessor<boolean>
   sidebarHovering: Accessor<boolean>
   hoverProject: Accessor<string | undefined>
@@ -278,11 +279,7 @@ export const SortableProject = (props: {
   const globalSync = useGlobalSync()
   const language = useLanguage()
   const sortable = createSortable(props.project.worktree)
-  const selected = createMemo(
-    () =>
-      props.project.worktree === props.ctx.currentDir() ||
-      props.project.sandboxes?.includes(props.ctx.currentDir()) === true,
-  )
+  const selected = createMemo(() => props.ctx.currentProject()?.worktree === props.project.worktree)
   const workspaces = createMemo(() => props.ctx.workspaceIds(props.project).slice(0, 2))
   const workspaceEnabled = createMemo(() => props.ctx.workspacesEnabled(props.project))
   const dirs = createMemo(() => props.ctx.workspaceIds(props.project))

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

@@ -17,7 +17,7 @@ import { type LocalProject } from "@/context/layout"
 import { useGlobalSync } from "@/context/global-sync"
 import { useLanguage } from "@/context/language"
 import { NewSessionItem, SessionItem, SessionSkeleton } from "./sidebar-items"
-import { childMapByParent, sortedRootSessions } from "./helpers"
+import { childMapByParent, sortedRootSessions, workspaceKey } from "./helpers"
 
 type InlineEditorComponent = (props: {
   id: string
@@ -323,7 +323,7 @@ export const SortableWorkspace = (props: {
   const sessions = createMemo(() => sortedRootSessions(workspaceStore, props.sortNow()))
   const children = createMemo(() => childMapByParent(workspaceStore.session))
   const local = createMemo(() => props.directory === props.project.worktree)
-  const active = createMemo(() => props.ctx.currentDir() === props.directory)
+  const active = createMemo(() => workspaceKey(props.ctx.currentDir()) === workspaceKey(props.directory))
   const workspaceValue = createMemo(() => {
     const branch = workspaceStore.vcs?.branch
     const name = branch ?? getFilename(props.directory)

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

@@ -3,6 +3,7 @@ import { createStore } from "solid-js/store"
 import { Button } from "@opencode-ai/ui/button"
 import { DockPrompt } from "@opencode-ai/ui/dock-prompt"
 import { Icon } from "@opencode-ai/ui/icon"
+import { IconButton } from "@opencode-ai/ui/icon-button"
 import { showToast } from "@opencode-ai/ui/toast"
 import type { QuestionAnswer, QuestionRequest } from "@opencode-ai/sdk/v2"
 import { useLanguage } from "@/context/language"
@@ -25,6 +26,7 @@ export const SessionQuestionDock: Component<{ request: QuestionRequest; onSubmit
     customOn: cached?.customOn ?? ([] as boolean[]),
     editing: false,
     sending: false,
+    collapsed: false,
   })
 
   let root: HTMLDivElement | undefined
@@ -35,6 +37,7 @@ export const SessionQuestionDock: Component<{ request: QuestionRequest; onSubmit
   const input = createMemo(() => store.custom[store.tab] ?? "")
   const on = createMemo(() => store.customOn[store.tab] === true)
   const multi = createMemo(() => question()?.multiple === true)
+  const picked = createMemo(() => store.answers[store.tab]?.length ?? 0)
 
   const summary = createMemo(() => {
     const n = Math.min(store.tab + 1, total())
@@ -43,6 +46,8 @@ export const SessionQuestionDock: Component<{ request: QuestionRequest; onSubmit
 
   const last = createMemo(() => store.tab >= total() - 1)
 
+  const fold = () => setStore("collapsed", (value) => !value)
+
   const customUpdate = (value: string, selected: boolean = on()) => {
     const prev = input().trim()
     const next = value.trim()
@@ -257,9 +262,21 @@ export const SessionQuestionDock: Component<{ request: QuestionRequest; onSubmit
       kind="question"
       ref={(el) => (root = el)}
       header={
-        <>
+        <div
+          data-action="session-question-toggle"
+          class="flex flex-1 min-w-0 items-center gap-2 cursor-default select-none"
+          role="button"
+          tabIndex={0}
+          style={{ margin: "0 -10px", padding: "0 0 0 10px" }}
+          onClick={fold}
+          onKeyDown={(event) => {
+            if (event.key !== "Enter" && event.key !== " ") return
+            event.preventDefault()
+            fold()
+          }}
+        >
           <div data-slot="question-header-title">{summary()}</div>
-          <div data-slot="question-progress">
+          <div data-slot="question-progress" class="ml-auto mr-1">
             <For each={questions()}>
               {(_, i) => (
                 <button
@@ -271,13 +288,38 @@ export const SessionQuestionDock: Component<{ request: QuestionRequest; onSubmit
                     (store.customOn[i()] === true && (store.custom[i()] ?? "").trim().length > 0)
                   }
                   disabled={store.sending}
-                  onClick={() => jump(i())}
+                  onMouseDown={(event) => {
+                    event.preventDefault()
+                    event.stopPropagation()
+                  }}
+                  onClick={(event) => {
+                    event.stopPropagation()
+                    jump(i())
+                  }}
                   aria-label={`${language.t("ui.tool.questions")} ${i() + 1}`}
                 />
               )}
             </For>
           </div>
-        </>
+          <div>
+            <IconButton
+              data-action="session-question-toggle-button"
+              icon="chevron-down"
+              size="normal"
+              variant="ghost"
+              classList={{ "rotate-180": store.collapsed }}
+              onMouseDown={(event) => {
+                event.preventDefault()
+                event.stopPropagation()
+              }}
+              onClick={(event) => {
+                event.stopPropagation()
+                fold()
+              }}
+              aria-label={store.collapsed ? language.t("session.todo.expand") : language.t("session.todo.collapse")}
+            />
+          </div>
+        </div>
       }
       footer={
         <>
@@ -297,56 +339,121 @@ export const SessionQuestionDock: Component<{ request: QuestionRequest; onSubmit
         </>
       }
     >
-      <div data-slot="question-text">{question()?.question}</div>
-      <Show when={multi()} fallback={<div data-slot="question-hint">{language.t("ui.question.singleHint")}</div>}>
-        <div data-slot="question-hint">{language.t("ui.question.multiHint")}</div>
+      <div
+        data-slot="question-text"
+        class="cursor-default"
+        classList={{
+          "mb-6": store.collapsed && picked() === 0,
+        }}
+        role={store.collapsed ? "button" : undefined}
+        tabIndex={store.collapsed ? 0 : undefined}
+        onClick={fold}
+        onKeyDown={(event) => {
+          if (!store.collapsed) return
+          if (event.key !== "Enter" && event.key !== " ") return
+          event.preventDefault()
+          fold()
+        }}
+      >
+        {question()?.question}
+      </div>
+      <Show when={store.collapsed && picked() > 0}>
+        <div data-slot="question-hint" class="cursor-default mb-6">
+          {picked()} answer{picked() === 1 ? "" : "s"} selected
+        </div>
       </Show>
-      <div data-slot="question-options">
-        <For each={options()}>
-          {(opt, i) => {
-            const picked = () => store.answers[store.tab]?.includes(opt.label) ?? false
-            return (
+      <div data-slot="question-answers" hidden={store.collapsed} aria-hidden={store.collapsed}>
+        <Show when={multi()} fallback={<div data-slot="question-hint">{language.t("ui.question.singleHint")}</div>}>
+          <div data-slot="question-hint">{language.t("ui.question.multiHint")}</div>
+        </Show>
+        <div data-slot="question-options">
+          <For each={options()}>
+            {(opt, i) => {
+              const picked = () => store.answers[store.tab]?.includes(opt.label) ?? false
+              return (
+                <button
+                  data-slot="question-option"
+                  data-picked={picked()}
+                  role={multi() ? "checkbox" : "radio"}
+                  aria-checked={picked()}
+                  disabled={store.sending}
+                  onClick={() => selectOption(i())}
+                >
+                  <span data-slot="question-option-check" aria-hidden="true">
+                    <span
+                      data-slot="question-option-box"
+                      data-type={multi() ? "checkbox" : "radio"}
+                      data-picked={picked()}
+                    >
+                      <Show when={multi()} fallback={<span data-slot="question-option-radio-dot" />}>
+                        <Icon name="check-small" size="small" />
+                      </Show>
+                    </span>
+                  </span>
+                  <span data-slot="question-option-main">
+                    <span data-slot="option-label">{opt.label}</span>
+                    <Show when={opt.description}>
+                      <span data-slot="option-description">{opt.description}</span>
+                    </Show>
+                  </span>
+                </button>
+              )
+            }}
+          </For>
+
+          <Show
+            when={store.editing}
+            fallback={
               <button
                 data-slot="question-option"
-                data-picked={picked()}
+                data-custom="true"
+                data-picked={on()}
                 role={multi() ? "checkbox" : "radio"}
-                aria-checked={picked()}
+                aria-checked={on()}
                 disabled={store.sending}
-                onClick={() => selectOption(i())}
+                onClick={customOpen}
               >
-                <span data-slot="question-option-check" aria-hidden="true">
-                  <span
-                    data-slot="question-option-box"
-                    data-type={multi() ? "checkbox" : "radio"}
-                    data-picked={picked()}
-                  >
+                <span
+                  data-slot="question-option-check"
+                  aria-hidden="true"
+                  onClick={(e) => {
+                    e.preventDefault()
+                    e.stopPropagation()
+                    customToggle()
+                  }}
+                >
+                  <span data-slot="question-option-box" data-type={multi() ? "checkbox" : "radio"} data-picked={on()}>
                     <Show when={multi()} fallback={<span data-slot="question-option-radio-dot" />}>
                       <Icon name="check-small" size="small" />
                     </Show>
                   </span>
                 </span>
                 <span data-slot="question-option-main">
-                  <span data-slot="option-label">{opt.label}</span>
-                  <Show when={opt.description}>
-                    <span data-slot="option-description">{opt.description}</span>
-                  </Show>
+                  <span data-slot="option-label">{language.t("ui.messagePart.option.typeOwnAnswer")}</span>
+                  <span data-slot="option-description">{input() || language.t("ui.question.custom.placeholder")}</span>
                 </span>
               </button>
-            )
-          }}
-        </For>
-
-        <Show
-          when={store.editing}
-          fallback={
-            <button
+            }
+          >
+            <form
               data-slot="question-option"
               data-custom="true"
               data-picked={on()}
               role={multi() ? "checkbox" : "radio"}
               aria-checked={on()}
-              disabled={store.sending}
-              onClick={customOpen}
+              onMouseDown={(e) => {
+                if (store.sending) {
+                  e.preventDefault()
+                  return
+                }
+                if (e.target instanceof HTMLTextAreaElement) return
+                const input = e.currentTarget.querySelector('[data-slot="question-custom-input"]')
+                if (input instanceof HTMLTextAreaElement) input.focus()
+              }}
+              onSubmit={(e) => {
+                e.preventDefault()
+                commitCustom()
+              }}
             >
               <span
                 data-slot="question-option-check"
@@ -365,80 +472,39 @@ export const SessionQuestionDock: Component<{ request: QuestionRequest; onSubmit
               </span>
               <span data-slot="question-option-main">
                 <span data-slot="option-label">{language.t("ui.messagePart.option.typeOwnAnswer")}</span>
-                <span data-slot="option-description">{input() || language.t("ui.question.custom.placeholder")}</span>
-              </span>
-            </button>
-          }
-        >
-          <form
-            data-slot="question-option"
-            data-custom="true"
-            data-picked={on()}
-            role={multi() ? "checkbox" : "radio"}
-            aria-checked={on()}
-            onMouseDown={(e) => {
-              if (store.sending) {
-                e.preventDefault()
-                return
-              }
-              if (e.target instanceof HTMLTextAreaElement) return
-              const input = e.currentTarget.querySelector('[data-slot="question-custom-input"]')
-              if (input instanceof HTMLTextAreaElement) input.focus()
-            }}
-            onSubmit={(e) => {
-              e.preventDefault()
-              commitCustom()
-            }}
-          >
-            <span
-              data-slot="question-option-check"
-              aria-hidden="true"
-              onClick={(e) => {
-                e.preventDefault()
-                e.stopPropagation()
-                customToggle()
-              }}
-            >
-              <span data-slot="question-option-box" data-type={multi() ? "checkbox" : "radio"} data-picked={on()}>
-                <Show when={multi()} fallback={<span data-slot="question-option-radio-dot" />}>
-                  <Icon name="check-small" size="small" />
-                </Show>
-              </span>
-            </span>
-            <span data-slot="question-option-main">
-              <span data-slot="option-label">{language.t("ui.messagePart.option.typeOwnAnswer")}</span>
-              <textarea
-                ref={(el) =>
-                  setTimeout(() => {
-                    el.focus()
-                    el.style.height = "0px"
-                    el.style.height = `${el.scrollHeight}px`
-                  }, 0)
-                }
-                data-slot="question-custom-input"
-                placeholder={language.t("ui.question.custom.placeholder")}
-                value={input()}
-                rows={1}
-                disabled={store.sending}
-                onKeyDown={(e) => {
-                  if (e.key === "Escape") {
-                    e.preventDefault()
-                    setStore("editing", false)
-                    return
+                <textarea
+                  ref={(el) =>
+                    setTimeout(() => {
+                      el.focus()
+                      el.style.height = "0px"
+                      el.style.height = `${el.scrollHeight}px`
+                    }, 0)
                   }
-                  if (e.key !== "Enter" || e.shiftKey) return
-                  e.preventDefault()
-                  commitCustom()
-                }}
-                onInput={(e) => {
-                  customUpdate(e.currentTarget.value)
-                  e.currentTarget.style.height = "0px"
-                  e.currentTarget.style.height = `${e.currentTarget.scrollHeight}px`
-                }}
-              />
-            </span>
-          </form>
-        </Show>
+                  data-slot="question-custom-input"
+                  placeholder={language.t("ui.question.custom.placeholder")}
+                  value={input()}
+                  rows={1}
+                  disabled={store.sending}
+                  onKeyDown={(e) => {
+                    if (e.key === "Escape") {
+                      e.preventDefault()
+                      setStore("editing", false)
+                      return
+                    }
+                    if (e.key !== "Enter" || e.shiftKey) return
+                    e.preventDefault()
+                    commitCustom()
+                  }}
+                  onInput={(e) => {
+                    customUpdate(e.currentTarget.value)
+                    e.currentTarget.style.height = "0px"
+                    e.currentTarget.style.height = `${e.currentTarget.scrollHeight}px`
+                  }}
+                />
+              </span>
+            </form>
+          </Show>
+        </div>
       </div>
     </DockPrompt>
   )

packages/console/core/package.json

@@ -42,7 +42,7 @@
   "devDependencies": {
     "@cloudflare/workers-types": "catalog:",
     "@tsconfig/node22": "22.0.2",
-    "@types/bun": "1.3.0",
+    "@types/bun": "catalog:",
     "@types/node": "catalog:",
     "drizzle-kit": "catalog:",
     "mysql2": "3.14.4",

packages/containers/bun-node/Dockerfile

@@ -4,7 +4,7 @@ FROM ${REGISTRY}/build/base:24.04
 SHELL ["/bin/bash", "-lc"]
 
 ARG NODE_VERSION=24.4.0
-ARG BUN_VERSION=1.3.5
+ARG BUN_VERSION=1.3.11
 
 ENV BUN_INSTALL=/opt/bun
 ENV PATH=/opt/bun/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin

packages/opencode/package.json

@@ -52,6 +52,7 @@
     "@types/bun": "catalog:",
     "@types/cross-spawn": "6.0.6",
     "@types/mime-types": "3.0.1",
+    "@types/npmcli__arborist": "6.3.3",
     "@types/semver": "^7.5.8",
     "@types/turndown": "5.0.5",
     "@types/which": "3.0.4",
@@ -89,11 +90,15 @@
     "@ai-sdk/xai": "2.0.51",
     "@aws-sdk/credential-providers": "3.993.0",
     "@clack/prompts": "1.0.0-alpha.1",
+    "@effect/platform-node": "catalog:",
     "@gitlab/gitlab-ai-provider": "3.6.0",
     "@gitlab/opencode-gitlab-auth": "1.3.3",
+    "@hono/node-server": "1.19.11",
+    "@hono/node-ws": "1.3.0",
     "@hono/standard-validator": "0.1.5",
     "@hono/zod-validator": "catalog:",
     "@modelcontextprotocol/sdk": "1.25.2",
+    "@npmcli/arborist": "9.4.0",
     "@octokit/graphql": "9.0.2",
     "@octokit/rest": "catalog:",
     "@openauthjs/openauth": "catalog:",
@@ -102,9 +107,8 @@
     "@opencode-ai/sdk": "workspace:*",
     "@opencode-ai/util": "workspace:*",
     "@openrouter/ai-sdk-provider": "1.5.4",
-    "@opentui/core": "0.1.87",
-    "@opentui/solid": "0.1.87",
-    "@effect/platform-node": "catalog:",
+    "@opentui/core": "0.1.88",
+    "@opentui/solid": "0.1.88",
     "@parcel/watcher": "2.5.1",
     "@pierre/diffs": "catalog:",
     "@solid-primitives/event-bus": "1.1.2",

packages/opencode/script/build-node.ts

@@ -0,0 +1,54 @@
+#!/usr/bin/env bun
+
+import fs from "fs"
+import path from "path"
+import { fileURLToPath } from "url"
+
+const __filename = fileURLToPath(import.meta.url)
+const __dirname = path.dirname(__filename)
+const dir = path.resolve(__dirname, "..")
+
+process.chdir(dir)
+
+// Load migrations from migration directories
+const migrationDirs = (
+  await fs.promises.readdir(path.join(dir, "migration"), {
+    withFileTypes: true,
+  })
+)
+  .filter((entry) => entry.isDirectory() && /^\d{4}\d{2}\d{2}\d{2}\d{2}\d{2}/.test(entry.name))
+  .map((entry) => entry.name)
+  .sort()
+
+const migrations = await Promise.all(
+  migrationDirs.map(async (name) => {
+    const file = path.join(dir, "migration", name, "migration.sql")
+    const sql = await Bun.file(file).text()
+    const match = /^(\d{4})(\d{2})(\d{2})(\d{2})(\d{2})(\d{2})/.exec(name)
+    const timestamp = match
+      ? Date.UTC(
+          Number(match[1]),
+          Number(match[2]) - 1,
+          Number(match[3]),
+          Number(match[4]),
+          Number(match[5]),
+          Number(match[6]),
+        )
+      : 0
+    return { sql, timestamp, name }
+  }),
+)
+console.log(`Loaded ${migrations.length} migrations`)
+
+await Bun.build({
+  target: "node",
+  entrypoints: ["./src/node.ts"],
+  outdir: "./dist",
+  format: "esm",
+  external: ["jsonc-parser"],
+  define: {
+    OPENCODE_MIGRATIONS: JSON.stringify(migrations),
+  },
+})
+
+console.log("Build complete")

packages/opencode/specs/effect-migration.md

@@ -127,7 +127,7 @@ Done now:
 Still open and likely worth migrating:
 
 - [ ] `Plugin`
-- [x] `ToolRegistry`
+- [ ] `ToolRegistry`
 - [ ] `Pty`
 - [ ] `Worktree`
 - [ ] `Installation`

packages/opencode/src/account/effect.ts

@@ -6,9 +6,9 @@ import { AccountRepo, type AccountRow } from "./repo"
 import {
   type AccountError,
   AccessToken,
-  Account,
   AccountID,
   DeviceCode,
+  Info,
   RefreshToken,
   AccountServiceError,
   Login,
@@ -24,10 +24,30 @@ import {
   UserCode,
 } from "./schema"
 
-export * from "./schema"
+export {
+  AccountID,
+  type AccountError,
+  AccountRepoError,
+  AccountServiceError,
+  AccessToken,
+  RefreshToken,
+  DeviceCode,
+  UserCode,
+  Info,
+  Org,
+  OrgID,
+  Login,
+  PollSuccess,
+  PollPending,
+  PollSlow,
+  PollExpired,
+  PollDenied,
+  PollError,
+  PollResult,
+} from "./schema"
 
 export type AccountOrgs = {
-  account: Account
+  account: Info
   orgs: readonly Org[]
 }
 
@@ -108,10 +128,10 @@ const mapAccountServiceError =
       ),
     )
 
-export namespace AccountEffect {
+export namespace Account {
   export interface Interface {
-    readonly active: () => Effect.Effect<Option.Option<Account>, AccountError>
-    readonly list: () => Effect.Effect<Account[], AccountError>
+    readonly active: () => Effect.Effect<Option.Option<Info>, AccountError>
+    readonly list: () => Effect.Effect<Info[], AccountError>
     readonly orgsByAccount: () => Effect.Effect<readonly AccountOrgs[], AccountError>
     readonly remove: (accountID: AccountID) => Effect.Effect<void, AccountError>
     readonly use: (accountID: AccountID, orgID: Option.Option<OrgID>) => Effect.Effect<void, AccountError>

packages/opencode/src/account/index.ts

@@ -1,31 +1,24 @@
 import { Effect, Option } from "effect"
 
-import {
-  Account as AccountSchema,
-  type AccountError,
-  type AccessToken,
-  AccountID,
-  AccountEffect,
-  OrgID,
-} from "./effect"
+import { Account as S, type AccountError, type AccessToken, AccountID, Info as Model, OrgID } from "./effect"
 
 export { AccessToken, AccountID, OrgID } from "./effect"
 
 import { runtime } from "@/effect/runtime"
 
-function runSync<A>(f: (service: AccountEffect.Interface) => Effect.Effect<A, AccountError>) {
-  return runtime.runSync(AccountEffect.Service.use(f))
+function runSync<A>(f: (service: S.Interface) => Effect.Effect<A, AccountError>) {
+  return runtime.runSync(S.Service.use(f))
 }
 
-function runPromise<A>(f: (service: AccountEffect.Interface) => Effect.Effect<A, AccountError>) {
-  return runtime.runPromise(AccountEffect.Service.use(f))
+function runPromise<A>(f: (service: S.Interface) => Effect.Effect<A, AccountError>) {
+  return runtime.runPromise(S.Service.use(f))
 }
 
 export namespace Account {
-  export const Account = AccountSchema
-  export type Account = AccountSchema
+  export const Info = Model
+  export type Info = Model
 
-  export function active(): Account | undefined {
+  export function active(): Info | undefined {
     return Option.getOrUndefined(runSync((service) => service.active()))
   }
 

packages/opencode/src/account/repo.ts

@@ -3,7 +3,7 @@ import { Effect, Layer, Option, Schema, ServiceMap } from "effect"
 
 import { Database } from "@/storage/db"
 import { AccountStateTable, AccountTable } from "./account.sql"
-import { AccessToken, Account, AccountID, AccountRepoError, OrgID, RefreshToken } from "./schema"
+import { AccessToken, AccountID, AccountRepoError, Info, OrgID, RefreshToken } from "./schema"
 
 export type AccountRow = (typeof AccountTable)["$inferSelect"]
 
@@ -13,8 +13,8 @@ const ACCOUNT_STATE_ID = 1
 
 export namespace AccountRepo {
   export interface Service {
-    readonly active: () => Effect.Effect<Option.Option<Account>, AccountRepoError>
-    readonly list: () => Effect.Effect<Account[], AccountRepoError>
+    readonly active: () => Effect.Effect<Option.Option<Info>, AccountRepoError>
+    readonly list: () => Effect.Effect<Info[], AccountRepoError>
     readonly remove: (accountID: AccountID) => Effect.Effect<void, AccountRepoError>
     readonly use: (accountID: AccountID, orgID: Option.Option<OrgID>) => Effect.Effect<void, AccountRepoError>
     readonly getRow: (accountID: AccountID) => Effect.Effect<Option.Option<AccountRow>, AccountRepoError>
@@ -40,7 +40,7 @@ export class AccountRepo extends ServiceMap.Service<AccountRepo, AccountRepo.Ser
   static readonly layer: Layer.Layer<AccountRepo> = Layer.effect(
     AccountRepo,
     Effect.gen(function* () {
-      const decode = Schema.decodeUnknownSync(Account)
+      const decode = Schema.decodeUnknownSync(Info)
 
       const query = <A>(f: (db: DbClient) => A) =>
         Effect.try({

packages/opencode/src/account/schema.ts

@@ -38,7 +38,7 @@ export const UserCode = Schema.String.pipe(
 )
 export type UserCode = Schema.Schema.Type<typeof UserCode>
 
-export class Account extends Schema.Class<Account>("Account")({
+export class Info extends Schema.Class<Info>("Account")({
   id: AccountID,
   email: Schema.String,
   url: Schema.String,

packages/opencode/src/agent/agent.ts

@@ -64,6 +64,7 @@ export namespace Agent {
       question: "deny",
       plan_enter: "deny",
       plan_exit: "deny",
+      edit: "ask",
       // mirrors github.com/github/gitignore Node.gitignore pattern for .env files
       read: {
         "*": "allow",

packages/opencode/src/auth/effect.ts

@@ -37,7 +37,7 @@ const file = path.join(Global.Path.data, "auth.json")
 
 const fail = (message: string) => (cause: unknown) => new AuthError({ message, cause })
 
-export namespace AuthEffect {
+export namespace Auth {
   export interface Interface {
     readonly get: (providerID: string) => Effect.Effect<Info | undefined, AuthError>
     readonly all: () => Effect.Effect<Record<string, Info>, AuthError>

packages/opencode/src/auth/index.ts

@@ -5,8 +5,8 @@ import * as S from "./effect"
 
 export { OAUTH_DUMMY_KEY } from "./effect"
 
-function runPromise<A>(f: (service: S.AuthEffect.Interface) => Effect.Effect<A, S.AuthError>) {
-  return runtime.runPromise(S.AuthEffect.Service.use(f))
+function runPromise<A>(f: (service: S.Auth.Interface) => Effect.Effect<A, S.AuthError>) {
+  return runtime.runPromise(S.Auth.Service.use(f))
 }
 
 export namespace Auth {

packages/opencode/src/bun/index.ts

@@ -1,127 +0,0 @@
-import z from "zod"
-import { Global } from "../global"
-import { Log } from "../util/log"
-import path from "path"
-import { Filesystem } from "../util/filesystem"
-import { NamedError } from "@opencode-ai/util/error"
-import { Lock } from "../util/lock"
-import { PackageRegistry } from "./registry"
-import { proxied } from "@/util/proxied"
-import { Process } from "../util/process"
-
-export namespace BunProc {
-  const log = Log.create({ service: "bun" })
-
-  export async function run(cmd: string[], options?: Process.RunOptions) {
-    const full = [which(), ...cmd]
-    log.info("running", {
-      cmd: full,
-      ...options,
-    })
-    const result = await Process.run(full, {
-      cwd: options?.cwd,
-      abort: options?.abort,
-      kill: options?.kill,
-      timeout: options?.timeout,
-      nothrow: options?.nothrow,
-      env: {
-        ...process.env,
-        ...options?.env,
-        BUN_BE_BUN: "1",
-      },
-    })
-    log.info("done", {
-      code: result.code,
-      stdout: result.stdout.toString(),
-      stderr: result.stderr.toString(),
-    })
-    return result
-  }
-
-  export function which() {
-    return process.execPath
-  }
-
-  export const InstallFailedError = NamedError.create(
-    "BunInstallFailedError",
-    z.object({
-      pkg: z.string(),
-      version: z.string(),
-    }),
-  )
-
-  export async function install(pkg: string, version = "latest") {
-    // Use lock to ensure only one install at a time
-    using _ = await Lock.write("bun-install")
-
-    const mod = path.join(Global.Path.cache, "node_modules", pkg)
-    const pkgjsonPath = path.join(Global.Path.cache, "package.json")
-    const parsed = await Filesystem.readJson<{ dependencies: Record<string, string> }>(pkgjsonPath).catch(async () => {
-      const result = { dependencies: {} as Record<string, string> }
-      await Filesystem.writeJson(pkgjsonPath, result)
-      return result
-    })
-    if (!parsed.dependencies) parsed.dependencies = {} as Record<string, string>
-    const dependencies = parsed.dependencies
-    const modExists = await Filesystem.exists(mod)
-    const cachedVersion = dependencies[pkg]
-
-    if (!modExists || !cachedVersion) {
-      // continue to install
-    } else if (version !== "latest" && cachedVersion === version) {
-      return mod
-    } else if (version === "latest") {
-      const isOutdated = await PackageRegistry.isOutdated(pkg, cachedVersion, Global.Path.cache)
-      if (!isOutdated) return mod
-      log.info("Cached version is outdated, proceeding with install", { pkg, cachedVersion })
-    }
-
-    // Build command arguments
-    const args = [
-      "add",
-      "--force",
-      "--exact",
-      // TODO: get rid of this case (see: https://github.com/oven-sh/bun/issues/19936)
-      ...(proxied() || process.env.CI ? ["--no-cache"] : []),
-      "--cwd",
-      Global.Path.cache,
-      pkg + "@" + version,
-    ]
-
-    // Let Bun handle registry resolution:
-    // - If .npmrc files exist, Bun will use them automatically
-    // - If no .npmrc files exist, Bun will default to https://registry.npmjs.org
-    // - No need to pass --registry flag
-    log.info("installing package using Bun's default registry resolution", {
-      pkg,
-      version,
-    })
-
-    await BunProc.run(args, {
-      cwd: Global.Path.cache,
-    }).catch((e) => {
-      throw new InstallFailedError(
-        { pkg, version },
-        {
-          cause: e,
-        },
-      )
-    })
-
-    // Resolve actual version from installed package when using "latest"
-    // This ensures subsequent starts use the cached version until explicitly updated
-    let resolvedVersion = version
-    if (version === "latest") {
-      const installedPkg = await Filesystem.readJson<{ version?: string }>(path.join(mod, "package.json")).catch(
-        () => null,
-      )
-      if (installedPkg?.version) {
-        resolvedVersion = installedPkg.version
-      }
-    }
-
-    parsed.dependencies[pkg] = resolvedVersion
-    await Filesystem.writeJson(pkgjsonPath, parsed)
-    return mod
-  }
-}

packages/opencode/src/bun/registry.ts

@@ -1,44 +0,0 @@
-import semver from "semver"
-import { Log } from "../util/log"
-import { Process } from "../util/process"
-
-export namespace PackageRegistry {
-  const log = Log.create({ service: "bun" })
-
-  function which() {
-    return process.execPath
-  }
-
-  export async function info(pkg: string, field: string, cwd?: string): Promise<string | null> {
-    const { code, stdout, stderr } = await Process.run([which(), "info", pkg, field], {
-      cwd,
-      env: {
-        ...process.env,
-        BUN_BE_BUN: "1",
-      },
-      nothrow: true,
-    })
-
-    if (code !== 0) {
-      log.warn("bun info failed", { pkg, field, code, stderr: stderr.toString() })
-      return null
-    }
-
-    const value = stdout.toString().trim()
-    if (!value) return null
-    return value
-  }
-
-  export async function isOutdated(pkg: string, cachedVersion: string, cwd?: string): Promise<boolean> {
-    const latestVersion = await info(pkg, "version", cwd)
-    if (!latestVersion) {
-      log.warn("Failed to resolve latest version, using cached", { pkg, cachedVersion })
-      return false
-    }
-
-    const isRange = /[\s^~*xX<>|=]/.test(cachedVersion)
-    if (isRange) return !semver.satisfies(latestVersion, cachedVersion)
-
-    return semver.lt(cachedVersion, latestVersion)
-  }
-}

packages/opencode/src/bus/index.ts

@@ -1,12 +1,13 @@
 import z from "zod"
+import { Effect, Layer, PubSub, ServiceMap, Stream } from "effect"
 import { Log } from "../util/log"
 import { Instance } from "../project/instance"
 import { BusEvent } from "./bus-event"
 import { GlobalBus } from "./global"
+import { runCallbackInstance, runPromiseInstance } from "../effect/runtime"
 
 export namespace Bus {
   const log = Log.create({ service: "bus" })
-  type Subscription = (event: any) => void
 
   export const InstanceDisposed = BusEvent.define(
     "server.instance.disposed",
@@ -15,91 +16,130 @@ export namespace Bus {
     }),
   )
 
-  const state = Instance.state(
-    () => {
-      const subscriptions = new Map<any, Subscription[]>()
+  // ---------------------------------------------------------------------------
+  // Service definition
+  // ---------------------------------------------------------------------------
 
-      return {
-        subscriptions,
+  type Payload<D extends BusEvent.Definition = BusEvent.Definition> = {
+    type: D["type"]
+    properties: z.infer<D["properties"]>
+  }
+
+  export interface Interface {
+    readonly publish: <D extends BusEvent.Definition>(
+      def: D,
+      properties: z.output<D["properties"]>,
+    ) => Effect.Effect<void>
+    readonly subscribe: <D extends BusEvent.Definition>(def: D) => Stream.Stream<Payload<D>>
+    readonly subscribeAll: () => Stream.Stream<Payload>
+  }
+
+  export class Service extends ServiceMap.Service<Service, Interface>()("@opencode/Bus") {}
+
+  export const layer = Layer.effect(
+    Service,
+    Effect.gen(function* () {
+      const pubsubs = new Map<string, PubSub.PubSub<Payload>>()
+      const wildcardPubSub = yield* PubSub.unbounded<Payload>()
+
+      const getOrCreate = Effect.fnUntraced(function* (type: string) {
+        let ps = pubsubs.get(type)
+        if (!ps) {
+          ps = yield* PubSub.unbounded<Payload>()
+          pubsubs.set(type, ps)
+        }
+        return ps
+      })
+
+      function publish<D extends BusEvent.Definition>(def: D, properties: z.output<D["properties"]>) {
+        return Effect.gen(function* () {
+          const payload: Payload = { type: def.type, properties }
+          log.info("publishing", { type: def.type })
+
+          const ps = pubsubs.get(def.type)
+          if (ps) yield* PubSub.publish(ps, payload)
+          yield* PubSub.publish(wildcardPubSub, payload)
+
+          GlobalBus.emit("event", {
+            directory: Instance.directory,
+            payload,
+          })
+        })
       }
-    },
-    async (entry) => {
-      const wildcard = entry.subscriptions.get("*")
-      if (!wildcard) return
-      const event = {
-        type: InstanceDisposed.type,
-        properties: {
-          directory: Instance.directory,
-        },
+
+      function subscribe<D extends BusEvent.Definition>(def: D): Stream.Stream<Payload<D>> {
+        log.info("subscribing", { type: def.type })
+        return Stream.unwrap(
+          Effect.gen(function* () {
+            const ps = yield* getOrCreate(def.type)
+            return Stream.fromPubSub(ps) as Stream.Stream<Payload<D>>
+          }),
+        ).pipe(Stream.ensuring(Effect.sync(() => log.info("unsubscribing", { type: def.type }))))
       }
-      for (const sub of [...wildcard]) {
-        sub(event)
+
+      function subscribeAll(): Stream.Stream<Payload> {
+        log.info("subscribing", { type: "*" })
+        return Stream.fromPubSub(wildcardPubSub).pipe(
+          Stream.ensuring(Effect.sync(() => log.info("unsubscribing", { type: "*" }))),
+        )
       }
-    },
+
+      // Shut down all PubSubs when the layer is torn down.
+      // This causes Stream.fromPubSub consumers to end, triggering
+      // their ensuring/finalizers.
+      yield* Effect.addFinalizer(() =>
+        Effect.gen(function* () {
+          log.info("shutting down PubSubs")
+          yield* PubSub.shutdown(wildcardPubSub)
+          for (const ps of pubsubs.values()) {
+            yield* PubSub.shutdown(ps)
+          }
+        }),
+      )
+
+      return Service.of({ publish, subscribe, subscribeAll })
+    }),
   )
 
-  export async function publish<Definition extends BusEvent.Definition>(
-    def: Definition,
-    properties: z.output<Definition["properties"]>,
-  ) {
-    const payload = {
-      type: def.type,
-      properties,
-    }
-    log.info("publishing", {
-      type: def.type,
-    })
-    const pending = []
-    for (const key of [def.type, "*"]) {
-      const match = [...(state().subscriptions.get(key) ?? [])]
-      for (const sub of match) {
-        pending.push(sub(payload))
-      }
-    }
-    GlobalBus.emit("event", {
-      directory: Instance.directory,
-      payload,
-    })
-    return Promise.all(pending)
+  // ---------------------------------------------------------------------------
+  // Legacy adapters — plain function API wrapping the Effect service
+  // ---------------------------------------------------------------------------
+
+  function runStream(stream: (svc: Interface) => Stream.Stream<Payload>, callback: (event: any) => void) {
+    return runCallbackInstance(
+      Service.use((svc) => stream(svc).pipe(Stream.runForEach((msg) => Effect.sync(() => callback(msg))))),
+    )
   }
 
-  export function subscribe<Definition extends BusEvent.Definition>(
-    def: Definition,
-    callback: (event: { type: Definition["type"]; properties: z.infer<Definition["properties"]> }) => void,
-  ) {
-    return raw(def.type, callback)
+  export function publish<D extends BusEvent.Definition>(def: D, properties: z.output<D["properties"]>) {
+    return runPromiseInstance(Service.use((svc) => svc.publish(def, properties)))
   }
 
-  export function once<Definition extends BusEvent.Definition>(
-    def: Definition,
-    callback: (event: {
-      type: Definition["type"]
-      properties: z.infer<Definition["properties"]>
-    }) => "done" | undefined,
-  ) {
-    const unsub = subscribe(def, (event) => {
-      if (callback(event)) unsub()
-    })
+  export function subscribe<D extends BusEvent.Definition>(def: D, callback: (event: Payload<D>) => void) {
+    return runStream((svc) => svc.subscribe(def), callback)
   }
 
   export function subscribeAll(callback: (event: any) => void) {
-    return raw("*", callback)
-  }
+    const directory = Instance.directory
 
-  function raw(type: string, callback: (event: any) => void) {
-    log.info("subscribing", { type })
-    const subscriptions = state().subscriptions
-    let match = subscriptions.get(type) ?? []
-    match.push(callback)
-    subscriptions.set(type, match)
+    // InstanceDisposed is delivered via GlobalBus because the legacy
+    // adapter's fiber starts asynchronously and may not be running when
+    // disposal happens. In the Effect-native path, forkScoped + scope
+    // closure handles this correctly. This bridge can be removed once
+    // upstream PubSub.shutdown properly wakes suspended subscribers:
+    // https://github.com/Effect-TS/effect-smol/pull/1800
+    const onDispose = (evt: { directory?: string; payload: any }) => {
+      if (evt.payload.type !== InstanceDisposed.type) return
+      if (evt.directory !== directory) return
+      callback(evt.payload)
+      GlobalBus.off("event", onDispose)
+    }
+    GlobalBus.on("event", onDispose)
 
+    const interrupt = runStream((svc) => svc.subscribeAll(), callback)
     return () => {
-      log.info("unsubscribing", { type })
-      const match = subscriptions.get(type)
-      if (!match) return
-      const index = match.indexOf(callback)
-      if (index === -1) return
-      match.splice(index, 1)
+      GlobalBus.off("event", onDispose)
+      interrupt()
     }
   }
 }

packages/opencode/src/cli/cmd/account.ts

@@ -2,7 +2,7 @@ import { cmd } from "./cmd"
 import { Duration, Effect, Match, Option } from "effect"
 import { UI } from "../ui"
 import { runtime } from "@/effect/runtime"
-import { AccountID, AccountEffect, OrgID, PollExpired, type PollResult } from "@/account/effect"
+import { AccountID, Account, OrgID, PollExpired, type PollResult } from "@/account/effect"
 import { type AccountError } from "@/account/schema"
 import * as Prompt from "../effect/prompt"
 import open from "open"
@@ -17,7 +17,7 @@ const isActiveOrgChoice = (
 ) => Option.isSome(active) && active.value.id === choice.accountID && active.value.active_org_id === choice.orgID
 
 const loginEffect = Effect.fn("login")(function* (url: string) {
-  const service = yield* AccountEffect.Service
+  const service = yield* Account.Service
 
   yield* Prompt.intro("Log in")
   const login = yield* service.login(url)
@@ -58,7 +58,7 @@ const loginEffect = Effect.fn("login")(function* (url: string) {
 })
 
 const logoutEffect = Effect.fn("logout")(function* (email?: string) {
-  const service = yield* AccountEffect.Service
+  const service = yield* Account.Service
   const accounts = yield* service.list()
   if (accounts.length === 0) return yield* println("Not logged in")
 
@@ -98,7 +98,7 @@ interface OrgChoice {
 }
 
 const switchEffect = Effect.fn("switch")(function* () {
-  const service = yield* AccountEffect.Service
+  const service = yield* Account.Service
 
   const groups = yield* service.orgsByAccount()
   if (groups.length === 0) return yield* println("Not logged in")
@@ -129,7 +129,7 @@ const switchEffect = Effect.fn("switch")(function* () {
 })
 
 const orgsEffect = Effect.fn("orgs")(function* () {
-  const service = yield* AccountEffect.Service
+  const service = yield* Account.Service
 
   const groups = yield* service.orgsByAccount()
   if (groups.length === 0) return yield* println("No accounts found")

packages/opencode/src/cli/cmd/acp.ts

@@ -23,7 +23,7 @@ export const AcpCommand = cmd({
     process.env.OPENCODE_CLIENT = "acp"
     await bootstrap(process.cwd(), async () => {
       const opts = await resolveNetworkOptions(args)
-      const server = Server.listen(opts)
+      const server = await Server.listen(opts)
 
       const sdk = createOpencodeClient({
         baseUrl: `http://${server.hostname}:${server.port}`,

packages/opencode/src/cli/cmd/run.ts

@@ -370,6 +370,11 @@ export const RunCommand = cmd({
         action: "deny",
         pattern: "*",
       },
+      {
+        permission: "edit",
+        action: "allow",
+        pattern: "*",
+      },
     ]
 
     function title() {

packages/opencode/src/cli/cmd/serve.ts

@@ -15,7 +15,7 @@ export const ServeCommand = cmd({
       console.log("Warning: OPENCODE_SERVER_PASSWORD is not set; server is unsecured.")
     }
     const opts = await resolveNetworkOptions(args)
-    const server = Server.listen(opts)
+    const server = await Server.listen(opts)
     console.log(`opencode server listening on http://${server.hostname}:${server.port}`)
 
     await new Promise(() => {})

packages/opencode/src/cli/cmd/tui/app.tsx

@@ -480,6 +480,7 @@ function App() {
     {
       title: "Toggle MCPs",
       value: "mcp.list",
+      search: "toggle mcps",
       category: "Agent",
       slash: {
         name: "mcps",
@@ -555,8 +556,9 @@ function App() {
       category: "System",
     },
     {
-      title: "Toggle appearance",
+      title: mode() === "dark" ? "Light mode" : "Dark mode",
       value: "theme.switch_mode",
+      search: "toggle appearance",
       onSelect: (dialog) => {
         setMode(mode() === "dark" ? "light" : "dark")
         dialog.clear()
@@ -595,6 +597,7 @@ function App() {
     },
     {
       title: "Toggle debug panel",
+      search: "toggle debug",
       category: "System",
       value: "app.debug",
       onSelect: (dialog) => {
@@ -604,6 +607,7 @@ function App() {
     },
     {
       title: "Toggle console",
+      search: "toggle console",
       category: "System",
       value: "app.console",
       onSelect: (dialog) => {
@@ -644,6 +648,7 @@ function App() {
     {
       title: terminalTitleEnabled() ? "Disable terminal title" : "Enable terminal title",
       value: "terminal.title.toggle",
+      search: "toggle terminal title",
       keybind: "terminal_title_toggle",
       category: "System",
       onSelect: (dialog) => {
@@ -659,6 +664,7 @@ function App() {
     {
       title: kv.get("animations_enabled", true) ? "Disable animations" : "Enable animations",
       value: "app.toggle.animations",
+      search: "toggle animations",
       category: "System",
       onSelect: (dialog) => {
         kv.set("animations_enabled", !kv.get("animations_enabled", true))
@@ -668,6 +674,7 @@ function App() {
     {
       title: kv.get("diff_wrap_mode", "word") === "word" ? "Disable diff wrapping" : "Enable diff wrapping",
       value: "app.toggle.diffwrap",
+      search: "toggle diff wrapping",
       category: "System",
       onSelect: (dialog) => {
         const current = kv.get("diff_wrap_mode", "word")

packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx

@@ -1,4 +1,4 @@
-import { BoxRenderable, TextareaRenderable, MouseEvent, PasteEvent, t, dim, fg } from "@opentui/core"
+import { BoxRenderable, TextareaRenderable, MouseEvent, PasteEvent, decodePasteBytes, t, dim, fg } from "@opentui/core"
 import { createEffect, createMemo, type JSX, onMount, createSignal, onCleanup, on, Show, Switch, Match } from "solid-js"
 import "opentui-spinner/solid"
 import path from "path"
@@ -79,6 +79,7 @@ export function Prompt(props: PromptProps) {
   const renderer = useRenderer()
   const { theme, syntax } = useTheme()
   const kv = useKV()
+  const [autoaccept, setAutoaccept] = kv.signal<"none" | "edit">("permission_auto_accept", "edit")
 
   function promptModelWarning() {
     toast.show({
@@ -172,6 +173,17 @@ export function Prompt(props: PromptProps) {
 
   command.register(() => {
     return [
+      {
+        title: autoaccept() === "none" ? "Enable autoedit" : "Disable autoedit",
+        value: "permission.auto_accept.toggle",
+        search: "toggle permissions",
+        keybind: "permission_auto_accept_toggle",
+        category: "Agent",
+        onSelect: (dialog) => {
+          setAutoaccept(() => (autoaccept() === "none" ? "edit" : "none"))
+          dialog.clear()
+        },
+      },
       {
         title: "Clear prompt",
         value: "prompt.clear",
@@ -934,7 +946,7 @@ export function Prompt(props: PromptProps) {
                 // Normalize line endings at the boundary
                 // Windows ConPTY/Terminal often sends CR-only newlines in bracketed paste
                 // Replace CRLF first, then any remaining CR
-                const normalizedText = event.text.replace(/\r\n/g, "\n").replace(/\r/g, "\n")
+                const normalizedText = decodePasteBytes(event.bytes).replace(/\r\n/g, "\n").replace(/\r/g, "\n")
                 const pastedContent = normalizedText.trim()
                 if (!pastedContent) {
                   command.trigger("prompt.paste")
@@ -1010,23 +1022,30 @@ export function Prompt(props: PromptProps) {
               cursorColor={theme.text}
               syntaxStyle={syntax()}
             />
-            <box flexDirection="row" flexShrink={0} paddingTop={1} gap={1}>
-              <text fg={highlight()}>
-                {store.mode === "shell" ? "Shell" : Locale.titlecase(local.agent.current().name)}{" "}
-              </text>
-              <Show when={store.mode === "normal"}>
-                <box flexDirection="row" gap={1}>
-                  <text flexShrink={0} fg={keybind.leader ? theme.textMuted : theme.text}>
-                    {local.model.parsed().model}
-                  </text>
-                  <text fg={theme.textMuted}>{local.model.parsed().provider}</text>
-                  <Show when={showVariant()}>
-                    <text fg={theme.textMuted}>·</text>
-                    <text>
-                      <span style={{ fg: theme.warning, bold: true }}>{local.model.variant.current()}</span>
+            <box flexDirection="row" flexShrink={0} paddingTop={1} gap={1} justifyContent="space-between">
+              <box flexDirection="row" gap={1}>
+                <text fg={highlight()}>
+                  {store.mode === "shell" ? "Shell" : Locale.titlecase(local.agent.current().name)}{" "}
+                </text>
+                <Show when={store.mode === "normal"}>
+                  <box flexDirection="row" gap={1}>
+                    <text flexShrink={0} fg={keybind.leader ? theme.textMuted : theme.text}>
+                      {local.model.parsed().model}
                     </text>
-                  </Show>
-                </box>
+                    <text fg={theme.textMuted}>{local.model.parsed().provider}</text>
+                    <Show when={showVariant()}>
+                      <text fg={theme.textMuted}>·</text>
+                      <text>
+                        <span style={{ fg: theme.warning, bold: true }}>{local.model.variant.current()}</span>
+                      </text>
+                    </Show>
+                  </box>
+                </Show>
+              </box>
+              <Show when={autoaccept() === "edit"}>
+                <text>
+                  <span style={{ fg: theme.warning }}>autoedit</span>
+                </text>
               </Show>
             </box>
           </box>

packages/opencode/src/cli/cmd/tui/context/sync.tsx

@@ -25,6 +25,7 @@ import { createSimpleContext } from "./helper"
 import type { Snapshot } from "@/snapshot"
 import { useExit } from "./exit"
 import { useArgs } from "./args"
+import { useKV } from "./kv"
 import { batch, onMount } from "solid-js"
 import { Log } from "@/util/log"
 import type { Path } from "@opencode-ai/sdk"
@@ -106,6 +107,8 @@ export const { use: useSync, provider: SyncProvider } = createSimpleContext({
     })
 
     const sdk = useSDK()
+    const kv = useKV()
+    const [autoaccept] = kv.signal<"none" | "edit">("permission_auto_accept", "edit")
 
     async function syncWorkspaces() {
       const result = await sdk.client.experimental.workspace.list().catch(() => undefined)
@@ -136,6 +139,13 @@ export const { use: useSync, provider: SyncProvider } = createSimpleContext({
 
         case "permission.asked": {
           const request = event.properties
+          if (autoaccept() === "edit" && request.permission === "edit") {
+            sdk.client.permission.reply({
+              reply: "once",
+              requestID: request.id,
+            })
+            break
+          }
           const requests = store.permission[request.sessionID]
           if (!requests) {
             setStore("permission", request.sessionID, [request])
@@ -451,6 +461,7 @@ export const { use: useSync, provider: SyncProvider } = createSimpleContext({
       get ready() {
         return store.status !== "loading"
       },
+
       session: {
         get(sessionID: string) {
           const match = Binary.search(store.session, sessionID, (s) => s.id)

packages/opencode/src/cli/cmd/tui/routes/home.tsx

@@ -47,6 +47,7 @@ export function Home() {
     {
       title: tipsHidden() ? "Show tips" : "Hide tips",
       value: "tips.toggle",
+      search: "toggle tips",
       keybind: "tips_toggle",
       category: "System",
       onSelect: (dialog) => {

packages/opencode/src/cli/cmd/tui/routes/session/index.tsx

@@ -568,6 +568,7 @@ export function Session() {
     {
       title: sidebarVisible() ? "Hide sidebar" : "Show sidebar",
       value: "session.sidebar.toggle",
+      search: "toggle sidebar",
       keybind: "sidebar_toggle",
       category: "Session",
       onSelect: (dialog) => {
@@ -582,6 +583,7 @@ export function Session() {
     {
       title: conceal() ? "Disable code concealment" : "Enable code concealment",
       value: "session.toggle.conceal",
+      search: "toggle code concealment",
       keybind: "messages_toggle_conceal" as any,
       category: "Session",
       onSelect: (dialog) => {
@@ -592,6 +594,7 @@ export function Session() {
     {
       title: showTimestamps() ? "Hide timestamps" : "Show timestamps",
       value: "session.toggle.timestamps",
+      search: "toggle timestamps",
       category: "Session",
       slash: {
         name: "timestamps",
@@ -605,6 +608,7 @@ export function Session() {
     {
       title: showThinking() ? "Hide thinking" : "Show thinking",
       value: "session.toggle.thinking",
+      search: "toggle thinking",
       keybind: "display_thinking",
       category: "Session",
       slash: {
@@ -619,6 +623,7 @@ export function Session() {
     {
       title: showDetails() ? "Hide tool details" : "Show tool details",
       value: "session.toggle.actions",
+      search: "toggle tool details",
       keybind: "tool_details",
       category: "Session",
       onSelect: (dialog) => {
@@ -627,8 +632,9 @@ export function Session() {
       },
     },
     {
-      title: "Toggle session scrollbar",
+      title: showScrollbar() ? "Hide session scrollbar" : "Show session scrollbar",
       value: "session.toggle.scrollbar",
+      search: "toggle session scrollbar",
       keybind: "scrollbar_toggle",
       category: "Session",
       onSelect: (dialog) => {

packages/opencode/src/cli/cmd/tui/ui/dialog-select.tsx

@@ -34,6 +34,7 @@ export interface DialogSelectOption<T = any> {
   title: string
   value: T
   description?: string
+  search?: string
   footer?: JSX.Element | string
   category?: string
   disabled?: boolean
@@ -85,8 +86,8 @@ export function DialogSelect<T>(props: DialogSelectProps<T>) {
     // users typically search by the item name, and not its category.
     const result = fuzzysort
       .go(needle, options, {
-        keys: ["title", "category"],
-        scoreFn: (r) => r[0].score * 2 + r[1].score,
+        keys: ["title", "category", "search"],
+        scoreFn: (r) => r[0].score * 2 + r[1].score + r[2].score,
       })
       .map((x) => x.obj)
 

packages/opencode/src/cli/cmd/upgrade.ts

@@ -58,10 +58,10 @@ export const UpgradeCommand = {
       spinner.stop("Upgrade failed", 1)
       if (err instanceof Installation.UpgradeFailedError) {
         // necessary because choco only allows install/upgrade in elevated terminals
-        if (method === "choco" && err.data.stderr.includes("not running from an elevated command shell")) {
+        if (method === "choco" && err.stderr.includes("not running from an elevated command shell")) {
           prompts.log.error("Please run the terminal as Administrator and try again")
         } else {
-          prompts.log.error(err.data.stderr)
+          prompts.log.error(err.stderr)
         }
       } else if (err instanceof Error) prompts.log.error(err.message)
       prompts.outro("Done")

packages/opencode/src/cli/cmd/web.ts

@@ -37,7 +37,7 @@ export const WebCommand = cmd({
       UI.println(UI.Style.TEXT_WARNING_BOLD + "!  " + "OPENCODE_SERVER_PASSWORD is not set; server is unsecured.")
     }
     const opts = await resolveNetworkOptions(args)
-    const server = Server.listen(opts)
+    const server = await Server.listen(opts)
     UI.empty()
     UI.println(UI.logo("  "))
     UI.empty()

packages/opencode/src/config/config.ts

@@ -1,6 +1,6 @@
 import { Log } from "../util/log"
 import path from "path"
-import { pathToFileURL, fileURLToPath } from "url"
+import { pathToFileURL } from "url"
 import { createRequire } from "module"
 import os from "os"
 import z from "zod"
@@ -22,7 +22,6 @@ import {
 } from "jsonc-parser"
 import { Instance } from "../project/instance"
 import { LSPServer } from "../lsp/server"
-import { BunProc } from "@/bun"
 import { Installation } from "@/installation"
 import { ConfigMarkdown } from "./markdown"
 import { constants, existsSync } from "fs"
@@ -30,14 +29,11 @@ import { Bus } from "@/bus"
 import { GlobalBus } from "@/bus/global"
 import { Event } from "../server/event"
 import { Glob } from "../util/glob"
-import { PackageRegistry } from "@/bun/registry"
-import { proxied } from "@/util/proxied"
 import { iife } from "@/util/iife"
 import { Account } from "@/account"
 import { ConfigPaths } from "./paths"
 import { Filesystem } from "@/util/filesystem"
-import { Process } from "@/util/process"
-import { Lock } from "@/util/lock"
+import { Npm } from "@/npm"
 
 export namespace Config {
   const ModelId = z.string().meta({ $ref: "https://models.dev/model-schema.json#/$defs/Model" })
@@ -154,8 +150,7 @@ export namespace Config {
 
       deps.push(
         iife(async () => {
-          const shouldInstall = await needsInstall(dir)
-          if (shouldInstall) await installDependencies(dir)
+          await installDependencies(dir)
         }),
       )
 
@@ -271,6 +266,10 @@ export namespace Config {
   }
 
   export async function installDependencies(dir: string) {
+    if (!(await isWritable(dir))) {
+      log.info("config dir is not writable, skipping dependency install", { dir })
+      return
+    }
     const pkg = path.join(dir, "package.json")
     const targetVersion = Installation.isLocal() ? "*" : Installation.VERSION
 
@@ -284,43 +283,15 @@ export namespace Config {
     await Filesystem.writeJson(pkg, json)
 
     const gitignore = path.join(dir, ".gitignore")
-    const hasGitIgnore = await Filesystem.exists(gitignore)
-    if (!hasGitIgnore)
-      await Filesystem.write(gitignore, ["node_modules", "package.json", "bun.lock", ".gitignore"].join("\n"))
+    if (!(await Filesystem.exists(gitignore)))
+      await Filesystem.write(
+        gitignore,
+        ["node_modules", "plans", "package.json", "bun.lock", ".gitignore", "package-lock.json"].join("\n"),
+      )
 
     // Install any additional dependencies defined in the package.json
     // This allows local plugins and custom tools to use external packages
-    using _ = await Lock.write("bun-install")
-    await BunProc.run(
-      [
-        "install",
-        // TODO: get rid of this case (see: https://github.com/oven-sh/bun/issues/19936)
-        ...(proxied() || process.env.CI ? ["--no-cache"] : []),
-      ],
-      { cwd: dir },
-    ).catch((err) => {
-      if (err instanceof Process.RunFailedError) {
-        const detail = {
-          dir,
-          cmd: err.cmd,
-          code: err.code,
-          stdout: err.stdout.toString(),
-          stderr: err.stderr.toString(),
-        }
-        if (Flag.OPENCODE_STRICT_CONFIG_DEPS) {
-          log.error("failed to install dependencies", detail)
-          throw err
-        }
-        log.warn("failed to install dependencies", detail)
-        return
-      }
-
-      if (Flag.OPENCODE_STRICT_CONFIG_DEPS) {
-        log.error("failed to install dependencies", { dir, error: err })
-        throw err
-      }
-      log.warn("failed to install dependencies", { dir, error: err })
-    })
+    await Npm.install(dir)
   }
 
   async function isWritable(dir: string) {
@@ -332,41 +303,6 @@ export namespace Config {
     }
   }
 
-  export async function needsInstall(dir: string) {
-    // Some config dirs may be read-only.
-    // Installing deps there will fail; skip installation in that case.
-    const writable = await isWritable(dir)
-    if (!writable) {
-      log.debug("config dir is not writable, skipping dependency install", { dir })
-      return false
-    }
-
-    const nodeModules = path.join(dir, "node_modules")
-    if (!existsSync(nodeModules)) return true
-
-    const pkg = path.join(dir, "package.json")
-    const pkgExists = await Filesystem.exists(pkg)
-    if (!pkgExists) return true
-
-    const parsed = await Filesystem.readJson<{ dependencies?: Record<string, string> }>(pkg).catch(() => null)
-    const dependencies = parsed?.dependencies ?? {}
-    const depVersion = dependencies["@opencode-ai/plugin"]
-    if (!depVersion) return true
-
-    const targetVersion = Installation.isLocal() ? "latest" : Installation.VERSION
-    if (targetVersion === "latest") {
-      const isOutdated = await PackageRegistry.isOutdated("@opencode-ai/plugin", depVersion, dir)
-      if (!isOutdated) return false
-      log.info("Cached version is outdated, proceeding with install", {
-        pkg: "@opencode-ai/plugin",
-        cachedVersion: depVersion,
-      })
-      return true
-    }
-    if (depVersion === targetVersion) return false
-    return true
-  }
-
   function rel(item: string, patterns: string[]) {
     const normalizedItem = item.replaceAll("\\", "/")
     for (const pattern of patterns) {
@@ -858,7 +794,12 @@ export namespace Config {
       command_list: z.string().optional().default("ctrl+p").describe("List available commands"),
       agent_list: z.string().optional().default("<leader>a").describe("List agents"),
       agent_cycle: z.string().optional().default("tab").describe("Next agent"),
-      agent_cycle_reverse: z.string().optional().default("shift+tab").describe("Previous agent"),
+      agent_cycle_reverse: z.string().optional().default("none").describe("Previous agent"),
+      permission_auto_accept_toggle: z
+        .string()
+        .optional()
+        .default("shift+tab")
+        .describe("Toggle auto-accept mode for permissions"),
       variant_cycle: z.string().optional().default("ctrl+t").describe("Cycle model variants"),
       input_clear: z.string().optional().default("ctrl+c").describe("Clear input field"),
       input_paste: z.string().optional().default("ctrl+v").describe("Paste from clipboard"),

packages/opencode/src/control-plane/workspace-server/server.ts

@@ -1,3 +1,4 @@
+import { createAdaptorServer } from "@hono/node-server"
 import { Hono } from "hono"
 import { Instance } from "../../project/instance"
 import { InstanceBootstrap } from "../../project/bootstrap"
@@ -56,10 +57,24 @@ export namespace WorkspaceServer {
   }
 
   export function Listen(opts: { hostname: string; port: number }) {
-    return Bun.serve({
-      hostname: opts.hostname,
-      port: opts.port,
+    const server = createAdaptorServer({
       fetch: App().fetch,
     })
+    server.listen(opts.port, opts.hostname)
+    return {
+      hostname: opts.hostname,
+      port: opts.port,
+      stop() {
+        return new Promise<void>((resolve, reject) => {
+          server.close((err) => {
+            if (err) {
+              reject(err)
+              return
+            }
+            resolve()
+          })
+        })
+      },
+    }
   }
 }

packages/opencode/src/effect/instances.ts

@@ -1,4 +1,5 @@
-import { Effect, Layer, LayerMap, ServiceMap } from "effect"
+import { Effect, Exit, Fiber, Layer, LayerMap, MutableHashMap, Scope, ServiceMap } from "effect"
+import { Bus } from "@/bus"
 import { File } from "@/file"
 import { FileTime } from "@/file/time"
 import { FileWatcher } from "@/file/watcher"
@@ -10,13 +11,13 @@ import { ProviderAuth } from "@/provider/auth"
 import { Question } from "@/question"
 import { Skill } from "@/skill/skill"
 import { Snapshot } from "@/snapshot"
-import { ToolRegistry } from "@/tool/registry"
 import { InstanceContext } from "./instance-context"
 import { registerDisposer } from "./instance-registry"
 
 export { InstanceContext } from "./instance-context"
 
 export type InstanceServices =
+  | Bus.Service
   | Question.Service
   | PermissionNext.Service
   | ProviderAuth.Service
@@ -27,7 +28,6 @@ export type InstanceServices =
   | File.Service
   | Skill.Service
   | Snapshot.Service
-  | ToolRegistry.Service
 
 // NOTE: LayerMap only passes the key (directory string) to lookup, but we need
 // the full instance context (directory, worktree, project). We read from the
@@ -38,6 +38,7 @@ export type InstanceServices =
 function lookup(_key: string) {
   const ctx = Layer.sync(InstanceContext, () => InstanceContext.of(Instance.current))
   return Layer.mergeAll(
+    Layer.fresh(Bus.layer),
     Layer.fresh(Question.layer),
     Layer.fresh(PermissionNext.layer),
     Layer.fresh(ProviderAuth.defaultLayer),
@@ -48,7 +49,6 @@ function lookup(_key: string) {
     Layer.fresh(File.layer),
     Layer.fresh(Skill.defaultLayer),
     Layer.fresh(Snapshot.defaultLayer),
-    Layer.fresh(ToolRegistry.layer),
   ).pipe(Layer.provide(ctx))
 }
 
@@ -59,7 +59,23 @@ export class Instances extends ServiceMap.Service<Instances, LayerMap.LayerMap<s
     Instances,
     Effect.gen(function* () {
       const layerMap = yield* LayerMap.make(lookup, { idleTimeToLive: Infinity })
-      const unregister = registerDisposer((directory) => Effect.runPromise(layerMap.invalidate(directory)))
+
+      // Force-invalidate closes the RcMap entry scope even when refCount > 0.
+      // Standard RcMap.invalidate bails in that case, leaving long-running
+      // consumer fibers orphaned. This is an upstream issue:
+      // https://github.com/Effect-TS/effect-smol/pull/1799
+      const forceInvalidate = (directory: string) =>
+        Effect.gen(function* () {
+          const rcMap = layerMap.rcMap
+          if (rcMap.state._tag === "Closed") return
+          const entry = MutableHashMap.get(rcMap.state.map, directory)
+          if (entry._tag === "None") return
+          MutableHashMap.remove(rcMap.state.map, directory)
+          if (entry.value.fiber) yield* Fiber.interrupt(entry.value.fiber)
+          yield* Scope.close(entry.value.scope, Exit.void)
+        }).pipe(Effect.uninterruptible, Effect.ignore)
+
+      const unregister = registerDisposer((directory) => Effect.runPromise(forceInvalidate(directory)))
       yield* Effect.addFinalizer(() => Effect.sync(unregister))
       return Instances.of(layerMap)
     }),

packages/opencode/src/effect/runtime.ts

@@ -1,23 +1,31 @@
 import { Effect, Layer, ManagedRuntime } from "effect"
-import { AccountEffect } from "@/account/effect"
-import { AuthEffect } from "@/auth/effect"
+import { Account } from "@/account/effect"
+import { Auth } from "@/auth/effect"
 import { Instances } from "@/effect/instances"
 import type { InstanceServices } from "@/effect/instances"
-import { TruncateEffect } from "@/tool/truncate-effect"
+import { Installation } from "@/installation"
+import { Truncate } from "@/tool/truncate-effect"
 import { Instance } from "@/project/instance"
 
 export const runtime = ManagedRuntime.make(
   Layer.mergeAll(
-    AccountEffect.defaultLayer, //
-    TruncateEffect.defaultLayer,
+    Account.defaultLayer, //
+    Installation.defaultLayer,
+    Truncate.defaultLayer,
     Instances.layer,
-  ).pipe(Layer.provideMerge(AuthEffect.layer)),
+  ).pipe(Layer.provideMerge(Auth.layer)),
 )
 
 export function runPromiseInstance<A, E>(effect: Effect.Effect<A, E, InstanceServices>) {
   return runtime.runPromise(effect.pipe(Effect.provide(Instances.get(Instance.directory))))
 }
 
+export function runCallbackInstance<A, E>(
+  effect: Effect.Effect<A, E, InstanceServices>,
+): (interruptor?: number) => void {
+  return runtime.runCallback(effect.pipe(Effect.provide(Instances.get(Instance.directory))))
+}
+
 export function disposeRuntime() {
   return runtime.dispose()
 }

packages/opencode/src/format/formatter.ts

@@ -1,43 +1,40 @@
 import { text } from "node:stream/consumers"
-import { BunProc } from "../bun"
 import { Instance } from "../project/instance"
 import { Filesystem } from "../util/filesystem"
 import { Process } from "../util/process"
 import { which } from "../util/which"
 import { Flag } from "@/flag/flag"
+import { Npm } from "@/npm"
 
 export interface Info {
   name: string
-  command: string[]
   environment?: Record<string, string>
   extensions: string[]
-  enabled(): Promise<boolean>
+  enabled(): Promise<string[] | false>
 }
 
 export const gofmt: Info = {
   name: "gofmt",
-  command: ["gofmt", "-w", "$FILE"],
   extensions: [".go"],
   async enabled() {
-    return which("gofmt") !== null
+    const p = which("gofmt")
+    if (p === null) return false
+    return [p, "-w", "$FILE"]
   },
 }
 
 export const mix: Info = {
   name: "mix",
-  command: ["mix", "format", "$FILE"],
   extensions: [".ex", ".exs", ".eex", ".heex", ".leex", ".neex", ".sface"],
   async enabled() {
-    return which("mix") !== null
+    const p = which("mix")
+    if (p === null) return false
+    return [p, "format", "$FILE"]
   },
 }
 
 export const prettier: Info = {
   name: "prettier",
-  command: [BunProc.which(), "x", "prettier", "--write", "$FILE"],
-  environment: {
-    BUN_BE_BUN: "1",
-  },
   extensions: [
     ".js",
     ".jsx",
@@ -73,8 +70,11 @@ export const prettier: Info = {
         dependencies?: Record<string, string>
         devDependencies?: Record<string, string>
       }>(item)
-      if (json.dependencies?.prettier) return true
-      if (json.devDependencies?.prettier) return true
+      if (json.dependencies?.prettier || json.devDependencies?.prettier) {
+        const bin = await Npm.which("prettier").catch(() => null)
+        if (!bin) return false
+        return [bin, "--write", "$FILE"]
+      }
     }
     return false
   },
@@ -82,10 +82,6 @@ export const prettier: Info = {
 
 export const oxfmt: Info = {
   name: "oxfmt",
-  command: [BunProc.which(), "x", "oxfmt", "$FILE"],
-  environment: {
-    BUN_BE_BUN: "1",
-  },
   extensions: [".js", ".jsx", ".mjs", ".cjs", ".ts", ".tsx", ".mts", ".cts"],
   async enabled() {
     if (!Flag.OPENCODE_EXPERIMENTAL_OXFMT) return false
@@ -95,8 +91,9 @@ export const oxfmt: Info = {
         dependencies?: Record<string, string>
         devDependencies?: Record<string, string>
       }>(item)
-      if (json.dependencies?.oxfmt) return true
-      if (json.devDependencies?.oxfmt) return true
+      if (json.dependencies?.oxfmt || json.devDependencies?.oxfmt) {
+        return [await Npm.which("oxfmt"), "$FILE"]
+      }
     }
     return false
   },
@@ -104,10 +101,6 @@ export const oxfmt: Info = {
 
 export const biome: Info = {
   name: "biome",
-  command: [BunProc.which(), "x", "@biomejs/biome", "check", "--write", "$FILE"],
-  environment: {
-    BUN_BE_BUN: "1",
-  },
   extensions: [
     ".js",
     ".jsx",
@@ -141,7 +134,7 @@ export const biome: Info = {
     for (const config of configs) {
       const found = await Filesystem.findUp(config, Instance.directory, Instance.worktree)
       if (found.length > 0) {
-        return true
+        return [await Npm.which("@biomejs/biome"), "check", "--write", "$FILE"]
       }
     }
     return false
@@ -150,47 +143,49 @@ export const biome: Info = {
 
 export const zig: Info = {
   name: "zig",
-  command: ["zig", "fmt", "$FILE"],
   extensions: [".zig", ".zon"],
   async enabled() {
-    return which("zig") !== null
+    const p = which("zig")
+    if (p === null) return false
+    return [p, "fmt", "$FILE"]
   },
 }
 
 export const clang: Info = {
   name: "clang-format",
-  command: ["clang-format", "-i", "$FILE"],
   extensions: [".c", ".cc", ".cpp", ".cxx", ".c++", ".h", ".hh", ".hpp", ".hxx", ".h++", ".ino", ".C", ".H"],
   async enabled() {
     const items = await Filesystem.findUp(".clang-format", Instance.directory, Instance.worktree)
-    return items.length > 0
+    if (items.length === 0) return false
+    return ["clang-format", "-i", "$FILE"]
   },
 }
 
 export const ktlint: Info = {
   name: "ktlint",
-  command: ["ktlint", "-F", "$FILE"],
   extensions: [".kt", ".kts"],
   async enabled() {
-    return which("ktlint") !== null
+    const p = which("ktlint")
+    if (p === null) return false
+    return [p, "-F", "$FILE"]
   },
 }
 
 export const ruff: Info = {
   name: "ruff",
-  command: ["ruff", "format", "$FILE"],
   extensions: [".py", ".pyi"],
   async enabled() {
-    if (!which("ruff")) return false
+    const p = which("ruff")
+    if (p === null) return false
     const configs = ["pyproject.toml", "ruff.toml", ".ruff.toml"]
     for (const config of configs) {
       const found = await Filesystem.findUp(config, Instance.directory, Instance.worktree)
       if (found.length > 0) {
         if (config === "pyproject.toml") {
           const content = await Filesystem.readText(found[0])
-          if (content.includes("[tool.ruff]")) return true
+          if (content.includes("[tool.ruff]")) return [p, "format", "$FILE"]
         } else {
-          return true
+          return [p, "format", "$FILE"]
         }
       }
     }
@@ -199,7 +194,7 @@ export const ruff: Info = {
       const found = await Filesystem.findUp(dep, Instance.directory, Instance.worktree)
       if (found.length > 0) {
         const content = await Filesystem.readText(found[0])
-        if (content.includes("ruff")) return true
+        if (content.includes("ruff")) return [p, "format", "$FILE"]
       }
     }
     return false
@@ -208,14 +203,13 @@ export const ruff: Info = {
 
 export const rlang: Info = {
   name: "air",
-  command: ["air", "format", "$FILE"],
   extensions: [".R"],
   async enabled() {
     const airPath = which("air")
     if (airPath == null) return false
 
     try {
-      const proc = Process.spawn(["air", "--help"], {
+      const proc = Process.spawn([airPath, "--help"], {
         stdout: "pipe",
         stderr: "pipe",
       })
@@ -227,7 +221,10 @@ export const rlang: Info = {
       const firstLine = output.split("\n")[0]
       const hasR = firstLine.includes("R language")
       const hasFormatter = firstLine.includes("formatter")
-      return hasR && hasFormatter
+      if (hasR && hasFormatter) {
+        return [airPath, "format", "$FILE"]
+      }
+      return false
     } catch (error) {
       return false
     }
@@ -236,14 +233,14 @@ export const rlang: Info = {
 
 export const uvformat: Info = {
   name: "uv",
-  command: ["uv", "format", "--", "$FILE"],
   extensions: [".py", ".pyi"],
   async enabled() {
     if (await ruff.enabled()) return false
-    if (which("uv") !== null) {
-      const proc = Process.spawn(["uv", "format", "--help"], { stderr: "pipe", stdout: "pipe" })
+    const uvPath = which("uv")
+    if (uvPath !== null) {
+      const proc = Process.spawn([uvPath, "format", "--help"], { stderr: "pipe", stdout: "pipe" })
       const code = await proc.exited
-      return code === 0
+      if (code === 0) return [uvPath, "format", "--", "$FILE"]
     }
     return false
   },
@@ -251,108 +248,118 @@ export const uvformat: Info = {
 
 export const rubocop: Info = {
   name: "rubocop",
-  command: ["rubocop", "--autocorrect", "$FILE"],
   extensions: [".rb", ".rake", ".gemspec", ".ru"],
   async enabled() {
-    return which("rubocop") !== null
+    const path = which("rubocop")
+    if (path === null) return false
+    return [path, "--autocorrect", "$FILE"]
   },
 }
 
 export const standardrb: Info = {
   name: "standardrb",
-  command: ["standardrb", "--fix", "$FILE"],
   extensions: [".rb", ".rake", ".gemspec", ".ru"],
   async enabled() {
-    return which("standardrb") !== null
+    const path = which("standardrb")
+    if (path === null) return false
+    return [path, "--fix", "$FILE"]
   },
 }
 
 export const htmlbeautifier: Info = {
   name: "htmlbeautifier",
-  command: ["htmlbeautifier", "$FILE"],
   extensions: [".erb", ".html.erb"],
   async enabled() {
-    return which("htmlbeautifier") !== null
+    const path = which("htmlbeautifier")
+    if (path === null) return false
+    return [path, "$FILE"]
   },
 }
 
 export const dart: Info = {
   name: "dart",
-  command: ["dart", "format", "$FILE"],
   extensions: [".dart"],
   async enabled() {
-    return which("dart") !== null
+    const path = which("dart")
+    if (path === null) return false
+    return [path, "format", "$FILE"]
   },
 }
 
 export const ocamlformat: Info = {
   name: "ocamlformat",
-  command: ["ocamlformat", "-i", "$FILE"],
   extensions: [".ml", ".mli"],
   async enabled() {
-    if (!which("ocamlformat")) return false
+    const path = which("ocamlformat")
+    if (!path) return false
     const items = await Filesystem.findUp(".ocamlformat", Instance.directory, Instance.worktree)
-    return items.length > 0
+    if (items.length === 0) return false
+    return [path, "-i", "$FILE"]
   },
 }
 
 export const terraform: Info = {
   name: "terraform",
-  command: ["terraform", "fmt", "$FILE"],
   extensions: [".tf", ".tfvars"],
   async enabled() {
-    return which("terraform") !== null
+    const path = which("terraform")
+    if (path === null) return false
+    return [path, "fmt", "$FILE"]
   },
 }
 
 export const latexindent: Info = {
   name: "latexindent",
-  command: ["latexindent", "-w", "-s", "$FILE"],
   extensions: [".tex"],
   async enabled() {
-    return which("latexindent") !== null
+    const path = which("latexindent")
+    if (path === null) return false
+    return [path, "-w", "-s", "$FILE"]
   },
 }
 
 export const gleam: Info = {
   name: "gleam",
-  command: ["gleam", "format", "$FILE"],
   extensions: [".gleam"],
   async enabled() {
-    return which("gleam") !== null
+    const path = which("gleam")
+    if (path === null) return false
+    return [path, "format", "$FILE"]
   },
 }
 
 export const shfmt: Info = {
   name: "shfmt",
-  command: ["shfmt", "-w", "$FILE"],
   extensions: [".sh", ".bash"],
   async enabled() {
-    return which("shfmt") !== null
+    const path = which("shfmt")
+    if (path === null) return false
+    return [path, "-w", "$FILE"]
   },
 }
 
 export const nixfmt: Info = {
   name: "nixfmt",
-  command: ["nixfmt", "$FILE"],
   extensions: [".nix"],
   async enabled() {
-    return which("nixfmt") !== null
+    const path = which("nixfmt")
+    if (path === null) return false
+    return [path, "$FILE"]
   },
 }
 
 export const rustfmt: Info = {
   name: "rustfmt",
-  command: ["rustfmt", "$FILE"],
   extensions: [".rs"],
   async enabled() {
-    return which("rustfmt") !== null
+    const path = which("rustfmt")
+    if (path === null) return false
+    return [path, "$FILE"]
   },
 }
 
 export const pint: Info = {
   name: "pint",
-  command: ["./vendor/bin/pint", "$FILE"],
   extensions: [".php"],
   async enabled() {
     const items = await Filesystem.findUp("composer.json", Instance.directory, Instance.worktree)
@@ -361,8 +368,9 @@ export const pint: Info = {
         require?: Record<string, string>
         "require-dev"?: Record<string, string>
       }>(item)
-      if (json.require?.["laravel/pint"]) return true
-      if (json["require-dev"]?.["laravel/pint"]) return true
+      if (json.require?.["laravel/pint"] || json["require-dev"]?.["laravel/pint"]) {
+        return ["./vendor/bin/pint", "$FILE"]
+      }
     }
     return false
   },
@@ -370,27 +378,30 @@ export const pint: Info = {
 
 export const ormolu: Info = {
   name: "ormolu",
-  command: ["ormolu", "-i", "$FILE"],
   extensions: [".hs"],
   async enabled() {
-    return which("ormolu") !== null
+    const path = which("ormolu")
+    if (path === null) return false
+    return [path, "-i", "$FILE"]
   },
 }
 
 export const cljfmt: Info = {
   name: "cljfmt",
-  command: ["cljfmt", "fix", "--quiet", "$FILE"],
   extensions: [".clj", ".cljs", ".cljc", ".edn"],
   async enabled() {
-    return which("cljfmt") !== null
+    const path = which("cljfmt")
+    if (path === null) return false
+    return [path, "fix", "--quiet", "$FILE"]
   },
 }
 
 export const dfmt: Info = {
   name: "dfmt",
-  command: ["dfmt", "-i", "$FILE"],
   extensions: [".d"],
   async enabled() {
-    return which("dfmt") !== null
+    const path = which("dfmt")
+    if (path === null) return false
+    return [path, "-i", "$FILE"]
   },
 }

packages/opencode/src/format/index.ts

@@ -4,9 +4,7 @@ import { InstanceContext } from "@/effect/instance-context"
 import path from "path"
 import { mergeDeep } from "remeda"
 import z from "zod"
-import { Bus } from "../bus"
 import { Config } from "../config/config"
-import { File } from "../file"
 import { Instance } from "../project/instance"
 import { Process } from "../util/process"
 import { Log } from "../util/log"
@@ -27,6 +25,7 @@ export namespace Format {
   export type Status = z.infer<typeof Status>
 
   export interface Interface {
+    readonly run: (filepath: string) => Effect.Effect<void>
     readonly status: () => Effect.Effect<Status[]>
   }
 
@@ -37,7 +36,7 @@ export namespace Format {
     Effect.gen(function* () {
       const instance = yield* InstanceContext
 
-      const enabled: Record<string, boolean> = {}
+      const enabled: Record<string, string[] | false> = {}
       const formatters: Record<string, Formatter.Info> = {}
 
       const cfg = yield* Effect.promise(() => Config.get())
@@ -62,7 +61,7 @@ export namespace Format {
           formatters[name] = {
             ...info,
             name,
-            enabled: async () => true,
+            enabled: async () => info.command,
           }
         }
       } else {
@@ -79,59 +78,64 @@ export namespace Format {
       }
 
       async function getFormatter(ext: string) {
-        const result = []
+        const result: Array<{
+          name: string
+          command: string[]
+          environment?: Record<string, string>
+        }> = []
         for (const item of Object.values(formatters)) {
           log.info("checking", { name: item.name, ext })
           if (!item.extensions.includes(ext)) continue
-          if (!(await isEnabled(item))) continue
+          const cmd = await isEnabled(item)
+          if (!cmd) continue
           log.info("enabled", { name: item.name, ext })
-          result.push(item)
+          result.push({
+            name: item.name,
+            command: cmd,
+            environment: item.environment,
+          })
         }
         return result
       }
 
-      yield* Effect.acquireRelease(
-        Effect.sync(() =>
-          Bus.subscribe(
-            File.Event.Edited,
-            Instance.bind(async (payload) => {
-              const file = payload.properties.file
-              log.info("formatting", { file })
-              const ext = path.extname(file)
+      const run = Effect.fn("Format.run")(function* (filepath: string) {
+        log.info("formatting", { file: filepath })
+        const ext = path.extname(filepath)
 
-              for (const item of await getFormatter(ext)) {
-                log.info("running", { command: item.command })
-                try {
-                  const proc = Process.spawn(
-                    item.command.map((x) => x.replace("$FILE", file)),
-                    {
-                      cwd: instance.directory,
-                      env: { ...process.env, ...item.environment },
-                      stdout: "ignore",
-                      stderr: "ignore",
-                    },
-                  )
-                  const exit = await proc.exited
-                  if (exit !== 0) {
-                    log.error("failed", {
-                      command: item.command,
-                      ...item.environment,
-                    })
-                  }
-                } catch (error) {
-                  log.error("failed to format file", {
-                    error,
-                    command: item.command,
-                    ...item.environment,
-                    file,
-                  })
-                }
+        for (const item of yield* Effect.promise(() => getFormatter(ext))) {
+          log.info("running", { command: item.command })
+          yield* Effect.tryPromise({
+            try: async () => {
+              const proc = Process.spawn(
+                item.command.map((x) => x.replace("$FILE", filepath)),
+                {
+                  cwd: instance.directory,
+                  env: { ...process.env, ...item.environment },
+                  stdout: "ignore",
+                  stderr: "ignore",
+                },
+              )
+              const exit = await proc.exited
+              if (exit !== 0) {
+                log.error("failed", {
+                  command: item.command,
+                  ...item.environment,
+                })
               }
-            }),
-          ),
-        ),
-        (unsubscribe) => Effect.sync(unsubscribe),
-      )
+            },
+            catch: (error) => {
+              log.error("failed to format file", {
+                error,
+                command: item.command,
+                ...item.environment,
+                file: filepath,
+              })
+              return error
+            },
+          }).pipe(Effect.ignore)
+        }
+      })
+
       log.info("init")
 
       const status = Effect.fn("Format.status")(function* () {
@@ -141,16 +145,20 @@ export namespace Format {
           result.push({
             name: formatter.name,
             extensions: formatter.extensions,
-            enabled: isOn,
+            enabled: !!isOn,
           })
         }
         return result
       })
 
-      return Service.of({ status })
+      return Service.of({ run, status })
     }),
   )
 
+  export async function run(filepath: string) {
+    return runPromiseInstance(Service.use((s) => s.run(filepath)))
+  }
+
   export async function status() {
     return runPromiseInstance(Service.use((s) => s.status()))
   }

packages/opencode/src/global/index.ts

@@ -18,7 +18,7 @@ export namespace Global {
       return process.env.OPENCODE_TEST_HOME || os.homedir()
     },
     data,
-    bin: path.join(data, "bin"),
+    bin: path.join(cache, "bin"),
     log: path.join(data, "log"),
     cache,
     config,

packages/opencode/src/installation/index.ts

@@ -1,12 +1,13 @@
-import { BusEvent } from "@/bus/bus-event"
+import { NodeChildProcessSpawner, NodeFileSystem, NodePath } from "@effect/platform-node"
+import { Effect, Layer, Schema, ServiceMap, Stream } from "effect"
+import { FetchHttpClient, HttpClient, HttpClientRequest, HttpClientResponse } from "effect/unstable/http"
+import { withTransientReadRetry } from "@/util/effect-http-client"
+import { ChildProcess, ChildProcessSpawner } from "effect/unstable/process"
 import path from "path"
 import z from "zod"
-import { NamedError } from "@opencode-ai/util/error"
-import { Log } from "../util/log"
-import { iife } from "@/util/iife"
+import { BusEvent } from "@/bus/bus-event"
 import { Flag } from "../flag/flag"
-import { Process } from "@/util/process"
-import { buffer } from "node:stream/consumers"
+import { Log } from "../util/log"
 
 declare global {
   const OPENCODE_VERSION: string
@@ -16,39 +17,7 @@ declare global {
 export namespace Installation {
   const log = Log.create({ service: "installation" })
 
-  async function text(cmd: string[], opts: { cwd?: string; env?: NodeJS.ProcessEnv } = {}) {
-    return Process.text(cmd, {
-      cwd: opts.cwd,
-      env: opts.env,
-      nothrow: true,
-    }).then((x) => x.text)
-  }
-
-  async function upgradeCurl(target: string) {
-    const body = await fetch("https://opencode.ai/install").then((res) => {
-      if (!res.ok) throw new Error(res.statusText)
-      return res.text()
-    })
-    const proc = Process.spawn(["bash"], {
-      stdin: "pipe",
-      stdout: "pipe",
-      stderr: "pipe",
-      env: {
-        ...process.env,
-        VERSION: target,
-      },
-    })
-    if (!proc.stdin || !proc.stdout || !proc.stderr) throw new Error("Process output not available")
-    proc.stdin.end(body)
-    const [code, stdout, stderr] = await Promise.all([proc.exited, buffer(proc.stdout), buffer(proc.stderr)])
-    return {
-      code,
-      stdout,
-      stderr,
-    }
-  }
-
-  export type Method = Awaited<ReturnType<typeof method>>
+  export type Method = "curl" | "npm" | "yarn" | "pnpm" | "bun" | "brew" | "scoop" | "choco" | "unknown"
 
   export const Event = {
     Updated: BusEvent.define(
@@ -75,12 +44,9 @@ export namespace Installation {
     })
   export type Info = z.infer<typeof Info>
 
-  export async function info() {
-    return {
-      version: VERSION,
-      latest: await latest(),
-    }
-  }
+  export const VERSION = typeof OPENCODE_VERSION === "string" ? OPENCODE_VERSION : "local"
+  export const CHANNEL = typeof OPENCODE_CHANNEL === "string" ? OPENCODE_CHANNEL : "local"
+  export const USER_AGENT = `opencode/${CHANNEL}/${VERSION}/${Flag.OPENCODE_CLIENT}`
 
   export function isPreview() {
     return CHANNEL !== "latest"
@@ -90,214 +56,306 @@ export namespace Installation {
     return CHANNEL === "local"
   }
 
-  export async function method() {
-    if (process.execPath.includes(path.join(".opencode", "bin"))) return "curl"
-    if (process.execPath.includes(path.join(".local", "bin"))) return "curl"
-    const exec = process.execPath.toLowerCase()
+  export class UpgradeFailedError extends Schema.TaggedErrorClass<UpgradeFailedError>()("UpgradeFailedError", {
+    stderr: Schema.String,
+  }) {}
 
-    const checks = [
-      {
-        name: "npm" as const,
-        command: () => text(["npm", "list", "-g", "--depth=0"]),
-      },
-      {
-        name: "yarn" as const,
-        command: () => text(["yarn", "global", "list"]),
-      },
-      {
-        name: "pnpm" as const,
-        command: () => text(["pnpm", "list", "-g", "--depth=0"]),
-      },
-      {
-        name: "bun" as const,
-        command: () => text(["bun", "pm", "ls", "-g"]),
-      },
-      {
-        name: "brew" as const,
-        command: () => text(["brew", "list", "--formula", "opencode"]),
-      },
-      {
-        name: "scoop" as const,
-        command: () => text(["scoop", "list", "opencode"]),
-      },
-      {
-        name: "choco" as const,
-        command: () => text(["choco", "list", "--limit-output", "opencode"]),
-      },
-    ]
+  // Response schemas for external version APIs
+  const GitHubRelease = Schema.Struct({ tag_name: Schema.String })
+  const NpmPackage = Schema.Struct({ version: Schema.String })
+  const BrewFormula = Schema.Struct({ versions: Schema.Struct({ stable: Schema.String }) })
+  const BrewInfoV2 = Schema.Struct({
+    formulae: Schema.Array(Schema.Struct({ versions: Schema.Struct({ stable: Schema.String }) })),
+  })
+  const ChocoPackage = Schema.Struct({
+    d: Schema.Struct({ results: Schema.Array(Schema.Struct({ Version: Schema.String })) }),
+  })
+  const ScoopManifest = NpmPackage
 
-    checks.sort((a, b) => {
-      const aMatches = exec.includes(a.name)
-      const bMatches = exec.includes(b.name)
-      if (aMatches && !bMatches) return -1
-      if (!aMatches && bMatches) return 1
-      return 0
-    })
-
-    for (const check of checks) {
-      const output = await check.command()
-      const installedName =
-        check.name === "brew" || check.name === "choco" || check.name === "scoop" ? "opencode" : "opencode-ai"
-      if (output.includes(installedName)) {
-        return check.name
-      }
-    }
-
-    return "unknown"
+  export interface Interface {
+    readonly info: () => Effect.Effect<Info>
+    readonly method: () => Effect.Effect<Method>
+    readonly latest: (method?: Method) => Effect.Effect<string>
+    readonly upgrade: (method: Method, target: string) => Effect.Effect<void, UpgradeFailedError>
   }
 
-  export const UpgradeFailedError = NamedError.create(
-    "UpgradeFailedError",
-    z.object({
-      stderr: z.string(),
+  export class Service extends ServiceMap.Service<Service, Interface>()("@opencode/Installation") {}
+
+  export const layer: Layer.Layer<
+    Service,
+    never,
+    HttpClient.HttpClient | ChildProcessSpawner.ChildProcessSpawner
+  > = Layer.effect(
+    Service,
+    Effect.gen(function* () {
+      const http = yield* HttpClient.HttpClient
+      const httpOk = HttpClient.filterStatusOk(withTransientReadRetry(http))
+      const spawner = yield* ChildProcessSpawner.ChildProcessSpawner
+
+      const text = Effect.fnUntraced(
+        function* (cmd: string[], opts?: { cwd?: string; env?: Record<string, string> }) {
+          const proc = ChildProcess.make(cmd[0], cmd.slice(1), {
+            cwd: opts?.cwd,
+            env: opts?.env,
+            extendEnv: true,
+          })
+          const handle = yield* spawner.spawn(proc)
+          const out = yield* Stream.mkString(Stream.decodeText(handle.stdout))
+          yield* handle.exitCode
+          return out
+        },
+        Effect.scoped,
+        Effect.catch(() => Effect.succeed("")),
+      )
+
+      const run = Effect.fnUntraced(
+        function* (cmd: string[], opts?: { cwd?: string; env?: Record<string, string> }) {
+          const proc = ChildProcess.make(cmd[0], cmd.slice(1), {
+            cwd: opts?.cwd,
+            env: opts?.env,
+            extendEnv: true,
+          })
+          const handle = yield* spawner.spawn(proc)
+          const [stdout, stderr] = yield* Effect.all(
+            [Stream.mkString(Stream.decodeText(handle.stdout)), Stream.mkString(Stream.decodeText(handle.stderr))],
+            { concurrency: 2 },
+          )
+          const code = yield* handle.exitCode
+          return { code, stdout, stderr }
+        },
+        Effect.scoped,
+        Effect.catch(() => Effect.succeed({ code: ChildProcessSpawner.ExitCode(1), stdout: "", stderr: "" })),
+      )
+
+      const getBrewFormula = Effect.fnUntraced(function* () {
+        const tapFormula = yield* text(["brew", "list", "--formula", "anomalyco/tap/opencode"])
+        if (tapFormula.includes("opencode")) return "anomalyco/tap/opencode"
+        const coreFormula = yield* text(["brew", "list", "--formula", "opencode"])
+        if (coreFormula.includes("opencode")) return "opencode"
+        return "opencode"
+      })
+
+      const upgradeCurl = Effect.fnUntraced(
+        function* (target: string) {
+          const response = yield* httpOk.execute(HttpClientRequest.get("https://opencode.ai/install"))
+          const body = yield* response.text
+          const bodyBytes = new TextEncoder().encode(body)
+          const proc = ChildProcess.make("bash", [], {
+            stdin: Stream.make(bodyBytes),
+            env: { VERSION: target },
+            extendEnv: true,
+          })
+          const handle = yield* spawner.spawn(proc)
+          const [stdout, stderr] = yield* Effect.all(
+            [Stream.mkString(Stream.decodeText(handle.stdout)), Stream.mkString(Stream.decodeText(handle.stderr))],
+            { concurrency: 2 },
+          )
+          const code = yield* handle.exitCode
+          return { code, stdout, stderr }
+        },
+        Effect.scoped,
+        Effect.orDie,
+      )
+
+      const methodImpl = Effect.fn("Installation.method")(function* () {
+        if (process.execPath.includes(path.join(".opencode", "bin"))) return "curl" as Method
+        if (process.execPath.includes(path.join(".local", "bin"))) return "curl" as Method
+        const exec = process.execPath.toLowerCase()
+
+        const checks: Array<{ name: Method; command: () => Effect.Effect<string> }> = [
+          { name: "npm", command: () => text(["npm", "list", "-g", "--depth=0"]) },
+          { name: "yarn", command: () => text(["yarn", "global", "list"]) },
+          { name: "pnpm", command: () => text(["pnpm", "list", "-g", "--depth=0"]) },
+          { name: "bun", command: () => text(["bun", "pm", "ls", "-g"]) },
+          { name: "brew", command: () => text(["brew", "list", "--formula", "opencode"]) },
+          { name: "scoop", command: () => text(["scoop", "list", "opencode"]) },
+          { name: "choco", command: () => text(["choco", "list", "--limit-output", "opencode"]) },
+        ]
+
+        checks.sort((a, b) => {
+          const aMatches = exec.includes(a.name)
+          const bMatches = exec.includes(b.name)
+          if (aMatches && !bMatches) return -1
+          if (!aMatches && bMatches) return 1
+          return 0
+        })
+
+        for (const check of checks) {
+          const output = yield* check.command()
+          const installedName =
+            check.name === "brew" || check.name === "choco" || check.name === "scoop" ? "opencode" : "opencode-ai"
+          if (output.includes(installedName)) {
+            return check.name
+          }
+        }
+
+        return "unknown" as Method
+      })
+
+      const latestImpl = Effect.fn("Installation.latest")(
+        function* (installMethod?: Method) {
+          const detectedMethod = installMethod || (yield* methodImpl())
+
+          if (detectedMethod === "brew") {
+            const formula = yield* getBrewFormula()
+            if (formula.includes("/")) {
+              const infoJson = yield* text(["brew", "info", "--json=v2", formula])
+              const info = yield* Schema.decodeUnknownEffect(Schema.fromJsonString(BrewInfoV2))(infoJson)
+              return info.formulae[0].versions.stable
+            }
+            const response = yield* httpOk.execute(
+              HttpClientRequest.get("https://formulae.brew.sh/api/formula/opencode.json").pipe(
+                HttpClientRequest.acceptJson,
+              ),
+            )
+            const data = yield* HttpClientResponse.schemaBodyJson(BrewFormula)(response)
+            return data.versions.stable
+          }
+
+          if (detectedMethod === "npm" || detectedMethod === "bun" || detectedMethod === "pnpm") {
+            const r = (yield* text(["npm", "config", "get", "registry"])).trim()
+            const reg = r || "https://registry.npmjs.org"
+            const registry = reg.endsWith("/") ? reg.slice(0, -1) : reg
+            const channel = CHANNEL
+            const response = yield* httpOk.execute(
+              HttpClientRequest.get(`${registry}/opencode-ai/${channel}`).pipe(HttpClientRequest.acceptJson),
+            )
+            const data = yield* HttpClientResponse.schemaBodyJson(NpmPackage)(response)
+            return data.version
+          }
+
+          if (detectedMethod === "choco") {
+            const response = yield* httpOk.execute(
+              HttpClientRequest.get(
+                "https://community.chocolatey.org/api/v2/Packages?$filter=Id%20eq%20%27opencode%27%20and%20IsLatestVersion&$select=Version",
+              ).pipe(HttpClientRequest.setHeaders({ Accept: "application/json;odata=verbose" })),
+            )
+            const data = yield* HttpClientResponse.schemaBodyJson(ChocoPackage)(response)
+            return data.d.results[0].Version
+          }
+
+          if (detectedMethod === "scoop") {
+            const response = yield* httpOk.execute(
+              HttpClientRequest.get(
+                "https://raw.githubusercontent.com/ScoopInstaller/Main/master/bucket/opencode.json",
+              ).pipe(HttpClientRequest.setHeaders({ Accept: "application/json" })),
+            )
+            const data = yield* HttpClientResponse.schemaBodyJson(ScoopManifest)(response)
+            return data.version
+          }
+
+          const response = yield* httpOk.execute(
+            HttpClientRequest.get("https://api.github.com/repos/anomalyco/opencode/releases/latest").pipe(
+              HttpClientRequest.acceptJson,
+            ),
+          )
+          const data = yield* HttpClientResponse.schemaBodyJson(GitHubRelease)(response)
+          return data.tag_name.replace(/^v/, "")
+        },
+        Effect.orDie,
+      )
+
+      const upgradeImpl = Effect.fn("Installation.upgrade")(function* (m: Method, target: string) {
+        let result: { code: ChildProcessSpawner.ExitCode; stdout: string; stderr: string } | undefined
+        switch (m) {
+          case "curl":
+            result = yield* upgradeCurl(target)
+            break
+          case "npm":
+            result = yield* run(["npm", "install", "-g", `opencode-ai@${target}`])
+            break
+          case "pnpm":
+            result = yield* run(["pnpm", "install", "-g", `opencode-ai@${target}`])
+            break
+          case "bun":
+            result = yield* run(["bun", "install", "-g", `opencode-ai@${target}`])
+            break
+          case "brew": {
+            const formula = yield* getBrewFormula()
+            const env = { HOMEBREW_NO_AUTO_UPDATE: "1" }
+            if (formula.includes("/")) {
+              const tap = yield* run(["brew", "tap", "anomalyco/tap"], { env })
+              if (tap.code !== 0) {
+                result = tap
+                break
+              }
+              const repo = yield* text(["brew", "--repo", "anomalyco/tap"])
+              const dir = repo.trim()
+              if (dir) {
+                const pull = yield* run(["git", "pull", "--ff-only"], { cwd: dir, env })
+                if (pull.code !== 0) {
+                  result = pull
+                  break
+                }
+              }
+            }
+            result = yield* run(["brew", "upgrade", formula], { env })
+            break
+          }
+          case "choco":
+            result = yield* run(["choco", "upgrade", "opencode", `--version=${target}`, "-y"])
+            break
+          case "scoop":
+            result = yield* run(["scoop", "install", `opencode@${target}`])
+            break
+          default:
+            throw new Error(`Unknown method: ${m}`)
+        }
+        if (!result || result.code !== 0) {
+          const stderr = m === "choco" ? "not running from an elevated command shell" : result?.stderr || ""
+          return yield* new UpgradeFailedError({ stderr })
+        }
+        log.info("upgraded", {
+          method: m,
+          target,
+          stdout: result.stdout,
+          stderr: result.stderr,
+        })
+        yield* text([process.execPath, "--version"])
+      })
+
+      return Service.of({
+        info: Effect.fn("Installation.info")(function* () {
+          return {
+            version: VERSION,
+            latest: yield* latestImpl(),
+          }
+        }),
+        method: methodImpl,
+        latest: latestImpl,
+        upgrade: upgradeImpl,
+      })
     }),
   )
 
-  async function getBrewFormula() {
-    const tapFormula = await text(["brew", "list", "--formula", "anomalyco/tap/opencode"])
-    if (tapFormula.includes("opencode")) return "anomalyco/tap/opencode"
-    const coreFormula = await text(["brew", "list", "--formula", "opencode"])
-    if (coreFormula.includes("opencode")) return "opencode"
-    return "opencode"
+  export const defaultLayer = layer.pipe(
+    Layer.provide(FetchHttpClient.layer),
+    Layer.provide(NodeChildProcessSpawner.layer),
+    Layer.provide(NodeFileSystem.layer),
+    Layer.provide(NodePath.layer),
+  )
+
+  // Legacy adapters — dynamic import avoids circular dependency since
+  // foundational modules (db.ts, provider/models.ts) import Installation
+  // at load time, and runtime transitively loads those same modules.
+  async function runPromise<A>(f: (service: Interface) => Effect.Effect<A, any>) {
+    const { runtime } = await import("@/effect/runtime")
+    return runtime.runPromise(Service.use(f))
   }
 
-  export async function upgrade(method: Method, target: string) {
-    let result: Awaited<ReturnType<typeof upgradeCurl>> | undefined
-    switch (method) {
-      case "curl":
-        result = await upgradeCurl(target)
-        break
-      case "npm":
-        result = await Process.run(["npm", "install", "-g", `opencode-ai@${target}`], { nothrow: true })
-        break
-      case "pnpm":
-        result = await Process.run(["pnpm", "install", "-g", `opencode-ai@${target}`], { nothrow: true })
-        break
-      case "bun":
-        result = await Process.run(["bun", "install", "-g", `opencode-ai@${target}`], { nothrow: true })
-        break
-      case "brew": {
-        const formula = await getBrewFormula()
-        const env = {
-          HOMEBREW_NO_AUTO_UPDATE: "1",
-          ...process.env,
-        }
-        if (formula.includes("/")) {
-          const tap = await Process.run(["brew", "tap", "anomalyco/tap"], { env, nothrow: true })
-          if (tap.code !== 0) {
-            result = tap
-            break
-          }
-          const repo = await Process.text(["brew", "--repo", "anomalyco/tap"], { env, nothrow: true })
-          if (repo.code !== 0) {
-            result = repo
-            break
-          }
-          const dir = repo.text.trim()
-          if (dir) {
-            const pull = await Process.run(["git", "pull", "--ff-only"], { cwd: dir, env, nothrow: true })
-            if (pull.code !== 0) {
-              result = pull
-              break
-            }
-          }
-        }
-        result = await Process.run(["brew", "upgrade", formula], { env, nothrow: true })
-        break
-      }
-
-      case "choco":
-        result = await Process.run(["choco", "upgrade", "opencode", `--version=${target}`, "-y"], { nothrow: true })
-        break
-      case "scoop":
-        result = await Process.run(["scoop", "install", `opencode@${target}`], { nothrow: true })
-        break
-      default:
-        throw new Error(`Unknown method: ${method}`)
-    }
-    if (!result || result.code !== 0) {
-      const stderr =
-        method === "choco" ? "not running from an elevated command shell" : result?.stderr.toString("utf8") || ""
-      throw new UpgradeFailedError({
-        stderr: stderr,
-      })
-    }
-    log.info("upgraded", {
-      method,
-      target,
-      stdout: result.stdout.toString(),
-      stderr: result.stderr.toString(),
-    })
-    await Process.text([process.execPath, "--version"], { nothrow: true })
+  export function info(): Promise<Info> {
+    return runPromise((svc) => svc.info())
   }
 
-  export const VERSION = typeof OPENCODE_VERSION === "string" ? OPENCODE_VERSION : "local"
-  export const CHANNEL = typeof OPENCODE_CHANNEL === "string" ? OPENCODE_CHANNEL : "local"
-  export const USER_AGENT = `opencode/${CHANNEL}/${VERSION}/${Flag.OPENCODE_CLIENT}`
+  export function method(): Promise<Method> {
+    return runPromise((svc) => svc.method())
+  }
 
-  export async function latest(installMethod?: Method) {
-    const detectedMethod = installMethod || (await method())
+  export function latest(installMethod?: Method): Promise<string> {
+    return runPromise((svc) => svc.latest(installMethod))
+  }
 
-    if (detectedMethod === "brew") {
-      const formula = await getBrewFormula()
-      if (formula.includes("/")) {
-        const infoJson = await text(["brew", "info", "--json=v2", formula])
-        const info = JSON.parse(infoJson)
-        const version = info.formulae?.[0]?.versions?.stable
-        if (!version) throw new Error(`Could not detect version for tap formula: ${formula}`)
-        return version
-      }
-      return fetch("https://formulae.brew.sh/api/formula/opencode.json")
-        .then((res) => {
-          if (!res.ok) throw new Error(res.statusText)
-          return res.json()
-        })
-        .then((data: any) => data.versions.stable)
-    }
-
-    if (detectedMethod === "npm" || detectedMethod === "bun" || detectedMethod === "pnpm") {
-      const registry = await iife(async () => {
-        const r = (await text(["npm", "config", "get", "registry"])).trim()
-        const reg = r || "https://registry.npmjs.org"
-        return reg.endsWith("/") ? reg.slice(0, -1) : reg
-      })
-      const channel = CHANNEL
-      return fetch(`${registry}/opencode-ai/${channel}`)
-        .then((res) => {
-          if (!res.ok) throw new Error(res.statusText)
-          return res.json()
-        })
-        .then((data: any) => data.version)
-    }
-
-    if (detectedMethod === "choco") {
-      return fetch(
-        "https://community.chocolatey.org/api/v2/Packages?$filter=Id%20eq%20%27opencode%27%20and%20IsLatestVersion&$select=Version",
-        { headers: { Accept: "application/json;odata=verbose" } },
-      )
-        .then((res) => {
-          if (!res.ok) throw new Error(res.statusText)
-          return res.json()
-        })
-        .then((data: any) => data.d.results[0].Version)
-    }
-
-    if (detectedMethod === "scoop") {
-      return fetch("https://raw.githubusercontent.com/ScoopInstaller/Main/master/bucket/opencode.json", {
-        headers: { Accept: "application/json" },
-      })
-        .then((res) => {
-          if (!res.ok) throw new Error(res.statusText)
-          return res.json()
-        })
-        .then((data: any) => data.version)
-    }
-
-    return fetch("https://api.github.com/repos/anomalyco/opencode/releases/latest")
-      .then((res) => {
-        if (!res.ok) throw new Error(res.statusText)
-        return res.json()
-      })
-      .then((data: any) => data.tag_name.replace(/^v/, ""))
+  export function upgrade(m: Method, target: string): Promise<void> {
+    return runPromise((svc) => svc.upgrade(m, target))
   }
 }

packages/opencode/src/lsp/server.ts

@@ -3,7 +3,6 @@ import path from "path"
 import os from "os"
 import { Global } from "../global"
 import { Log } from "../util/log"
-import { BunProc } from "../bun"
 import { text } from "node:stream/consumers"
 import fs from "fs/promises"
 import { Filesystem } from "../util/filesystem"
@@ -14,6 +13,7 @@ import { Process } from "../util/process"
 import { which } from "../util/which"
 import { Module } from "@opencode-ai/util/module"
 import { spawn } from "./launch"
+import { Npm } from "@/npm"
 
 export namespace LSPServer {
   const log = Log.create({ service: "lsp.server" })
@@ -103,11 +103,10 @@ export namespace LSPServer {
       const tsserver = Module.resolve("typescript/lib/tsserver.js", Instance.directory)
       log.info("typescript server", { tsserver })
       if (!tsserver) return
-      const proc = spawn(BunProc.which(), ["x", "typescript-language-server", "--stdio"], {
+      const proc = spawn(await Npm.which("typescript-language-server"), ["--stdio"], {
         cwd: root,
         env: {
           ...process.env,
-          BUN_BE_BUN: "1",
         },
       })
       return {
@@ -129,36 +128,14 @@ export namespace LSPServer {
       let binary = which("vue-language-server")
       const args: string[] = []
       if (!binary) {
-        const js = path.join(
-          Global.Path.bin,
-          "node_modules",
-          "@vue",
-          "language-server",
-          "bin",
-          "vue-language-server.js",
-        )
-        if (!(await Filesystem.exists(js))) {
-          if (Flag.OPENCODE_DISABLE_LSP_DOWNLOAD) return
-          await Process.spawn([BunProc.which(), "install", "@vue/language-server"], {
-            cwd: Global.Path.bin,
-            env: {
-              ...process.env,
-              BUN_BE_BUN: "1",
-            },
-            stdout: "pipe",
-            stderr: "pipe",
-            stdin: "pipe",
-          }).exited
-        }
-        binary = BunProc.which()
-        args.push("run", js)
+        if (Flag.OPENCODE_DISABLE_LSP_DOWNLOAD) return
+        binary = await Npm.which("@vue/language-server")
       }
       args.push("--stdio")
       const proc = spawn(binary, args, {
         cwd: root,
         env: {
           ...process.env,
-          BUN_BE_BUN: "1",
         },
       })
       return {
@@ -214,11 +191,10 @@ export namespace LSPServer {
         log.info("installed VS Code ESLint server", { serverPath })
       }
 
-      const proc = spawn(BunProc.which(), [serverPath, "--stdio"], {
+      const proc = spawn("node", [serverPath, "--stdio"], {
         cwd: root,
         env: {
           ...process.env,
-          BUN_BE_BUN: "1",
         },
       })
 
@@ -345,15 +321,14 @@ export namespace LSPServer {
       if (!bin) {
         const resolved = Module.resolve("biome", root)
         if (!resolved) return
-        bin = BunProc.which()
-        args = ["x", "biome", "lsp-proxy", "--stdio"]
+        bin = await Npm.which("biome")
+        args = ["lsp-proxy", "--stdio"]
       }
 
       const proc = spawn(bin, args, {
         cwd: root,
         env: {
           ...process.env,
-          BUN_BE_BUN: "1",
         },
       })
 
@@ -372,9 +347,7 @@ export namespace LSPServer {
     },
     extensions: [".go"],
     async spawn(root) {
-      let bin = which("gopls", {
-        PATH: process.env["PATH"] + path.delimiter + Global.Path.bin,
-      })
+      let bin = which("gopls")
       if (!bin) {
         if (!which("go")) return
         if (Flag.OPENCODE_DISABLE_LSP_DOWNLOAD) return
@@ -409,9 +382,7 @@ export namespace LSPServer {
     root: NearestRoot(["Gemfile"]),
     extensions: [".rb", ".rake", ".gemspec", ".ru"],
     async spawn(root) {
-      let bin = which("rubocop", {
-        PATH: process.env["PATH"] + path.delimiter + Global.Path.bin,
-      })
+      let bin = which("rubocop")
       if (!bin) {
         const ruby = which("ruby")
         const gem = which("gem")
@@ -516,19 +487,8 @@ export namespace LSPServer {
       let binary = which("pyright-langserver")
       const args = []
       if (!binary) {
-        const js = path.join(Global.Path.bin, "node_modules", "pyright", "dist", "pyright-langserver.js")
-        if (!(await Filesystem.exists(js))) {
-          if (Flag.OPENCODE_DISABLE_LSP_DOWNLOAD) return
-          await Process.spawn([BunProc.which(), "install", "pyright"], {
-            cwd: Global.Path.bin,
-            env: {
-              ...process.env,
-              BUN_BE_BUN: "1",
-            },
-          }).exited
-        }
-        binary = BunProc.which()
-        args.push(...["run", js])
+        if (Flag.OPENCODE_DISABLE_LSP_DOWNLOAD) return
+        binary = await Npm.which("pyright")
       }
       args.push("--stdio")
 
@@ -552,7 +512,6 @@ export namespace LSPServer {
         cwd: root,
         env: {
           ...process.env,
-          BUN_BE_BUN: "1",
         },
       })
       return {
@@ -630,9 +589,7 @@ export namespace LSPServer {
     extensions: [".zig", ".zon"],
     root: NearestRoot(["build.zig"]),
     async spawn(root) {
-      let bin = which("zls", {
-        PATH: process.env["PATH"] + path.delimiter + Global.Path.bin,
-      })
+      let bin = which("zls")
 
       if (!bin) {
         const zig = which("zig")
@@ -742,9 +699,7 @@ export namespace LSPServer {
     root: NearestRoot([".slnx", ".sln", ".csproj", "global.json"]),
     extensions: [".cs"],
     async spawn(root) {
-      let bin = which("csharp-ls", {
-        PATH: process.env["PATH"] + path.delimiter + Global.Path.bin,
-      })
+      let bin = which("csharp-ls")
       if (!bin) {
         if (!which("dotnet")) {
           log.error(".NET SDK is required to install csharp-ls")
@@ -781,9 +736,7 @@ export namespace LSPServer {
     root: NearestRoot([".slnx", ".sln", ".fsproj", "global.json"]),
     extensions: [".fs", ".fsi", ".fsx", ".fsscript"],
     async spawn(root) {
-      let bin = which("fsautocomplete", {
-        PATH: process.env["PATH"] + path.delimiter + Global.Path.bin,
-      })
+      let bin = which("fsautocomplete")
       if (!bin) {
         if (!which("dotnet")) {
           log.error(".NET SDK is required to install fsautocomplete")
@@ -1049,29 +1002,14 @@ export namespace LSPServer {
       let binary = which("svelteserver")
       const args: string[] = []
       if (!binary) {
-        const js = path.join(Global.Path.bin, "node_modules", "svelte-language-server", "bin", "server.js")
-        if (!(await Filesystem.exists(js))) {
-          if (Flag.OPENCODE_DISABLE_LSP_DOWNLOAD) return
-          await Process.spawn([BunProc.which(), "install", "svelte-language-server"], {
-            cwd: Global.Path.bin,
-            env: {
-              ...process.env,
-              BUN_BE_BUN: "1",
-            },
-            stdout: "pipe",
-            stderr: "pipe",
-            stdin: "pipe",
-          }).exited
-        }
-        binary = BunProc.which()
-        args.push("run", js)
+        if (Flag.OPENCODE_DISABLE_LSP_DOWNLOAD) return
+        binary = await Npm.which("svelte-language-server")
       }
       args.push("--stdio")
       const proc = spawn(binary, args, {
         cwd: root,
         env: {
           ...process.env,
-          BUN_BE_BUN: "1",
         },
       })
       return {
@@ -1096,29 +1034,14 @@ export namespace LSPServer {
       let binary = which("astro-ls")
       const args: string[] = []
       if (!binary) {
-        const js = path.join(Global.Path.bin, "node_modules", "@astrojs", "language-server", "bin", "nodeServer.js")
-        if (!(await Filesystem.exists(js))) {
-          if (Flag.OPENCODE_DISABLE_LSP_DOWNLOAD) return
-          await Process.spawn([BunProc.which(), "install", "@astrojs/language-server"], {
-            cwd: Global.Path.bin,
-            env: {
-              ...process.env,
-              BUN_BE_BUN: "1",
-            },
-            stdout: "pipe",
-            stderr: "pipe",
-            stdin: "pipe",
-          }).exited
-        }
-        binary = BunProc.which()
-        args.push("run", js)
+        if (Flag.OPENCODE_DISABLE_LSP_DOWNLOAD) return
+        binary = await Npm.which("@astrojs/language-server")
       }
       args.push("--stdio")
       const proc = spawn(binary, args, {
         cwd: root,
         env: {
           ...process.env,
-          BUN_BE_BUN: "1",
         },
       })
       return {
@@ -1360,38 +1283,14 @@ export namespace LSPServer {
       let binary = which("yaml-language-server")
       const args: string[] = []
       if (!binary) {
-        const js = path.join(
-          Global.Path.bin,
-          "node_modules",
-          "yaml-language-server",
-          "out",
-          "server",
-          "src",
-          "server.js",
-        )
-        const exists = await Filesystem.exists(js)
-        if (!exists) {
-          if (Flag.OPENCODE_DISABLE_LSP_DOWNLOAD) return
-          await Process.spawn([BunProc.which(), "install", "yaml-language-server"], {
-            cwd: Global.Path.bin,
-            env: {
-              ...process.env,
-              BUN_BE_BUN: "1",
-            },
-            stdout: "pipe",
-            stderr: "pipe",
-            stdin: "pipe",
-          }).exited
-        }
-        binary = BunProc.which()
-        args.push("run", js)
+        if (Flag.OPENCODE_DISABLE_LSP_DOWNLOAD) return
+        binary = await Npm.which("yaml-language-server")
       }
       args.push("--stdio")
       const proc = spawn(binary, args, {
         cwd: root,
         env: {
           ...process.env,
-          BUN_BE_BUN: "1",
         },
       })
       return {
@@ -1413,9 +1312,7 @@ export namespace LSPServer {
     ]),
     extensions: [".lua"],
     async spawn(root) {
-      let bin = which("lua-language-server", {
-        PATH: process.env["PATH"] + path.delimiter + Global.Path.bin,
-      })
+      let bin = which("lua-language-server")
 
       if (!bin) {
         if (Flag.OPENCODE_DISABLE_LSP_DOWNLOAD) return
@@ -1551,29 +1448,14 @@ export namespace LSPServer {
       let binary = which("intelephense")
       const args: string[] = []
       if (!binary) {
-        const js = path.join(Global.Path.bin, "node_modules", "intelephense", "lib", "intelephense.js")
-        if (!(await Filesystem.exists(js))) {
-          if (Flag.OPENCODE_DISABLE_LSP_DOWNLOAD) return
-          await Process.spawn([BunProc.which(), "install", "intelephense"], {
-            cwd: Global.Path.bin,
-            env: {
-              ...process.env,
-              BUN_BE_BUN: "1",
-            },
-            stdout: "pipe",
-            stderr: "pipe",
-            stdin: "pipe",
-          }).exited
-        }
-        binary = BunProc.which()
-        args.push("run", js)
+        if (Flag.OPENCODE_DISABLE_LSP_DOWNLOAD) return
+        binary = await Npm.which("intelephense")
       }
       args.push("--stdio")
       const proc = spawn(binary, args, {
         cwd: root,
         env: {
           ...process.env,
-          BUN_BE_BUN: "1",
         },
       })
       return {
@@ -1648,29 +1530,14 @@ export namespace LSPServer {
       let binary = which("bash-language-server")
       const args: string[] = []
       if (!binary) {
-        const js = path.join(Global.Path.bin, "node_modules", "bash-language-server", "out", "cli.js")
-        if (!(await Filesystem.exists(js))) {
-          if (Flag.OPENCODE_DISABLE_LSP_DOWNLOAD) return
-          await Process.spawn([BunProc.which(), "install", "bash-language-server"], {
-            cwd: Global.Path.bin,
-            env: {
-              ...process.env,
-              BUN_BE_BUN: "1",
-            },
-            stdout: "pipe",
-            stderr: "pipe",
-            stdin: "pipe",
-          }).exited
-        }
-        binary = BunProc.which()
-        args.push("run", js)
+        if (Flag.OPENCODE_DISABLE_LSP_DOWNLOAD) return
+        binary = await Npm.which("bash-language-server")
       }
       args.push("start")
       const proc = spawn(binary, args, {
         cwd: root,
         env: {
           ...process.env,
-          BUN_BE_BUN: "1",
         },
       })
       return {
@@ -1684,9 +1551,7 @@ export namespace LSPServer {
     extensions: [".tf", ".tfvars"],
     root: NearestRoot([".terraform.lock.hcl", "terraform.tfstate", "*.tf"]),
     async spawn(root) {
-      let bin = which("terraform-ls", {
-        PATH: process.env["PATH"] + path.delimiter + Global.Path.bin,
-      })
+      let bin = which("terraform-ls")
 
       if (!bin) {
         if (Flag.OPENCODE_DISABLE_LSP_DOWNLOAD) return
@@ -1767,9 +1632,7 @@ export namespace LSPServer {
     extensions: [".tex", ".bib"],
     root: NearestRoot([".latexmkrc", "latexmkrc", ".texlabroot", "texlabroot"]),
     async spawn(root) {
-      let bin = which("texlab", {
-        PATH: process.env["PATH"] + path.delimiter + Global.Path.bin,
-      })
+      let bin = which("texlab")
 
       if (!bin) {
         if (Flag.OPENCODE_DISABLE_LSP_DOWNLOAD) return
@@ -1860,29 +1723,14 @@ export namespace LSPServer {
       let binary = which("docker-langserver")
       const args: string[] = []
       if (!binary) {
-        const js = path.join(Global.Path.bin, "node_modules", "dockerfile-language-server-nodejs", "lib", "server.js")
-        if (!(await Filesystem.exists(js))) {
-          if (Flag.OPENCODE_DISABLE_LSP_DOWNLOAD) return
-          await Process.spawn([BunProc.which(), "install", "dockerfile-language-server-nodejs"], {
-            cwd: Global.Path.bin,
-            env: {
-              ...process.env,
-              BUN_BE_BUN: "1",
-            },
-            stdout: "pipe",
-            stderr: "pipe",
-            stdin: "pipe",
-          }).exited
-        }
-        binary = BunProc.which()
-        args.push("run", js)
+        if (Flag.OPENCODE_DISABLE_LSP_DOWNLOAD) return
+        binary = await Npm.which("dockerfile-language-server-nodejs")
       }
       args.push("--stdio")
       const proc = spawn(binary, args, {
         cwd: root,
         env: {
           ...process.env,
-          BUN_BE_BUN: "1",
         },
       })
       return {
@@ -1966,9 +1814,7 @@ export namespace LSPServer {
     extensions: [".typ", ".typc"],
     root: NearestRoot(["typst.toml"]),
     async spawn(root) {
-      let bin = which("tinymist", {
-        PATH: process.env["PATH"] + path.delimiter + Global.Path.bin,
-      })
+      let bin = which("tinymist")
 
       if (!bin) {
         if (Flag.OPENCODE_DISABLE_LSP_DOWNLOAD) return

packages/opencode/src/mcp/index.ts

@@ -11,6 +11,7 @@ import {
 } from "@modelcontextprotocol/sdk/types.js"
 import { Config } from "../config/config"
 import { Log } from "../util/log"
+import { Process } from "../util/process"
 import { NamedError } from "@opencode-ai/util/error"
 import z from "zod/v4"
 import { Instance } from "../project/instance"
@@ -166,14 +167,10 @@ export namespace MCP {
     const queue = [pid]
     while (queue.length > 0) {
       const current = queue.shift()!
-      const proc = Bun.spawn(["pgrep", "-P", String(current)], { stdout: "pipe", stderr: "pipe" })
-      const [code, out] = await Promise.all([proc.exited, new Response(proc.stdout).text()]).catch(
-        () => [-1, ""] as const,
-      )
-      if (code !== 0) continue
-      for (const tok of out.trim().split(/\s+/)) {
+      const lines = await Process.lines(["pgrep", "-P", String(current)], { nothrow: true })
+      for (const tok of lines) {
         const cpid = parseInt(tok, 10)
-        if (!isNaN(cpid) && pids.indexOf(cpid) === -1) {
+        if (!isNaN(cpid) && !pids.includes(cpid)) {
           pids.push(cpid)
           queue.push(cpid)
         }
@@ -458,9 +455,8 @@ export namespace MCP {
         cwd,
         env: {
           ...process.env,
-          ...(cmd === "opencode" ? { BUN_BE_BUN: "1" } : {}),
           ...mcp.environment,
-        },
+        } as any,
       })
       transport.stderr?.on("data", (chunk: Buffer) => {
         log.info(`mcp stderr: ${chunk.toString()}`, { key })

packages/opencode/src/mcp/oauth-callback.ts

@@ -1,4 +1,5 @@
 import { createConnection } from "net"
+import { createServer } from "http"
 import { Log } from "../util/log"
 import { OAUTH_CALLBACK_PORT, OAUTH_CALLBACK_PATH } from "./oauth-provider"
 
@@ -52,11 +53,74 @@ interface PendingAuth {
 }
 
 export namespace McpOAuthCallback {
-  let server: ReturnType<typeof Bun.serve> | undefined
+  let server: ReturnType<typeof createServer> | undefined
   const pendingAuths = new Map<string, PendingAuth>()
 
   const CALLBACK_TIMEOUT_MS = 5 * 60 * 1000 // 5 minutes
 
+  function handleRequest(req: import("http").IncomingMessage, res: import("http").ServerResponse) {
+    const url = new URL(req.url || "/", `http://localhost:${OAUTH_CALLBACK_PORT}`)
+
+    if (url.pathname !== OAUTH_CALLBACK_PATH) {
+      res.writeHead(404)
+      res.end("Not found")
+      return
+    }
+
+    const code = url.searchParams.get("code")
+    const state = url.searchParams.get("state")
+    const error = url.searchParams.get("error")
+    const errorDescription = url.searchParams.get("error_description")
+
+    log.info("received oauth callback", { hasCode: !!code, state, error })
+
+    // Enforce state parameter presence
+    if (!state) {
+      const errorMsg = "Missing required state parameter - potential CSRF attack"
+      log.error("oauth callback missing state parameter", { url: url.toString() })
+      res.writeHead(400, { "Content-Type": "text/html" })
+      res.end(HTML_ERROR(errorMsg))
+      return
+    }
+
+    if (error) {
+      const errorMsg = errorDescription || error
+      if (pendingAuths.has(state)) {
+        const pending = pendingAuths.get(state)!
+        clearTimeout(pending.timeout)
+        pendingAuths.delete(state)
+        pending.reject(new Error(errorMsg))
+      }
+      res.writeHead(200, { "Content-Type": "text/html" })
+      res.end(HTML_ERROR(errorMsg))
+      return
+    }
+
+    if (!code) {
+      res.writeHead(400, { "Content-Type": "text/html" })
+      res.end(HTML_ERROR("No authorization code provided"))
+      return
+    }
+
+    // Validate state parameter
+    if (!pendingAuths.has(state)) {
+      const errorMsg = "Invalid or expired state parameter - potential CSRF attack"
+      log.error("oauth callback with invalid state", { state, pendingStates: Array.from(pendingAuths.keys()) })
+      res.writeHead(400, { "Content-Type": "text/html" })
+      res.end(HTML_ERROR(errorMsg))
+      return
+    }
+
+    const pending = pendingAuths.get(state)!
+
+    clearTimeout(pending.timeout)
+    pendingAuths.delete(state)
+    pending.resolve(code)
+
+    res.writeHead(200, { "Content-Type": "text/html" })
+    res.end(HTML_SUCCESS)
+  }
+
   export async function ensureRunning(): Promise<void> {
     if (server) return
 
@@ -66,75 +130,14 @@ export namespace McpOAuthCallback {
       return
     }
 
-    server = Bun.serve({
-      port: OAUTH_CALLBACK_PORT,
-      fetch(req) {
-        const url = new URL(req.url)
-
-        if (url.pathname !== OAUTH_CALLBACK_PATH) {
-          return new Response("Not found", { status: 404 })
-        }
-
-        const code = url.searchParams.get("code")
-        const state = url.searchParams.get("state")
-        const error = url.searchParams.get("error")
-        const errorDescription = url.searchParams.get("error_description")
-
-        log.info("received oauth callback", { hasCode: !!code, state, error })
-
-        // Enforce state parameter presence
-        if (!state) {
-          const errorMsg = "Missing required state parameter - potential CSRF attack"
-          log.error("oauth callback missing state parameter", { url: url.toString() })
-          return new Response(HTML_ERROR(errorMsg), {
-            status: 400,
-            headers: { "Content-Type": "text/html" },
-          })
-        }
-
-        if (error) {
-          const errorMsg = errorDescription || error
-          if (pendingAuths.has(state)) {
-            const pending = pendingAuths.get(state)!
-            clearTimeout(pending.timeout)
-            pendingAuths.delete(state)
-            pending.reject(new Error(errorMsg))
-          }
-          return new Response(HTML_ERROR(errorMsg), {
-            headers: { "Content-Type": "text/html" },
-          })
-        }
-
-        if (!code) {
-          return new Response(HTML_ERROR("No authorization code provided"), {
-            status: 400,
-            headers: { "Content-Type": "text/html" },
-          })
-        }
-
-        // Validate state parameter
-        if (!pendingAuths.has(state)) {
-          const errorMsg = "Invalid or expired state parameter - potential CSRF attack"
-          log.error("oauth callback with invalid state", { state, pendingStates: Array.from(pendingAuths.keys()) })
-          return new Response(HTML_ERROR(errorMsg), {
-            status: 400,
-            headers: { "Content-Type": "text/html" },
-          })
-        }
-
-        const pending = pendingAuths.get(state)!
-
-        clearTimeout(pending.timeout)
-        pendingAuths.delete(state)
-        pending.resolve(code)
-
-        return new Response(HTML_SUCCESS, {
-          headers: { "Content-Type": "text/html" },
-        })
-      },
+    server = createServer(handleRequest)
+    await new Promise<void>((resolve, reject) => {
+      server!.listen(OAUTH_CALLBACK_PORT, () => {
+        log.info("oauth callback server started", { port: OAUTH_CALLBACK_PORT })
+        resolve()
+      })
+      server!.on("error", reject)
     })
-
-    log.info("oauth callback server started", { port: OAUTH_CALLBACK_PORT })
   }
 
   export function waitForCallback(oauthState: string): Promise<string> {
@@ -174,7 +177,7 @@ export namespace McpOAuthCallback {
 
   export async function stop(): Promise<void> {
     if (server) {
-      server.stop()
+      await new Promise<void>((resolve) => server!.close(() => resolve()))
       server = undefined
       log.info("oauth callback server stopped")
     }

packages/opencode/src/node.ts

@@ -0,0 +1 @@
+export { Server } from "./server/server"

packages/opencode/src/npm/index.ts

@@ -0,0 +1,181 @@
+// Workaround: Bun on Windows does not support the UV_FS_O_FILEMAP flag that
+// the `tar` package uses for files < 512KB (fs.open returns EINVAL).
+// tar silently swallows the error and skips writing files, leaving only empty
+// directories. Setting __FAKE_PLATFORM__ makes tar fall back to the plain 'w'
+// flag. See tar's get-write-flag.js.
+// Must be set before @npmcli/arborist is imported since tar caches the flag
+// at module evaluation time — so we use a dynamic import() below.
+if (process.platform === "win32") {
+  process.env.__FAKE_PLATFORM__ = "linux"
+}
+
+import semver from "semver"
+import z from "zod"
+import { NamedError } from "@opencode-ai/util/error"
+import { Global } from "../global"
+import { Lock } from "../util/lock"
+import { Log } from "../util/log"
+import path from "path"
+import { readdir, rm } from "fs/promises"
+import { Filesystem } from "@/util/filesystem"
+
+const { Arborist } = await import("@npmcli/arborist")
+
+export namespace Npm {
+  const log = Log.create({ service: "npm" })
+
+  export const InstallFailedError = NamedError.create(
+    "NpmInstallFailedError",
+    z.object({
+      pkg: z.string(),
+    }),
+  )
+
+  function directory(pkg: string) {
+    return path.join(Global.Path.cache, "packages", pkg)
+  }
+
+  export async function outdated(pkg: string, cachedVersion: string): Promise<boolean> {
+    const response = await fetch(`https://registry.npmjs.org/${pkg}`)
+    if (!response.ok) {
+      log.warn("Failed to resolve latest version, using cached", { pkg, cachedVersion })
+      return false
+    }
+
+    const data = (await response.json()) as { "dist-tags"?: { latest?: string } }
+    const latestVersion = data?.["dist-tags"]?.latest
+    if (!latestVersion) {
+      log.warn("No latest version found, using cached", { pkg, cachedVersion })
+      return false
+    }
+
+    const range = /[\s^~*xX<>|=]/.test(cachedVersion)
+    if (range) return !semver.satisfies(latestVersion, cachedVersion)
+
+    return semver.lt(cachedVersion, latestVersion)
+  }
+
+  export async function add(pkg: string) {
+    using _ = await Lock.write(`npm-install:${pkg}`)
+    log.info("installing package", {
+      pkg,
+    })
+    const dir = directory(pkg)
+
+    const arborist = new Arborist({
+      path: dir,
+      binLinks: true,
+      progress: false,
+      savePrefix: "",
+    })
+    const tree = await arborist.loadVirtual().catch(() => {})
+    if (tree) {
+      const first = tree.edgesOut.values().next().value?.to
+      if (first) {
+        log.info("package already installed", { pkg })
+        return first.path
+      }
+    }
+
+    const result = await arborist
+      .reify({
+        add: [pkg],
+        save: true,
+        saveType: "prod",
+      })
+      .catch((cause) => {
+        throw new InstallFailedError(
+          { pkg },
+          {
+            cause,
+          },
+        )
+      })
+
+    const first = result.edgesOut.values().next().value?.to
+    if (!first) throw new InstallFailedError({ pkg })
+    return first.path
+  }
+
+  export async function install(dir: string) {
+    using _ = await Lock.write(`npm-install:${dir}`)
+    log.info("checking dependencies", { dir })
+
+    const reify = async () => {
+      const arb = new Arborist({
+        path: dir,
+        binLinks: true,
+        progress: false,
+        savePrefix: "",
+      })
+      await arb.reify().catch(() => {})
+    }
+
+    if (!(await Filesystem.exists(path.join(dir, "node_modules")))) {
+      log.info("node_modules missing, reifying")
+      await reify()
+      return
+    }
+
+    const pkg = await Filesystem.readJson(path.join(dir, "package.json")).catch(() => ({}))
+    const lock = await Filesystem.readJson(path.join(dir, "package-lock.json")).catch(() => ({}))
+
+    const declared = new Set([
+      ...Object.keys(pkg.dependencies || {}),
+      ...Object.keys(pkg.devDependencies || {}),
+      ...Object.keys(pkg.peerDependencies || {}),
+      ...Object.keys(pkg.optionalDependencies || {}),
+    ])
+
+    const root = lock.packages?.[""] || {}
+    const locked = new Set([
+      ...Object.keys(root.dependencies || {}),
+      ...Object.keys(root.devDependencies || {}),
+      ...Object.keys(root.peerDependencies || {}),
+      ...Object.keys(root.optionalDependencies || {}),
+    ])
+
+    for (const name of declared) {
+      if (!locked.has(name)) {
+        log.info("dependency not in lock file, reifying", { name })
+        await reify()
+        return
+      }
+    }
+
+    log.info("dependencies in sync")
+  }
+
+  export async function which(pkg: string) {
+    const dir = directory(pkg)
+    const binDir = path.join(dir, "node_modules", ".bin")
+
+    const pick = async () => {
+      const files = await readdir(binDir).catch(() => [])
+      if (files.length === 0) return undefined
+      if (files.length === 1) return files[0]
+      // Multiple binaries — resolve from package.json bin field like npx does
+      const pkgJson = await Filesystem.readJson<{ bin?: string | Record<string, string> }>(
+        path.join(dir, "node_modules", pkg, "package.json"),
+      ).catch(() => undefined)
+      if (pkgJson?.bin) {
+        const unscoped = pkg.startsWith("@") ? pkg.split("/")[1] : pkg
+        const bin = pkgJson.bin
+        if (typeof bin === "string") return unscoped
+        const keys = Object.keys(bin)
+        if (keys.length === 1) return keys[0]
+        return bin[unscoped] ? unscoped : keys[0]
+      }
+      return files[0]
+    }
+
+    const bin = await pick()
+    if (bin) return path.join(binDir, bin)
+
+    await rm(path.join(dir, "package-lock.json"), { force: true })
+    await add(pkg)
+    const resolved = await pick()
+    if (!resolved) throw new Error(`No binary found for package "${pkg}" after install`)
+    return path.join(binDir, resolved)
+  }
+}

packages/opencode/src/permission/evaluate.ts

@@ -0,0 +1,15 @@
+import { Wildcard } from "@/util/wildcard"
+
+type Rule = {
+  permission: string
+  pattern: string
+  action: "allow" | "deny" | "ask"
+}
+
+export function evaluate(permission: string, pattern: string, ...rulesets: Rule[][]): Rule {
+  const rules = rulesets.flat()
+  const match = rules.findLast(
+    (rule) => Wildcard.match(permission, rule.permission) && Wildcard.match(pattern, rule.pattern),
+  )
+  return match ?? { action: "ask", permission, pattern: "*" }
+}

packages/opencode/src/permission/index.ts

@@ -13,6 +13,7 @@ import { Wildcard } from "@/util/wildcard"
 import { Deferred, Effect, Layer, Schema, ServiceMap } from "effect"
 import os from "os"
 import z from "zod"
+import { evaluate as evalRule } from "./evaluate"
 import { PermissionID } from "./schema"
 
 export namespace PermissionNext {
@@ -125,12 +126,8 @@ export namespace PermissionNext {
   }
 
   export function evaluate(permission: string, pattern: string, ...rulesets: Ruleset[]): Rule {
-    const rules = rulesets.flat()
-    log.info("evaluate", { permission, pattern, ruleset: rules })
-    const match = rules.findLast(
-      (rule) => Wildcard.match(permission, rule.permission) && Wildcard.match(pattern, rule.pattern),
-    )
-    return match ?? { action: "ask", permission, pattern: "*" }
+    log.info("evaluate", { permission, pattern, ruleset: rulesets.flat() })
+    return evalRule(permission, pattern, ...rulesets)
   }
 
   export class Service extends ServiceMap.Service<Service, Interface>()("@opencode/PermissionNext") {}

packages/opencode/src/plugin/codex.ts

@@ -6,6 +6,7 @@ import os from "os"
 import { ProviderTransform } from "@/provider/transform"
 import { ModelID, ProviderID } from "@/provider/schema"
 import { setTimeout as sleep } from "node:timers/promises"
+import { createServer } from "http"
 
 const log = Log.create({ service: "plugin.codex" })
 
@@ -241,7 +242,7 @@ interface PendingOAuth {
   reject: (error: Error) => void
 }
 
-let oauthServer: ReturnType<typeof Bun.serve> | undefined
+let oauthServer: ReturnType<typeof createServer> | undefined
 let pendingOAuth: PendingOAuth | undefined
 
 async function startOAuthServer(): Promise<{ port: number; redirectUri: string }> {
@@ -249,77 +250,83 @@ async function startOAuthServer(): Promise<{ port: number; redirectUri: string }
     return { port: OAUTH_PORT, redirectUri: `http://localhost:${OAUTH_PORT}/auth/callback` }
   }
 
-  oauthServer = Bun.serve({
-    port: OAUTH_PORT,
-    fetch(req) {
-      const url = new URL(req.url)
+  oauthServer = createServer((req, res) => {
+    const url = new URL(req.url || "/", `http://localhost:${OAUTH_PORT}`)
 
-      if (url.pathname === "/auth/callback") {
-        const code = url.searchParams.get("code")
-        const state = url.searchParams.get("state")
-        const error = url.searchParams.get("error")
-        const errorDescription = url.searchParams.get("error_description")
+    if (url.pathname === "/auth/callback") {
+      const code = url.searchParams.get("code")
+      const state = url.searchParams.get("state")
+      const error = url.searchParams.get("error")
+      const errorDescription = url.searchParams.get("error_description")
 
-        if (error) {
-          const errorMsg = errorDescription || error
-          pendingOAuth?.reject(new Error(errorMsg))
-          pendingOAuth = undefined
-          return new Response(HTML_ERROR(errorMsg), {
-            headers: { "Content-Type": "text/html" },
-          })
-        }
-
-        if (!code) {
-          const errorMsg = "Missing authorization code"
-          pendingOAuth?.reject(new Error(errorMsg))
-          pendingOAuth = undefined
-          return new Response(HTML_ERROR(errorMsg), {
-            status: 400,
-            headers: { "Content-Type": "text/html" },
-          })
-        }
-
-        if (!pendingOAuth || state !== pendingOAuth.state) {
-          const errorMsg = "Invalid state - potential CSRF attack"
-          pendingOAuth?.reject(new Error(errorMsg))
-          pendingOAuth = undefined
-          return new Response(HTML_ERROR(errorMsg), {
-            status: 400,
-            headers: { "Content-Type": "text/html" },
-          })
-        }
-
-        const current = pendingOAuth
+      if (error) {
+        const errorMsg = errorDescription || error
+        pendingOAuth?.reject(new Error(errorMsg))
         pendingOAuth = undefined
-
-        exchangeCodeForTokens(code, `http://localhost:${OAUTH_PORT}/auth/callback`, current.pkce)
-          .then((tokens) => current.resolve(tokens))
-          .catch((err) => current.reject(err))
-
-        return new Response(HTML_SUCCESS, {
-          headers: { "Content-Type": "text/html" },
-        })
+        res.writeHead(200, { "Content-Type": "text/html" })
+        res.end(HTML_ERROR(errorMsg))
+        return
       }
 
-      if (url.pathname === "/cancel") {
-        pendingOAuth?.reject(new Error("Login cancelled"))
+      if (!code) {
+        const errorMsg = "Missing authorization code"
+        pendingOAuth?.reject(new Error(errorMsg))
         pendingOAuth = undefined
-        return new Response("Login cancelled", { status: 200 })
+        res.writeHead(400, { "Content-Type": "text/html" })
+        res.end(HTML_ERROR(errorMsg))
+        return
       }
 
-      return new Response("Not found", { status: 404 })
-    },
+      if (!pendingOAuth || state !== pendingOAuth.state) {
+        const errorMsg = "Invalid state - potential CSRF attack"
+        pendingOAuth?.reject(new Error(errorMsg))
+        pendingOAuth = undefined
+        res.writeHead(400, { "Content-Type": "text/html" })
+        res.end(HTML_ERROR(errorMsg))
+        return
+      }
+
+      const current = pendingOAuth
+      pendingOAuth = undefined
+
+      exchangeCodeForTokens(code, `http://localhost:${OAUTH_PORT}/auth/callback`, current.pkce)
+        .then((tokens) => current.resolve(tokens))
+        .catch((err) => current.reject(err))
+
+      res.writeHead(200, { "Content-Type": "text/html" })
+      res.end(HTML_SUCCESS)
+      return
+    }
+
+    if (url.pathname === "/cancel") {
+      pendingOAuth?.reject(new Error("Login cancelled"))
+      pendingOAuth = undefined
+      res.writeHead(200)
+      res.end("Login cancelled")
+      return
+    }
+
+    res.writeHead(404)
+    res.end("Not found")
+  })
+
+  await new Promise<void>((resolve, reject) => {
+    oauthServer!.listen(OAUTH_PORT, () => {
+      log.info("codex oauth server started", { port: OAUTH_PORT })
+      resolve()
+    })
+    oauthServer!.on("error", reject)
   })
 
-  log.info("codex oauth server started", { port: OAUTH_PORT })
   return { port: OAUTH_PORT, redirectUri: `http://localhost:${OAUTH_PORT}/auth/callback` }
 }
 
 function stopOAuthServer() {
   if (oauthServer) {
-    oauthServer.stop()
+    oauthServer.close(() => {
+      log.info("codex oauth server stopped")
+    })
     oauthServer = undefined
-    log.info("codex oauth server stopped")
   }
 }
 

packages/opencode/src/plugin/index.ts

@@ -4,7 +4,7 @@ import { Bus } from "../bus"
 import { Log } from "../util/log"
 import { createOpencodeClient } from "@opencode-ai/sdk"
 import { Server } from "../server/server"
-import { BunProc } from "../bun"
+import { Npm } from "../npm"
 import { Instance } from "../project/instance"
 import { Flag } from "../flag/flag"
 import { CodexAuthPlugin } from "./codex"
@@ -30,7 +30,9 @@ export namespace Plugin {
         : undefined,
       fetch: async (...args) => Server.Default().fetch(...args),
     })
+    log.info("loading config")
     const config = await Config.get()
+    log.info("config loaded")
     const hooks: Hooks[] = []
     const input: PluginInput = {
       client,
@@ -40,7 +42,8 @@ export namespace Plugin {
       get serverUrl(): URL {
         return Server.url ?? new URL("http://localhost:4096")
       },
-      $: Bun.$,
+      // @ts-expect-error
+      $: typeof Bun === "undefined" ? undefined : Bun.$,
     }
 
     for (const plugin of INTERNAL_PLUGINS) {
@@ -59,16 +62,13 @@ export namespace Plugin {
       if (plugin.includes("opencode-openai-codex-auth") || plugin.includes("opencode-copilot-auth")) continue
       log.info("loading plugin", { path: plugin })
       if (!plugin.startsWith("file://")) {
-        const lastAtIndex = plugin.lastIndexOf("@")
-        const pkg = lastAtIndex > 0 ? plugin.substring(0, lastAtIndex) : plugin
-        const version = lastAtIndex > 0 ? plugin.substring(lastAtIndex + 1) : "latest"
-        plugin = await BunProc.install(pkg, version).catch((err) => {
+        plugin = await Npm.add(plugin).catch((err) => {
           const cause = err instanceof Error ? err.cause : err
           const detail = cause instanceof Error ? cause.message : String(cause ?? err)
-          log.error("failed to install plugin", { pkg, version, error: detail })
+          log.error("failed to install plugin", { plugin, error: detail })
           Bus.publish(Session.Event.Error, {
             error: new NamedError.Unknown({
-              message: `Failed to install plugin ${pkg}@${version}: ${detail}`,
+              message: `Failed to install plugin ${plugin}: ${detail}`,
             }).toObject(),
           })
           return ""

packages/opencode/src/provider/auth.ts

@@ -106,7 +106,7 @@ export namespace ProviderAuth {
   export const layer = Layer.effect(
     Service,
     Effect.gen(function* () {
-      const auth = yield* Auth.AuthEffect.Service
+      const auth = yield* Auth.Auth.Service
       const hooks = yield* Effect.promise(async () => {
         const mod = await import("../plugin")
         const plugins = await mod.Plugin.list()
@@ -213,7 +213,7 @@ export namespace ProviderAuth {
     }),
   )
 
-  export const defaultLayer = layer.pipe(Layer.provide(Auth.AuthEffect.layer))
+  export const defaultLayer = layer.pipe(Layer.provide(Auth.Auth.layer))
 
   export async function methods() {
     return runPromiseInstance(Service.use((svc) => svc.methods()))

packages/opencode/src/provider/provider.ts

@@ -5,7 +5,7 @@ import { Config } from "../config/config"
 import { mapValues, mergeDeep, omit, pickBy, sortBy } from "remeda"
 import { NoSuchModelError, type Provider as SDK } from "ai"
 import { Log } from "../util/log"
-import { BunProc } from "../bun"
+import { Npm } from "../npm"
 import { Hash } from "../util/hash"
 import { Plugin } from "../plugin"
 import { NamedError } from "@opencode-ai/util/error"
@@ -184,6 +184,15 @@ export namespace Provider {
         options: {},
       }
     },
+    xai: async () => {
+      return {
+        autoload: false,
+        async getModel(sdk: any, modelID: string, _options?: Record<string, any>) {
+          return sdk.responses(modelID)
+        },
+        options: {},
+      }
+    },
     "github-copilot": async () => {
       return {
         autoload: false,
@@ -1187,7 +1196,7 @@ export namespace Provider {
 
       let installedPath: string
       if (!model.api.npm.startsWith("file://")) {
-        installedPath = await BunProc.install(model.api.npm, "latest")
+        installedPath = await Npm.add(model.api.npm)
       } else {
         log.info("loading local provider", { pkg: model.api.npm })
         installedPath = model.api.npm

packages/opencode/src/pty/index.ts

@@ -23,6 +23,8 @@ export namespace Pty {
     close: (code?: number, reason?: string) => void
   }
 
+  const key = (ws: Socket) => (ws.data && typeof ws.data === "object" ? ws.data : ws)
+
   // WebSocket control frame: 0x00 + UTF-8 JSON.
   const meta = (cursor: number) => {
     const json = JSON.stringify({ cursor })
@@ -97,9 +99,9 @@ export namespace Pty {
         try {
           session.process.kill()
         } catch {}
-        for (const [key, ws] of session.subscribers.entries()) {
+        for (const [id, ws] of session.subscribers.entries()) {
           try {
-            if (ws.data === key) ws.close()
+            if (key(ws) === id) ws.close()
           } catch {
             // ignore
           }
@@ -230,9 +232,9 @@ export namespace Pty {
     try {
       session.process.kill()
     } catch {}
-    for (const [key, ws] of session.subscribers.entries()) {
+    for (const [id, ws] of session.subscribers.entries()) {
       try {
-        if (ws.data === key) ws.close()
+        if (key(ws) === id) ws.close()
       } catch {
         // ignore
       }
@@ -263,16 +265,13 @@ export namespace Pty {
     }
     log.info("client connected to session", { id })
 
-    // Use ws.data as the unique key for this connection lifecycle.
-    // If ws.data is undefined, fallback to ws object.
-    const connectionKey = ws.data && typeof ws.data === "object" ? ws.data : ws
+    const sub = key(ws)
 
-    // Optionally cleanup if the key somehow exists
-    session.subscribers.delete(connectionKey)
-    session.subscribers.set(connectionKey, ws)
+    session.subscribers.delete(sub)
+    session.subscribers.set(sub, ws)
 
     const cleanup = () => {
-      session.subscribers.delete(connectionKey)
+      session.subscribers.delete(sub)
     }
 
     const start = session.bufferCursor

packages/opencode/src/server/routes/project.ts

@@ -29,7 +29,7 @@ export const ProjectRoutes = lazy(() =>
         },
       }),
       async (c) => {
-        const projects = await Project.list()
+        const projects = Project.list()
         return c.json(projects)
       },
     )

packages/opencode/src/server/routes/pty.ts

@@ -1,15 +1,14 @@
 import { Hono } from "hono"
 import { describeRoute, validator, resolver } from "hono-openapi"
-import { upgradeWebSocket } from "hono/bun"
+import type { UpgradeWebSocket } from "hono/ws"
 import z from "zod"
 import { Pty } from "@/pty"
 import { PtyID } from "@/pty/schema"
 import { NotFoundError } from "../../storage/db"
 import { errors } from "../error"
-import { lazy } from "../../util/lazy"
 
-export const PtyRoutes = lazy(() =>
-  new Hono()
+export function PtyRoutes(upgradeWebSocket: UpgradeWebSocket) {
+  return new Hono()
     .get(
       "/",
       describeRoute({
@@ -197,5 +196,5 @@ export const PtyRoutes = lazy(() =>
           },
         }
       }),
-    ),
-)
+    )
+}

packages/opencode/src/server/server.ts

@@ -1,4 +1,7 @@
+import { streamSSE } from "hono/streaming"
 import { Log } from "../util/log"
+import { Bus } from "../bus"
+import { BusEvent } from "../bus/bus-event"
 import { describeRoute, generateSpecs, validator, resolver, openAPIRouteHandler } from "hono-openapi"
 import { Hono } from "hono"
 import { cors } from "hono/cors"
@@ -25,7 +28,7 @@ import { ProviderID } from "../provider/schema"
 import { WorkspaceRouterMiddleware } from "../control-plane/workspace-router-middleware"
 import { ProjectRoutes } from "./routes/project"
 import { SessionRoutes } from "./routes/session"
-import { PtyRoutes } from "./routes/pty"
+// import { PtyRoutes } from "./routes/pty"
 import { McpRoutes } from "./routes/mcp"
 import { FileRoutes } from "./routes/file"
 import { ConfigRoutes } from "./routes/config"
@@ -35,7 +38,8 @@ import { EventRoutes } from "./routes/event"
 import { InstanceBootstrap } from "../project/bootstrap"
 import { NotFoundError } from "../storage/db"
 import type { ContentfulStatusCode } from "hono/utils/http-status"
-import { websocket } from "hono/bun"
+import { createAdaptorServer, type ServerType } from "@hono/node-server"
+import { createNodeWebSocket } from "@hono/node-ws"
 import { HTTPException } from "hono/http-exception"
 import { errors } from "./error"
 import { Filesystem } from "@/util/filesystem"
@@ -49,13 +53,20 @@ import { lazy } from "@/util/lazy"
 globalThis.AI_SDK_LOG_WARNINGS = false
 
 export namespace Server {
-  const log = Log.create({ service: "server" })
+  export type Listener = {
+    hostname: string
+    port: number
+    url: URL
+    stop: (close?: boolean) => Promise<void>
+  }
 
-  export const Default = lazy(() => createApp({}))
+  export const Default = lazy(() => create({}).app)
 
-  export const createApp = (opts: { cors?: string[] }): Hono => {
+  function create(opts: { cors?: string[] }) {
+    const log = Log.create({ service: "server" })
     const app = new Hono()
-    return app
+    const ws = createNodeWebSocket({ app })
+    const route = app
       .onError((err, c) => {
         log.error("failed", {
           error: err,
@@ -241,7 +252,6 @@ export namespace Server {
         ),
       )
       .route("/project", ProjectRoutes())
-      .route("/pty", PtyRoutes())
       .route("/config", ConfigRoutes())
       .route("/experimental", ExperimentalRoutes())
       .route("/session", SessionRoutes())
@@ -497,22 +507,70 @@ export namespace Server {
           return c.json(await Format.status())
         },
       )
-      .all("/*", async (c) => {
-        const path = c.req.path
-
-        const response = await proxy(`https://app.opencode.ai${path}`, {
-          ...c.req,
-          headers: {
-            ...c.req.raw.headers,
-            host: "app.opencode.ai",
+      .get(
+        "/event",
+        describeRoute({
+          summary: "Subscribe to events",
+          description: "Get events",
+          operationId: "event.subscribe",
+          responses: {
+            200: {
+              description: "Event stream",
+              content: {
+                "text/event-stream": {
+                  schema: resolver(BusEvent.payloads()),
+                },
+              },
+            },
           },
-        })
-        response.headers.set(
-          "Content-Security-Policy",
-          "default-src 'self'; script-src 'self' 'wasm-unsafe-eval'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self' data:; media-src 'self' data:; connect-src 'self' data:",
-        )
-        return response
-      })
+        }),
+        async (c) => {
+          log.info("event connected")
+          c.header("X-Accel-Buffering", "no")
+          c.header("X-Content-Type-Options", "nosniff")
+          return streamSSE(c, async (stream) => {
+            stream.writeSSE({
+              data: JSON.stringify({
+                type: "server.connected",
+                properties: {},
+              }),
+            })
+            const unsub = Bus.subscribeAll(async (event) => {
+              await stream.writeSSE({
+                data: JSON.stringify(event),
+              })
+              if (event.type === Bus.InstanceDisposed.type) {
+                stream.close()
+              }
+            })
+
+            // Send heartbeat every 10s to prevent stalled proxy streams.
+            const heartbeat = setInterval(() => {
+              stream.writeSSE({
+                data: JSON.stringify({
+                  type: "server.heartbeat",
+                  properties: {},
+                }),
+              })
+            }, 10_000)
+
+            await new Promise<void>((resolve) => {
+              stream.onAbort(() => {
+                clearInterval(heartbeat)
+                unsub()
+                resolve()
+                log.info("event disconnected")
+              })
+            })
+          })
+        },
+      )
+    // .route("/pty", PtyRoutes(ws.upgradeWebSocket))
+
+    return {
+      app: route as Hono,
+      ws,
+    }
   }
 
   export async function openapi() {
@@ -530,52 +588,89 @@ export namespace Server {
     return result
   }
 
-  /** @deprecated do not use this dumb shit */
   export let url: URL
 
-  export function listen(opts: {
+  export async function listen(opts: {
     port: number
     hostname: string
     mdns?: boolean
     mdnsDomain?: string
     cors?: string[]
-  }) {
-    url = new URL(`http://${opts.hostname}:${opts.port}`)
-    const app = createApp(opts)
-    const args = {
-      hostname: opts.hostname,
-      idleTimeout: 0,
-      fetch: app.fetch,
-      websocket: websocket,
-    } as const
-    const tryServe = (port: number) => {
-      try {
-        return Bun.serve({ ...args, port })
-      } catch {
-        return undefined
-      }
+  }): Promise<Listener> {
+    const log = Log.create({ service: "server" })
+    const built = create({
+      ...opts,
+    })
+    const start = (port: number) =>
+      new Promise<ServerType>((resolve, reject) => {
+        const server = createAdaptorServer({ fetch: built.app.fetch })
+        built.ws.injectWebSocket(server)
+        const fail = (err: Error) => {
+          cleanup()
+          reject(err)
+        }
+        const ready = () => {
+          cleanup()
+          resolve(server)
+        }
+        const cleanup = () => {
+          server.off("error", fail)
+          server.off("listening", ready)
+        }
+        server.once("error", fail)
+        server.once("listening", ready)
+        server.listen(port, opts.hostname)
+      })
+
+    const server = opts.port === 0 ? await start(4096).catch(() => start(0)) : await start(opts.port)
+    const addr = server.address()
+    if (!addr || typeof addr === "string") {
+      throw new Error(`Failed to resolve server address for port ${opts.port}`)
     }
-    const server = opts.port === 0 ? (tryServe(4096) ?? tryServe(0)) : tryServe(opts.port)
-    if (!server) throw new Error(`Failed to start server on port ${opts.port}`)
+
+    const url = new URL("http://localhost")
+    url.hostname = opts.hostname
+    url.port = String(addr.port)
+    Server.url = url
 
     const shouldPublishMDNS =
       opts.mdns &&
-      server.port &&
+      addr.port &&
       opts.hostname !== "127.0.0.1" &&
       opts.hostname !== "localhost" &&
       opts.hostname !== "::1"
     if (shouldPublishMDNS) {
-      MDNS.publish(server.port!, opts.mdnsDomain)
+      MDNS.publish(addr.port, opts.mdnsDomain)
     } else if (opts.mdns) {
       log.warn("mDNS enabled but hostname is loopback; skipping mDNS publish")
     }
 
-    const originalStop = server.stop.bind(server)
-    server.stop = async (closeActiveConnections?: boolean) => {
-      if (shouldPublishMDNS) MDNS.unpublish()
-      return originalStop(closeActiveConnections)
+    let closing: Promise<void> | undefined
+    return {
+      hostname: opts.hostname,
+      port: addr.port,
+      url,
+      stop(close?: boolean) {
+        closing ??= new Promise((resolve, reject) => {
+          if (shouldPublishMDNS) MDNS.unpublish()
+          server.close((err) => {
+            if (err) {
+              reject(err)
+              return
+            }
+            resolve()
+          })
+          if (close) {
+            if ("closeAllConnections" in server && typeof server.closeAllConnections === "function") {
+              server.closeAllConnections()
+            }
+            if ("closeIdleConnections" in server && typeof server.closeIdleConnections === "function") {
+              server.closeIdleConnections()
+            }
+          }
+        })
+        return closing
+      },
     }
-
-    return server
   }
 }

packages/opencode/src/session/message-v2.ts

@@ -13,7 +13,7 @@ import { STATUS_CODES } from "http"
 import { Storage } from "@/storage/storage"
 import { ProviderError } from "@/provider/error"
 import { iife } from "@/util/iife"
-import { type SystemError } from "bun"
+import type { SystemError } from "bun"
 import type { Provider } from "@/provider/provider"
 import { ModelID, ProviderID } from "@/provider/schema"
 

packages/opencode/src/session/prompt.ts

@@ -28,11 +28,11 @@ import { MCP } from "../mcp"
 import { LSP } from "../lsp"
 import { ReadTool } from "../tool/read"
 import { FileTime } from "../file/time"
+import { NotFoundError } from "@/storage/db"
 import { Flag } from "../flag/flag"
 import { ulid } from "ulid"
 import { spawn } from "child_process"
 import { Command } from "../command"
-import { $ } from "bun"
 import { pathToFileURL, fileURLToPath } from "url"
 import { ConfigMarkdown } from "../config/markdown"
 import { SessionSummary } from "./summary"
@@ -48,6 +48,7 @@ import { iife } from "@/util/iife"
 import { Shell } from "@/shell/shell"
 import { Truncate } from "@/tool/truncate"
 import { decodeDataUrl } from "@/util/data-url"
+import { Process } from "@/util/process"
 
 // @ts-ignore
 globalThis.AI_SDK_LOG_WARNINGS = false
@@ -318,11 +319,7 @@ export namespace SessionPrompt {
       }
 
       if (!lastUser) throw new Error("No user message found in stream. This should never happen.")
-      if (
-        lastAssistant?.finish &&
-        !["tool-calls", "unknown"].includes(lastAssistant.finish) &&
-        lastUser.id < lastAssistant.id
-      ) {
+      if (shouldExitLoop(lastUser, lastAssistant)) {
         log.info("exiting loop", { sessionID })
         break
       }
@@ -1812,15 +1809,13 @@ NOTE: At any point in time through this workflow you should feel free to ask the
       template = template + "\n\n" + input.arguments
     }
 
-    const shell = ConfigMarkdown.shell(template)
-    if (shell.length > 0) {
+    const shellMatches = ConfigMarkdown.shell(template)
+    if (shellMatches.length > 0) {
+      const sh = Shell.preferred()
       const results = await Promise.all(
-        shell.map(async ([, cmd]) => {
-          try {
-            return await $`${{ raw: cmd }}`.quiet().nothrow().text()
-          } catch (error) {
-            return `Error executing command: ${error instanceof Error ? error.message : String(error)}`
-          }
+        shellMatches.map(async ([, cmd]) => {
+          const out = await Process.text([cmd], { shell: sh, nothrow: true })
+          return out.text
         }),
       )
       let index = 0
@@ -1990,7 +1985,21 @@ NOTE: At any point in time through this workflow you should feel free to ask the
       if (!cleaned) return
 
       const title = cleaned.length > 100 ? cleaned.substring(0, 97) + "..." : cleaned
-      return Session.setTitle({ sessionID: input.session.id, title })
+      return Session.setTitle({ sessionID: input.session.id, title }).catch((err) => {
+        if (NotFoundError.isInstance(err)) return
+        throw err
+      })
     }
   }
+
+  /** @internal Exported for testing — determines whether the prompt loop should exit */
+  export function shouldExitLoop(
+    lastUser: MessageV2.User | undefined,
+    lastAssistant: MessageV2.Assistant | undefined,
+  ): boolean {
+    if (!lastUser) return false
+    if (!lastAssistant?.finish) return false
+    if (["tool-calls", "unknown"].includes(lastAssistant.finish)) return false
+    return lastAssistant.parentID === lastUser.id
+  }
 }

packages/opencode/src/session/summary.ts

@@ -9,6 +9,7 @@ import { Snapshot } from "@/snapshot"
 
 import { Storage } from "@/storage/storage"
 import { Bus } from "@/bus"
+import { NotFoundError } from "@/storage/db"
 
 export namespace SessionSummary {
   function unquoteGitPath(input: string) {
@@ -73,11 +74,17 @@ export namespace SessionSummary {
       messageID: MessageID.zod,
     }),
     async (input) => {
-      const all = await Session.messages({ sessionID: input.sessionID })
-      await Promise.all([
-        summarizeSession({ sessionID: input.sessionID, messages: all }),
-        summarizeMessage({ messageID: input.messageID, messages: all }),
-      ])
+      await Session.messages({ sessionID: input.sessionID })
+        .then((all) =>
+          Promise.all([
+            summarizeSession({ sessionID: input.sessionID, messages: all }),
+            summarizeMessage({ messageID: input.messageID, messages: all }),
+          ]),
+        )
+        .catch((err) => {
+          if (NotFoundError.isInstance(err)) return
+          throw err
+        })
     },
   )
 
@@ -102,7 +109,8 @@ export namespace SessionSummary {
     const messages = input.messages.filter(
       (m) => m.info.id === input.messageID || (m.info.role === "assistant" && m.info.parentID === input.messageID),
     )
-    const msgWithParts = messages.find((m) => m.info.id === input.messageID)!
+    const msgWithParts = messages.find((m) => m.info.id === input.messageID)
+    if (!msgWithParts) return
     const userMsg = msgWithParts.info as MessageV2.User
     const diffs = await computeDiff({ messages })
     userMsg.summary = {

packages/opencode/src/tool/apply_patch.ts

@@ -10,6 +10,7 @@ import { createTwoFilesPatch, diffLines } from "diff"
 import { assertExternalDirectory } from "./external-directory"
 import { trimDiff } from "./edit"
 import { LSP } from "../lsp"
+import { Format } from "../format"
 import { Filesystem } from "../util/filesystem"
 import DESCRIPTION from "./apply_patch.txt"
 import { File } from "../file"
@@ -220,6 +221,7 @@ export const ApplyPatchTool = Tool.define("apply_patch", {
       }
 
       if (edited) {
+        await Format.run(edited)
         await Bus.publish(File.Event.Edited, {
           file: edited,
         })

packages/opencode/src/tool/edit.ts

@@ -13,6 +13,7 @@ import { File } from "../file"
 import { FileWatcher } from "../file/watcher"
 import { Bus } from "../bus"
 import { FileTime } from "../file/time"
+import { Format } from "../format"
 import { Filesystem } from "../util/filesystem"
 import { Instance } from "../project/instance"
 import { Snapshot } from "@/snapshot"
@@ -71,6 +72,7 @@ export const EditTool = Tool.define("edit", {
           },
         })
         await Filesystem.write(filePath, params.newString)
+        await Format.run(filePath)
         await Bus.publish(File.Event.Edited, {
           file: filePath,
         })
@@ -108,6 +110,7 @@ export const EditTool = Tool.define("edit", {
       })
 
       await Filesystem.write(filePath, contentNew)
+      await Format.run(filePath)
       await Bus.publish(File.Event.Edited, {
         file: filePath,
       })

packages/opencode/src/tool/registry.ts

@@ -14,6 +14,7 @@ import { InvalidTool } from "./invalid"
 import { SkillTool } from "./skill"
 import type { Agent } from "../agent/agent"
 import { Tool } from "./tool"
+import { Instance } from "../project/instance"
 import { Config } from "../config/config"
 import path from "path"
 import { type ToolContext as PluginToolContext, type ToolDefinition } from "@opencode-ai/plugin"
@@ -30,181 +31,102 @@ import { Truncate } from "./truncate"
 import { ApplyPatchTool } from "./apply_patch"
 import { Glob } from "../util/glob"
 import { pathToFileURL } from "url"
-import { Effect, Fiber, Layer, ServiceMap } from "effect"
-import { InstanceContext } from "@/effect/instance-context"
-import { runPromiseInstance } from "@/effect/runtime"
 
 export namespace ToolRegistry {
   const log = Log.create({ service: "tool.registry" })
 
-  export interface Interface {
-    readonly register: (tool: Tool.Info) => Effect.Effect<void>
-    readonly ids: () => Effect.Effect<string[]>
-    readonly tools: (
-      model: { providerID: ProviderID; modelID: ModelID },
-      agent?: Agent.Info,
-    ) => Effect.Effect<(Awaited<ReturnType<Tool.Info["init"]>> & { id: string })[]>
+  export const state = Instance.state(async () => {
+    const custom = [] as Tool.Info[]
+
+    const matches = await Config.directories().then((dirs) =>
+      dirs.flatMap((dir) =>
+        Glob.scanSync("{tool,tools}/*.{js,ts}", { cwd: dir, absolute: true, dot: true, symlink: true }),
+      ),
+    )
+    if (matches.length) await Config.waitForDependencies()
+    for (const match of matches) {
+      const namespace = path.basename(match, path.extname(match))
+      const mod = await import(process.platform === "win32" ? match : pathToFileURL(match).href)
+      for (const [id, def] of Object.entries<ToolDefinition>(mod)) {
+        custom.push(fromPlugin(id === "default" ? namespace : `${namespace}_${id}`, def))
+      }
+    }
+
+    const plugins = await Plugin.list()
+    for (const plugin of plugins) {
+      for (const [id, def] of Object.entries(plugin.tool ?? {})) {
+        custom.push(fromPlugin(id, def))
+      }
+    }
+
+    return { custom }
+  })
+
+  function fromPlugin(id: string, def: ToolDefinition): Tool.Info {
+    return {
+      id,
+      init: async (initCtx) => ({
+        parameters: z.object(def.args),
+        description: def.description,
+        execute: async (args, ctx) => {
+          const pluginCtx = {
+            ...ctx,
+            directory: Instance.directory,
+            worktree: Instance.worktree,
+          } as unknown as PluginToolContext
+          const result = await def.execute(args as any, pluginCtx)
+          const out = await Truncate.output(result, {}, initCtx?.agent)
+          return {
+            title: "",
+            output: out.truncated ? out.content : result,
+            metadata: { truncated: out.truncated, outputPath: out.truncated ? out.outputPath : undefined },
+          }
+        },
+      }),
+    }
   }
 
-  export class Service extends ServiceMap.Service<Service, Interface>()("@opencode/ToolRegistry") {}
-
-  export const layer = Layer.effect(
-    Service,
-    Effect.gen(function* () {
-      const instance = yield* InstanceContext
-
-      const custom: Tool.Info[] = []
-
-      const load = Effect.fn("ToolRegistry.load")(function* () {
-        yield* Effect.promise(async () => {
-          const matches = await Config.directories().then((dirs) =>
-            dirs.flatMap((dir) =>
-              Glob.scanSync("{tool,tools}/*.{js,ts}", { cwd: dir, absolute: true, dot: true, symlink: true }),
-            ),
-          )
-          if (matches.length) await Config.waitForDependencies()
-          for (const match of matches) {
-            const namespace = path.basename(match, path.extname(match))
-            const mod = await import(pathToFileURL(match).href)
-            for (const [id, def] of Object.entries<ToolDefinition>(mod)) {
-              custom.push(fromPlugin(id === "default" ? namespace : `${namespace}_${id}`, def))
-            }
-          }
-
-          const plugins = await Plugin.list()
-          for (const plugin of plugins) {
-            for (const [id, def] of Object.entries(plugin.tool ?? {})) {
-              custom.push(fromPlugin(id, def))
-            }
-          }
-        })
-      })
-
-      const loadFiber = yield* load().pipe(
-        Effect.catchCause((cause) => Effect.sync(() => log.error("init failed", { cause }))),
-        Effect.forkScoped,
-      )
-
-      function fromPlugin(id: string, def: ToolDefinition): Tool.Info {
-        return {
-          id,
-          init: async (initCtx) => ({
-            parameters: z.object(def.args),
-            description: def.description,
-            execute: async (args, ctx) => {
-              const pluginCtx = {
-                ...ctx,
-                directory: instance.directory,
-                worktree: instance.worktree,
-              } as unknown as PluginToolContext
-              const result = await def.execute(args as any, pluginCtx)
-              const out = await Truncate.output(result, {}, initCtx?.agent)
-              return {
-                title: "",
-                output: out.truncated ? out.content : result,
-                metadata: { truncated: out.truncated, outputPath: out.truncated ? out.outputPath : undefined },
-              }
-            },
-          }),
-        }
-      }
-
-      async function all(): Promise<Tool.Info[]> {
-        const config = await Config.get()
-        const question = ["app", "cli", "desktop"].includes(Flag.OPENCODE_CLIENT) || Flag.OPENCODE_ENABLE_QUESTION_TOOL
-
-        return [
-          InvalidTool,
-          ...(question ? [QuestionTool] : []),
-          BashTool,
-          ReadTool,
-          GlobTool,
-          GrepTool,
-          EditTool,
-          WriteTool,
-          TaskTool,
-          WebFetchTool,
-          TodoWriteTool,
-          // TodoReadTool,
-          WebSearchTool,
-          CodeSearchTool,
-          SkillTool,
-          ApplyPatchTool,
-          ...(Flag.OPENCODE_EXPERIMENTAL_LSP_TOOL ? [LspTool] : []),
-          ...(config.experimental?.batch_tool === true ? [BatchTool] : []),
-          ...(Flag.OPENCODE_EXPERIMENTAL_PLAN_MODE && Flag.OPENCODE_CLIENT === "cli" ? [PlanExitTool] : []),
-          ...custom,
-        ]
-      }
-
-      const register = Effect.fn("ToolRegistry.register")(function* (tool: Tool.Info) {
-        yield* Fiber.join(loadFiber)
-        const idx = custom.findIndex((t) => t.id === tool.id)
-        if (idx >= 0) {
-          custom.splice(idx, 1, tool)
-          return
-        }
-        custom.push(tool)
-      })
-
-      const ids = Effect.fn("ToolRegistry.ids")(function* () {
-        yield* Fiber.join(loadFiber)
-        const tools = yield* Effect.promise(() => all())
-        return tools.map((t) => t.id)
-      })
-
-      const tools = Effect.fn("ToolRegistry.tools")(function* (
-        model: { providerID: ProviderID; modelID: ModelID },
-        agent?: Agent.Info,
-      ) {
-        yield* Fiber.join(loadFiber)
-        const allTools = yield* Effect.promise(() => all())
-        return yield* Effect.promise(() =>
-          Promise.all(
-            allTools
-              .filter((t) => {
-                // Enable websearch/codesearch for zen users OR via enable flag
-                if (t.id === "codesearch" || t.id === "websearch") {
-                  return model.providerID === ProviderID.opencode || Flag.OPENCODE_ENABLE_EXA
-                }
-
-                // use apply tool in same format as codex
-                const usePatch =
-                  model.modelID.includes("gpt-") && !model.modelID.includes("oss") && !model.modelID.includes("gpt-4")
-                if (t.id === "apply_patch") return usePatch
-                if (t.id === "edit" || t.id === "write") return !usePatch
-
-                return true
-              })
-              .map(async (t) => {
-                using _ = log.time(t.id)
-                const tool = await t.init({ agent })
-                const output = {
-                  description: tool.description,
-                  parameters: tool.parameters,
-                }
-                await Plugin.trigger("tool.definition", { toolID: t.id }, output)
-                return {
-                  id: t.id,
-                  ...tool,
-                  description: output.description,
-                  parameters: output.parameters,
-                }
-              }),
-          ),
-        )
-      })
-
-      return Service.of({ register, ids, tools })
-    }),
-  )
-
   export async function register(tool: Tool.Info) {
-    return runPromiseInstance(Service.use((svc) => svc.register(tool)))
+    const { custom } = await state()
+    const idx = custom.findIndex((t) => t.id === tool.id)
+    if (idx >= 0) {
+      custom.splice(idx, 1, tool)
+      return
+    }
+    custom.push(tool)
+  }
+
+  async function all(): Promise<Tool.Info[]> {
+    const custom = await state().then((x) => x.custom)
+    const config = await Config.get()
+    const question = ["app", "cli", "desktop"].includes(Flag.OPENCODE_CLIENT) || Flag.OPENCODE_ENABLE_QUESTION_TOOL
+
+    return [
+      InvalidTool,
+      ...(question ? [QuestionTool] : []),
+      BashTool,
+      ReadTool,
+      GlobTool,
+      GrepTool,
+      EditTool,
+      WriteTool,
+      TaskTool,
+      WebFetchTool,
+      TodoWriteTool,
+      // TodoReadTool,
+      WebSearchTool,
+      CodeSearchTool,
+      SkillTool,
+      ApplyPatchTool,
+      ...(Flag.OPENCODE_EXPERIMENTAL_LSP_TOOL ? [LspTool] : []),
+      ...(config.experimental?.batch_tool === true ? [BatchTool] : []),
+      ...(Flag.OPENCODE_EXPERIMENTAL_PLAN_MODE && Flag.OPENCODE_CLIENT === "cli" ? [PlanExitTool] : []),
+      ...custom,
+    ]
   }
 
   export async function ids() {
-    return runPromiseInstance(Service.use((svc) => svc.ids()))
+    return all().then((x) => x.map((t) => t.id))
   }
 
   export async function tools(
@@ -214,6 +136,39 @@ export namespace ToolRegistry {
     },
     agent?: Agent.Info,
   ) {
-    return runPromiseInstance(Service.use((svc) => svc.tools(model, agent)))
+    const tools = await all()
+    const result = await Promise.all(
+      tools
+        .filter((t) => {
+          // Enable websearch/codesearch for zen users OR via enable flag
+          if (t.id === "codesearch" || t.id === "websearch") {
+            return model.providerID === ProviderID.opencode || Flag.OPENCODE_ENABLE_EXA
+          }
+
+          // use apply tool in same format as codex
+          const usePatch =
+            model.modelID.includes("gpt-") && !model.modelID.includes("oss") && !model.modelID.includes("gpt-4")
+          if (t.id === "apply_patch") return usePatch
+          if (t.id === "edit" || t.id === "write") return !usePatch
+
+          return true
+        })
+        .map(async (t) => {
+          using _ = log.time(t.id)
+          const tool = await t.init({ agent })
+          const output = {
+            description: tool.description,
+            parameters: tool.parameters,
+          }
+          await Plugin.trigger("tool.definition", { toolID: t.id }, output)
+          return {
+            id: t.id,
+            ...tool,
+            description: output.description,
+            parameters: output.parameters,
+          }
+        }),
+    )
+    return result
   }
 }

packages/opencode/src/tool/truncate-effect.ts

@@ -3,13 +3,13 @@ import { Cause, Duration, Effect, Layer, Schedule, ServiceMap } from "effect"
 import path from "path"
 import type { Agent } from "../agent/agent"
 import { AppFileSystem } from "@/filesystem"
-import { PermissionNext } from "../permission"
+import { evaluate } from "@/permission/evaluate"
 import { Identifier } from "../id/id"
 import { Log } from "../util/log"
 import { ToolID } from "./schema"
 import { TRUNCATION_DIR } from "./truncation-dir"
 
-export namespace TruncateEffect {
+export namespace Truncate {
   const log = Log.create({ service: "truncation" })
   const RETENTION = Duration.days(7)
 
@@ -28,7 +28,7 @@ export namespace TruncateEffect {
 
   function hasTaskTool(agent?: Agent.Info) {
     if (!agent?.permission) return false
-    return PermissionNext.evaluate("task", "*", agent.permission).action !== "deny"
+    return evaluate("task", "*", agent.permission).action !== "deny"
   }
 
   export interface Interface {

packages/opencode/src/tool/truncate.ts

@@ -1,6 +1,6 @@
 import type { Agent } from "../agent/agent"
 import { runtime } from "@/effect/runtime"
-import { TruncateEffect as S } from "./truncate-effect"
+import { Truncate as S } from "./truncate-effect"
 
 export namespace Truncate {
   export const MAX_LINES = S.MAX_LINES

packages/opencode/src/tool/write.ts

@@ -8,6 +8,7 @@ import { Bus } from "../bus"
 import { File } from "../file"
 import { FileWatcher } from "../file/watcher"
 import { FileTime } from "../file/time"
+import { Format } from "../format"
 import { Filesystem } from "../util/filesystem"
 import { Instance } from "../project/instance"
 import { trimDiff } from "./edit"
@@ -42,6 +43,7 @@ export const WriteTool = Tool.define("write", {
     })
 
     await Filesystem.write(filepath, params.content)
+    await Format.run(filepath)
     await Bus.publish(File.Event.Edited, {
       file: filepath,
     })

packages/opencode/src/util/process.ts

@@ -61,9 +61,9 @@ export namespace Process {
 
     const proc = launch(cmd[0], cmd.slice(1), {
       cwd: opts.cwd,
+      shell: opts.shell,
       env: opts.env === null ? {} : opts.env ? { ...process.env, ...opts.env } : undefined,
       stdio: [opts.stdin ?? "ignore", opts.stdout ?? "ignore", opts.stderr ?? "ignore"],
-      shell: opts.shell,
       windowsHide: process.platform === "win32",
     })
 

packages/opencode/src/util/which.ts

@@ -1,9 +1,13 @@
 import whichPkg from "which"
+import path from "path"
+import { Global } from "../global"
 
 export function which(cmd: string, env?: NodeJS.ProcessEnv) {
+  const base = env?.PATH ?? env?.Path ?? process.env.PATH ?? process.env.Path ?? ""
+  const full = base ? base + path.delimiter + Global.Path.bin : Global.Path.bin
   const result = whichPkg.sync(cmd, {
     nothrow: true,
-    path: env?.PATH ?? env?.Path ?? process.env.PATH ?? process.env.Path,
+    path: full,
     pathExt: env?.PATHEXT ?? env?.PathExt ?? process.env.PATHEXT ?? process.env.PathExt,
   })
   return typeof result === "string" ? result : null

packages/opencode/test/account/service.test.ts

@@ -3,7 +3,7 @@ import { Duration, Effect, Layer, Option, Schema } from "effect"
 import { HttpClient, HttpClientResponse } from "effect/unstable/http"
 
 import { AccountRepo } from "../../src/account/repo"
-import { AccountEffect } from "../../src/account/effect"
+import { Account } from "../../src/account/effect"
 import { AccessToken, AccountID, DeviceCode, Login, Org, OrgID, RefreshToken, UserCode } from "../../src/account/schema"
 import { Database } from "../../src/storage/db"
 import { testEffect } from "../lib/effect"
@@ -19,7 +19,7 @@ const truncate = Layer.effectDiscard(
 const it = testEffect(Layer.merge(AccountRepo.layer, truncate))
 
 const live = (client: HttpClient.HttpClient) =>
-  AccountEffect.layer.pipe(Layer.provide(Layer.succeed(HttpClient.HttpClient, client)))
+  Account.layer.pipe(Layer.provide(Layer.succeed(HttpClient.HttpClient, client)))
 
 const json = (req: Parameters<typeof HttpClientResponse.fromWeb>[0], body: unknown, status = 200) =>
   HttpClientResponse.fromWeb(
@@ -52,7 +52,7 @@ const deviceTokenClient = (body: unknown, status = 400) =>
   )
 
 const poll = (body: unknown, status = 400) =>
-  AccountEffect.Service.use((s) => s.poll(login())).pipe(Effect.provide(live(deviceTokenClient(body, status))))
+  Account.Service.use((s) => s.poll(login())).pipe(Effect.provide(live(deviceTokenClient(body, status))))
 
 it.effect("orgsByAccount groups orgs per account", () =>
   Effect.gen(function* () {
@@ -97,7 +97,7 @@ it.effect("orgsByAccount groups orgs per account", () =>
       }),
     )
 
-    const rows = yield* AccountEffect.Service.use((s) => s.orgsByAccount()).pipe(Effect.provide(live(client)))
+    const rows = yield* Account.Service.use((s) => s.orgsByAccount()).pipe(Effect.provide(live(client)))
 
     expect(rows.map((row) => [row.account.id, row.orgs.map((org) => org.id)]).map(([id, orgs]) => [id, orgs])).toEqual([
       [AccountID.make("user-1"), [OrgID.make("org-1")]],
@@ -135,7 +135,7 @@ it.effect("token refresh persists the new token", () =>
       ),
     )
 
-    const token = yield* AccountEffect.Service.use((s) => s.token(id)).pipe(Effect.provide(live(client)))
+    const token = yield* Account.Service.use((s) => s.token(id)).pipe(Effect.provide(live(client)))
 
     expect(Option.getOrThrow(token)).toBeDefined()
     expect(String(Option.getOrThrow(token))).toBe("at_new")
@@ -178,7 +178,7 @@ it.effect("config sends the selected org header", () =>
       }),
     )
 
-    const cfg = yield* AccountEffect.Service.use((s) => s.config(id, OrgID.make("org-9"))).pipe(
+    const cfg = yield* Account.Service.use((s) => s.config(id, OrgID.make("org-9"))).pipe(
       Effect.provide(live(client)),
     )
 
@@ -209,7 +209,7 @@ it.effect("poll stores the account and first org on success", () =>
       ),
     )
 
-    const res = yield* AccountEffect.Service.use((s) => s.poll(login())).pipe(Effect.provide(live(client)))
+    const res = yield* Account.Service.use((s) => s.poll(login())).pipe(Effect.provide(live(client)))
 
     expect(res._tag).toBe("PollSuccess")
     if (res._tag === "PollSuccess") {

packages/opencode/test/agent/agent.test.ts

@@ -38,7 +38,7 @@ test("build agent has correct default properties", async () => {
       expect(build).toBeDefined()
       expect(build?.mode).toBe("primary")
       expect(build?.native).toBe(true)
-      expect(evalPerm(build, "edit")).toBe("allow")
+      expect(evalPerm(build, "edit")).toBe("ask")
       expect(evalPerm(build, "bash")).toBe("allow")
     },
   })
@@ -217,8 +217,8 @@ test("agent permission config merges with defaults", async () => {
       expect(build).toBeDefined()
       // Specific pattern is denied
       expect(PermissionNext.evaluate("bash", "rm -rf *", build!.permission).action).toBe("deny")
-      // Edit still allowed
-      expect(evalPerm(build, "edit")).toBe("allow")
+      // Edit still asks (default behavior)
+      expect(evalPerm(build, "edit")).toBe("ask")
     },
   })
 })

packages/opencode/test/bun.test.ts

@@ -1,53 +0,0 @@
-import { describe, expect, test } from "bun:test"
-import fs from "fs/promises"
-import path from "path"
-
-describe("BunProc registry configuration", () => {
-  test("should not contain hardcoded registry parameters", async () => {
-    // Read the bun/index.ts file
-    const bunIndexPath = path.join(__dirname, "../src/bun/index.ts")
-    const content = await fs.readFile(bunIndexPath, "utf-8")
-
-    // Verify that no hardcoded registry is present
-    expect(content).not.toContain("--registry=")
-    expect(content).not.toContain("hasNpmRcConfig")
-    expect(content).not.toContain("NpmRc")
-  })
-
-  test("should use Bun's default registry resolution", async () => {
-    // Read the bun/index.ts file
-    const bunIndexPath = path.join(__dirname, "../src/bun/index.ts")
-    const content = await fs.readFile(bunIndexPath, "utf-8")
-
-    // Verify that it uses Bun's default resolution
-    expect(content).toContain("Bun's default registry resolution")
-    expect(content).toContain("Bun will use them automatically")
-    expect(content).toContain("No need to pass --registry flag")
-  })
-
-  test("should have correct command structure without registry", async () => {
-    // Read the bun/index.ts file
-    const bunIndexPath = path.join(__dirname, "../src/bun/index.ts")
-    const content = await fs.readFile(bunIndexPath, "utf-8")
-
-    // Extract the install function
-    const installFunctionMatch = content.match(/export async function install[\s\S]*?^  }/m)
-    expect(installFunctionMatch).toBeTruthy()
-
-    if (installFunctionMatch) {
-      const installFunction = installFunctionMatch[0]
-
-      // Verify expected arguments are present
-      expect(installFunction).toContain('"add"')
-      expect(installFunction).toContain('"--force"')
-      expect(installFunction).toContain('"--exact"')
-      expect(installFunction).toContain('"--cwd"')
-      expect(installFunction).toContain("Global.Path.cache")
-      expect(installFunction).toContain('pkg + "@" + version')
-
-      // Verify no registry argument is added
-      expect(installFunction).not.toContain('"--registry"')
-      expect(installFunction).not.toContain('args.push("--registry')
-    }
-  })
-})

packages/opencode/test/bus/bus.test.ts

@@ -0,0 +1,372 @@
+import { afterEach, describe, expect, test } from "bun:test"
+import { Deferred, Effect, Stream } from "effect"
+import z from "zod"
+import { Bus } from "../../src/bus"
+import { BusEvent } from "../../src/bus/bus-event"
+import { GlobalBus } from "../../src/bus/global"
+import { Instance } from "../../src/project/instance"
+import { tmpdir } from "../fixture/fixture"
+
+// ---------------------------------------------------------------------------
+// Test event definitions
+// ---------------------------------------------------------------------------
+
+const TestEvent = {
+  Ping: BusEvent.define("test.ping", z.object({ value: z.number() })),
+  Pong: BusEvent.define("test.pong", z.object({ message: z.string() })),
+}
+
+// ---------------------------------------------------------------------------
+// Helpers
+// ---------------------------------------------------------------------------
+
+function withInstance(directory: string, fn: () => Promise<void>) {
+  return Instance.provide({ directory, fn })
+}
+
+// ---------------------------------------------------------------------------
+// Tests
+// ---------------------------------------------------------------------------
+
+describe("Bus", () => {
+  afterEach(() => Instance.disposeAll())
+
+  describe("publish + subscribe", () => {
+    test("subscriber receives matching events", async () => {
+      await using tmp = await tmpdir()
+      const received: number[] = []
+
+      await withInstance(tmp.path, async () => {
+        Bus.subscribe(TestEvent.Ping, (evt) => {
+          received.push(evt.properties.value)
+        })
+        await Bus.publish(TestEvent.Ping, { value: 42 })
+        await Bus.publish(TestEvent.Ping, { value: 99 })
+      })
+
+      expect(received).toEqual([42, 99])
+    })
+
+    test("subscriber does not receive events of other types", async () => {
+      await using tmp = await tmpdir()
+      const pings: number[] = []
+
+      await withInstance(tmp.path, async () => {
+        Bus.subscribe(TestEvent.Ping, (evt) => {
+          pings.push(evt.properties.value)
+        })
+        await Bus.publish(TestEvent.Pong, { message: "hello" })
+        await Bus.publish(TestEvent.Ping, { value: 1 })
+      })
+
+      expect(pings).toEqual([1])
+    })
+
+    test("publish with no subscribers does not throw", async () => {
+      await using tmp = await tmpdir()
+
+      await withInstance(tmp.path, async () => {
+        await Bus.publish(TestEvent.Ping, { value: 1 })
+      })
+    })
+  })
+
+  describe("multiple subscribers", () => {
+    test("all subscribers for same event type are called", async () => {
+      await using tmp = await tmpdir()
+      const a: number[] = []
+      const b: number[] = []
+
+      await withInstance(tmp.path, async () => {
+        Bus.subscribe(TestEvent.Ping, (evt) => a.push(evt.properties.value))
+        Bus.subscribe(TestEvent.Ping, (evt) => b.push(evt.properties.value))
+        await Bus.publish(TestEvent.Ping, { value: 7 })
+      })
+
+      expect(a).toEqual([7])
+      expect(b).toEqual([7])
+    })
+
+    test("subscribers are called in registration order", async () => {
+      await using tmp = await tmpdir()
+      const order: string[] = []
+
+      await withInstance(tmp.path, async () => {
+        Bus.subscribe(TestEvent.Ping, () => order.push("first"))
+        Bus.subscribe(TestEvent.Ping, () => order.push("second"))
+        Bus.subscribe(TestEvent.Ping, () => order.push("third"))
+        await Bus.publish(TestEvent.Ping, { value: 0 })
+      })
+
+      expect(order).toEqual(["first", "second", "third"])
+    })
+  })
+
+  describe("unsubscribe", () => {
+    test("unsubscribe stops delivery", async () => {
+      await using tmp = await tmpdir()
+      const received: number[] = []
+
+      await withInstance(tmp.path, async () => {
+        const unsub = Bus.subscribe(TestEvent.Ping, (evt) => {
+          received.push(evt.properties.value)
+        })
+        await Bus.publish(TestEvent.Ping, { value: 1 })
+        unsub()
+        await Bus.publish(TestEvent.Ping, { value: 2 })
+      })
+
+      expect(received).toEqual([1])
+    })
+
+    test("unsubscribe is idempotent", async () => {
+      await using tmp = await tmpdir()
+
+      await withInstance(tmp.path, async () => {
+        const unsub = Bus.subscribe(TestEvent.Ping, () => {})
+        unsub()
+        unsub() // should not throw
+      })
+    })
+
+    test("unsubscribing one does not affect others", async () => {
+      await using tmp = await tmpdir()
+      const a: number[] = []
+      const b: number[] = []
+
+      await withInstance(tmp.path, async () => {
+        const unsubA = Bus.subscribe(TestEvent.Ping, (evt) => a.push(evt.properties.value))
+        Bus.subscribe(TestEvent.Ping, (evt) => b.push(evt.properties.value))
+        await Bus.publish(TestEvent.Ping, { value: 1 })
+        unsubA()
+        await Bus.publish(TestEvent.Ping, { value: 2 })
+      })
+
+      expect(a).toEqual([1])
+      expect(b).toEqual([1, 2])
+    })
+  })
+
+  describe("subscribeAll", () => {
+    test("receives events of all types", async () => {
+      await using tmp = await tmpdir()
+      const all: string[] = []
+
+      await withInstance(tmp.path, async () => {
+        Bus.subscribeAll((evt) => {
+          all.push(evt.type)
+        })
+        await Bus.publish(TestEvent.Ping, { value: 1 })
+        await Bus.publish(TestEvent.Pong, { message: "hi" })
+      })
+
+      expect(all).toEqual(["test.ping", "test.pong"])
+    })
+
+    test("subscribeAll + typed subscribe both fire", async () => {
+      await using tmp = await tmpdir()
+      const typed: number[] = []
+      const wild: string[] = []
+
+      await withInstance(tmp.path, async () => {
+        Bus.subscribe(TestEvent.Ping, (evt) => typed.push(evt.properties.value))
+        Bus.subscribeAll((evt) => wild.push(evt.type))
+        await Bus.publish(TestEvent.Ping, { value: 5 })
+      })
+
+      expect(typed).toEqual([5])
+      expect(wild).toEqual(["test.ping"])
+    })
+
+    test("unsubscribe from subscribeAll", async () => {
+      await using tmp = await tmpdir()
+      const all: string[] = []
+
+      await withInstance(tmp.path, async () => {
+        const unsub = Bus.subscribeAll((evt) => all.push(evt.type))
+        await Bus.publish(TestEvent.Ping, { value: 1 })
+        unsub()
+        await Bus.publish(TestEvent.Pong, { message: "missed" })
+      })
+
+      expect(all).toEqual(["test.ping"])
+    })
+
+    test("subscribeAll delivers InstanceDisposed on disposal", async () => {
+      await using tmp = await tmpdir()
+      const all: string[] = []
+
+      await withInstance(tmp.path, async () => {
+        Bus.subscribeAll((evt) => {
+          all.push(evt.type)
+        })
+        await Bus.publish(TestEvent.Ping, { value: 1 })
+      })
+
+      await Instance.disposeAll()
+
+      expect(all).toContain("test.ping")
+      expect(all).toContain(Bus.InstanceDisposed.type)
+    })
+
+    test("manual unsubscribe suppresses InstanceDisposed", async () => {
+      await using tmp = await tmpdir()
+      const all: string[] = []
+      let unsub = () => {}
+
+      await withInstance(tmp.path, async () => {
+        unsub = Bus.subscribeAll((evt) => {
+          all.push(evt.type)
+        })
+      })
+
+      unsub()
+      await Instance.disposeAll()
+
+      expect(all).not.toContain(Bus.InstanceDisposed.type)
+    })
+  })
+
+  describe("GlobalBus forwarding", () => {
+    test("publish emits to GlobalBus with directory", async () => {
+      await using tmp = await tmpdir()
+      const globalEvents: Array<{ directory?: string; payload: any }> = []
+
+      const handler = (evt: any) => globalEvents.push(evt)
+      GlobalBus.on("event", handler)
+
+      try {
+        await withInstance(tmp.path, async () => {
+          await Bus.publish(TestEvent.Ping, { value: 42 })
+        })
+
+        const ping = globalEvents.find((e) => e.payload.type === "test.ping")
+        expect(ping).toBeDefined()
+        expect(ping!.directory).toBe(tmp.path)
+        expect(ping!.payload).toEqual({
+          type: "test.ping",
+          properties: { value: 42 },
+        })
+      } finally {
+        GlobalBus.off("event", handler)
+      }
+    })
+  })
+
+  describe("instance isolation", () => {
+    test("subscribers in one instance do not receive events from another", async () => {
+      await using tmpA = await tmpdir()
+      await using tmpB = await tmpdir()
+      const eventsA: number[] = []
+      const eventsB: number[] = []
+
+      await withInstance(tmpA.path, async () => {
+        Bus.subscribe(TestEvent.Ping, (evt) => eventsA.push(evt.properties.value))
+      })
+
+      await withInstance(tmpB.path, async () => {
+        Bus.subscribe(TestEvent.Ping, (evt) => eventsB.push(evt.properties.value))
+      })
+
+      await withInstance(tmpA.path, async () => {
+        await Bus.publish(TestEvent.Ping, { value: 1 })
+      })
+
+      await withInstance(tmpB.path, async () => {
+        await Bus.publish(TestEvent.Ping, { value: 2 })
+      })
+
+      expect(eventsA).toEqual([1])
+      expect(eventsB).toEqual([2])
+    })
+  })
+
+
+  describe("async subscribers", () => {
+    test("publish is fire-and-forget (does not await subscriber callbacks)", async () => {
+      await using tmp = await tmpdir()
+      const received: number[] = []
+
+      await withInstance(tmp.path, async () => {
+        Bus.subscribe(TestEvent.Ping, async (evt) => {
+          await new Promise((r) => setTimeout(r, 10))
+          received.push(evt.properties.value)
+        })
+
+        await Bus.publish(TestEvent.Ping, { value: 1 })
+        // Give the async subscriber time to complete
+        await new Promise((r) => setTimeout(r, 50))
+      })
+
+      expect(received).toEqual([1])
+    })
+  })
+
+  describe("Effect service", () => {
+    test("subscribeAll stream receives published events", async () => {
+      await using tmp = await tmpdir()
+      const received: string[] = []
+
+      await withInstance(tmp.path, () =>
+        Effect.runPromise(
+          Effect.scoped(
+            Effect.gen(function* () {
+              const svc = yield* Bus.Service
+              const done = yield* Deferred.make<void>()
+              let count = 0
+
+              yield* Effect.forkScoped(
+                svc.subscribeAll().pipe(
+                  Stream.runForEach((msg) =>
+                    Effect.gen(function* () {
+                      received.push(msg.type)
+                      if (++count >= 2) yield* Deferred.succeed(done, undefined)
+                    }),
+                  ),
+                ),
+              )
+
+              // Let the forked fiber start and subscribe to the PubSub
+              yield* Effect.yieldNow
+
+              yield* svc.publish(TestEvent.Ping, { value: 1 })
+              yield* svc.publish(TestEvent.Pong, { message: "hi" })
+              yield* Deferred.await(done)
+            }),
+          ).pipe(Effect.provide(Bus.layer)),
+        ),
+      )
+
+      expect(received).toEqual(["test.ping", "test.pong"])
+    })
+
+    test("subscribeAll stream ends with ensuring when scope closes", async () => {
+      await using tmp = await tmpdir()
+      let ensuringFired = false
+
+      await withInstance(tmp.path, () =>
+        Effect.runPromise(
+          Effect.scoped(
+            Effect.gen(function* () {
+              const svc = yield* Bus.Service
+
+              yield* Effect.forkScoped(
+                svc.subscribeAll().pipe(
+                  Stream.runForEach(() => Effect.void),
+                  Effect.ensuring(Effect.sync(() => {
+                    ensuringFired = true
+                  })),
+                ),
+              )
+
+              yield* svc.publish(TestEvent.Ping, { value: 1 })
+              yield* Effect.yieldNow
+            }),
+          ).pipe(Effect.provide(Bus.layer)),
+        ),
+      )
+
+      expect(ensuringFired).toBe(true)
+    })
+  })
+})

packages/opencode/test/config/config.test.ts

@@ -1,4 +1,4 @@
-import { test, expect, describe, mock, afterEach, spyOn } from "bun:test"
+import { test, expect, describe, mock, afterEach } from "bun:test"
 import { Config } from "../../src/config/config"
 import { Instance } from "../../src/project/instance"
 import { Auth } from "../../src/auth"
@@ -10,7 +10,6 @@ import { pathToFileURL } from "url"
 import { Global } from "../../src/global"
 import { ProjectID } from "../../src/project/schema"
 import { Filesystem } from "../../src/util/filesystem"
-import { BunProc } from "../../src/bun"
 
 // Get managed config directory from environment (set in preload.ts)
 const managedConfigDir = process.env.OPENCODE_TEST_MANAGED_CONFIG_DIR!
@@ -764,39 +763,6 @@ test("installs dependencies in writable OPENCODE_CONFIG_DIR", async () => {
   }
 })
 
-test("serializes concurrent config dependency installs", async () => {
-  await using tmp = await tmpdir()
-  const dirs = [path.join(tmp.path, "a"), path.join(tmp.path, "b")]
-  await Promise.all(dirs.map((dir) => fs.mkdir(dir, { recursive: true })))
-
-  const seen: string[] = []
-  let active = 0
-  let max = 0
-  const run = spyOn(BunProc, "run").mockImplementation(async (_cmd, opts) => {
-    active++
-    max = Math.max(max, active)
-    seen.push(opts?.cwd ?? "")
-    await new Promise((resolve) => setTimeout(resolve, 25))
-    active--
-    return {
-      code: 0,
-      stdout: Buffer.alloc(0),
-      stderr: Buffer.alloc(0),
-    }
-  })
-
-  try {
-    await Promise.all(dirs.map((dir) => Config.installDependencies(dir)))
-  } finally {
-    run.mockRestore()
-  }
-
-  expect(max).toBe(1)
-  expect(seen.toSorted()).toEqual(dirs.toSorted())
-  expect(await Filesystem.exists(path.join(dirs[0], "package.json"))).toBe(true)
-  expect(await Filesystem.exists(path.join(dirs[1], "package.json"))).toBe(true)
-})
-
 test("resolves scoped npm plugins in config", async () => {
   await using tmp = await tmpdir({
     init: async (dir) => {

packages/opencode/test/installation/installation.test.ts

@@ -1,47 +1,155 @@
-import { afterEach, describe, expect, test } from "bun:test"
+import { describe, expect, test } from "bun:test"
+import { Effect, Layer, Stream } from "effect"
+import { HttpClient, HttpClientRequest, HttpClientResponse } from "effect/unstable/http"
+import { ChildProcess, ChildProcessSpawner } from "effect/unstable/process"
 import { Installation } from "../../src/installation"
 
-const fetch0 = globalThis.fetch
+const encoder = new TextEncoder()
 
-afterEach(() => {
-  globalThis.fetch = fetch0
-})
+function mockHttpClient(handler: (request: HttpClientRequest.HttpClientRequest) => Response) {
+  const client = HttpClient.make((request) => Effect.succeed(HttpClientResponse.fromWeb(request, handler(request))))
+  return Layer.succeed(HttpClient.HttpClient, client)
+}
+
+function mockSpawner(handler: (cmd: string, args: readonly string[]) => string = () => "") {
+  const spawner = ChildProcessSpawner.make((command) => {
+    const std = ChildProcess.isStandardCommand(command) ? command : undefined
+    const output = handler(std?.command ?? "", std?.args ?? [])
+    return Effect.succeed(
+      ChildProcessSpawner.makeHandle({
+        pid: ChildProcessSpawner.ProcessId(0),
+        exitCode: Effect.succeed(ChildProcessSpawner.ExitCode(0)),
+        isRunning: Effect.succeed(false),
+        kill: () => Effect.void,
+        stdin: { [Symbol.for("effect/Sink/TypeId")]: Symbol.for("effect/Sink/TypeId") } as any,
+        stdout: output ? Stream.make(encoder.encode(output)) : Stream.empty,
+        stderr: Stream.empty,
+        all: Stream.empty,
+        getInputFd: () => ({ [Symbol.for("effect/Sink/TypeId")]: Symbol.for("effect/Sink/TypeId") }) as any,
+        getOutputFd: () => Stream.empty,
+      }),
+    )
+  })
+  return Layer.succeed(ChildProcessSpawner.ChildProcessSpawner, spawner)
+}
+
+function jsonResponse(body: unknown) {
+  return new Response(JSON.stringify(body), {
+    status: 200,
+    headers: { "content-type": "application/json" },
+  })
+}
+
+function testLayer(
+  httpHandler: (request: HttpClientRequest.HttpClientRequest) => Response,
+  spawnHandler?: (cmd: string, args: readonly string[]) => string,
+) {
+  return Installation.layer.pipe(
+    Layer.provide(mockHttpClient(httpHandler)),
+    Layer.provide(mockSpawner(spawnHandler)),
+  )
+}
 
 describe("installation", () => {
-  test("reads release version from GitHub releases", async () => {
-    globalThis.fetch = (async () =>
-      new Response(JSON.stringify({ tag_name: "v1.2.3" }), {
-        status: 200,
-        headers: { "content-type": "application/json" },
-      })) as unknown as typeof fetch
+  describe("latest", () => {
+    test("reads release version from GitHub releases", async () => {
+      const layer = testLayer(() => jsonResponse({ tag_name: "v1.2.3" }))
 
-    expect(await Installation.latest("unknown")).toBe("1.2.3")
-  })
+      const result = await Effect.runPromise(
+        Installation.Service.use((svc) => svc.latest("unknown")).pipe(Effect.provide(layer)),
+      )
+      expect(result).toBe("1.2.3")
+    })
 
-  test("reads scoop manifest versions", async () => {
-    globalThis.fetch = (async () =>
-      new Response(JSON.stringify({ version: "2.3.4" }), {
-        status: 200,
-        headers: { "content-type": "application/json" },
-      })) as unknown as typeof fetch
+    test("strips v prefix from GitHub release tag", async () => {
+      const layer = testLayer(() => jsonResponse({ tag_name: "v4.0.0-beta.1" }))
 
-    expect(await Installation.latest("scoop")).toBe("2.3.4")
-  })
+      const result = await Effect.runPromise(
+        Installation.Service.use((svc) => svc.latest("curl")).pipe(Effect.provide(layer)),
+      )
+      expect(result).toBe("4.0.0-beta.1")
+    })
 
-  test("reads chocolatey feed versions", async () => {
-    globalThis.fetch = (async () =>
-      new Response(
-        JSON.stringify({
-          d: {
-            results: [{ Version: "3.4.5" }],
-          },
-        }),
-        {
-          status: 200,
-          headers: { "content-type": "application/json" },
+    test("reads npm registry versions", async () => {
+      const layer = testLayer(
+        () => jsonResponse({ version: "1.5.0" }),
+        (cmd, args) => {
+          if (cmd === "npm" && args.includes("registry")) return "https://registry.npmjs.org\n"
+          return ""
         },
-      )) as unknown as typeof fetch
+      )
 
-    expect(await Installation.latest("choco")).toBe("3.4.5")
+      const result = await Effect.runPromise(
+        Installation.Service.use((svc) => svc.latest("npm")).pipe(Effect.provide(layer)),
+      )
+      expect(result).toBe("1.5.0")
+    })
+
+    test("reads npm registry versions for bun method", async () => {
+      const layer = testLayer(
+        () => jsonResponse({ version: "1.6.0" }),
+        () => "",
+      )
+
+      const result = await Effect.runPromise(
+        Installation.Service.use((svc) => svc.latest("bun")).pipe(Effect.provide(layer)),
+      )
+      expect(result).toBe("1.6.0")
+    })
+
+    test("reads scoop manifest versions", async () => {
+      const layer = testLayer(() => jsonResponse({ version: "2.3.4" }))
+
+      const result = await Effect.runPromise(
+        Installation.Service.use((svc) => svc.latest("scoop")).pipe(Effect.provide(layer)),
+      )
+      expect(result).toBe("2.3.4")
+    })
+
+    test("reads chocolatey feed versions", async () => {
+      const layer = testLayer(() => jsonResponse({ d: { results: [{ Version: "3.4.5" }] } }))
+
+      const result = await Effect.runPromise(
+        Installation.Service.use((svc) => svc.latest("choco")).pipe(Effect.provide(layer)),
+      )
+      expect(result).toBe("3.4.5")
+    })
+
+    test("reads brew formulae API versions", async () => {
+      const layer = testLayer(
+        () => jsonResponse({ versions: { stable: "2.0.0" } }),
+        (cmd, args) => {
+          // getBrewFormula: return core formula (no tap)
+          if (cmd === "brew" && args.includes("--formula") && args.includes("anomalyco/tap/opencode")) return ""
+          if (cmd === "brew" && args.includes("--formula") && args.includes("opencode")) return "opencode"
+          return ""
+        },
+      )
+
+      const result = await Effect.runPromise(
+        Installation.Service.use((svc) => svc.latest("brew")).pipe(Effect.provide(layer)),
+      )
+      expect(result).toBe("2.0.0")
+    })
+
+    test("reads brew tap info JSON via CLI", async () => {
+      const brewInfoJson = JSON.stringify({
+        formulae: [{ versions: { stable: "2.1.0" } }],
+      })
+      const layer = testLayer(
+        () => jsonResponse({}), // HTTP not used for tap formula
+        (cmd, args) => {
+          if (cmd === "brew" && args.includes("anomalyco/tap/opencode") && args.includes("--formula"))
+            return "opencode"
+          if (cmd === "brew" && args.includes("--json=v2")) return brewInfoJson
+          return ""
+        },
+      )
+
+      const result = await Effect.runPromise(
+        Installation.Service.use((svc) => svc.latest("brew")).pipe(Effect.provide(layer)),
+      )
+      expect(result).toBe("2.1.0")
+    })
   })
 })

packages/opencode/test/session/prompt-loop-exit.test.ts

@@ -0,0 +1,85 @@
+import { describe, expect, test } from "bun:test"
+import type { MessageV2 } from "../../src/session/message-v2"
+import { SessionPrompt } from "../../src/session/prompt"
+
+function makeUser(id: string): MessageV2.User {
+  return {
+    id,
+    role: "user",
+    sessionID: "session-1",
+    time: { created: Date.now() },
+    agent: "default",
+    model: { providerID: "openai", modelID: "gpt-4" },
+  } as MessageV2.User
+}
+
+function makeAssistant(
+  id: string,
+  parentID: string,
+  finish?: string,
+): MessageV2.Assistant {
+  return {
+    id,
+    role: "assistant",
+    sessionID: "session-1",
+    parentID,
+    mode: "default",
+    agent: "default",
+    path: { cwd: "/tmp", root: "/tmp" },
+    cost: 0,
+    tokens: { input: 0, output: 0, reasoning: 0, cache: { read: 0, write: 0 } },
+    modelID: "gpt-4",
+    providerID: "openai",
+    time: { created: Date.now() },
+    finish,
+  } as MessageV2.Assistant
+}
+
+describe("shouldExitLoop", () => {
+  test("normal case: user ID < assistant ID, parentID matches, finish=end_turn → exits", () => {
+    const user = makeUser("01AAA")
+    const assistant = makeAssistant("01BBB", "01AAA", "end_turn")
+    expect(SessionPrompt.shouldExitLoop(user, assistant)).toBe(true)
+  })
+
+  test("clock skew: user ID > assistant ID, parentID matches, finish=stop → exits", () => {
+    // Simulates client clock ahead: user message ID sorts AFTER the assistant ID
+    const user = makeUser("01ZZZ")
+    const assistant = makeAssistant("01AAA", "01ZZZ", "stop")
+    expect(SessionPrompt.shouldExitLoop(user, assistant)).toBe(true)
+  })
+
+  test("unfinished assistant: finish=tool-calls → does NOT exit", () => {
+    const user = makeUser("01AAA")
+    const assistant = makeAssistant("01BBB", "01AAA", "tool-calls")
+    expect(SessionPrompt.shouldExitLoop(user, assistant)).toBe(false)
+  })
+
+  test("unfinished assistant: finish=unknown → does NOT exit", () => {
+    const user = makeUser("01AAA")
+    const assistant = makeAssistant("01BBB", "01AAA", "unknown")
+    expect(SessionPrompt.shouldExitLoop(user, assistant)).toBe(false)
+  })
+
+  test("no assistant yet → does NOT exit", () => {
+    const user = makeUser("01AAA")
+    expect(SessionPrompt.shouldExitLoop(user, undefined)).toBe(false)
+  })
+
+  test("assistant has no finish → does NOT exit", () => {
+    const user = makeUser("01AAA")
+    const assistant = makeAssistant("01BBB", "01AAA", undefined)
+    expect(SessionPrompt.shouldExitLoop(user, assistant)).toBe(false)
+  })
+
+  test("parentID mismatch → does NOT exit", () => {
+    const user = makeUser("01AAA")
+    const assistant = makeAssistant("01BBB", "01OTHER", "end_turn")
+    expect(SessionPrompt.shouldExitLoop(user, assistant)).toBe(false)
+  })
+
+  test("no user message → does NOT exit", () => {
+    const assistant = makeAssistant("01BBB", "01AAA", "end_turn")
+    expect(SessionPrompt.shouldExitLoop(undefined, assistant)).toBe(false)
+  })
+})

packages/opencode/test/tool/truncation.test.ts

@@ -2,14 +2,16 @@ import { describe, test, expect } from "bun:test"
 import { NodeFileSystem } from "@effect/platform-node"
 import { Effect, FileSystem, Layer } from "effect"
 import { Truncate } from "../../src/tool/truncate"
-import { TruncateEffect } from "../../src/tool/truncate-effect"
+import { Truncate as TruncateSvc } from "../../src/tool/truncate-effect"
 import { Identifier } from "../../src/id/id"
+import { Process } from "../../src/util/process"
 import { Filesystem } from "../../src/util/filesystem"
 import path from "path"
 import { testEffect } from "../lib/effect"
 import { writeFileStringScoped } from "../lib/filesystem"
 
 const FIXTURES_DIR = path.join(import.meta.dir, "fixtures")
+const ROOT = path.resolve(import.meta.dir, "..", "..")
 
 describe("Truncate", () => {
   describe("output", () => {
@@ -125,11 +127,19 @@ describe("Truncate", () => {
       if (result.truncated) throw new Error("expected not truncated")
       expect("outputPath" in result).toBe(false)
     })
+
+    test("loads truncate effect in a fresh process", async () => {
+      const out = await Process.run([process.execPath, "run", path.join(ROOT, "src", "tool", "truncate-effect.ts")], {
+        cwd: ROOT,
+      })
+
+      expect(out.code).toBe(0)
+    }, 20000)
   })
 
   describe("cleanup", () => {
     const DAY_MS = 24 * 60 * 60 * 1000
-    const it = testEffect(Layer.mergeAll(TruncateEffect.defaultLayer, NodeFileSystem.layer))
+    const it = testEffect(Layer.mergeAll(TruncateSvc.defaultLayer, NodeFileSystem.layer))
 
     it.effect("deletes files older than 7 days and preserves recent files", () =>
       Effect.gen(function* () {
@@ -142,7 +152,7 @@ describe("Truncate", () => {
 
         yield* writeFileStringScoped(old, "old content")
         yield* writeFileStringScoped(recent, "recent content")
-        yield* TruncateEffect.Service.use((s) => s.cleanup())
+        yield* TruncateSvc.Service.use((s) => s.cleanup())
 
         expect(yield* fs.exists(old)).toBe(false)
         expect(yield* fs.exists(recent)).toBe(true)

packages/sdk/js/src/v2/gen/types.gen.ts

@@ -1009,6 +1009,392 @@ export type GlobalEvent = {
   payload: Event
 }
 
+/**
+ * Custom keybind configurations
+ */
+export type KeybindsConfig = {
+  /**
+   * Leader key for keybind combinations
+   */
+  leader?: string
+  /**
+   * Exit the application
+   */
+  app_exit?: string
+  /**
+   * Open external editor
+   */
+  editor_open?: string
+  /**
+   * List available themes
+   */
+  theme_list?: string
+  /**
+   * Toggle sidebar
+   */
+  sidebar_toggle?: string
+  /**
+   * Toggle session scrollbar
+   */
+  scrollbar_toggle?: string
+  /**
+   * Toggle username visibility
+   */
+  username_toggle?: string
+  /**
+   * View status
+   */
+  status_view?: string
+  /**
+   * Export session to editor
+   */
+  session_export?: string
+  /**
+   * Create a new session
+   */
+  session_new?: string
+  /**
+   * List all sessions
+   */
+  session_list?: string
+  /**
+   * Show session timeline
+   */
+  session_timeline?: string
+  /**
+   * Fork session from message
+   */
+  session_fork?: string
+  /**
+   * Rename session
+   */
+  session_rename?: string
+  /**
+   * Delete session
+   */
+  session_delete?: string
+  /**
+   * Delete stash entry
+   */
+  stash_delete?: string
+  /**
+   * Open provider list from model dialog
+   */
+  model_provider_list?: string
+  /**
+   * Toggle model favorite status
+   */
+  model_favorite_toggle?: string
+  /**
+   * Share current session
+   */
+  session_share?: string
+  /**
+   * Unshare current session
+   */
+  session_unshare?: string
+  /**
+   * Interrupt current session
+   */
+  session_interrupt?: string
+  /**
+   * Compact the session
+   */
+  session_compact?: string
+  /**
+   * Scroll messages up by one page
+   */
+  messages_page_up?: string
+  /**
+   * Scroll messages down by one page
+   */
+  messages_page_down?: string
+  /**
+   * Scroll messages up by one line
+   */
+  messages_line_up?: string
+  /**
+   * Scroll messages down by one line
+   */
+  messages_line_down?: string
+  /**
+   * Scroll messages up by half page
+   */
+  messages_half_page_up?: string
+  /**
+   * Scroll messages down by half page
+   */
+  messages_half_page_down?: string
+  /**
+   * Navigate to first message
+   */
+  messages_first?: string
+  /**
+   * Navigate to last message
+   */
+  messages_last?: string
+  /**
+   * Navigate to next message
+   */
+  messages_next?: string
+  /**
+   * Navigate to previous message
+   */
+  messages_previous?: string
+  /**
+   * Navigate to last user message
+   */
+  messages_last_user?: string
+  /**
+   * Copy message
+   */
+  messages_copy?: string
+  /**
+   * Undo message
+   */
+  messages_undo?: string
+  /**
+   * Redo message
+   */
+  messages_redo?: string
+  /**
+   * Toggle code block concealment in messages
+   */
+  messages_toggle_conceal?: string
+  /**
+   * Toggle tool details visibility
+   */
+  tool_details?: string
+  /**
+   * List available models
+   */
+  model_list?: string
+  /**
+   * Next recently used model
+   */
+  model_cycle_recent?: string
+  /**
+   * Previous recently used model
+   */
+  model_cycle_recent_reverse?: string
+  /**
+   * Next favorite model
+   */
+  model_cycle_favorite?: string
+  /**
+   * Previous favorite model
+   */
+  model_cycle_favorite_reverse?: string
+  /**
+   * List available commands
+   */
+  command_list?: string
+  /**
+   * List agents
+   */
+  agent_list?: string
+  /**
+   * Next agent
+   */
+  agent_cycle?: string
+  /**
+   * Previous agent
+   */
+  agent_cycle_reverse?: string
+  /**
+   * Toggle auto-accept mode for permissions
+   */
+  permission_auto_accept_toggle?: string
+  /**
+   * Cycle model variants
+   */
+  variant_cycle?: string
+  /**
+   * Clear input field
+   */
+  input_clear?: string
+  /**
+   * Paste from clipboard
+   */
+  input_paste?: string
+  /**
+   * Submit input
+   */
+  input_submit?: string
+  /**
+   * Insert newline in input
+   */
+  input_newline?: string
+  /**
+   * Move cursor left in input
+   */
+  input_move_left?: string
+  /**
+   * Move cursor right in input
+   */
+  input_move_right?: string
+  /**
+   * Move cursor up in input
+   */
+  input_move_up?: string
+  /**
+   * Move cursor down in input
+   */
+  input_move_down?: string
+  /**
+   * Select left in input
+   */
+  input_select_left?: string
+  /**
+   * Select right in input
+   */
+  input_select_right?: string
+  /**
+   * Select up in input
+   */
+  input_select_up?: string
+  /**
+   * Select down in input
+   */
+  input_select_down?: string
+  /**
+   * Move to start of line in input
+   */
+  input_line_home?: string
+  /**
+   * Move to end of line in input
+   */
+  input_line_end?: string
+  /**
+   * Select to start of line in input
+   */
+  input_select_line_home?: string
+  /**
+   * Select to end of line in input
+   */
+  input_select_line_end?: string
+  /**
+   * Move to start of visual line in input
+   */
+  input_visual_line_home?: string
+  /**
+   * Move to end of visual line in input
+   */
+  input_visual_line_end?: string
+  /**
+   * Select to start of visual line in input
+   */
+  input_select_visual_line_home?: string
+  /**
+   * Select to end of visual line in input
+   */
+  input_select_visual_line_end?: string
+  /**
+   * Move to start of buffer in input
+   */
+  input_buffer_home?: string
+  /**
+   * Move to end of buffer in input
+   */
+  input_buffer_end?: string
+  /**
+   * Select to start of buffer in input
+   */
+  input_select_buffer_home?: string
+  /**
+   * Select to end of buffer in input
+   */
+  input_select_buffer_end?: string
+  /**
+   * Delete line in input
+   */
+  input_delete_line?: string
+  /**
+   * Delete to end of line in input
+   */
+  input_delete_to_line_end?: string
+  /**
+   * Delete to start of line in input
+   */
+  input_delete_to_line_start?: string
+  /**
+   * Backspace in input
+   */
+  input_backspace?: string
+  /**
+   * Delete character in input
+   */
+  input_delete?: string
+  /**
+   * Undo in input
+   */
+  input_undo?: string
+  /**
+   * Redo in input
+   */
+  input_redo?: string
+  /**
+   * Move word forward in input
+   */
+  input_word_forward?: string
+  /**
+   * Move word backward in input
+   */
+  input_word_backward?: string
+  /**
+   * Select word forward in input
+   */
+  input_select_word_forward?: string
+  /**
+   * Select word backward in input
+   */
+  input_select_word_backward?: string
+  /**
+   * Delete word forward in input
+   */
+  input_delete_word_forward?: string
+  /**
+   * Delete word backward in input
+   */
+  input_delete_word_backward?: string
+  /**
+   * Previous history item
+   */
+  history_previous?: string
+  /**
+   * Next history item
+   */
+  history_next?: string
+  /**
+   * Next child session
+   */
+  session_child_cycle?: string
+  /**
+   * Previous child session
+   */
+  session_child_cycle_reverse?: string
+  /**
+   * Go to parent session
+   */
+  session_parent?: string
+  /**
+   * Suspend terminal
+   */
+  terminal_suspend?: string
+  /**
+   * Toggle terminal title
+   */
+  terminal_title_toggle?: string
+  /**
+   * Toggle tips on home screen
+   */
+  tips_toggle?: string
+  /**
+   * Toggle thinking blocks visibility
+   */
+  display_thinking?: string
+}
+
 /**
  * Log level
  */

packages/ui/src/components/find-assistant-messages.tsx

@@ -0,0 +1,40 @@
+import type { AssistantMessage, Message as MessageType } from "@opencode-ai/sdk/v2/client"
+
+/**
+ * Find assistant messages that are replies to a given user message.
+ *
+ * Scans forward from the user message index first, then falls back to scanning
+ * backward. The backward scan handles clock skew where assistant messages
+ * (generated server-side) sort before the user message (generated client-side
+ * with an ahead clock) in the ID-sorted array.
+ */
+export function findAssistantMessages(
+  messages: MessageType[],
+  userIndex: number,
+  userID: string,
+): AssistantMessage[] {
+  if (userIndex < 0 || userIndex >= messages.length) return []
+
+  const result: AssistantMessage[] = []
+
+  // Scan forward from user message
+  for (let i = userIndex + 1; i < messages.length; i++) {
+    const item = messages[i]
+    if (!item) continue
+    if (item.role === "user") break
+    if (item.role === "assistant" && item.parentID === userID) result.push(item as AssistantMessage)
+  }
+
+  // Scan backward to find assistant messages that sort before the user
+  // message due to clock skew between client and server
+  if (result.length === 0) {
+    for (let i = userIndex - 1; i >= 0; i--) {
+      const item = messages[i]
+      if (!item) continue
+      if (item.role === "user") break
+      if (item.role === "assistant" && item.parentID === userID) result.push(item as AssistantMessage)
+    }
+  }
+
+  return result
+}

packages/ui/src/components/message-part.css

@@ -827,7 +827,7 @@
   [data-slot="question-body"] {
     display: flex;
     flex-direction: column;
-    gap: 16px;
+    gap: 0;
     flex: 1;
     min-height: 0;
     padding: 8px 8px 0;
@@ -907,7 +907,7 @@
     font-weight: var(--font-weight-medium);
     line-height: var(--line-height-large);
     color: var(--text-strong);
-    padding: 0 10px;
+    padding: 16px 10px 0;
   }
 
   [data-slot="question-hint"] {
@@ -1050,8 +1050,26 @@
     line-height: var(--line-height-large);
     color: var(--text-base);
     min-width: 0;
-    overflow-wrap: anywhere;
-    white-space: normal;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+  }
+
+  [data-slot="question-option"][data-custom="true"] {
+    [data-slot="option-description"] {
+      overflow: visible;
+      text-overflow: clip;
+      white-space: normal;
+      overflow-wrap: anywhere;
+    }
+
+    &[data-picked="true"] {
+      [data-slot="question-custom-input"]:focus-visible {
+        outline: none;
+        outline-offset: 0;
+        border-radius: 0;
+      }
+    }
   }
 
   [data-slot="question-custom"] {

packages/ui/src/components/session-turn.tsx

@@ -9,6 +9,7 @@ import { createEffect, createMemo, createSignal, For, on, ParentProps, Show } fr
 import { createStore } from "solid-js/store"
 import { Dynamic } from "solid-js/web"
 import { AssistantParts, Message, MessageDivider, PART_MAPPING, type UserActions } from "./message-part"
+import { findAssistantMessages } from "./find-assistant-messages"
 import { Card } from "./card"
 import { Accordion } from "./accordion"
 import { StickyAccordionHeader } from "./sticky-accordion-header"
@@ -267,14 +268,7 @@ export function SessionTurn(
       const index = messageIndex()
       if (index < 0) return emptyAssistant
 
-      const result: AssistantMessage[] = []
-      for (let i = index + 1; i < messages.length; i++) {
-        const item = messages[i]
-        if (!item) continue
-        if (item.role === "user") break
-        if (item.role === "assistant" && item.parentID === msg.id) result.push(item as AssistantMessage)
-      }
-      return result
+      return findAssistantMessages(messages, index, msg.id)
     },
     emptyAssistant,
     { equals: same },

patches/@ai-sdk%2Fxai@2.0.51.patch

@@ -0,0 +1,108 @@
+diff --git a/dist/index.mjs b/dist/index.mjs
+--- a/dist/index.mjs
++++ b/dist/index.mjs
+@@ -959,7 +959,7 @@
+   model: z4.string().nullish(),
+   object: z4.literal("response"),
+   output: z4.array(outputItemSchema),
+-  usage: xaiResponsesUsageSchema,
++  usage: xaiResponsesUsageSchema.nullish(),
+   status: z4.string()
+ });
+ var xaiResponsesChunkSchema = z4.union([
+\ No newline at end of file
+@@ -1143,6 +1143,18 @@
+   z4.object({
+     type: z4.literal("response.completed"),
+     response: xaiResponsesResponseSchema
++  }),
++  z4.object({
++    type: z4.literal("response.function_call_arguments.delta"),
++    item_id: z4.string(),
++    output_index: z4.number(),
++    delta: z4.string()
++  }),
++  z4.object({
++    type: z4.literal("response.function_call_arguments.done"),
++    item_id: z4.string(),
++    output_index: z4.number(),
++    arguments: z4.string()
+   })
+ ]);
+ 
+\ No newline at end of file
+@@ -1940,6 +1952,9 @@
+               if (response2.status) {
+                 finishReason = mapXaiResponsesFinishReason(response2.status);
+               }
++              if (seenToolCalls.size > 0 && finishReason !== "tool-calls") {
++                finishReason = "tool-calls";
++              }
+               return;
+             }
+             if (event.type === "response.output_item.added" || event.type === "response.output_item.done") {
+\ No newline at end of file
+@@ -2024,7 +2039,7 @@
+                   }
+                 }
+               } else if (part.type === "function_call") {
+-                if (!seenToolCalls.has(part.call_id)) {
++                if (event.type === "response.output_item.done" && !seenToolCalls.has(part.call_id)) {
+                   seenToolCalls.add(part.call_id);
+                   controller.enqueue({
+                     type: "tool-input-start",
+\ No newline at end of file
+diff --git a/dist/index.js b/dist/index.js
+--- a/dist/index.js
++++ b/dist/index.js
+@@ -964,7 +964,7 @@
+   model: import_v44.z.string().nullish(),
+   object: import_v44.z.literal("response"),
+   output: import_v44.z.array(outputItemSchema),
+-  usage: xaiResponsesUsageSchema,
++  usage: xaiResponsesUsageSchema.nullish(),
+   status: import_v44.z.string()
+ });
+ var xaiResponsesChunkSchema = import_v44.z.union([
+\ No newline at end of file
+@@ -1148,6 +1148,18 @@
+   import_v44.z.object({
+     type: import_v44.z.literal("response.completed"),
+     response: xaiResponsesResponseSchema
++  }),
++  import_v44.z.object({
++    type: import_v44.z.literal("response.function_call_arguments.delta"),
++    item_id: import_v44.z.string(),
++    output_index: import_v44.z.number(),
++    delta: import_v44.z.string()
++  }),
++  import_v44.z.object({
++    type: import_v44.z.literal("response.function_call_arguments.done"),
++    item_id: import_v44.z.string(),
++    output_index: import_v44.z.number(),
++    arguments: import_v44.z.string()
+   })
+ ]);
+ 
+\ No newline at end of file
+@@ -1935,6 +1947,9 @@
+               if (response2.status) {
+                 finishReason = mapXaiResponsesFinishReason(response2.status);
+               }
++              if (seenToolCalls.size > 0 && finishReason !== "tool-calls") {
++                finishReason = "tool-calls";
++              }
+               return;
+             }
+             if (event.type === "response.output_item.added" || event.type === "response.output_item.done") {
+\ No newline at end of file
+@@ -2019,7 +2034,7 @@
+                   }
+                 }
+               } else if (part.type === "function_call") {
+-                if (!seenToolCalls.has(part.call_id)) {
++                if (event.type === "response.output_item.done" && !seenToolCalls.has(part.call_id)) {
+                   seenToolCalls.add(part.call_id);
+                   controller.enqueue({
+                     type: "tool-input-start",
+\ No newline at end of file

patches/solid-js@1.9.10.patch

@@ -0,0 +1,58 @@
+diff --git a/Users/brendonovich/github.com/anomalyco/opencode/node_modules/solid-js/.bun-tag-6fcb6b48d6947d2c b/.bun-tag-6fcb6b48d6947d2c
+new file mode 100644
+index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
+diff --git a/Users/brendonovich/github.com/anomalyco/opencode/node_modules/solid-js/.bun-tag-b272f631c12927b0 b/.bun-tag-b272f631c12927b0
+new file mode 100644
+index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
+diff --git a/dist/dev.cjs b/dist/dev.cjs
+index 7104749486e4361e8c4ee7836a8046582cec7aa1..0501eb1ec5d13b81ecb13a5ac1a82db42502b976 100644
+--- a/dist/dev.cjs
++++ b/dist/dev.cjs
+@@ -764,6 +764,8 @@ function runComputation(node, value, time) {
+     if (node.updatedAt != null && "observers" in node) {
+       writeSignal(node, nextValue, true);
+     } else if (Transition && Transition.running && node.pure) {
++      // On first computation during transition, also set committed value #2046
++      if (!Transition.sources.has(node)) node.value = nextValue;
+       Transition.sources.add(node);
+       node.tValue = nextValue;
+     } else node.value = nextValue;
+diff --git a/dist/dev.js b/dist/dev.js
+index ea5e4bc2fd4f0b3922a73d9134439529dc81339f..4b3ec07e624d20fdd23d6941a4fdde6d3a78cca3 100644
+--- a/dist/dev.js
++++ b/dist/dev.js
+@@ -762,6 +762,8 @@ function runComputation(node, value, time) {
+     if (node.updatedAt != null && "observers" in node) {
+       writeSignal(node, nextValue, true);
+     } else if (Transition && Transition.running && node.pure) {
++      // On first computation during transition, also set committed value #2046
++      if (!Transition.sources.has(node)) node.value = nextValue;
+       Transition.sources.add(node);
+       node.tValue = nextValue;
+     } else node.value = nextValue;
+diff --git a/dist/solid.cjs b/dist/solid.cjs
+index 7c133a2b254678a84fd61d719fbeffad766e1331..2f68c99f2698210cc0bac62f074cc8cd3beb2881 100644
+--- a/dist/solid.cjs
++++ b/dist/solid.cjs
+@@ -717,6 +717,8 @@ function runComputation(node, value, time) {
+     if (node.updatedAt != null && "observers" in node) {
+       writeSignal(node, nextValue, true);
+     } else if (Transition && Transition.running && node.pure) {
++      // On first computation during transition, also set committed value #2046
++      if (!Transition.sources.has(node)) node.value = nextValue;
+       Transition.sources.add(node);
+       node.tValue = nextValue;
+     } else node.value = nextValue;
+diff --git a/dist/solid.js b/dist/solid.js
+index 656fd26e7e5c794aa22df19c2377ff5c0591fc29..f08e9f5a7157c3506e5b6922fe2ef991335a80be 100644
+--- a/dist/solid.js
++++ b/dist/solid.js
+@@ -715,6 +715,8 @@ function runComputation(node, value, time) {
+     if (node.updatedAt != null && "observers" in node) {
+       writeSignal(node, nextValue, true);
+     } else if (Transition && Transition.running && node.pure) {
++      // On first computation during transition, also set committed value #2046
++      if (!Transition.sources.has(node)) node.value = nextValue;
+       Transition.sources.add(node);
+       node.tValue = nextValue;
+     } else node.value = nextValue;