diff --git a/config/knip.json b/config/knip.json
new file mode 100644
index 00000000000..a48793b7902
--- /dev/null
+++ b/config/knip.json
@@ -0,0 +1,41 @@
+{
+  "$schema": "https://unpkg.com/knip@5/schema.json",
+  "entry": [
+    "src/main/index.ts",
+    "src/preload/index.ts",
+    "src/preload/browser-window-close.ts",
+    "src/main/daemon/daemon-entry.ts",
+    "src/main/plugins/plugin-host-entry.ts",
+    "src/main/computer/sidecar-entry.ts",
+    "src/main/speech/stt-worker.ts",
+    "src/main/warp-themes/warp-theme-parser-worker.ts",
+    "src/main/ai-vault/session-scanner-opencode-sqlite-worker-entry.ts",
+    "src/main/ipc/parcel-watcher-process-entry.ts",
+    "src/main/hang-watchdog/main-thread-hang-watchdog-entry.ts",
+    "src/main/codex/codex-app-server-grant-entry.ts",
+    "src/main/agent-hooks/managed-agent-hook-controls.ts",
+    "src/main/claude-accounts/keychain.ts",
+    "src/renderer/src/main.tsx",
+    "src/renderer/src/popout.tsx",
+    "src/renderer/src/web/main.tsx",
+    "src/renderer/src/**/*.worker.ts",
+    "src/cli/index.ts",
+    "src/relay/relay.ts",
+    "src/relay/wsl-agent-hook-relay.ts",
+    "config/scripts/**/*.{mjs,cjs,js,ts}",
+    "build-plugins/**/*.ts",
+    "electron.vite.config.ts",
+    "vite.web.config.ts",
+    "config/vitest.config.ts",
+    "config/i18next.config.ts",
+    "config/electron-builder.config.cjs",
+    "config/oxlint-plugins/**/*.{js,mjs,ts}",
+    "tests/**/*.{ts,tsx,mjs}",
+    "**/*.test.{ts,tsx}"
+  ],
+  "project": ["src/**/*.{ts,tsx}", "config/scripts/**/*.{mjs,cjs,js,ts}", "build-plugins/**/*.ts"],
+  "ignore": ["mobile/**", "out/**", "dist/**", "node_modules/**", "resources/**"],
+  "ignoreDependencies": ["electron", "@types/*"],
+  "ignoreExportsUsedInFile": true,
+  "includeEntryExports": false
+}
diff --git a/package.json b/package.json
index 7ccb8fabee3..52da12d0278 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
     "audit:code-quality:native": "oxlint --config config/oxlint-code-quality-native-plugins.json src config tests mobile --deny-warnings",
     "audit:code-quality:type-aware": "oxlint --type-aware --config config/oxlint-code-quality-type-aware.json src config tests --deny-warnings",
     "audit:react-doctor": "pnpm dlx react-doctor@0.9.1 . --yes --no-supply-chain --no-telemetry --blocking none",
+    "audit:dead-code": "pnpm dlx knip@5 --config config/knip.json",
     "check:code-quality:changed": "node config/scripts/check-changed-code-quality.mjs",
     "check:react-doctor:changed": "node config/scripts/check-react-doctor-changed.mjs",
     "check:zustand-selector-fanout": "node config/scripts/zustand-selector-fanout-benchmark.mjs --check",
diff --git a/src/cli/runtime/environments.ts b/src/cli/runtime/environments.ts
index 3009b11c9cb..c3594254587 100644
--- a/src/cli/runtime/environments.ts
+++ b/src/cli/runtime/environments.ts
@@ -20,10 +20,6 @@ export type EnvironmentAddResult = {
   environment: PublicKnownRuntimeEnvironment
 }
 
-export type EnvironmentListResult = {
-  environments: PublicKnownRuntimeEnvironment[]
-}
-
 export type EnvironmentRemoveResult = {
   removed: PublicKnownRuntimeEnvironment
 }
diff --git a/src/main/ai-vault/session-scanner-opencode-sqlite-worker-protocol.ts b/src/main/ai-vault/session-scanner-opencode-sqlite-worker-protocol.ts
index f0a85edf891..4f67393537a 100644
--- a/src/main/ai-vault/session-scanner-opencode-sqlite-worker-protocol.ts
+++ b/src/main/ai-vault/session-scanner-opencode-sqlite-worker-protocol.ts
@@ -1,4 +1,4 @@
-import type { AiVaultScanIssue, AiVaultSession } from '../../shared/ai-vault-types'
+import type { AiVaultScanIssue } from '../../shared/ai-vault-types'
 import type { SessionFileCandidate } from './session-scanner-types'
 
 // Why: request/response shapes shared by the worker entry and the main-thread
@@ -30,8 +30,6 @@ export type OpenCodeSqliteListValue = {
   issues: AiVaultScanIssue[]
 }
 
-export type OpenCodeSqliteParseValue = AiVaultSession | null
-
 export type OpenCodeSqliteWorkerResponse =
   | { id: number; ok: true; value: unknown }
   | { id: number; ok: false; error: string }
diff --git a/src/main/claude-usage/scanner.ts b/src/main/claude-usage/scanner.ts
index 565f7e49c81..5006a73db0e 100644
--- a/src/main/claude-usage/scanner.ts
+++ b/src/main/claude-usage/scanner.ts
@@ -170,24 +170,6 @@ export async function listClaudeTranscriptFiles(): Promise<string[]> {
   return [...new Set(files.flat())].sort()
 }
 
-export async function getProcessedFileInfo(filePath: string): Promise<ClaudeUsageProcessedFile> {
-  const fileStat = await stat(filePath)
-  let lineCount = 0
-  const lines = createInterface({
-    input: createReadStream(filePath, { encoding: 'utf-8' }),
-    crlfDelay: Infinity
-  })
-  for await (const _line of lines) {
-    lineCount++
-  }
-  return {
-    path: filePath,
-    mtimeMs: fileStat.mtimeMs,
-    size: fileStat.size,
-    lineCount
-  }
-}
-
 async function getProcessedFileStat(
   filePath: string
 ): Promise<Omit<ClaudeUsageProcessedFile, 'lineCount'>> {
@@ -784,7 +766,3 @@ export function getSessionProjectLabel(locationBreakdown: ClaudeUsageLocationBre
   }
   return 'Multiple locations'
 }
-
-export function getDefaultWorktreeLabel(pathValue: string): string {
-  return basename(pathValue)
-}
diff --git a/src/main/codex-usage/scanner.ts b/src/main/codex-usage/scanner.ts
index eb5fbcaab14..86da9db678f 100644
--- a/src/main/codex-usage/scanner.ts
+++ b/src/main/codex-usage/scanner.ts
@@ -1179,17 +1179,3 @@ export function createWorktreeRefs(
   }
   return refs
 }
-
-export function getDefaultWorktreeLabel(pathValue: string): string {
-  return basename(pathValue)
-}
-
-export function getSessionProjectLabel(locationBreakdown: CodexUsageLocationBreakdown[]): string {
-  if (locationBreakdown.length === 0) {
-    return 'Unknown location'
-  }
-  if (locationBreakdown.length === 1) {
-    return locationBreakdown[0].projectLabel
-  }
-  return 'Multiple locations'
-}
diff --git a/src/main/computer/macos-native-provider-paths.ts b/src/main/computer/macos-native-provider-paths.ts
index 7ca8134f03f..bf0e9f3fc51 100644
--- a/src/main/computer/macos-native-provider-paths.ts
+++ b/src/main/computer/macos-native-provider-paths.ts
@@ -25,20 +25,3 @@ export function resolveMacOSComputerUseExecutablePath(): string | null {
   const executablePath = join(appPath, 'Contents', 'MacOS', 'orca-computer-use-macos')
   return existsSync(executablePath) ? executablePath : null
 }
-
-export function resolveMacOSNativeProviderPath(): string | null {
-  const override = process.env.ORCA_COMPUTER_MACOS_PROVIDER_PATH
-  if (override && existsSync(override)) {
-    return override
-  }
-
-  const packaged = [join(process.resourcesPath ?? '', 'computer-use-macos/orca-computer-use-macos')]
-  const dev = [
-    join(process.cwd(), 'native/computer-use-macos/.build/debug/orca-computer-use-macos'),
-    join(process.cwd(), 'native/computer-use-macos/.build/release/orca-computer-use-macos'),
-    resolve(__dirname, '../../native/computer-use-macos/.build/debug/orca-computer-use-macos')
-  ]
-  const candidates = process.resourcesPath ? [...packaged, ...dev] : dev
-
-  return candidates.find((candidate) => candidate && existsSync(candidate)) ?? null
-}
diff --git a/src/main/daemon/terminal-private-mode-tracker.ts b/src/main/daemon/terminal-private-mode-tracker.ts
deleted file mode 100644
index a8f20ef7a4d..00000000000
--- a/src/main/daemon/terminal-private-mode-tracker.ts
+++ /dev/null
@@ -1,89 +0,0 @@
-import type { TerminalModes } from './types'
-
-// Why: PTY/SSH chunks can split a long combined DECSET before the final h/l.
-// Keep parser state far beyond normal mode lists while still bounding memory.
-const PRIVATE_MODE_SCAN_TAIL_LIMIT = 4096
-
-type MouseTrackingMode = NonNullable<TerminalModes['mouseTrackingMode']>
-
-// Why: @xterm/headless doesn't expose DECSET mouse/SGR encoding state, so the
-// emulator mirrors it by scanning the raw byte stream; snapshots restore these
-// modes on rehydrate.
-export class TerminalPrivateModeTracker {
-  private scanTail = ''
-  mouseTrackingMode: MouseTrackingMode = 'none'
-  sgrMouseMode = false
-  sgrMousePixelsMode = false
-
-  scan(data: string): void {
-    const input = this.scanTail + data
-    this.scanTail = this.extractScanTail(input)
-    // oxlint-disable-next-line no-control-regex -- terminal escape sequences require control chars
-    const privateModeRe = /\x1bc|\x1b\[\?([0-9;]+)([hl])|\x9b\?([0-9;]+)([hl])/g
-    let match: RegExpExecArray | null
-    while ((match = privateModeRe.exec(input)) !== null) {
-      if (match[0] === '\x1bc') {
-        this.mouseTrackingMode = 'none'
-        this.sgrMouseMode = false
-        this.sgrMousePixelsMode = false
-        continue
-      }
-      const params = match[1] ?? match[3]
-      const enabled = (match[2] ?? match[4]) === 'h'
-      for (const rawParam of params.split(';')) {
-        if (rawParam === '') {
-          continue
-        }
-        const param = Number(rawParam)
-        if (!Number.isInteger(param)) {
-          continue
-        }
-        if (param === 9) {
-          this.mouseTrackingMode = enabled ? 'x10' : 'none'
-        }
-        if (param === 1000) {
-          this.mouseTrackingMode = enabled ? 'vt200' : 'none'
-        }
-        if (param === 1002) {
-          this.mouseTrackingMode = enabled ? 'drag' : 'none'
-        }
-        if (param === 1003) {
-          this.mouseTrackingMode = enabled ? 'any' : 'none'
-        }
-        if (param === 1006) {
-          this.sgrMouseMode = enabled
-          this.sgrMousePixelsMode = false
-        }
-        if (param === 1016) {
-          this.sgrMouseMode = false
-          this.sgrMousePixelsMode = enabled
-        }
-      }
-    }
-  }
-
-  private extractScanTail(input: string): string {
-    const start = Math.max(input.lastIndexOf('\x1b'), input.lastIndexOf('\x9b'))
-    if (start === -1) {
-      return ''
-    }
-    const tail = input.slice(start)
-    if (tail.length > PRIVATE_MODE_SCAN_TAIL_LIMIT) {
-      return ''
-    }
-    if (tail === '\x1b' || tail === '\x1b[' || tail === '\x9b') {
-      return tail
-    }
-    if (tail.startsWith('\x1b[?')) {
-      return this.isIncompleteParams(tail.slice(3)) ? tail : ''
-    }
-    if (tail.startsWith('\x9b?')) {
-      return this.isIncompleteParams(tail.slice(2)) ? tail : ''
-    }
-    return ''
-  }
-
-  private isIncompleteParams(params: string): boolean {
-    return /^[0-9;]*$/.test(params)
-  }
-}
diff --git a/src/main/emulator/android/android-input-mapping.ts b/src/main/emulator/android/android-input-mapping.ts
index 4805800f91d..d068e450e47 100644
--- a/src/main/emulator/android/android-input-mapping.ts
+++ b/src/main/emulator/android/android-input-mapping.ts
@@ -29,14 +29,6 @@ export function normalizedToDevicePixels(
   }
 }
 
-export type AndroidHardwareButton =
-  | 'home'
-  | 'back'
-  | 'recents'
-  | 'power'
-  | 'volume_up'
-  | 'volume_down'
-
 // Android KeyEvent KEYCODE_* values, including the common aliases agents use.
 const BUTTON_KEYCODES: Record<string, number> = {
   home: 3,
diff --git a/src/main/emulator/emulator-types.ts b/src/main/emulator/emulator-types.ts
index d7bc31a26c5..f675d11bc66 100644
--- a/src/main/emulator/emulator-types.ts
+++ b/src/main/emulator/emulator-types.ts
@@ -14,9 +14,3 @@ export type EmulatorSessionInfo = {
   streamCodec?: EmulatorStreamCodec
   backend?: EmulatorBackendKind
 }
-
-export type EmulatorCliTarget = {
-  worktreeId?: string
-  deviceUdid?: string
-  emulatorId?: string // Orca-generated id from list (for stability, like browserPageId)
-}
diff --git a/src/main/git/git-username.ts b/src/main/git/git-username.ts
index 320817b7eb7..da91361d0b8 100644
--- a/src/main/git/git-username.ts
+++ b/src/main/git/git-username.ts
@@ -219,14 +219,6 @@ async function getGhLoginOutcome(): Promise<GhLoginOutcome> {
   return probe
 }
 
-/**
- * Resolve the `gh` CLI's GitHub login without ever blocking the caller for
- * longer than the probe wall. Never rejects; unknown resolves to ''.
- */
-export async function getGhLoginAsync(): Promise<string> {
-  return (await getGhLoginOutcome()).login
-}
-
 async function readGitStdout(repoPath: string, args: string[]): Promise<string> {
   try {
     const { stdout } = await gitExecFileAsync(args, {
diff --git a/src/main/git/repo.ts b/src/main/git/repo.ts
index ca1b4571c17..05d218e39db 100644
--- a/src/main/git/repo.ts
+++ b/src/main/git/repo.ts
@@ -911,14 +911,6 @@ async function listRemoteNames(path: string, options: LocalGitExecOptions = {}):
   }
 }
 
-/**
- * Parse `git for-each-ref --format=%(refname)%00%(refname:short)` stdout into a deduped list of short
- * refs, dropping `<remote>/HEAD` pseudo-refs. Shared with the SSH branch in ipc/repos.ts so filtering can't drift.
- */
-export function parseAndFilterSearchRefs(stdout: string, limit: number): string[] {
-  return parseAndFilterSearchRefDetails(stdout, limit).map((entry) => entry.refName)
-}
-
 export function parseAndFilterSearchRefDetails(
   stdout: string,
   limit: number,
diff --git a/src/main/github/github-api-repository.ts b/src/main/github/github-api-repository.ts
index 08461f849e9..3a61b9387da 100644
--- a/src/main/github/github-api-repository.ts
+++ b/src/main/github/github-api-repository.ts
@@ -65,11 +65,6 @@ export function _resetOriginGitHubApiRepositoryCache(): void {
   originRepoInFlight.clear()
 }
 
-/** @internal - exposed for cache-bound tests only */
-export function _getOriginGitHubApiRepositoryCacheSize(): number {
-  return originRepoCache.size
-}
-
 function pruneOriginRepoCache(now: number): void {
   for (const [key, entry] of originRepoCache) {
     if (entry.expiresAt <= now) {
@@ -296,10 +291,6 @@ export async function resolveGitHubApiRepository(
   return null
 }
 
-export function isGitHubDotComRepository(repository: GitHubApiRepository): boolean {
-  return isDefaultGitHubHost(repository.host)
-}
-
 // Why: the gh runner host-qualifies argv from `options.host`, so every known
 // host must be carried through. Pinning github.com prevents a process-level
 // GH_HOST from silently redirecting an otherwise unambiguous API request.
diff --git a/src/main/github/github-enterprise-repository.ts b/src/main/github/github-enterprise-repository.ts
index fd4401e3f49..89f8bf7bbd7 100644
--- a/src/main/github/github-enterprise-repository.ts
+++ b/src/main/github/github-enterprise-repository.ts
@@ -49,11 +49,6 @@ export function _resetGitHubHostAuthCache(): void {
   hostAuthInFlight.clear()
 }
 
-/** @internal - exposed for cache-bound tests only */
-export function _getGitHubHostAuthCacheSize(): number {
-  return hostAuthCache.size
-}
-
 function pruneHostAuthCache(now: number): void {
   for (const [key, entry] of hostAuthCache) {
     if (entry.expiresAt <= now) {
diff --git a/src/main/github/project-view.ts b/src/main/github/project-view.ts
index 2e53eff357c..db344de7133 100644
--- a/src/main/github/project-view.ts
+++ b/src/main/github/project-view.ts
@@ -54,7 +54,7 @@ import {
 import { githubProjectHost } from '../../shared/github-project-identity'
 
 // Re-export the public API so existing `./project-view` call sites keep working; the split is internal-only.
-export { isValidOwnerSlug, isValidRepoSlug, isValidSlug } from './project-view/internals'
+export { isValidOwnerSlug, isValidRepoSlug } from './project-view/internals'
 export { classifyProjectError } from './project-view/project-error-classification'
 export {
   updateProjectItemFieldValue,
diff --git a/src/main/github/project-view/internals.ts b/src/main/github/project-view/internals.ts
index 5952118ee4c..1dd794370c7 100644
--- a/src/main/github/project-view/internals.ts
+++ b/src/main/github/project-view/internals.ts
@@ -82,12 +82,6 @@ export function isValidRepoSlug(value: unknown): value is string {
   )
 }
 
-// Backwards-compatible alias for callers that don't distinguish owner vs repo.
-// Prefer `isValidOwnerSlug` / `isValidRepoSlug` at new call sites.
-export function isValidSlug(value: unknown): value is string {
-  return isValidOwnerSlug(value) || isValidRepoSlug(value)
-}
-
 export function assertSlug(
   value: unknown,
   field: 'owner' | 'repo'
diff --git a/src/main/gitlab/gl-utils.ts b/src/main/gitlab/gl-utils.ts
index 32b25ab0717..a8a7b5705a0 100644
--- a/src/main/gitlab/gl-utils.ts
+++ b/src/main/gitlab/gl-utils.ts
@@ -1,11 +1,6 @@
-import { execFile } from 'node:child_process'
-import { promisify } from 'node:util'
 import { gitExecFileAsync, glabExecFileAsync } from '../git/runner'
 import { parseGlabApiResponse, type GlabApiResponse } from './glab-api-response'
 
-// Why: legacy generic execFile wrapper - only used by callers that don't need
-// WSL-aware routing. Repo-scoped callers should use the runner exports below.
-export const execFileAsync = promisify(execFile)
 export { glabExecFileAsync, gitExecFileAsync }
 export { classifyGlabError, classifyListIssuesError } from './glab-error-classification'
 export {
diff --git a/src/main/ipc/feedback-image-attachments.ts b/src/main/ipc/feedback-image-attachments.ts
index f574a7129ab..361fe8b3fc0 100644
--- a/src/main/ipc/feedback-image-attachments.ts
+++ b/src/main/ipc/feedback-image-attachments.ts
@@ -25,10 +25,6 @@ export function isSupportedFeedbackImageContentType(contentType: string): boolea
   return Object.hasOwn(FEEDBACK_IMAGE_EXTENSIONS, contentType)
 }
 
-export function getSupportedFeedbackImageContentTypes(): string[] {
-  return Object.keys(FEEDBACK_IMAGE_EXTENSIONS)
-}
-
 export function feedbackImageFilename(index: number, contentType: string): string {
   return `feedback-image-${index + 1}.${FEEDBACK_IMAGE_EXTENSIONS[contentType]}`
 }
diff --git a/src/main/ipc/parcel-watcher-host-subscriptions.ts b/src/main/ipc/parcel-watcher-host-subscriptions.ts
index 24f1803ee68..3dad4dee73c 100644
--- a/src/main/ipc/parcel-watcher-host-subscriptions.ts
+++ b/src/main/ipc/parcel-watcher-host-subscriptions.ts
@@ -117,21 +117,6 @@ export function resolvePendingWatcherUnsubscribes(
   pendingUnsubscribes.clear()
 }
 
-export function disposeWatcherSupervisorSubscriptions(
-  records: Map<number, WatcherProcessSubscriptionRecord>,
-  pendingUnsubscribes: Map<number, () => void>,
-  cancelledSubscribesAwaitingChild: Set<number>,
-  error: Error
-): void {
-  for (const record of records.values()) {
-    resetPendingSubscribeAttempt(record)
-    takePendingSubscribe(record)?.reject(error)
-  }
-  resolvePendingWatcherUnsubscribes(pendingUnsubscribes)
-  cancelledSubscribesAwaitingChild.clear()
-  records.clear()
-}
-
 export type CreateHostWatcherSubscriptionOptions = {
   record: WatcherProcessSubscriptionRecord
   records: Map<number, WatcherProcessSubscriptionRecord>
diff --git a/src/main/ipc/parcel-watcher-process.ts b/src/main/ipc/parcel-watcher-process.ts
index 978edb21c6b..223fed564f8 100644
--- a/src/main/ipc/parcel-watcher-process.ts
+++ b/src/main/ipc/parcel-watcher-process.ts
@@ -21,9 +21,6 @@ export type {
 } from './parcel-watcher-process-protocol'
 
 const sharedWatcherProcessSupervisor = new WatcherProcessSupervisor()
-// Why: the canary pauses during legitimate crawls, so production callers need
-// a separate liveness fuse once a child reports that it owns native setup.
-export const WATCHER_PROCESS_SUBSCRIBE_TIMEOUT_MS = 60_000
 // Why: healthy roots share one child; only fault quarantine scales to four,
 // containing a failed shard without paying that RSS cost during normal use.
 const runtimeWatcherProcessPool = new RuntimeWatcherProcessPool()
diff --git a/src/main/ipc/runtime-environment-request-connections.ts b/src/main/ipc/runtime-environment-request-connections.ts
index 361264d917e..946a0d30cf8 100644
--- a/src/main/ipc/runtime-environment-request-connections.ts
+++ b/src/main/ipc/runtime-environment-request-connections.ts
@@ -47,15 +47,6 @@ export function closeRemoteRuntimeRequestConnection(environmentId: string): void
   closeRemoteRuntimeSharedControlConnection(environmentId)
 }
 
-export function closeAllRemoteRuntimeRequestConnections(): void {
-  for (const environmentId of Array.from(requestConnections.keys())) {
-    closeRemoteRuntimeRequestConnection(environmentId)
-  }
-  for (const environmentId of Array.from(sharedControlConnections.keys())) {
-    closeRemoteRuntimeSharedControlConnection(environmentId)
-  }
-}
-
 export function sendRemoteRuntimeSharedControlRequest<TResult>(
   environmentId: string,
   pairing: PairingOffer,
diff --git a/src/main/ipc/worktree-change-invalidators.ts b/src/main/ipc/worktree-change-invalidators.ts
index a43657743b4..156ce0f722c 100644
--- a/src/main/ipc/worktree-change-invalidators.ts
+++ b/src/main/ipc/worktree-change-invalidators.ts
@@ -19,7 +19,3 @@ export function runWorktreeChangeInvalidators(repoId: string): void {
     }
   }
 }
-
-export function __resetWorktreeChangeInvalidatorsForTests(): void {
-  worktreeChangeInvalidators.clear()
-}
diff --git a/src/main/observability/index.ts b/src/main/observability/index.ts
index 791653d272d..f891da51418 100644
--- a/src/main/observability/index.ts
+++ b/src/main/observability/index.ts
@@ -167,10 +167,6 @@ export async function shutdownObservability(): Promise<void> {
   consent = null
 }
 
-export function getObservabilityConsent(): ObservabilityConsent | null {
-  return consent
-}
-
 // ── Bundle / trace-folder operations exposed to IPC ─────────────────────
 
 export type DiagnosticsStatus = {
diff --git a/src/main/observability/instrumentation.ts b/src/main/observability/instrumentation.ts
index 3e944b23847..d4ab5d4e497 100644
--- a/src/main/observability/instrumentation.ts
+++ b/src/main/observability/instrumentation.ts
@@ -228,32 +228,6 @@ export async function withWorktreeRemoveStageSpan<T>(
   })
 }
 
-export type PtySpanArgs = {
-  readonly stage: 'spawn' | 'exit' | 'recover'
-  readonly shell?: string
-  readonly cwd?: string
-}
-
-/** Wrap a PTY-lifecycle event in a `pty.<stage>` span. The lifecycle is
- *  long-lived; callers typically use `startSpan` directly for the live
- *  session and call `withPtySpan` only for the spawn/exit moments. */
-export async function withPtySpan<T>(meta: PtySpanArgs, fn: () => Promise<T> | T): Promise<T> {
-  return withSpan(
-    `pty.${meta.stage}`,
-    async (span) => {
-      span.setAttribute('pty.stage', meta.stage)
-      if (meta.shell) {
-        span.setAttribute('pty.shell', meta.shell)
-      }
-      if (meta.cwd) {
-        span.setAttribute('cwd', meta.cwd)
-      }
-      return await fn()
-    },
-    { attributes: { kind: 'pty' } }
-  )
-}
-
 export type UpdaterSpanArgs = {
   readonly stage: 'check' | 'download' | 'install'
 }
diff --git a/src/main/observability/redactor.ts b/src/main/observability/redactor.ts
index 173382bde58..cd5570f8577 100644
--- a/src/main/observability/redactor.ts
+++ b/src/main/observability/redactor.ts
@@ -234,14 +234,3 @@ export function redactSpan(span: RedactableSpan, mode: RedactorMode = 'client'):
     exit
   }
 }
-
-// Test-only introspection: lets tests verify the rule set without re-deriving it.
-
-export const _internalsForTests = {
-  PROVIDER_PATTERNS,
-  CLIENT_ATTR_BLOCKLIST,
-  SERVER_ATTR_BLOCKLIST_EXTRA,
-  LABELED_KV,
-  URL_USERINFO,
-  ENV_LINE
-}
diff --git a/src/main/pi/prefill-extension-source.ts b/src/main/pi/prefill-extension-source.ts
index 054502c1c39..910c8cb796b 100644
--- a/src/main/pi/prefill-extension-source.ts
+++ b/src/main/pi/prefill-extension-source.ts
@@ -10,15 +10,6 @@ const PREFILL_ENV_VAR_BY_KIND: Record<PiAgentKind, string> = {
   omp: 'ORCA_OMP_PREFILL'
 }
 
-/** Pi's prefill env var. Exported for callers that need the literal name
- *  (renderer draft-launch plan builder, tests). OMP callers should read
- *  `ORCA_OMP_PREFILL_ENV_VAR` instead. */
-export const ORCA_PI_PREFILL_ENV_VAR = PREFILL_ENV_VAR_BY_KIND.pi
-
-/** OMP's prefill env var. Mirrors `ORCA_PI_PREFILL_ENV_VAR` for OMP launches
- *  so renderer plans and shell-ready restore lines can stay agent-scoped. */
-export const ORCA_OMP_PREFILL_ENV_VAR = PREFILL_ENV_VAR_BY_KIND.omp
-
 export function getPiPrefillExtensionSource(kind: PiAgentKind): string {
   const envVar = PREFILL_ENV_VAR_BY_KIND[kind]
   return [
diff --git a/src/main/pi/titlebar-extension-service.ts b/src/main/pi/titlebar-extension-service.ts
index 538d0a0be9d..66f491925ed 100644
--- a/src/main/pi/titlebar-extension-service.ts
+++ b/src/main/pi/titlebar-extension-service.ts
@@ -11,7 +11,6 @@ import {
   ORCA_PI_PREFILL_EXTENSION_FILE,
   getPiPrefillExtensionSource
 } from './prefill-extension-source'
-export { ORCA_OMP_PREFILL_ENV_VAR, ORCA_PI_PREFILL_ENV_VAR } from './prefill-extension-source'
 import { ORCA_PI_EXTENSION_FILE, getPiTitlebarExtensionSource } from './titlebar-extension-source'
 import {
   isSafeDescendCandidate as sharedIsSafeDescendCandidate,
diff --git a/src/main/plugins/plugin-enablement.ts b/src/main/plugins/plugin-enablement.ts
index 44349ef087b..e81a8c7e522 100644
--- a/src/main/plugins/plugin-enablement.ts
+++ b/src/main/plugins/plugin-enablement.ts
@@ -14,8 +14,6 @@ import { verifyInstructionalPluginContent } from './plugin-instructional-content
  * IPC handlers and the headless RPC methods both route through here.
  */
 
-export type PluginConsentDecision = PluginConsentRequest['decision']
-
 /** Records the user's consent-dialog answer. Approving stores the CURRENT
  *  consent fingerprint and clears any disable; declining disables so the plugin
  *  never re-prompts on later launches. */
diff --git a/src/main/providers/pty-process-list-admission.ts b/src/main/providers/pty-process-list-admission.ts
index f65a86aacea..bca3bf4fa18 100644
--- a/src/main/providers/pty-process-list-admission.ts
+++ b/src/main/providers/pty-process-list-admission.ts
@@ -145,17 +145,3 @@ export async function visitPtyProcessListingsInBatches<T>(
     visit(listing.entry, listing.processes)
   }
 }
-
-export async function collectPtyProcessListings<T>(
-  sources: Iterable<T>,
-  load: (source: T) => Promise<readonly PtyProcessInfo[]>
-): Promise<PtyProcessInfo[]> {
-  const admission = new PtyProcessListAdmission()
-  const processes: PtyProcessInfo[] = []
-  await visitPtyProcessListingsInBatches(sources, load, (_source, listing) => {
-    for (const process of listing) {
-      processes.push(admission.admit(process))
-    }
-  })
-  return processes
-}
diff --git a/src/main/providers/types.ts b/src/main/providers/types.ts
index a36b222f5e4..23c36859a1f 100644
--- a/src/main/providers/types.ts
+++ b/src/main/providers/types.ts
@@ -1,9 +1,6 @@
 // Aggregate provider contract surface. The three per-domain contracts live in
 // their own files; this barrel keeps every historical `providers/types` import
-// path working and owns the registry that ties them together.
-import type { IPtyProvider } from './pty-provider-contract'
-import type { IFilesystemProvider } from './filesystem-provider-contract'
-import type { IGitProvider } from './git-provider-contract'
+// path working.
 
 // ─── PTY Provider ───────────────────────────────────────────────────
 
@@ -31,12 +28,3 @@ export type {
 // ─── Git Provider ───────────────────────────────────────────────────
 
 export type { GitProviderStatusOptions, IGitProvider } from './git-provider-contract'
-
-// ─── Provider Registry ──────────────────────────────────────────────
-
-/** Routes operations by connectionId; null/undefined selects the local provider. */
-export type IProviderRegistry = {
-  getPtyProvider(connectionId: string | null | undefined): IPtyProvider
-  getFilesystemProvider(connectionId: string | null | undefined): IFilesystemProvider
-  getGitProvider(connectionId: string | null | undefined): IGitProvider
-}
diff --git a/src/main/rate-limits/grok-auth.ts b/src/main/rate-limits/grok-auth.ts
index e055c022975..950ab1d3678 100644
--- a/src/main/rate-limits/grok-auth.ts
+++ b/src/main/rate-limits/grok-auth.ts
@@ -130,10 +130,6 @@ export function readGrokAuthSession(): GrokAuthReadResult {
   }
 }
 
-export function hasGrokAuthSession(): boolean {
-  return readGrokAuthSession().status === 'ok'
-}
-
 const TOKEN_SKEW_MS = 5 * 60 * 1000
 
 export function isGrokAccessTokenFresh(session: GrokAuthSession): boolean {
diff --git a/src/main/runtime/orca-runtime-emulator.ts b/src/main/runtime/orca-runtime-emulator.ts
index b1bcbe5c689..ac67464a533 100644
--- a/src/main/runtime/orca-runtime-emulator.ts
+++ b/src/main/runtime/orca-runtime-emulator.ts
@@ -321,21 +321,3 @@ export class RuntimeEmulatorCommands {
     return this.emulatorExec(params)
   }
 }
-
-// Singleton accessor pattern (mirror requireAgentBrowserBridge).
-let emulatorBridgeInstance: EmulatorBridge | null = null
-
-export function setEmulatorBridge(bridge: EmulatorBridge | null): void {
-  emulatorBridgeInstance = bridge
-}
-
-export function getEmulatorBridge(): EmulatorBridge | null {
-  return emulatorBridgeInstance
-}
-
-export function requireEmulatorBridge(): EmulatorBridge {
-  if (!emulatorBridgeInstance) {
-    throw new EmulatorError('emulator_no_active', 'Emulator bridge not initialized')
-  }
-  return emulatorBridgeInstance
-}
diff --git a/src/main/runtime/orca-runtime.ts b/src/main/runtime/orca-runtime.ts
index 698fd80f564..90792d63693 100644
--- a/src/main/runtime/orca-runtime.ts
+++ b/src/main/runtime/orca-runtime.ts
@@ -512,7 +512,7 @@ import {
   advanceTerminalTopologyRevision,
   hasHostAuthoritativeTerminalMembership
 } from './workspace-session-terminal-membership-authority'
-import { RuntimeEmulatorCommands, setEmulatorBridge } from './orca-runtime-emulator'
+import { RuntimeEmulatorCommands } from './orca-runtime-emulator'
 import type { EmulatorBridge } from '../emulator/emulator-bridge'
 import { RuntimeFileCommands } from './orca-runtime-files'
 import { RuntimeGitCommands } from './orca-runtime-git'
@@ -5167,7 +5167,6 @@ export class OrcaRuntimeService {
 
   setEmulatorBridge(bridge: EmulatorBridge | null): void {
     this.emulatorBridge = bridge
-    setEmulatorBridge(bridge)
   }
 
   getEmulatorBridge(): EmulatorBridge | null {
diff --git a/src/main/runtime/orchestration/groups.ts b/src/main/runtime/orchestration/groups.ts
index 5d24f68a107..6f31f5df261 100644
--- a/src/main/runtime/orchestration/groups.ts
+++ b/src/main/runtime/orchestration/groups.ts
@@ -20,8 +20,6 @@ const AGENT_NAME_GROUPS = [
 
 type AgentNameGroup = (typeof AGENT_NAME_GROUPS)[number]
 
-export type GroupAddress = '@all' | '@idle' | `@${AgentNameGroup}` | `@worktree:${string}`
-
 export function isGroupAddress(to: string): boolean {
   return to.startsWith('@')
 }
diff --git a/src/main/runtime/rpc/schemas.ts b/src/main/runtime/rpc/schemas.ts
index 5324695c090..fb7b09d8ceb 100644
--- a/src/main/runtime/rpc/schemas.ts
+++ b/src/main/runtime/rpc/schemas.ts
@@ -68,8 +68,6 @@ export const BrowserTarget = z.object({
   page: OptionalString
 })
 
-export type BrowserTargetInput = z.infer<typeof BrowserTarget>
-
 export function requiredString(message: string) {
   return z
     .unknown()
diff --git a/src/main/shell-ready-marker-scanner.ts b/src/main/shell-ready-marker-scanner.ts
index d0633fa1393..0e6250e1c4e 100644
--- a/src/main/shell-ready-marker-scanner.ts
+++ b/src/main/shell-ready-marker-scanner.ts
@@ -1,5 +1,4 @@
 export const SHELL_READY_MARKER_PREFIX = '\x1b]777;orca-shell-ready'
-export const SHELL_READY_MARKER = `${SHELL_READY_MARKER_PREFIX}\x07`
 
 export type ShellReadyScanState = {
   matchPos: number
diff --git a/src/main/ssh/relay-protocol.ts b/src/main/ssh/relay-protocol.ts
index 4a60237874a..4c5e258b01a 100644
--- a/src/main/ssh/relay-protocol.ts
+++ b/src/main/ssh/relay-protocol.ts
@@ -2,7 +2,6 @@
 // 13-byte framing header matching VS Code's PersistentProtocol wire format.
 // See design-ssh-support.md § JSON-RPC Protocol Specification.
 
-import { DEFAULT_SSH_RELAY_GRACE_PERIOD_SECONDS } from '../../shared/ssh-types'
 import {
   FrameDecoder,
   FrameDecoderContinuationError,
@@ -41,9 +40,6 @@ export const MessageType = {
 export const KEEPALIVE_SEND_MS = 5_000
 export const TIMEOUT_MS = 20_000
 
-/** Reconnection grace period (default, overridable by relay --grace-time). */
-export const DEFAULT_GRACE_TIME_MS = DEFAULT_SSH_RELAY_GRACE_PERIOD_SECONDS * 1000
-
 // ── Relay error codes ───────────────────────────────────────────────
 
 export const RelayErrorCode = {
diff --git a/src/main/ssh/sftp-namespace-resolution.ts b/src/main/ssh/sftp-namespace-resolution.ts
index 5ee329a40c4..dd019a84d88 100644
--- a/src/main/ssh/sftp-namespace-resolution.ts
+++ b/src/main/ssh/sftp-namespace-resolution.ts
@@ -116,8 +116,8 @@ function realpathSftp(sftp: SFTPWrapper, remotePath: string): Promise<string> {
   })
 }
 
-// Why: sftpPathExists collapses "absent" and "could not tell" into one boolean;
-// namespace selection must never treat an inconclusive probe as absence.
+// Why: namespace selection must never treat an inconclusive lstat as absence,
+// so the probe reports "unknown" rather than collapsing to a boolean.
 function probeMarkerPath(sftp: SFTPWrapper, remotePath: string): Promise<MarkerProbe> {
   return new Promise((resolve) => {
     sftp.lstat(remotePath, (err) => {
diff --git a/src/main/ssh/sftp-upload.ts b/src/main/ssh/sftp-upload.ts
index e962c7463fa..6344a7c1457 100644
--- a/src/main/ssh/sftp-upload.ts
+++ b/src/main/ssh/sftp-upload.ts
@@ -282,25 +282,3 @@ async function assertLocalUploadPathInsideRoot(
     throw new Error(`Path escaped upload root: ${candidatePath}`)
   }
 }
-
-/**
- * Check whether a path exists on the remote via SFTP lstat.
- * Returns true if the path exists (file, directory, or symlink).
- */
-export function sftpPathExists(sftp: SFTPWrapper, remotePath: string): Promise<boolean> {
-  return new Promise((resolve, reject) => {
-    sftp.lstat(remotePath, (err) => {
-      if (!err) {
-        resolve(true)
-        return
-      }
-      // Why: SFTP status code 2 = SSH_FX_NO_SUCH_FILE — the path does not
-      // exist, which is the expected "no collision" signal for deconfliction.
-      if ((err as { code?: number }).code === 2) {
-        resolve(false)
-        return
-      }
-      reject(err)
-    })
-  })
-}
diff --git a/src/main/ssh/ssh-pty-consumer-session.ts b/src/main/ssh/ssh-pty-consumer-session.ts
index 4bfebc6360f..8bb272d7273 100644
--- a/src/main/ssh/ssh-pty-consumer-session.ts
+++ b/src/main/ssh/ssh-pty-consumer-session.ts
@@ -2,7 +2,6 @@ import {
   PTY_CONSUMER_SESSION_PROTOCOL_VERSION,
   type PtyConsumerSessionGrant
 } from '../../shared/pty-consumer-session'
-import { DEFAULT_PTY_SOURCE_WINDOW_SU } from '../../shared/pty-source-credit-contract'
 import type { SshChannelMultiplexer } from './ssh-channel-multiplexer'
 
 export const SSH_PTY_OPEN_CLIENT_METHOD = 'pty.openClient'
@@ -140,5 +139,3 @@ export async function openSshPtyConsumerSession(
       : {})
   }
 }
-
-export const SSH_PTY_SOURCE_WINDOW_SU = DEFAULT_PTY_SOURCE_WINDOW_SU
diff --git a/src/main/ssh/ssh-relay-session-managed-hooks.test.ts b/src/main/ssh/ssh-relay-session-managed-hooks.test.ts
index 95492aa3a3a..b0acfeb29e2 100644
--- a/src/main/ssh/ssh-relay-session-managed-hooks.test.ts
+++ b/src/main/ssh/ssh-relay-session-managed-hooks.test.ts
@@ -15,7 +15,6 @@ const { muxRequestMock, openConsumerSessionMock } = vi.hoisted(() => ({
 vi.mock('./ssh-relay-deploy', () => ({ deployAndLaunchRelay: vi.fn() }))
 vi.mock('./ssh-relay-deploy-helpers', () => ({ execCommand: vi.fn().mockResolvedValue('') }))
 vi.mock('./ssh-pty-consumer-session', () => ({
-  SSH_PTY_SOURCE_WINDOW_SU: 256 * 1024,
   openSshPtyConsumerSession: openConsumerSessionMock
 }))
 vi.mock('./ssh-channel-multiplexer', () => ({
diff --git a/src/main/ssh/ssh-relay-session.test.ts b/src/main/ssh/ssh-relay-session.test.ts
index eb81cda4cb1..570fca21fd4 100644
--- a/src/main/ssh/ssh-relay-session.test.ts
+++ b/src/main/ssh/ssh-relay-session.test.ts
@@ -21,7 +21,6 @@ vi.mock('./ssh-relay-deploy', () => ({
 }))
 
 vi.mock('./ssh-pty-consumer-session', () => ({
-  SSH_PTY_SOURCE_WINDOW_SU: 256 * 1024,
   openSshPtyConsumerSession: openConsumerSessionMock
 }))
 
diff --git a/src/main/system-fonts.ts b/src/main/system-fonts.ts
index 15ff9c28bde..20a8764548c 100644
--- a/src/main/system-fonts.ts
+++ b/src/main/system-fonts.ts
@@ -31,10 +31,6 @@ export async function listSystemFontFamilies(): Promise<string[]> {
   return fontsPromise
 }
 
-export function warmSystemFontFamilies(): void {
-  void listSystemFontFamilies()
-}
-
 function loadSystemFontFamilies(): Promise<string[]> {
   if (process.platform === 'darwin') {
     return listMacFonts()
diff --git a/src/main/telemetry/client.ts b/src/main/telemetry/client.ts
index d1f2b2fa057..93bddaaab81 100644
--- a/src/main/telemetry/client.ts
+++ b/src/main/telemetry/client.ts
@@ -329,10 +329,6 @@ export function _setShuttingDownForTests(value: boolean): void {
   shuttingDown = value
 }
 
-export function _getSessionIdForTests(): string | null {
-  return sessionId
-}
-
 export function _enableTransportForTests(enabled: boolean): void {
   testTransportEnabled = enabled
 }
diff --git a/src/relay/fs-handler-file-read.ts b/src/relay/fs-handler-file-read.ts
index 14672457cc6..4a6f663484d 100644
--- a/src/relay/fs-handler-file-read.ts
+++ b/src/relay/fs-handler-file-read.ts
@@ -2,12 +2,7 @@ import { open, readFile, stat } from 'node:fs/promises'
 import type { FileHandle } from 'node:fs/promises'
 import { extname } from 'node:path'
 import type { RelayDispatcher, RequestContext } from './dispatcher'
-import {
-  MAX_CONCURRENT_STREAMS,
-  STREAM_ACK_WINDOW_CHUNKS,
-  STREAM_CHUNK_SIZE,
-  RelayErrorCode
-} from './protocol'
+import { MAX_CONCURRENT_STREAMS, STREAM_ACK_WINDOW_CHUNKS, STREAM_CHUNK_SIZE } from './protocol'
 import { TooManyStreamsError, type RelayStreamRegistry } from './fs-stream-registry'
 import {
   BINARY_PROBE_BYTES,
@@ -360,7 +355,3 @@ async function readFullStreamChunk(
   }
   return totalRead
 }
-
-export function isTooManyStreamsError(err: unknown): err is TooManyStreamsError {
-  return err instanceof Error && (err as { code?: number }).code === RelayErrorCode.TooManyStreams
-}
diff --git a/src/renderer/src/components/automations/automation-page-parts.tsx b/src/renderer/src/components/automations/automation-page-parts.tsx
index 7d96be1efa3..9b38cac5fc1 100644
--- a/src/renderer/src/components/automations/automation-page-parts.tsx
+++ b/src/renderer/src/components/automations/automation-page-parts.tsx
@@ -107,12 +107,3 @@ export function Field({
     </div>
   )
 }
-
-export function Metric({ label, value }: { label: string; value: string }): React.JSX.Element {
-  return (
-    <div className="min-w-0 rounded-md border border-border p-3">
-      <div className="text-xs text-muted-foreground">{label}</div>
-      <div className="mt-1 truncate text-sm font-medium">{value}</div>
-    </div>
-  )
-}
diff --git a/src/renderer/src/components/browser-pane/browser-automation-visibility.ts b/src/renderer/src/components/browser-pane/browser-automation-visibility.ts
index d18c331c801..6b092f2c950 100644
--- a/src/renderer/src/components/browser-pane/browser-automation-visibility.ts
+++ b/src/renderer/src/components/browser-pane/browser-automation-visibility.ts
@@ -72,11 +72,6 @@ export function isBrowserAutomationVisible(browserPageId: string): boolean {
   return (leaseCountsByPageId.get(browserPageId) ?? 0) > 0
 }
 
-export function useBrowserAutomationVisibility(browserPageId: string | null | undefined): boolean {
-  useSyncExternalStore(subscribe, getSnapshot, getServerSnapshot)
-  return Boolean(browserPageId && isBrowserAutomationVisible(browserPageId))
-}
-
 export function useBrowserAutomationVisibilityForAny(
   browserPageIds: readonly (string | null | undefined)[]
 ): boolean {
diff --git a/src/renderer/src/components/browser-pane/browser-page-zoom.ts b/src/renderer/src/components/browser-pane/browser-page-zoom.ts
index 4a4f3924942..2a5233c5cf1 100644
--- a/src/renderer/src/components/browser-pane/browser-page-zoom.ts
+++ b/src/renderer/src/components/browser-pane/browser-page-zoom.ts
@@ -107,14 +107,6 @@ export function getBrowserPageZoomIndicatorState({
   }
 }
 
-export function dispatchBrowserPageZoomEvent(detail: BrowserPageZoomEventDetail): void {
-  window.dispatchEvent(
-    new CustomEvent<BrowserPageZoomEventDetail>(ORCA_BROWSER_PAGE_ZOOM_EVENT, {
-      detail
-    })
-  )
-}
-
 export function addBrowserPageZoomEventListener(
   callback: (detail: BrowserPageZoomEventDetail) => void
 ): () => void {
diff --git a/src/renderer/src/components/dashboard/useDashboardData.ts b/src/renderer/src/components/dashboard/useDashboardData.ts
index 71632ac93e6..65c57ab2f4e 100644
--- a/src/renderer/src/components/dashboard/useDashboardData.ts
+++ b/src/renderer/src/components/dashboard/useDashboardData.ts
@@ -1,18 +1,9 @@
-import { useMemo } from 'react'
-import { useAppStore } from '@/store'
-import { isExplicitAgentStatusFresh } from '@/lib/agent-status'
-import {
-  AGENT_STATUS_STALE_AFTER_MS,
-  type AgentStatusEntry,
-  type AgentStatusState,
-  type AgentType,
-  type MigrationUnsupportedPtyEntry
+import type {
+  AgentStatusEntry,
+  AgentStatusState,
+  AgentType
 } from '../../../../shared/agent-status-types'
-import type { Repo, Worktree, TerminalTab } from '../../../../shared/types'
-import { parsePaneKey } from '../../../../shared/stable-pane-id'
-import { migrationUnsupportedToAgentStatusEntry } from '@/lib/migration-unsupported-agent-entry'
-
-// ─── Shared data types ────────────────────────────────────────────────────────
+import type { TerminalTab } from '../../../../shared/types'
 
 export type DashboardAgentRow = {
   /** Row identity. For 'subagent' rows this is a synthetic key (the child has
@@ -37,171 +28,3 @@ export type DashboardAgentRow = {
     childCount: number
   }
 }
-
-// Why: the shape here is deliberately minimal. The per-card rendering pipeline
-// is separate (WorktreeCardAgents + useWorktreeAgentRows read retained entries
-// directly from the store).
-export type DashboardWorktreeCard = {
-  repo: Repo
-  worktree: Worktree
-  agents: DashboardAgentRow[]
-}
-
-export type DashboardProjectGroup = {
-  repo: Repo
-  worktrees: DashboardWorktreeCard[]
-}
-
-// ─── Helpers ──────────────────────────────────────────────────────────────────
-
-// Why: only surface agents that have reported state via a hook. A tab hosting
-// a shell, a REPL before its first turn, or an agent we have no hook
-// integration for will have no entry here — and that's correct. Agent rows
-// represent *agent work in progress*, not "which terminals might contain an
-// agent".
-function buildAgentRowsForWorktree(
-  worktreeId: string,
-  tabsByWorktree: Record<string, TerminalTab[]>,
-  entriesByTabId: Map<string, AgentStatusEntry[]>,
-  now: number
-): DashboardAgentRow[] {
-  const tabs = tabsByWorktree[worktreeId] ?? []
-  const rows: DashboardAgentRow[] = []
-
-  for (const tab of tabs) {
-    const explicitEntries = entriesByTabId.get(tab.id) ?? []
-    for (const entry of explicitEntries) {
-      // Why: decay stale working/blocked/waiting entries to 'idle' when the hook
-      // stream has gone silent past AGENT_STATUS_STALE_AFTER_MS (30 min TTL).
-      // Without this, an agent process that exited without sending a final
-      // update would remain "working" forever — the Active/Blocked filters and
-      // the sidebar's running-agents count would mislead the user into chasing
-      // dead work. `done` is terminal and must NOT decay to idle: retention
-      // (collectRetainedAgentsOnDisappear) only retains rows whose prev state
-      // was 'done', so decaying a stale done → idle would silently drop the
-      // completion signal when the entry later disappears.
-      const isFresh = isExplicitAgentStatusFresh(entry, now, AGENT_STATUS_STALE_AFTER_MS)
-      const shouldDecay =
-        !isFresh &&
-        (entry.state === 'working' || entry.state === 'blocked' || entry.state === 'waiting')
-      rows.push({
-        paneKey: entry.paneKey,
-        entry,
-        tab,
-        agentType: entry.agentType ?? 'unknown',
-        rowSource: 'live',
-        state: shouldDecay ? 'idle' : entry.state,
-        // Why: the oldest stateHistory entry's startedAt is the agent's original
-        // "first seen" timestamp. When history is empty the entry has never
-        // transitioned state, so stateStartedAt (the moment the current — and
-        // only — state began) is the true first-seen timestamp. Do NOT fall back
-        // to updatedAt: it advances on every tool/prompt ping within the same
-        // state, which would corrupt oldest-first ordering and the "started …
-        // ago" display for long-running agents between state transitions. See
-        // agent-status.ts (stateStartedAt carry-forward on same-state pings).
-        startedAt: entry.stateHistory[0]?.startedAt ?? entry.stateStartedAt
-      })
-    }
-  }
-
-  return rows
-}
-
-function buildDashboardData(
-  repos: Repo[],
-  worktreesByRepo: Record<string, Worktree[]>,
-  tabsByWorktree: Record<string, TerminalTab[]>,
-  agentStatusByPaneKey: Record<string, AgentStatusEntry>,
-  migrationUnsupportedByPtyId: Record<string, MigrationUnsupportedPtyEntry>,
-  now: number
-): DashboardProjectGroup[] {
-  // Why: build a tabId -> entries index once per computation instead of
-  // re-scanning every agent status entry inside the per-tab loop. paneKey is
-  // formatted as `${tabId}:${leafId}`; parsePaneKey also drops legacy numeric
-  // suffixes so stale rows do not remain routable after pane replay.
-  const entriesByTabId = new Map<string, AgentStatusEntry[]>()
-  for (const [paneKey, entry] of Object.entries(agentStatusByPaneKey)) {
-    const parsed = parsePaneKey(paneKey)
-    if (!parsed) {
-      continue
-    }
-    const bucket = entriesByTabId.get(parsed.tabId)
-    if (bucket) {
-      bucket.push(entry)
-    } else {
-      entriesByTabId.set(parsed.tabId, [entry])
-    }
-  }
-  for (const unsupported of Object.values(migrationUnsupportedByPtyId)) {
-    const entry = migrationUnsupportedToAgentStatusEntry(unsupported)
-    if (!entry) {
-      continue
-    }
-    const parsed = parsePaneKey(entry.paneKey)
-    if (!parsed) {
-      continue
-    }
-    const bucket = entriesByTabId.get(parsed.tabId)
-    if (bucket) {
-      bucket.push(entry)
-    } else {
-      entriesByTabId.set(parsed.tabId, [entry])
-    }
-  }
-
-  return repos.map((repo) => {
-    const worktrees = (worktreesByRepo[repo.id] ?? [])
-      .filter((w) => !w.isArchived)
-      .map((worktree) => {
-        const agents = buildAgentRowsForWorktree(worktree.id, tabsByWorktree, entriesByTabId, now)
-        return { repo, worktree, agents } satisfies DashboardWorktreeCard
-      })
-
-    return { repo, worktrees } satisfies DashboardProjectGroup
-  })
-}
-
-// ─── Hook ─────────────────────────────────────────────────────────────────────
-
-/**
- * Cross-worktree aggregate of live agent rows.
- *
- * Not used to render anything directly — the inline list reads its own
- * worktree-scoped slice via useWorktreeAgentRows.
- */
-export function useDashboardData(): DashboardProjectGroup[] {
-  const repos = useAppStore((s) => s.repos)
-  const worktreesByRepo = useAppStore((s) => s.worktreesByRepo)
-  const tabsByWorktree = useAppStore((s) => s.tabsByWorktree)
-  const agentStatusByPaneKey = useAppStore((s) => s.agentStatusByPaneKey)
-  const migrationUnsupportedByPtyId = useAppStore((s) => s.migrationUnsupportedByPtyId)
-  // Why: agentStatusEpoch is included in the dependency array (but not in the
-  // computation itself) so the memo recomputes when freshness boundaries expire,
-  // even if no new PTY data arrives.
-  const agentStatusEpoch = useAppStore((s) => s.agentStatusEpoch)
-
-  return useMemo(
-    // Why: Date.now() is read inside the memo (not as a dep) so stale-decay
-    // recalculates whenever agentStatusEpoch ticks. The epoch bumps when the
-    // freshness boundary crosses, driving re-evaluation without coupling to
-    // wall-clock time directly.
-    () =>
-      buildDashboardData(
-        repos,
-        worktreesByRepo,
-        tabsByWorktree,
-        agentStatusByPaneKey,
-        migrationUnsupportedByPtyId,
-        Date.now()
-      ),
-    // eslint-disable-next-line react-hooks/exhaustive-deps
-    [
-      repos,
-      worktreesByRepo,
-      tabsByWorktree,
-      agentStatusByPaneKey,
-      migrationUnsupportedByPtyId,
-      agentStatusEpoch
-    ]
-  )
-}
diff --git a/src/renderer/src/components/editor/NotesSendMenu.test.tsx b/src/renderer/src/components/editor/NotesSendMenu.test.tsx
index d977ec5ae9b..a176594bc80 100644
--- a/src/renderer/src/components/editor/NotesSendMenu.test.tsx
+++ b/src/renderer/src/components/editor/NotesSendMenu.test.tsx
@@ -134,8 +134,7 @@ vi.mock('./ReviewNotesSendMenuContent', () => ({
 vi.mock('@/lib/active-agent-note-send', () => ({
   activeAgentNotesSendFailureMessage: (status: string) => status,
   getActiveTerminalNoteTarget: () => null,
-  sendNotesToActiveAgentSession: vi.fn(),
-  useCanSendNotesToActiveTerminal: () => false
+  sendNotesToActiveAgentSession: vi.fn()
 }))
 
 vi.mock('sonner', () => ({
diff --git a/src/renderer/src/components/editor/ReviewNotesSendMenuContent.test.tsx b/src/renderer/src/components/editor/ReviewNotesSendMenuContent.test.tsx
index 2007b142702..92e7e21da80 100644
--- a/src/renderer/src/components/editor/ReviewNotesSendMenuContent.test.tsx
+++ b/src/renderer/src/components/editor/ReviewNotesSendMenuContent.test.tsx
@@ -91,8 +91,7 @@ vi.mock('@/lib/active-agent-note-send', () => ({
     status: string,
     options: { explicitTarget?: boolean } = {}
   ) => (options.explicitTarget ? `selected:${status}` : status),
-  sendNotesToActiveAgentSession: harness.sendNotesToActiveAgentSession,
-  useCanSendNotesToActiveTerminal: () => true
+  sendNotesToActiveAgentSession: harness.sendNotesToActiveAgentSession
 }))
 
 vi.mock('@/lib/notes-send-agent-targets', () => ({
diff --git a/src/renderer/src/components/editor/markdown-round-trip.ts b/src/renderer/src/components/editor/markdown-round-trip.ts
index fcfa39efdc0..2655ca225b3 100644
--- a/src/renderer/src/components/editor/markdown-round-trip.ts
+++ b/src/renderer/src/components/editor/markdown-round-trip.ts
@@ -7,11 +7,6 @@ import { createRichMarkdownHtmlSuperscriptLinkContext } from './rich-markdown-ht
 const roundTripCache = new Map<string, string | null>()
 const MAX_CACHE_ENTRIES = 20
 
-export function canRoundTripRichMarkdown(content: string): boolean {
-  const output = getRichMarkdownRoundTripOutput(content)
-  return output !== null && normalizeMarkdown(content) === normalizeMarkdown(output)
-}
-
 export function getRichMarkdownRoundTripOutput(content: string): string | null {
   const cached = roundTripCache.get(content)
   if (cached !== undefined) {
@@ -59,7 +54,3 @@ export function getRichMarkdownRoundTripOutput(content: string): string | null {
 
   return output
 }
-
-function normalizeMarkdown(content: string): string {
-  return content.replace(/\r\n/g, '\n').trimEnd()
-}
diff --git a/src/renderer/src/components/emulator-pane/emulator-keyboard-paste.ts b/src/renderer/src/components/emulator-pane/emulator-keyboard-paste.ts
index ad6a371b334..dd641a83a52 100644
--- a/src/renderer/src/components/emulator-pane/emulator-keyboard-paste.ts
+++ b/src/renderer/src/components/emulator-pane/emulator-keyboard-paste.ts
@@ -57,10 +57,6 @@ export type PasteTextIntoEmulatorKeyboardOptions = {
   text: string
 }
 
-export function getEmulatorKeyboardPasteByteLength(text: string): number {
-  return measureClipboardTextByteLength(text).byteLength
-}
-
 export function buildEmulatorKeyboardPastePlan(
   text: string,
   options: {
diff --git a/src/renderer/src/components/emulator-pane/emulator-pane-types.ts b/src/renderer/src/components/emulator-pane/emulator-pane-types.ts
index bd2b4589f48..80da92fc471 100644
--- a/src/renderer/src/components/emulator-pane/emulator-pane-types.ts
+++ b/src/renderer/src/components/emulator-pane/emulator-pane-types.ts
@@ -70,5 +70,3 @@ export function pickDefaultDevice(devices: SimulatorDeviceRow[]): SimulatorDevic
     null
   )
 }
-
-export const isMacOs = typeof navigator !== 'undefined' && navigator.userAgent.includes('Mac')
diff --git a/src/renderer/src/components/github-project/column-widths.ts b/src/renderer/src/components/github-project/column-widths.ts
index 678de5de084..68106fb451b 100644
--- a/src/renderer/src/components/github-project/column-widths.ts
+++ b/src/renderer/src/components/github-project/column-widths.ts
@@ -70,17 +70,3 @@ export function resolveWidth(
   }
   return defaultWidthFor(field)
 }
-
-export function buildGridTemplate(
-  fields: GitHubProjectField[],
-  widths: Readonly<Record<string, number>>
-): string {
-  // Why: emit `minmax(<min>px, <weight>fr)` so the grid honors the
-  // user's relative weights AND fits within the container — pixel
-  // widths would let a wide TITLE blow past the parent and push the
-  // surrounding chrome out. The minmax floor is what stops a column
-  // from collapsing to zero when its weight is small.
-  const cols = fields.map((f) => `minmax(${MIN_COLUMN_WIDTH}px, ${resolveWidth(f, widths)}fr)`)
-  cols.push(`${ACTION_COLUMN_WIDTH}px`)
-  return cols.join(' ')
-}
diff --git a/src/renderer/src/components/github/github-issue-comment-helpers.ts b/src/renderer/src/components/github/github-issue-comment-helpers.ts
index ab6c3ad4bfc..01f40093db5 100644
--- a/src/renderer/src/components/github/github-issue-comment-helpers.ts
+++ b/src/renderer/src/components/github/github-issue-comment-helpers.ts
@@ -1,80 +1,3 @@
-import { useAppStore } from '@/store'
-import { callRuntimeRpc, getActiveRuntimeTarget } from '@/runtime/runtime-rpc-client'
-import type { GitHubIssueCloseReason, GlobalSettings } from '../../../../shared/types'
-import type { TaskSourceContext } from '../../../../shared/task-source-context'
-
-export type GitHubIssueCommentProjectOrigin = {
-  owner: string
-  repo: string
-  cacheKey: string
-  projectItemId: string
-}
-
-export async function runIssueStateUpdate(args: {
-  repoPath: string
-  repoId?: string | null
-  sourceContext?: TaskSourceContext | null
-  sourceSettings?: Pick<GlobalSettings, 'activeRuntimeEnvironmentId'> | null | undefined
-  projectOrigin: GitHubIssueCommentProjectOrigin | undefined
-  number: number
-  updates: {
-    state: 'open' | 'closed'
-    stateReason?: GitHubIssueCloseReason
-    duplicateOf?: number
-  }
-}): Promise<void> {
-  if (args.projectOrigin) {
-    const target = getActiveRuntimeTarget(args.sourceSettings ?? useAppStore.getState().settings)
-    const updateArgs = {
-      owner: args.projectOrigin.owner,
-      repo: args.projectOrigin.repo,
-      number: args.number,
-      updates: args.updates
-    }
-    const res =
-      target.kind === 'environment'
-        ? await callRuntimeRpc<Awaited<ReturnType<typeof window.api.gh.updateIssueBySlug>>>(
-            target,
-            'github.project.updateIssueBySlug',
-            updateArgs,
-            { timeoutMs: 30_000 }
-          )
-        : await window.api.gh.updateIssueBySlug(updateArgs)
-    if (!res.ok) {
-      throw new Error(res.error.message)
-    }
-    return
-  }
-  const res = await window.api.gh.updateIssue({
-    repoPath: args.repoPath,
-    repoId: args.repoId ?? undefined,
-    sourceContext: args.sourceContext,
-    number: args.number,
-    updates: args.updates
-  })
-  if (!res.ok) {
-    throw new Error(res.error)
-  }
-}
-
-export async function addIssueCommentForRepo(args: {
-  repoId?: string
-  repoPath: string
-  sourceContext?: TaskSourceContext | null
-  number: number
-  body: string
-  type?: 'issue' | 'pr'
-}): Promise<Awaited<ReturnType<typeof window.api.gh.addIssueComment>>> {
-  return window.api.gh.addIssueComment({
-    repoPath: args.repoPath,
-    repoId: args.repoId,
-    sourceContext: args.sourceContext,
-    number: args.number,
-    body: args.body,
-    type: args.type
-  })
-}
-
 export function githubAvatarUrl(login: string): string {
   return `https://github.com/${encodeURIComponent(login)}.png?size=64`
 }
diff --git a/src/renderer/src/components/linear-issue-workspace-text.ts b/src/renderer/src/components/linear-issue-workspace-text.ts
index b9a9a518e79..b4e88121bb8 100644
--- a/src/renderer/src/components/linear-issue-workspace-text.ts
+++ b/src/renderer/src/components/linear-issue-workspace-text.ts
@@ -25,21 +25,3 @@ export function formatLinearIssueRelativeTime(input: string): string {
 export function buildLinearIssueBranchName(issue: LinearIssue): string {
   return getUsableLinearBranchName(issue.branchName) ?? getLinearIssueWorkspaceName(issue)
 }
-
-export function buildLinearIssuePrompt(issue: LinearIssue): string {
-  const lines = [
-    `Linear issue: ${issue.identifier} ${issue.title}`,
-    `URL: ${issue.url}`,
-    `State: ${issue.state.name}`,
-    `Assignee: ${issue.assignee?.displayName ?? 'Unassigned'}`,
-    `Team: ${issue.team.name}`
-  ]
-  if (issue.workspaceName) {
-    lines.push(`Workspace: ${issue.workspaceName}`)
-  }
-  const description = issue.description?.trim()
-  if (description) {
-    lines.push('', 'Description:', description)
-  }
-  return lines.join('\n')
-}
diff --git a/src/renderer/src/components/native-chat/native-chat-composer-state.ts b/src/renderer/src/components/native-chat/native-chat-composer-state.ts
index c7c320af52e..a14bed089f6 100644
--- a/src/renderer/src/components/native-chat/native-chat-composer-state.ts
+++ b/src/renderer/src/components/native-chat/native-chat-composer-state.ts
@@ -24,8 +24,6 @@ export {
   type NativeChatSkillDiscoverySnapshot
 } from './native-chat-picker-items'
 
-export type ComposerAutocompleteMode = 'none' | 'slash' | 'mention' | 'skill'
-
 type PickerAutocomplete = {
   query: string
   items: NativeChatPickerItem[]
diff --git a/src/renderer/src/components/onboarding/use-onboarding-flow.ts b/src/renderer/src/components/onboarding/use-onboarding-flow.ts
index e02cb931855..b21b4c742e8 100644
--- a/src/renderer/src/components/onboarding/use-onboarding-flow.ts
+++ b/src/renderer/src/components/onboarding/use-onboarding-flow.ts
@@ -40,8 +40,6 @@ import { buildWindowsTerminalSnapshotPayload } from './windows-terminal-onboardi
 export { STEPS } from './use-onboarding-flow-types'
 export type { StepId, StepNumber } from './use-onboarding-flow-types'
 
-export type OnboardingFlowController = ReturnType<typeof useOnboardingFlow>
-
 type TaskSourcesSnapshotProps = EventProps<'onboarding_task_sources_snapshot'>
 type TaskSourcesGithubStatus = TaskSourcesSnapshotProps['github_status']
 type TaskSourcesLinearStatus = TaskSourcesSnapshotProps['linear_status']
diff --git a/src/renderer/src/components/repo/repo-icon.tsx b/src/renderer/src/components/repo/repo-icon.tsx
index 00d897383df..b82de9e1173 100644
--- a/src/renderer/src/components/repo/repo-icon.tsx
+++ b/src/renderer/src/components/repo/repo-icon.tsx
@@ -27,12 +27,6 @@ import { cn } from '@/lib/utils'
 import { translate } from '@/i18n/i18n'
 import { createLocalizedCatalog } from '@/i18n/localized-catalog'
 
-export type RepoLucideIconOption = {
-  name: string
-  label: string
-  icon: LucideIcon
-}
-
 export const getRepoLucideIconOptions = createLocalizedCatalog(() => [
   {
     name: 'Folder',
diff --git a/src/renderer/src/components/right-sidebar/CreateHostedReviewComposer.tsx b/src/renderer/src/components/right-sidebar/CreateHostedReviewComposer.tsx
index 9656487a72d..7caf09dd128 100644
--- a/src/renderer/src/components/right-sidebar/CreateHostedReviewComposer.tsx
+++ b/src/renderer/src/components/right-sidebar/CreateHostedReviewComposer.tsx
@@ -33,13 +33,6 @@ import {
 
 const EMPTY_DROPDOWN_ITEMS: DropdownEntry[] = []
 
-export type CreateHostedReviewFields = {
-  base: string
-  title: string
-  body: string
-  draft: boolean
-}
-
 export type CreateHostedReviewComposerPrimaryAction = {
   disabled: boolean
   title: string
diff --git a/src/renderer/src/components/right-sidebar/commit-failure-dialog-state.ts b/src/renderer/src/components/right-sidebar/commit-failure-dialog-state.ts
index e3ed0bd27ea..cf53da6faae 100644
--- a/src/renderer/src/components/right-sidebar/commit-failure-dialog-state.ts
+++ b/src/renderer/src/components/right-sidebar/commit-failure-dialog-state.ts
@@ -3,10 +3,6 @@ export type CommitFailureDialogState = {
   open: boolean
 }
 
-export function getCommitFailureDialogWorktreeKey(worktreeId: string | null | undefined): string {
-  return worktreeId ?? 'no-worktree'
-}
-
 export function shouldShowCommitFailureDialog(
   state: CommitFailureDialogState,
   worktreeKey: string,
diff --git a/src/renderer/src/components/right-sidebar/file-explorer-operation-owner.ts b/src/renderer/src/components/right-sidebar/file-explorer-operation-owner.ts
index cb94f03c978..5ef3c247a4d 100644
--- a/src/renderer/src/components/right-sidebar/file-explorer-operation-owner.ts
+++ b/src/renderer/src/components/right-sidebar/file-explorer-operation-owner.ts
@@ -128,16 +128,6 @@ export function getFileExplorerOperationRoute(
   }
 }
 
-export function requireFileExplorerOperationRoute(
-  worktreeId: string | null | undefined
-): FileExplorerOperationRoute {
-  const route = getFileExplorerOperationRoute(getFileExplorerOperationOwner(worktreeId))
-  if (!route) {
-    throw new Error(getFileExplorerOwnerUnresolvedMessage())
-  }
-  return route
-}
-
 export function requireMatchingFileExplorerOperationRoute(
   worktreeId: string | null | undefined,
   expectedOwner: FileExplorerOperationOwner | undefined
diff --git a/src/renderer/src/components/right-sidebar/file-explorer-runtime-owner-boundary.test.ts b/src/renderer/src/components/right-sidebar/file-explorer-runtime-owner-boundary.test.ts
index 8814019ab7a..766e0f11ade 100644
--- a/src/renderer/src/components/right-sidebar/file-explorer-runtime-owner-boundary.test.ts
+++ b/src/renderer/src/components/right-sidebar/file-explorer-runtime-owner-boundary.test.ts
@@ -24,7 +24,7 @@ describe('right sidebar file/git runtime ownership boundaries', () => {
     const text = source(path)
 
     expect(text).toMatch(
-      /getRightSidebarWorktreeRuntimeSettings|getSettingsForWorktreeRuntimeOwner|getFileExplorerOperationOwner|getFileExplorerOperationRoute|captureFileExplorerOperationGuard|requireFileExplorerOperationRoute|requireMatchingFileExplorerOperationRoute/
+      /getRightSidebarWorktreeRuntimeSettings|getSettingsForWorktreeRuntimeOwner|getFileExplorerOperationOwner|getFileExplorerOperationRoute|captureFileExplorerOperationGuard|requireMatchingFileExplorerOperationRoute/
     )
     expect(text).not.toContain('settings: useAppStore.getState().settings')
     expect(text).not.toContain('const settings = useAppStore.getState().settings')
diff --git a/src/renderer/src/components/right-sidebar/push-failure-summary.ts b/src/renderer/src/components/right-sidebar/push-failure-summary.ts
deleted file mode 100644
index 4f20d751e13..00000000000
--- a/src/renderer/src/components/right-sidebar/push-failure-summary.ts
+++ /dev/null
@@ -1,6 +0,0 @@
-export {
-  PUSH_FAILURE_SUMMARY_SCAN_CODE_UNITS,
-  hasExpandedPushFailureDetails,
-  isPushHookFailure,
-  summarizePushFailure
-} from '../../../../shared/source-control-push-failure'
diff --git a/src/renderer/src/components/right-sidebar/source-control-active-open-file-keys.ts b/src/renderer/src/components/right-sidebar/source-control-active-open-file-keys.ts
index 4c28a1062bb..42f14951f44 100644
--- a/src/renderer/src/components/right-sidebar/source-control-active-open-file-keys.ts
+++ b/src/renderer/src/components/right-sidebar/source-control-active-open-file-keys.ts
@@ -4,10 +4,6 @@ const EMPTY_OPEN_ROW_KEYS: ReadonlySet<string> = new Set()
 
 const SIGNATURE_SEPARATOR = '::'
 
-// Why: a plain edit tab carries no diff source, so it is matched against
-// visible pending rows by path instead of a specific diff side.
-export type ActiveOpenFileDiffSource = DiffSource | 'edit'
-
 /**
  * Build the stable string that identifies the active editor file for highlight
  * matching: `${diffSource}::${relativePath}`. Kept as a primitive so the zustand
diff --git a/src/renderer/src/components/right-sidebar/source-control-ai-commit-failure-launch.test.ts b/src/renderer/src/components/right-sidebar/source-control-ai-commit-failure-launch.test.ts
deleted file mode 100644
index 030ac680492..00000000000
--- a/src/renderer/src/components/right-sidebar/source-control-ai-commit-failure-launch.test.ts
+++ /dev/null
@@ -1,175 +0,0 @@
-import { beforeEach, describe, expect, it, vi } from 'vitest'
-import type * as SourceControlLaunchAgentSelectionModule from '@/lib/source-control-launch-agent-selection'
-
-const mocks = vi.hoisted(() => ({
-  ensureDetectedAgents: vi.fn(),
-  ensureRemoteDetectedAgents: vi.fn(),
-  focusTerminalTabSurface: vi.fn(),
-  getConnectionId: vi.fn(),
-  launchAgentInNewTab: vi.fn(),
-  pickSourceControlLaunchAgent: vi.fn(),
-  toastError: vi.fn(),
-  toastSuccess: vi.fn()
-}))
-
-vi.mock('sonner', () => ({
-  toast: {
-    error: mocks.toastError,
-    success: mocks.toastSuccess
-  }
-}))
-
-vi.mock('@/lib/connection-context', () => ({
-  getConnectionId: mocks.getConnectionId
-}))
-
-vi.mock('@/lib/focus-terminal-tab-surface', () => ({
-  focusTerminalTabSurface: mocks.focusTerminalTabSurface
-}))
-
-vi.mock('@/lib/launch-agent-in-new-tab', () => ({
-  launchAgentInNewTab: mocks.launchAgentInNewTab
-}))
-
-vi.mock('@/lib/source-control-launch-agent-selection', async () => {
-  const actual = await vi.importActual<typeof SourceControlLaunchAgentSelectionModule>(
-    '@/lib/source-control-launch-agent-selection'
-  )
-  return {
-    ...actual,
-    pickSourceControlLaunchAgent: mocks.pickSourceControlLaunchAgent
-  }
-})
-
-import { launchSourceControlRecoveryAgentWithDefault } from './source-control-ai-recovery-launch'
-
-const copy = {
-  promptUnavailable: 'Could not build the agent prompt.',
-  emptyPrompt: 'Recovery prompt is empty.',
-  savedAgentUnavailable: 'Saved AI agent is unavailable.',
-  noEnabledAgent: 'No enabled AI agents.',
-  launchCommandUnavailable: 'Could not build the agent launch command.',
-  connectionUnavailable: 'Unable to resolve the workspace connection.',
-  success: 'Started an AI agent for the recovery.'
-}
-
-function launchRecovery(
-  overrides: Partial<Parameters<typeof launchSourceControlRecoveryAgentWithDefault>[0]> = {}
-): Promise<boolean> {
-  return launchSourceControlRecoveryAgentWithDefault({
-    activeWorktreeId: 'wt-1',
-    activeGroupId: 'group-1',
-    activeSourceControlLaunchPlatform: 'darwin',
-    actionId: 'fixCommitFailure',
-    basePrompt: 'Fix this commit failure.',
-    getLaunchActionRecipe: () => ({
-      commandInputTemplate: '{basePrompt}'
-    }),
-    getStoreState: () => ({
-      settings: { defaultTuiAgent: 'codex', disabledTuiAgents: [] } as never,
-      ensureDetectedAgents: mocks.ensureDetectedAgents,
-      ensureRemoteDetectedAgents: mocks.ensureRemoteDetectedAgents
-    }),
-    copy,
-    ...overrides
-  })
-}
-
-describe('launchSourceControlRecoveryAgentWithDefault', () => {
-  beforeEach(() => {
-    vi.clearAllMocks()
-    mocks.getConnectionId.mockReturnValue(null)
-    mocks.ensureDetectedAgents.mockResolvedValue(['codex'])
-    mocks.ensureRemoteDetectedAgents.mockResolvedValue(['codex'])
-    mocks.pickSourceControlLaunchAgent.mockReturnValue('codex')
-    mocks.launchAgentInNewTab.mockReturnValue({ tabId: 'tab-1' })
-  })
-
-  it('rejects invalid saved CLI arguments before detecting agents', async () => {
-    await expect(
-      launchRecovery({
-        getLaunchActionRecipe: () => ({
-          commandInputTemplate: '{basePrompt}',
-          agentArgs: '--model "unterminated'
-        })
-      })
-    ).resolves.toBe(false)
-
-    expect(mocks.ensureDetectedAgents).not.toHaveBeenCalled()
-    expect(mocks.ensureRemoteDetectedAgents).not.toHaveBeenCalled()
-    expect(mocks.launchAgentInNewTab).not.toHaveBeenCalled()
-    expect(mocks.toastError).toHaveBeenCalledWith(
-      'CLI arguments are invalid: Unclosed quote in command template.'
-    )
-  })
-
-  it('treats a null worktree connection as proven local and does not fall back to SSH', async () => {
-    mocks.getConnectionId.mockReturnValue(null)
-
-    await expect(launchRecovery({ sourceRepoConnectionId: 'ssh-1' })).resolves.toBe(true)
-
-    expect(mocks.ensureDetectedAgents).toHaveBeenCalledTimes(1)
-    expect(mocks.ensureRemoteDetectedAgents).not.toHaveBeenCalled()
-    expect(mocks.launchAgentInNewTab).toHaveBeenCalledWith(
-      expect.objectContaining({ prompt: 'Fix this commit failure.' })
-    )
-    expect(mocks.focusTerminalTabSurface).toHaveBeenCalledWith('tab-1')
-    expect(mocks.toastSuccess).toHaveBeenCalledWith('Started an AI agent for the recovery.')
-  })
-
-  it('uses the owning SSH connection when the worktree has one', async () => {
-    mocks.getConnectionId.mockReturnValue('ssh-worktree')
-
-    await expect(launchRecovery()).resolves.toBe(true)
-
-    expect(mocks.ensureRemoteDetectedAgents).toHaveBeenCalledWith('ssh-worktree')
-    expect(mocks.ensureDetectedAgents).not.toHaveBeenCalled()
-  })
-
-  it('falls back to the repo connection only when the worktree connection is unresolved', async () => {
-    mocks.getConnectionId.mockReturnValue(undefined)
-
-    await expect(launchRecovery({ sourceRepoConnectionId: 'ssh-repo' })).resolves.toBe(true)
-
-    expect(mocks.ensureRemoteDetectedAgents).toHaveBeenCalledWith('ssh-repo')
-  })
-
-  it('errors when both worktree and repo connections are unresolved', async () => {
-    mocks.getConnectionId.mockReturnValue(undefined)
-
-    await expect(launchRecovery({ sourceRepoConnectionId: undefined })).resolves.toBe(false)
-
-    expect(mocks.toastError).toHaveBeenCalledWith('Unable to resolve the workspace connection.')
-    expect(mocks.ensureDetectedAgents).not.toHaveBeenCalled()
-    expect(mocks.ensureRemoteDetectedAgents).not.toHaveBeenCalled()
-  })
-
-  it('rejects empty rendered prompts before detecting agents', async () => {
-    await expect(
-      launchRecovery({
-        getLaunchActionRecipe: () => ({
-          commandInputTemplate: '   '
-        })
-      })
-    ).resolves.toBe(false)
-
-    expect(mocks.toastError).toHaveBeenCalledWith('Recovery prompt is empty.')
-    expect(mocks.ensureDetectedAgents).not.toHaveBeenCalled()
-  })
-
-  it('rejects unavailable saved agents before terminal launch', async () => {
-    mocks.ensureDetectedAgents.mockResolvedValue(['claude'])
-
-    await expect(
-      launchRecovery({
-        getLaunchActionRecipe: () => ({
-          agentId: 'codex',
-          commandInputTemplate: '{basePrompt}'
-        })
-      })
-    ).resolves.toBe(false)
-
-    expect(mocks.toastError).toHaveBeenCalledWith('Saved AI agent is unavailable.')
-    expect(mocks.launchAgentInNewTab).not.toHaveBeenCalled()
-  })
-})
diff --git a/src/renderer/src/components/right-sidebar/source-control-ai-commit-failure-launch.ts b/src/renderer/src/components/right-sidebar/source-control-ai-commit-failure-launch.ts
deleted file mode 100644
index a080f587db5..00000000000
--- a/src/renderer/src/components/right-sidebar/source-control-ai-commit-failure-launch.ts
+++ /dev/null
@@ -1,47 +0,0 @@
-import type {
-  SourceControlActionRecipe,
-  SourceControlLaunchActionId
-} from '../../../../shared/source-control-ai-actions'
-import {
-  getDefaultSourceControlRecoveryLaunchCopy,
-  launchSourceControlRecoveryAgentWithDefault
-} from './source-control-ai-recovery-launch'
-import type { AppState } from '@/store'
-
-type SourceControlAiLaunchStoreSnapshot = Pick<
-  AppState,
-  'settings' | 'ensureDetectedAgents' | 'ensureRemoteDetectedAgents'
->
-
-export async function launchCommitFailureAgentWithDefault({
-  activeWorktreeId,
-  activeGroupId,
-  activeSourceControlLaunchPlatform,
-  sourceRepoConnectionId,
-  commitFailureRecoveryPrompt,
-  promptOverride,
-  getLaunchActionRecipe,
-  getStoreState
-}: {
-  activeWorktreeId: string
-  activeGroupId: string | null | undefined
-  activeSourceControlLaunchPlatform: NodeJS.Platform
-  sourceRepoConnectionId?: string | null
-  commitFailureRecoveryPrompt: string | null
-  promptOverride?: string
-  getLaunchActionRecipe: (actionId: SourceControlLaunchActionId) => SourceControlActionRecipe
-  getStoreState: () => SourceControlAiLaunchStoreSnapshot
-}): Promise<boolean> {
-  return launchSourceControlRecoveryAgentWithDefault({
-    activeWorktreeId,
-    activeGroupId,
-    activeSourceControlLaunchPlatform,
-    sourceRepoConnectionId,
-    actionId: 'fixCommitFailure',
-    basePrompt: commitFailureRecoveryPrompt,
-    promptOverride,
-    getLaunchActionRecipe,
-    getStoreState,
-    copy: getDefaultSourceControlRecoveryLaunchCopy('commit')
-  })
-}
diff --git a/src/renderer/src/components/right-sidebar/source-control-ai-push-failure-launch.ts b/src/renderer/src/components/right-sidebar/source-control-ai-push-failure-launch.ts
deleted file mode 100644
index 33e8ab01580..00000000000
--- a/src/renderer/src/components/right-sidebar/source-control-ai-push-failure-launch.ts
+++ /dev/null
@@ -1,47 +0,0 @@
-import type {
-  SourceControlActionRecipe,
-  SourceControlLaunchActionId
-} from '../../../../shared/source-control-ai-actions'
-import {
-  getDefaultSourceControlRecoveryLaunchCopy,
-  launchSourceControlRecoveryAgentWithDefault
-} from './source-control-ai-recovery-launch'
-import type { AppState } from '@/store'
-
-type SourceControlAiLaunchStoreSnapshot = Pick<
-  AppState,
-  'settings' | 'ensureDetectedAgents' | 'ensureRemoteDetectedAgents'
->
-
-export async function launchPushFailureAgentWithDefault({
-  activeWorktreeId,
-  activeGroupId,
-  activeSourceControlLaunchPlatform,
-  sourceRepoConnectionId,
-  pushFailureRecoveryPrompt,
-  promptOverride,
-  getLaunchActionRecipe,
-  getStoreState
-}: {
-  activeWorktreeId: string
-  activeGroupId: string | null | undefined
-  activeSourceControlLaunchPlatform: NodeJS.Platform
-  sourceRepoConnectionId?: string | null
-  pushFailureRecoveryPrompt: string | null
-  promptOverride?: string
-  getLaunchActionRecipe: (actionId: SourceControlLaunchActionId) => SourceControlActionRecipe
-  getStoreState: () => SourceControlAiLaunchStoreSnapshot
-}): Promise<boolean> {
-  return launchSourceControlRecoveryAgentWithDefault({
-    activeWorktreeId,
-    activeGroupId,
-    activeSourceControlLaunchPlatform,
-    sourceRepoConnectionId,
-    actionId: 'fixPushFailure',
-    basePrompt: pushFailureRecoveryPrompt,
-    promptOverride,
-    getLaunchActionRecipe,
-    getStoreState,
-    copy: getDefaultSourceControlRecoveryLaunchCopy('push')
-  })
-}
diff --git a/src/renderer/src/components/right-sidebar/source-control-create-pr-intent-state.ts b/src/renderer/src/components/right-sidebar/source-control-create-pr-intent-state.ts
index b40976642e1..75c4e04a34e 100644
--- a/src/renderer/src/components/right-sidebar/source-control-create-pr-intent-state.ts
+++ b/src/renderer/src/components/right-sidebar/source-control-create-pr-intent-state.ts
@@ -1,14 +1,5 @@
 import type { PrimaryAction } from './source-control-primary-action-types'
-import {
-  resolveCreateReviewIntentEligibility,
-  type CreateReviewIntentEligibility,
-  type CreateReviewIntentKind
-} from '../../../../shared/source-control-create-review-intent'
-
-// Why: renderer APIs keep PR terminology for compatibility, while shared logic
-// uses provider-neutral review terminology for PR/MR hosts.
-export type CreatePrIntentKind = CreateReviewIntentKind
-export type CreatePrIntentEligibility = CreateReviewIntentEligibility
+import { resolveCreateReviewIntentEligibility } from '../../../../shared/source-control-create-review-intent'
 
 export const resolveCreatePrIntentEligibility = resolveCreateReviewIntentEligibility
 
diff --git a/src/renderer/src/components/right-sidebar/source-control-primary-action-types.ts b/src/renderer/src/components/right-sidebar/source-control-primary-action-types.ts
index b3f79e8a69e..da34c8a253d 100644
--- a/src/renderer/src/components/right-sidebar/source-control-primary-action-types.ts
+++ b/src/renderer/src/components/right-sidebar/source-control-primary-action-types.ts
@@ -62,13 +62,3 @@ export type PrimaryActionInputs = {
   // while the request is in flight instead of flashing it in after ~1s.
   isHostedReviewCreationLoading?: boolean
 }
-
-export const PRIMARY_LABEL_BY_KIND: Record<Exclude<PrimaryActionKind, 'commit'>, string> = {
-  stage: 'Stage All',
-  push: 'Push',
-  pull: 'Pull',
-  sync: 'Sync',
-  publish: 'Publish Branch',
-  create_pr_intent: 'Create PR',
-  create_pr: 'Create PR'
-}
diff --git a/src/renderer/src/components/settings/SettingsConstants.ts b/src/renderer/src/components/settings/SettingsConstants.ts
index 0c7706be3bc..260d8b48971 100644
--- a/src/renderer/src/components/settings/SettingsConstants.ts
+++ b/src/renderer/src/components/settings/SettingsConstants.ts
@@ -1,8 +1,6 @@
-import type { OrcaHooks } from '../../../../shared/types'
 import { DEFAULT_APP_FONT_FAMILY, getDefaultRepoHookSettings } from '../../../../shared/constants'
 import { DESKTOP_TERMINAL_SCROLLBACK_ROW_PRESETS } from '../../../../shared/terminal-scrollback-policy'
 
-export type HookName = keyof OrcaHooks['scripts']
 export const DEFAULT_REPO_HOOK_SETTINGS = getDefaultRepoHookSettings()
 export const MAX_THEME_RESULTS = 80
 export const SCROLLBACK_PRESETS_ROWS = DESKTOP_TERMINAL_SCROLLBACK_ROW_PRESETS
diff --git a/src/renderer/src/components/settings/general-search.ts b/src/renderer/src/components/settings/general-search.ts
index 9cff3c527d9..a79f994d5fa 100644
--- a/src/renderer/src/components/settings/general-search.ts
+++ b/src/renderer/src/components/settings/general-search.ts
@@ -193,35 +193,6 @@ export const getGeneralUpdateSearchEntries = createLocalizedCatalog(() => [
   }
 ])
 
-export const getGeneralAgentSearchEntries = createLocalizedCatalog(() => [
-  {
-    title: translate('auto.components.settings.general.search.db11502270', 'Default Agent'),
-    description: translate(
-      'auto.components.settings.general.search.e2da948f59',
-      'Pre-select an AI coding agent in the new-workspace composer.'
-    ),
-    keywords: [
-      ...translateSearchKeyword('auto.components.settings.general.search.8ea37a05bc', 'agent'),
-      ...translateSearchKeyword('auto.components.settings.general.search.41c2f9a025', 'default'),
-      ...translateSearchKeyword('auto.components.settings.general.search.95b63edde7', 'claude'),
-      ...translateSearchKeyword('auto.components.settings.general.search.aea7d2cccb', 'openclaude'),
-      ...translateSearchKeyword(
-        'auto.components.settings.general.search.5baf51c4d9',
-        'open claude'
-      ),
-      ...translateSearchKeyword('auto.components.settings.general.search.27d9b996ba', 'codex'),
-      ...translateSearchKeyword('auto.components.settings.general.search.882c4896fd', 'opencode'),
-      ...translateSearchKeyword('auto.components.settings.general.search.9b0bc30160', 'pi'),
-      ...translateSearchKeyword('auto.components.settings.general.search.5fdf1dc2d1', 'omp'),
-      ...translateSearchKeyword('auto.components.settings.general.search.3c30fe2d51', 'gemini'),
-      ...translateSearchKeyword('auto.components.settings.general.search.f472e97440', 'aider'),
-      ...translateSearchKeyword('auto.components.settings.general.search.5d9ba08673', 'copilot'),
-      ...translateSearchKeyword('auto.components.settings.general.search.c61b14be7c', 'grok'),
-      ...translateSearchKeyword('auto.lib.agent.catalog.fc80296033', 'devin')
-    ]
-  }
-])
-
 type GeneralPaneSearchOptions = {
   includeProjectRuntime?: boolean
 }
diff --git a/src/renderer/src/components/settings/terminal-windows-search.ts b/src/renderer/src/components/settings/terminal-windows-search.ts
index 9aa765177b9..85bb8ed4d76 100644
--- a/src/renderer/src/components/settings/terminal-windows-search.ts
+++ b/src/renderer/src/components/settings/terminal-windows-search.ts
@@ -1,4 +1,3 @@
-import type { SettingsSearchEntry } from './settings-search'
 import { translate } from '@/i18n/i18n'
 import { translateSearchKeyword } from './settings-search-keywords'
 import { createLocalizedCatalog } from '@/i18n/localized-catalog'
@@ -135,9 +134,3 @@ export const getTerminalRightClickToPasteSearchEntry = createLocalizedCatalog(()
     ]
   }
 ])
-
-export const getTerminalWindowsSearchEntries = createLocalizedCatalog((): SettingsSearchEntry[] => [
-  ...getTerminalWindowsShellSearchEntry(),
-  ...getTerminalWindowsPowershellImplementationSearchEntry(),
-  ...getTerminalRightClickToPasteSearchEntry()
-])
diff --git a/src/renderer/src/components/sidebar/WorktreeCardHelpers.tsx b/src/renderer/src/components/sidebar/WorktreeCardHelpers.tsx
index 43f53b76ede..2d2d081b067 100644
--- a/src/renderer/src/components/sidebar/WorktreeCardHelpers.tsx
+++ b/src/renderer/src/components/sidebar/WorktreeCardHelpers.tsx
@@ -1,11 +1,5 @@
 import React from 'react'
-import type {
-  PRState,
-  CheckStatus,
-  GitConflictOperation,
-  TerminalTab
-} from '../../../../shared/types'
-import type { AgentStatusEntry } from '../../../../shared/agent-status-types'
+import type { CheckStatus, GitConflictOperation, TerminalTab } from '../../../../shared/types'
 
 // ── Pure helper functions ────────────────────────────────────────────
 
@@ -13,10 +7,6 @@ export function branchDisplayName(branch: string): string {
   return branch.replace(/^refs\/heads\//, '')
 }
 
-export function prStateLabel(state: PRState): string {
-  return state.charAt(0).toUpperCase() + state.slice(1)
-}
-
 export function checksLabel(status: CheckStatus): string {
   switch (status) {
     case 'success':
@@ -40,7 +30,6 @@ export const CONFLICT_OPERATION_LABELS: Record<Exclude<GitConflictOperation, 'un
 
 export const EMPTY_TABS: TerminalTab[] = []
 export const EMPTY_BROWSER_TABS: { id: string }[] = []
-export const EMPTY_AGENT_ENTRIES: AgentStatusEntry[] = []
 
 // ── SVG icon components ──────────────────────────────────────────────
 
diff --git a/src/renderer/src/components/sidebar/WorktreeCardPorts.tsx b/src/renderer/src/components/sidebar/WorktreeCardPorts.tsx
index abeea1fda54..7f7c411dfa2 100644
--- a/src/renderer/src/components/sidebar/WorktreeCardPorts.tsx
+++ b/src/renderer/src/components/sidebar/WorktreeCardPorts.tsx
@@ -2,10 +2,8 @@ import React, { useCallback, useMemo } from 'react'
 import { Plug, Copy, ExternalLink, Trash2 } from 'lucide-react'
 import { toast } from 'sonner'
 import { useAppStore } from '@/store'
-import { HoverCard, HoverCardContent, HoverCardTrigger } from '@/components/ui/hover-card'
 import { Button } from '@/components/ui/button'
 import { Tooltip, TooltipContent, TooltipTrigger } from '@/components/ui/tooltip'
-import { SelectedTextCopyMenu } from '@/components/SelectedTextCopyMenu'
 import { getActiveRuntimeTarget } from '@/runtime/runtime-rpc-client'
 import { getRuntimeEnvironmentIdForWorktree } from '@/lib/worktree-runtime-owner'
 import {
@@ -19,7 +17,6 @@ import {
 import { useLocalhostLabelRouteForPort } from '@/lib/workspace-port-localhost-label-selector'
 import { addressForPort } from '@/lib/workspace-port-urls'
 import type { WorkspacePort } from '../../../../shared/workspace-ports'
-import { WORKTREE_NATIVE_CONTEXT_MENU_ATTR } from './WorktreeContextMenu'
 import {
   WorktreeCardDetailSection,
   WorktreeCardDetailSectionContent
@@ -321,30 +318,3 @@ export function WorktreeCardPortsDetails({
     </WorktreeCardDetailSection>
   )
 }
-
-export function WorktreeCardPorts({ ports }: WorktreeCardPortsProps): React.JSX.Element | null {
-  if (ports.length === 0) {
-    return null
-  }
-
-  return (
-    <HoverCard openDelay={250} closeDelay={120}>
-      <HoverCardTrigger asChild>
-        <WorktreeCardPortsTrigger ports={ports} />
-      </HoverCardTrigger>
-      <HoverCardContent
-        side="right"
-        align="start"
-        sideOffset={8}
-        className="w-56 select-text p-2 text-xs"
-        {...{ [WORKTREE_NATIVE_CONTEXT_MENU_ATTR]: '' }}
-        onClick={(event) => event.stopPropagation()}
-        onDoubleClick={(event) => event.stopPropagation()}
-      >
-        <SelectedTextCopyMenu>
-          <WorktreeCardPortsDetails ports={ports} />
-        </SelectedTextCopyMenu>
-      </HoverCardContent>
-    </HoverCard>
-  )
-}
diff --git a/src/renderer/src/components/sidebar/create-project-defaults.ts b/src/renderer/src/components/sidebar/create-project-defaults.ts
index fd5175c8c22..9197a8a7d91 100644
--- a/src/renderer/src/components/sidebar/create-project-defaults.ts
+++ b/src/renderer/src/components/sidebar/create-project-defaults.ts
@@ -1,5 +1,3 @@
-export type RepoKind = 'git' | 'folder'
-
 export type GitAvailability = 'checking' | 'available' | 'unavailable' | 'unknown'
 
 function pathSeparatorFor(pathValue: string): '/' | '\\' {
diff --git a/src/renderer/src/components/sidebar/project-header-drop.ts b/src/renderer/src/components/sidebar/project-header-drop.ts
index be012eb72ce..1f7418f805c 100644
--- a/src/renderer/src/components/sidebar/project-header-drop.ts
+++ b/src/renderer/src/components/sidebar/project-header-drop.ts
@@ -28,16 +28,6 @@ export function getProjectHeaderDragBucketKey(
   return repo.projectGroupId ? `group:${repo.projectGroupId}` : 'ungrouped'
 }
 
-export function getSidebarOrderedRepoHeaderIds(rows: readonly Row[]): string[] {
-  const ids: string[] = []
-  for (const row of rows) {
-    if (row.type === 'header' && row.repo) {
-      ids.push(row.repo.id)
-    }
-  }
-  return ids
-}
-
 export function getSidebarOrderedRepoHeaderIdsByBucket(
   rows: readonly Row[]
 ): Map<ProjectHeaderDragBucketKey, string[]> {
diff --git a/src/renderer/src/components/sidebar/sidebar-host-options.ts b/src/renderer/src/components/sidebar/sidebar-host-options.ts
index 248bd98000d..dc764112bcc 100644
--- a/src/renderer/src/components/sidebar/sidebar-host-options.ts
+++ b/src/renderer/src/components/sidebar/sidebar-host-options.ts
@@ -118,13 +118,6 @@ export function buildSidebarHostScopeOptions(
   ]
 }
 
-export function getSidebarHostScopeLabel(
-  scope: WorkspaceHostScope,
-  options: readonly SidebarHostScopeOption[]
-): string {
-  return options.find((option) => option.id === scope)?.label ?? 'All hosts'
-}
-
 export function getSidebarHostVisibilityLabel(
   visibleHostIds: readonly ExecutionHostId[] | null | undefined,
   hosts: readonly SidebarHostOption[]
diff --git a/src/renderer/src/components/sidebar/sidebar-nav-controls.tsx b/src/renderer/src/components/sidebar/sidebar-nav-controls.tsx
index eb98669a39d..466355be56b 100644
--- a/src/renderer/src/components/sidebar/sidebar-nav-controls.tsx
+++ b/src/renderer/src/components/sidebar/sidebar-nav-controls.tsx
@@ -1,6 +1,5 @@
 import React from 'react'
 import { EyeOff } from 'lucide-react'
-import { cn } from '@/lib/utils'
 import { ContextMenuContent, ContextMenuItem } from '@/components/ui/context-menu'
 import { translate } from '@/i18n/i18n'
 
@@ -14,37 +13,3 @@ export function HideSidebarMenu({ onHide }: { onHide: () => void }): React.JSX.E
     </ContextMenuContent>
   )
 }
-
-export function TaskProviderShortcut({
-  canBrowseTasks,
-  label,
-  onOpen,
-  children
-}: {
-  canBrowseTasks: boolean
-  label: string
-  onOpen: () => void
-  children: React.ReactNode
-}): React.JSX.Element {
-  return (
-    <span
-      role={canBrowseTasks ? 'button' : undefined}
-      tabIndex={-1}
-      onClick={(e) => {
-        e.stopPropagation()
-        if (!canBrowseTasks) {
-          return
-        }
-        onOpen()
-      }}
-      className={cn(
-        'rounded p-0.5 text-muted-foreground/70',
-        canBrowseTasks ? 'transition-colors hover:text-foreground' : 'cursor-default'
-      )}
-      aria-label={canBrowseTasks ? label : undefined}
-      aria-hidden={canBrowseTasks ? undefined : true}
-    >
-      {children}
-    </span>
-  )
-}
diff --git a/src/renderer/src/components/sidebar/workspace-kanban-card-drag-preview-dom.ts b/src/renderer/src/components/sidebar/workspace-kanban-card-drag-preview-dom.ts
index 58dafc5db3f..a78fa1230ad 100644
--- a/src/renderer/src/components/sidebar/workspace-kanban-card-drag-preview-dom.ts
+++ b/src/renderer/src/components/sidebar/workspace-kanban-card-drag-preview-dom.ts
@@ -25,18 +25,6 @@ export function setDragDocumentStyles(enabled: boolean): void {
   document.documentElement.toggleAttribute(POINTER_DRAGGING_ATTR, enabled)
 }
 
-export function getDraggedCards(
-  board: HTMLElement,
-  worktreeIds: readonly string[],
-  fallbackCard: HTMLElement
-): HTMLElement[] {
-  const ids = new Set(worktreeIds)
-  const cards = Array.from(board.querySelectorAll<HTMLElement>(CARD_SELECTOR)).filter((card) =>
-    ids.has(card.dataset.workspaceBoardCardId ?? '')
-  )
-  return cards.length > 0 ? cards : [fallbackCard]
-}
-
 export function setDraggedCardsDragging(args: {
   board: HTMLElement | null
   worktreeIds: readonly string[]
diff --git a/src/renderer/src/components/tab-bar/shell-icons.tsx b/src/renderer/src/components/tab-bar/shell-icons.tsx
index 8ea837e360f..a5a896154a9 100644
--- a/src/renderer/src/components/tab-bar/shell-icons.tsx
+++ b/src/renderer/src/components/tab-bar/shell-icons.tsx
@@ -3,8 +3,6 @@ import { WINDOWS_GIT_BASH_SHELL } from '../../../../shared/windows-terminal-shel
 import { translate } from '@/i18n/i18n'
 import gitForWindowsLogoUrl from '../../../../../resources/gwindows_logo.svg?url'
 
-export type WindowsShell = 'powershell.exe' | 'cmd.exe' | 'wsl.exe' | typeof WINDOWS_GIT_BASH_SHELL
-
 // Why: the "+" dropdown and per-tab tab strip both need a visual distinction
 // between PowerShell, CMD, Git Bash, and WSL sessions. Stock lucide glyphs don't
 // differentiate — every session rendered as the same generic chevron. These
diff --git a/src/renderer/src/components/tab-bar/tab-create-entry-path-validation.ts b/src/renderer/src/components/tab-bar/tab-create-entry-path-validation.ts
index a73a66da2b5..91a6415bdd6 100644
--- a/src/renderer/src/components/tab-bar/tab-create-entry-path-validation.ts
+++ b/src/renderer/src/components/tab-bar/tab-create-entry-path-validation.ts
@@ -3,18 +3,6 @@ import { isAbsolutePathLike } from '../editor/editor-panel-file-mode'
 
 export type TabEntryLocalPlatform = 'posix' | 'windows'
 
-function hasPathSeparator(query: string): boolean {
-  return /[\\/]/.test(query)
-}
-
-function hasFilenameExtension(query: string): boolean {
-  return /(?:^|[\\/])[^\\/]+\.[^\\/]+$/.test(query.trim())
-}
-
-export function isLikelyNewFileIntent(query: string): boolean {
-  return hasPathSeparator(query) || hasFilenameExtension(query)
-}
-
 export function isTabEntryAbsolutePathLike(query: string): boolean {
   return isAbsolutePathLike(query.trim())
 }
diff --git a/src/renderer/src/components/tab-group/tab-drag-context.tsx b/src/renderer/src/components/tab-group/tab-drag-context.tsx
index 3cf10ee7e1a..189f583b293 100644
--- a/src/renderer/src/components/tab-group/tab-drag-context.tsx
+++ b/src/renderer/src/components/tab-group/tab-drag-context.tsx
@@ -31,7 +31,3 @@ export function TabDragProvider({
 export function useTabDragActive(): boolean {
   return useContext(TabDragContext).isTabDragActive
 }
-
-export function useTabDragActiveRef(): RefObject<boolean> {
-  return useContext(TabDragContext).isTabDragActiveRef
-}
diff --git a/src/renderer/src/components/terminal-pane/pty-delivery-interest.ts b/src/renderer/src/components/terminal-pane/pty-delivery-interest.ts
index 56519c09e90..bb8e7d65a38 100644
--- a/src/renderer/src/components/terminal-pane/pty-delivery-interest.ts
+++ b/src/renderer/src/components/terminal-pane/pty-delivery-interest.ts
@@ -35,8 +35,3 @@ export function acquirePtyDeliveryInterest(ptyId: string): () => void {
     }
   }
 }
-
-/** Test seam: drop ref counts between tests (no IPC is sent). */
-export function _resetPtyDeliveryInterestForTest(): void {
-  ptyDeliveryInterestRefCounts.clear()
-}
diff --git a/src/renderer/src/components/terminal-pane/pty-pre-handler-buffer.ts b/src/renderer/src/components/terminal-pane/pty-pre-handler-buffer.ts
index 83b3a10f1e2..eca3b7644b9 100644
--- a/src/renderer/src/components/terminal-pane/pty-pre-handler-buffer.ts
+++ b/src/renderer/src/components/terminal-pane/pty-pre-handler-buffer.ts
@@ -176,11 +176,6 @@ export function drainPreHandlerPtyExit(ptyId: string, handler: (code: number) =>
   }
 }
 
-export function clearPreHandlerPtyData(ptyId: string): void {
-  preHandlerPtyData.delete(ptyId)
-  warnedLostHandlerPtyIds.delete(ptyId)
-}
-
 export function clearPreHandlerPtyState(ptyId: string): void {
   preHandlerPtyData.delete(ptyId)
   preHandlerPtyExit.delete(ptyId)
diff --git a/src/renderer/src/components/terminal-pane/terminal-hidden-delivery-gate.ts b/src/renderer/src/components/terminal-pane/terminal-hidden-delivery-gate.ts
index 8123b83a9e1..367c42afe78 100644
--- a/src/renderer/src/components/terminal-pane/terminal-hidden-delivery-gate.ts
+++ b/src/renderer/src/components/terminal-pane/terminal-hidden-delivery-gate.ts
@@ -38,8 +38,3 @@ export function isRendererHiddenPtyDeliveryGateEnabled(
   // side-effect-authority sync read).
   return readPersistedHiddenDeliveryGateFlagSync() !== false
 }
-
-/** Test seam: reset the persisted-flag cache between tests. */
-export function _resetHiddenPtyDeliveryGateFlagCacheForTest(): void {
-  persistedGateFlagCache = undefined
-}
diff --git a/src/renderer/src/components/terminal/terminal-tab-actions.ts b/src/renderer/src/components/terminal/terminal-tab-actions.ts
index 70b408a4b39..3dd2762f7f3 100644
--- a/src/renderer/src/components/terminal/terminal-tab-actions.ts
+++ b/src/renderer/src/components/terminal/terminal-tab-actions.ts
@@ -1,7 +1,5 @@
 import { useAppStore } from '@/store'
-import { TOGGLE_TERMINAL_PANE_EXPAND_EVENT } from '@/constants/terminal'
 import {
-  activateWebRuntimeSessionTab,
   closeWebRuntimeSessionTab,
   isWebRuntimeSessionActive,
   toHostSessionTabId
@@ -226,38 +224,3 @@ export function closeTerminalTab(
   })
   options?.onClosed?.()
 }
-
-export function activateTerminalTab(tabId: string): void {
-  const s = useAppStore.getState()
-  const owningWorktreeId =
-    Object.entries(s.tabsByWorktree).find(([, worktreeTabs]) =>
-      worktreeTabs.some((tab) => tab.id === tabId)
-    )?.[0] ?? null
-  const worktreeRoute = resolveTerminalWorktreeRoute(s, owningWorktreeId)
-  if (!worktreeRoute) {
-    return
-  }
-  const runtimeEnvironmentId = worktreeRoute.runtimeEnvironmentId
-  if (owningWorktreeId && isWebRuntimeSessionActive(runtimeEnvironmentId)) {
-    // Why: activation needs to update the host's active tab as well as the
-    // local optimistic state, otherwise the next host snapshot snaps back.
-    void activateWebRuntimeSessionTab({
-      worktreeId: owningWorktreeId,
-      tabId,
-      environmentId: runtimeEnvironmentId
-    })
-  }
-  s.setActiveTab(tabId)
-  s.setActiveTabType('terminal')
-}
-
-export function toggleTerminalPaneExpand(tabId: string): void {
-  useAppStore.getState().setActiveTab(tabId)
-  requestAnimationFrame(() => {
-    window.dispatchEvent(
-      new CustomEvent(TOGGLE_TERMINAL_PANE_EXPAND_EVENT, {
-        detail: { tabId }
-      })
-    )
-  })
-}
diff --git a/src/renderer/src/constants/terminal.ts b/src/renderer/src/constants/terminal.ts
index a5af687c466..3aea3426622 100644
--- a/src/renderer/src/constants/terminal.ts
+++ b/src/renderer/src/constants/terminal.ts
@@ -26,10 +26,6 @@ export const WAKE_HIBERNATED_AGENTS_WORKTREE_EVENT = 'orca-wake-hibernated-agent
 // per-pane ResizeObserver path instead.
 export const SYNC_FIT_PANES_EVENT = 'orca-sync-fit-panes'
 
-export type ToggleTerminalPaneExpandDetail = {
-  tabId: string
-}
-
 export type FocusTerminalPaneDetail = {
   tabId: string
   /** Stable terminal layout leaf UUID. Numeric PaneManager ids are renderer-local
diff --git a/src/renderer/src/hooks/useAutomationDispatchEvents.test.ts b/src/renderer/src/hooks/useAutomationDispatchEvents.test.ts
index ae8f70d05dd..160496c3be8 100644
--- a/src/renderer/src/hooks/useAutomationDispatchEvents.test.ts
+++ b/src/renderer/src/hooks/useAutomationDispatchEvents.test.ts
@@ -3,7 +3,6 @@ import { beforeEach, describe, expect, it, vi } from 'vitest'
 
 const mockLaunchAgentBackgroundSession = vi.fn()
 const mockLaunchWorktreeBackgroundTerminals = vi.fn()
-const mockSubmitPromptToAgentTab = vi.fn()
 const mockFindReusableAutomationSession = vi.fn()
 const mockObserveExistingAutomationSession = vi.fn()
 const mockCreateWorktree = vi.fn()
@@ -125,9 +124,7 @@ vi.mock('@/lib/launch-worktree-background-terminals', () => ({
   launchWorktreeBackgroundTerminals: mockLaunchWorktreeBackgroundTerminals
 }))
 
-vi.mock('@/lib/agent-paste-draft', () => ({
-  submitPromptToAgentTab: mockSubmitPromptToAgentTab
-}))
+vi.mock('@/lib/agent-paste-draft', () => ({}))
 
 vi.mock('@/lib/automation-session-reuse', () => ({
   findReusableAutomationSession: mockFindReusableAutomationSession
diff --git a/src/renderer/src/hooks/useIssueMetadata.ts b/src/renderer/src/hooks/useIssueMetadata.ts
index 2635825f830..b694c5491dc 100644
--- a/src/renderer/src/hooks/useIssueMetadata.ts
+++ b/src/renderer/src/hooks/useIssueMetadata.ts
@@ -217,11 +217,6 @@ export function clearLinearMetadataCache(): void {
   clearMetadataRequestStore(linearMemberStore)
 }
 
-export function clearGitHubMetadataCache(): void {
-  clearMetadataRequestStore(ghLabelStore)
-  clearMetadataRequestStore(ghAssigneeStore)
-}
-
 export function useTeamStates(
   teamId: string | null,
   settings?: RuntimeLinearSettings,
diff --git a/src/renderer/src/hooks/useShortcutLabel.ts b/src/renderer/src/hooks/useShortcutLabel.ts
index 95dd7320fd3..1d96ad8745a 100644
--- a/src/renderer/src/hooks/useShortcutLabel.ts
+++ b/src/renderer/src/hooks/useShortcutLabel.ts
@@ -61,18 +61,6 @@ export function useOptionalShortcutLabel(actionId: KeybindingActionId): string |
   return formatOptionalShortcutLabel(actionId, keybindings)
 }
 
-export function formatShortcutKeys(
-  actionId: KeybindingActionId,
-  overrides?: KeybindingOverrides
-): string[] {
-  return formatShortcutKeyComboDetails(actionId, overrides)[0]?.keys ?? []
-}
-
-export function useShortcutKeys(actionId: KeybindingActionId): string[] {
-  const keybindings = useAppStore((state) => state.keybindings)
-  return formatShortcutKeys(actionId, keybindings)
-}
-
 export function formatShortcutKeyComboDetails(
   actionId: KeybindingActionId,
   overrides?: KeybindingOverrides
@@ -94,14 +82,3 @@ export function useShortcutKeyComboDetails(
 export function useShortcutKeyDetails(actionId: KeybindingActionId): ShortcutKeyComboDetails {
   return useShortcutKeyComboDetails(actionId)[0] ?? { keys: [], doubleTap: false }
 }
-
-export function formatShortcutKeyCombos(
-  actionId: KeybindingActionId,
-  overrides?: KeybindingOverrides
-): string[][] {
-  return formatShortcutKeyComboDetails(actionId, overrides).map((combo) => combo.keys)
-}
-
-export function useShortcutKeyCombos(actionId: KeybindingActionId): string[][] {
-  return useShortcutKeyComboDetails(actionId).map((combo) => combo.keys)
-}
diff --git a/src/renderer/src/lib/active-agent-note-send.ts b/src/renderer/src/lib/active-agent-note-send.ts
index a2eb9c429d5..0089773c7d3 100644
--- a/src/renderer/src/lib/active-agent-note-send.ts
+++ b/src/renderer/src/lib/active-agent-note-send.ts
@@ -27,7 +27,6 @@ export {
   getActiveAgentRuntimeProbeDescriptor,
   getActiveTerminalNoteTarget,
   probeActiveAgentNoteTarget,
-  useCanSendNotesToActiveTerminal,
   type ActiveTerminalNoteTarget
 } from './active-agent-note-target'
 export {
diff --git a/src/renderer/src/lib/active-agent-note-target.ts b/src/renderer/src/lib/active-agent-note-target.ts
index 9ee0dfc511d..c9e7a833bad 100644
--- a/src/renderer/src/lib/active-agent-note-target.ts
+++ b/src/renderer/src/lib/active-agent-note-target.ts
@@ -1,11 +1,9 @@
-import { useEffect, useState } from 'react'
 import type { RuntimeTerminalListResult } from '../../../shared/runtime-types'
 import {
   AGENT_STATUS_STALE_AFTER_MS,
   type AgentStatusEntry
 } from '../../../shared/agent-status-types'
 import type { AppState } from '@/store/types'
-import { useAppStore } from '@/store'
 import { callRuntimeRpc, getActiveRuntimeTarget } from '@/runtime/runtime-rpc-client'
 import {
   getSettingsForWorktreeRuntimeOwner,
@@ -80,48 +78,6 @@ export function getActiveTerminalNoteTarget(
   return leafId ? { tabId, leafId } : null
 }
 
-export function useCanSendNotesToActiveTerminal(worktreeId: string): boolean {
-  const canSendFromRendererState = useAppStore(
-    (state) => getActiveAgentNoteTarget(state, worktreeId) !== null
-  )
-  const probeKey = useAppStore(
-    (state) => getActiveAgentRuntimeProbeDescriptor(state, worktreeId)?.key ?? null
-  )
-  const [runtimeProbe, setRuntimeProbe] = useState<{ key: string; canSend: boolean } | null>(null)
-
-  useEffect(() => {
-    if (canSendFromRendererState || !probeKey) {
-      return
-    }
-    const probeDescriptor = getActiveAgentRuntimeProbeDescriptor(useAppStore.getState(), worktreeId)
-    if (!probeDescriptor || probeDescriptor.key !== probeKey) {
-      return
-    }
-
-    let cancelled = false
-    void probeActiveAgentNoteTarget(probeDescriptor)
-      .then((canSend) => {
-        if (!cancelled) {
-          setRuntimeProbe({ key: probeKey, canSend })
-        }
-      })
-      .catch(() => {
-        if (!cancelled) {
-          setRuntimeProbe({ key: probeKey, canSend: false })
-        }
-      })
-
-    return () => {
-      cancelled = true
-    }
-  }, [canSendFromRendererState, probeKey, worktreeId])
-
-  return (
-    canSendFromRendererState ||
-    (runtimeProbe !== null && runtimeProbe.key === probeKey && runtimeProbe.canSend)
-  )
-}
-
 export function getActiveAgentNoteTarget(
   state: ActiveTerminalNoteTargetState,
   worktreeId: string,
diff --git a/src/renderer/src/lib/agent-hibernation-coordinator.ts b/src/renderer/src/lib/agent-hibernation-coordinator.ts
index 18948d86e08..b8dd54337b6 100644
--- a/src/renderer/src/lib/agent-hibernation-coordinator.ts
+++ b/src/renderer/src/lib/agent-hibernation-coordinator.ts
@@ -236,10 +236,6 @@ export function stopAgentHibernationCoordinator(): void {
   coordinator.confirmationState = {}
 }
 
-export function isAgentHibernationCoordinatorRunning(): boolean {
-  return coordinator.interval !== null
-}
-
 export function resetAgentHibernationCoordinatorForTests(): void {
   stopAgentHibernationCoordinator()
   coordinator.shuttingDownCandidateIds.clear()
diff --git a/src/renderer/src/lib/agent-paste-draft.ts b/src/renderer/src/lib/agent-paste-draft.ts
index 44495c82e29..4e53f4ac102 100644
--- a/src/renderer/src/lib/agent-paste-draft.ts
+++ b/src/renderer/src/lib/agent-paste-draft.ts
@@ -167,24 +167,6 @@ export async function pasteDraftToAgentPtyWhenReady(args: {
   })
 }
 
-export async function submitPromptToAgentTab(args: {
-  tabId: string
-  content: string
-  timeoutMs?: number
-}): Promise<boolean> {
-  const { tabId, content, timeoutMs } = args
-  const ptyId = await waitForPtyId(tabId, timeoutMs ?? READINESS_TIMEOUT_MS)
-  if (!ptyId) {
-    return false
-  }
-  return await sendBracketedPasteToAgent({
-    settings: getSettingsForAgentTabRuntimeOwner(tabId),
-    ptyId,
-    content,
-    submit: true
-  })
-}
-
 export async function submitPromptToAgentPty(args: {
   tabId: string
   ptyId: string
diff --git a/src/renderer/src/lib/crash-diagnostics.test.ts b/src/renderer/src/lib/crash-diagnostics.test.ts
index 0b93aa15511..6e96efecf0c 100644
--- a/src/renderer/src/lib/crash-diagnostics.test.ts
+++ b/src/renderer/src/lib/crash-diagnostics.test.ts
@@ -156,18 +156,6 @@ describe('renderer crash diagnostics', () => {
     })
   })
 
-  it('disposes global listeners and the memory interval', () => {
-    diagnostics.installRendererCrashDiagnostics()
-
-    diagnostics._disposeRendererCrashDiagnosticsForTests()
-
-    expect(removeEventListenerMock).toHaveBeenCalledWith('error', expect.any(Function))
-    expect(removeEventListenerMock).toHaveBeenCalledWith('unhandledrejection', expect.any(Function))
-    expect(clearIntervalMock).toHaveBeenCalledWith(1)
-    expect(listeners.get('error')).toHaveLength(0)
-    expect(listeners.get('unhandledrejection')).toHaveLength(0)
-  })
-
   it('does not throw when preload is unavailable', () => {
     vi.stubGlobal('window', {})
 
@@ -223,8 +211,9 @@ describe('renderer crash diagnostics', () => {
     })
 
     // Why: a heap that jumps straight past 80% must emit both levels at once.
-    diagnostics._disposeRendererCrashDiagnosticsForTests()
+    vi.resetModules()
     recordBreadcrumbMock.mockClear()
+    diagnostics = (await import('./crash-diagnostics')) as DiagnosticsModule
     diagnostics.installRendererCrashDiagnostics()
     expect(highwaterCalls()).toHaveLength(2)
     expect(getElementsByTagName).toHaveBeenCalledTimes(3)
diff --git a/src/renderer/src/lib/crash-diagnostics.ts b/src/renderer/src/lib/crash-diagnostics.ts
index 90fa45ebba0..95c9bfe213c 100644
--- a/src/renderer/src/lib/crash-diagnostics.ts
+++ b/src/renderer/src/lib/crash-diagnostics.ts
@@ -59,10 +59,6 @@ export function installRendererCrashDiagnostics(surface: RendererSurface = 'main
   }
 }
 
-export function _disposeRendererCrashDiagnosticsForTests(): void {
-  disposeRendererCrashDiagnostics()
-}
-
 function disposeRendererCrashDiagnostics(): void {
   if (!rendererCrashDiagnosticsInstalled || typeof window === 'undefined') {
     return
diff --git a/src/renderer/src/lib/ensure-simulator-tab.ts b/src/renderer/src/lib/ensure-simulator-tab.ts
index 3c363a5e4d9..af2a1c4bf8f 100644
--- a/src/renderer/src/lib/ensure-simulator-tab.ts
+++ b/src/renderer/src/lib/ensure-simulator-tab.ts
@@ -4,8 +4,6 @@ import { cancelPendingSimulatorPaneShutdown } from './simulator-pane-shutdown-sc
 import { shouldShutdownSimulatorForPaneUnmountFromTabs } from './simulator-tab-shutdown'
 import { translate } from '@/i18n/i18n'
 
-export const isMacOsHost = typeof navigator !== 'undefined' && navigator.userAgent.includes('Mac')
-
 type EnsureSimulatorTabOptions = {
   targetGroupId?: string
   placement?: 'activeGroup' | 'rightSplit'
@@ -105,20 +103,4 @@ export function ensureSimulatorTab(
   return tab.id
 }
 
-export function countSimulatorTabs(
-  worktreeId: string,
-  options: { excludingTabId?: string } = {}
-): number {
-  return (useAppStore.getState().unifiedTabsByWorktree[worktreeId] ?? []).filter(
-    (tab) => tab.contentType === 'simulator' && tab.id !== options.excludingTabId
-  ).length
-}
-
-export function shouldShutdownSimulatorForPaneUnmount(worktreeId: string, tabId?: string): boolean {
-  return shouldShutdownSimulatorForPaneUnmountFromTabs(
-    useAppStore.getState().unifiedTabsByWorktree[worktreeId] ?? [],
-    tabId
-  )
-}
-
 export { shouldShutdownSimulatorForPaneUnmountFromTabs }
diff --git a/src/renderer/src/lib/keyboard-layout/input-source-id.ts b/src/renderer/src/lib/keyboard-layout/input-source-id.ts
index 51c1e821f7c..d9f873e76e5 100644
--- a/src/renderer/src/lib/keyboard-layout/input-source-id.ts
+++ b/src/renderer/src/lib/keyboard-layout/input-source-id.ts
@@ -74,7 +74,3 @@ export function classifyInputSourceId(id: string | null | undefined): InputSourc
   // bug from recurring for any future Apple-shipped layout.
   return 'compose'
 }
-
-/** Test-only: exported so tests can assert the allowlist without
- *  reimporting the private constant. */
-export const __metaInputSourceIdsForTests: readonly string[] = META_INPUT_SOURCE_IDS
diff --git a/src/renderer/src/lib/keyboard-layout/option-as-alt-probe.ts b/src/renderer/src/lib/keyboard-layout/option-as-alt-probe.ts
index cfad8c55407..c96730959db 100644
--- a/src/renderer/src/lib/keyboard-layout/option-as-alt-probe.ts
+++ b/src/renderer/src/lib/keyboard-layout/option-as-alt-probe.ts
@@ -204,9 +204,3 @@ export function getOptionAsAltProbe(): OptionAsAltProbe {
   }
   return _singleton
 }
-
-/** Test-only: reset the singleton. */
-export function _resetOptionAsAltProbeForTests(): void {
-  _singleton?.dispose()
-  _singleton = null
-}
diff --git a/src/renderer/src/lib/open-mobile-emulator-tab.test.ts b/src/renderer/src/lib/open-mobile-emulator-tab.test.ts
index 77865652df5..a3d942785b1 100644
--- a/src/renderer/src/lib/open-mobile-emulator-tab.test.ts
+++ b/src/renderer/src/lib/open-mobile-emulator-tab.test.ts
@@ -35,8 +35,7 @@ vi.mock('sonner', () => ({
 
 vi.mock('./ensure-simulator-tab', () => ({
   ensureSimulatorTab: vi.fn(),
-  getSimulatorTabForWorktree: vi.fn(),
-  isMacOsHost: true
+  getSimulatorTabForWorktree: vi.fn()
 }))
 
 const mockAttachResult = {
diff --git a/src/renderer/src/lib/repo-slug-index.ts b/src/renderer/src/lib/repo-slug-index.ts
index ed1dbe5f5e1..1d5f0a7f172 100644
--- a/src/renderer/src/lib/repo-slug-index.ts
+++ b/src/renderer/src/lib/repo-slug-index.ts
@@ -18,7 +18,6 @@ import { useAppStore } from '@/store'
 import type { Repo, GlobalSettings } from '../../../shared/types'
 import { callRuntimeRpc, getActiveRuntimeTarget } from '@/runtime/runtime-rpc-client'
 import {
-  clearRepoSlugCacheValues,
   deleteRepoSlugCacheKey,
   nextRepoSlugFailureRetryDelay,
   readRepoSlugCache,
@@ -69,15 +68,6 @@ export function clearRepoSlugCacheEntry(repoId: string): void {
   }
 }
 
-/** Clear the entire slug cache. Useful for tests or full repo-list resets. */
-export function clearRepoSlugCache(): void {
-  clearRepoSlugCacheValues()
-  for (const key of slugResolutionInFlight.keys()) {
-    slugResolutionGeneration.set(key, (slugResolutionGeneration.get(key) ?? 0) + 1)
-  }
-  slugResolutionInFlight.clear()
-}
-
 async function resolveRepoSlug(
   repo: Repo,
   settings: Pick<GlobalSettings, 'activeRuntimeEnvironmentId'> | null | undefined
diff --git a/src/renderer/src/lib/setup-script-status.ts b/src/renderer/src/lib/setup-script-status.ts
index 9f8dc0c4512..a23d0d1a06f 100644
--- a/src/renderer/src/lib/setup-script-status.ts
+++ b/src/renderer/src/lib/setup-script-status.ts
@@ -1,5 +1,5 @@
 import { resolveHookCommandSourcePolicy } from '../../../shared/hook-command-source-policy'
-import type { Repo, RepoHookSettings } from '../../../shared/types'
+import type { Repo } from '../../../shared/types'
 import type { HookCheckResult } from '@/runtime/runtime-hooks-client'
 
 export function hasEffectiveSetupCommand(repo: Repo, hooksResult: HookCheckResult): boolean {
@@ -20,28 +20,3 @@ export function hasEffectiveSetupCommand(repo: Repo, hooksResult: HookCheckResul
 
   return Boolean(sharedSetup)
 }
-
-export function buildImportedSetupHookSettings(
-  repo: Repo,
-  setup: string,
-  archive: string | undefined,
-  hasSharedHooks: boolean,
-  defaults: RepoHookSettings
-): RepoHookSettings {
-  const current = repo.hookSettings
-  return {
-    ...defaults,
-    ...current,
-    setupRunPolicy: current?.setupRunPolicy ?? defaults.setupRunPolicy,
-    // Why: imported setup commands are stored as local settings. If a shared
-    // hook file exists, run-both preserves its archive hook; otherwise local
-    // settings need to be authoritative so the imported setup actually runs.
-    commandSourcePolicy: hasSharedHooks ? 'run-both' : 'local-only',
-    scripts: {
-      ...defaults.scripts,
-      ...current?.scripts,
-      setup,
-      archive: archive ?? current?.scripts?.archive ?? defaults.scripts.archive
-    }
-  }
-}
diff --git a/src/renderer/src/lib/workspace-port-actions.ts b/src/renderer/src/lib/workspace-port-actions.ts
index 06970100cfd..07643a186a8 100644
--- a/src/renderer/src/lib/workspace-port-actions.ts
+++ b/src/renderer/src/lib/workspace-port-actions.ts
@@ -148,24 +148,6 @@ export async function openWorkspacePortInBrowser(args: {
   return { ok: true }
 }
 
-export async function refreshWorkspacePortScanState(args: {
-  runtimeTarget: RuntimeClientTarget
-  setWorkspacePortScan: WorkspacePortScanSetter
-  setWorkspacePortScanRefreshing: WorkspacePortScanRefreshingSetter
-}): Promise<WorkspacePortScanResult> {
-  args.setWorkspacePortScanRefreshing(true)
-  try {
-    const scan = await scanWorkspacePortsForTarget(args.runtimeTarget)
-    args.setWorkspacePortScan({
-      key: workspacePortScanKeyForTarget(args.runtimeTarget),
-      result: scan
-    })
-    return scan
-  } finally {
-    args.setWorkspacePortScanRefreshing(false)
-  }
-}
-
 export async function refreshWorkspacePortScanAfterStop(args: {
   runtimeTarget: RuntimeClientTarget
   setWorkspacePortScan: WorkspacePortScanSetter
diff --git a/src/renderer/src/store/slices/runtime-detected-agents.ts b/src/renderer/src/store/slices/runtime-detected-agents.ts
index 7da5bef6da9..466c131f4e7 100644
--- a/src/renderer/src/store/slices/runtime-detected-agents.ts
+++ b/src/renderer/src/store/slices/runtime-detected-agents.ts
@@ -35,10 +35,6 @@ export function _getRuntimeDetectPromiseCountForTest(): number {
   return runtimeDetectPromises.size
 }
 
-export function _getRuntimeRefreshPromiseCountForTest(): number {
-  return runtimeRefreshPromises.size
-}
-
 export const createRuntimeDetectedAgentsSlice: StateCreator<
   AppState,
   [],
diff --git a/src/shared/agent-session-host-authority.ts b/src/shared/agent-session-host-authority.ts
index bd138cefd62..96e079afb63 100644
--- a/src/shared/agent-session-host-authority.ts
+++ b/src/shared/agent-session-host-authority.ts
@@ -28,8 +28,6 @@ export const AGENT_SESSION_RPC_ERROR_CODES = [
   'execution_owner_unavailable'
 ] as const
 
-export type AgentSessionRpcErrorCode = (typeof AGENT_SESSION_RPC_ERROR_CODES)[number]
-
 export const AGENT_SESSION_CLAIM_DIGEST_VERSION = 1 as const
 
 export const AGENT_SESSION_EXECUTION_OWNER_PROTOCOL_VERSION = 2 as const
diff --git a/src/shared/agent-session-option-catalog.ts b/src/shared/agent-session-option-catalog.ts
index b5520afaa51..6ba6ee65043 100644
--- a/src/shared/agent-session-option-catalog.ts
+++ b/src/shared/agent-session-option-catalog.ts
@@ -49,14 +49,6 @@ export function findCatalogOption(
   return model?.options.find((option) => option.id === optionId)
 }
 
-export function catalogDefaultModel(catalog: AgentSessionOptionCatalog): CatalogModel | undefined {
-  return catalog.models.find((model) => model.isDefault) ?? catalog.models[0]
-}
-
-export function catalogDefaultValues(model: CatalogModel): Record<string, SessionOptionValue> {
-  return Object.fromEntries(model.options.map((option) => [option.id, option.kind.defaultValue]))
-}
-
 /** Merge live rows over the static seed while retaining only option shapes Orca
  * can actually map. Newly discovered ids remain model-only until cataloged. */
 export function mergeCatalogModels(
diff --git a/src/shared/commit-message-generation.ts b/src/shared/commit-message-generation.ts
index cd3f8d72a62..3c5c92ad835 100644
--- a/src/shared/commit-message-generation.ts
+++ b/src/shared/commit-message-generation.ts
@@ -11,14 +11,6 @@ export type CommitMessageDraftContext = {
   linkedIssue?: number | null
 }
 
-export type CommitMessageDraftOptions = {
-  agentId: CommitMessageDraftAgent
-  model: string
-  thinkingLevel?: string
-  customPrompt?: string
-  customAgentCommand?: string
-}
-
 export type GeneratedCommitMessage = {
   subject: string
   body: string
diff --git a/src/shared/custom-pet-media-limits.ts b/src/shared/custom-pet-media-limits.ts
deleted file mode 100644
index f3778069e40..00000000000
--- a/src/shared/custom-pet-media-limits.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-export const MAX_CUSTOM_PET_FILE_BYTES = 64 * 1024 * 1024
-
-// Why: sprite processing holds decoded image, canvas, ImageData, PNG, and
-// optional bitmap copies at once, so encoded bytes alone are not a safe bound.
-export const MAX_CUSTOM_PET_SHEET_PIXELS = 4 * 1024 * 1024
-export const MAX_CUSTOM_PET_SHEET_DIMENSION = 8_192
-export const MAX_CUSTOM_PET_DETECTED_FRAMES = 128
-
-export function isCustomPetSheetSizeSafe(width: number, height: number): boolean {
-  return (
-    Number.isSafeInteger(width) &&
-    Number.isSafeInteger(height) &&
-    width > 0 &&
-    height > 0 &&
-    width <= MAX_CUSTOM_PET_SHEET_DIMENSION &&
-    height <= MAX_CUSTOM_PET_SHEET_DIMENSION &&
-    width * height <= MAX_CUSTOM_PET_SHEET_PIXELS
-  )
-}
diff --git a/src/shared/daemon-audit-eligibility.ts b/src/shared/daemon-audit-eligibility.ts
index 5e3bde6fcd0..4e89af300eb 100644
--- a/src/shared/daemon-audit-eligibility.ts
+++ b/src/shared/daemon-audit-eligibility.ts
@@ -69,7 +69,6 @@ export const DAEMON_AUDIT_PROCESS_REASON_VALUES = [
   'windows_named_pipe_missing'
 ] as const
 
-export type DaemonAuditState = (typeof DAEMON_AUDIT_STATE_VALUES)[number]
 export type DaemonAuditTrigger = (typeof DAEMON_AUDIT_TRIGGER_VALUES)[number]
 export type DaemonAuditFailureTrigger = Exclude<DaemonAuditTrigger, 'inventory_answered'>
 export type DaemonEvidenceSource = (typeof DAEMON_EVIDENCE_SOURCE_VALUES)[number]
diff --git a/src/shared/daemon-lifecycle-telemetry.ts b/src/shared/daemon-lifecycle-telemetry.ts
index 5904195316a..1ec13c985f6 100644
--- a/src/shared/daemon-lifecycle-telemetry.ts
+++ b/src/shared/daemon-lifecycle-telemetry.ts
@@ -17,13 +17,11 @@ export const DAEMON_RETIRE_REASONS = ['died_respawn'] as const
 export type DaemonRetireReason = (typeof DAEMON_RETIRE_REASONS)[number]
 
 export const DAEMON_LIFECYCLE_TRANSITIONS = ['replaced', 'retired'] as const
-export type DaemonLifecycleTransition = (typeof DAEMON_LIFECYCLE_TRANSITIONS)[number]
 
 export const DAEMON_LIFECYCLE_REASONS = [
   ...DAEMON_REPLACE_REASONS,
   ...DAEMON_RETIRE_REASONS
 ] as const
-export type DaemonLifecycleReason = (typeof DAEMON_LIFECYCLE_REASONS)[number]
 
 // Bucketed, never raw: exact live-session counts could fingerprint heavy users. `unknown` when
 // the count couldn't be verified (null) — e.g. a wedged daemon or an already-dead respawn target.
diff --git a/src/shared/ephemeral-vm-recipes.ts b/src/shared/ephemeral-vm-recipes.ts
index 071f1e89c46..9cb4349d928 100644
--- a/src/shared/ephemeral-vm-recipes.ts
+++ b/src/shared/ephemeral-vm-recipes.ts
@@ -1,10 +1,6 @@
 import { z } from 'zod'
 import { parsePairingCode } from './pairing'
-import {
-  DEFAULT_SSH_RELAY_GRACE_PERIOD_SECONDS,
-  MAX_SSH_RELAY_GRACE_PERIOD_SECONDS,
-  MIN_SSH_RELAY_GRACE_PERIOD_SECONDS
-} from './ssh-types'
+import { MAX_SSH_RELAY_GRACE_PERIOD_SECONDS, MIN_SSH_RELAY_GRACE_PERIOD_SECONDS } from './ssh-types'
 import { assertJsonTextStructureWithinLimits } from './json-text-structure-limit'
 
 const JsonValueSchema: z.ZodType<JsonValue> = z.lazy(() =>
@@ -67,8 +63,6 @@ export const EphemeralVmRecipeSshTargetSchema = z
   })
   .strict()
 
-export type EphemeralVmRecipeSshTarget = z.infer<typeof EphemeralVmRecipeSshTargetSchema>
-
 const EphemeralVmRecipeOrcaServerConnectionSchema = z
   .object({
     type: z.literal('orca-server'),
@@ -114,10 +108,6 @@ export const EphemeralVmRecipeResultSchema = z.union([
   EphemeralVmRecipeConnectionResultSchema
 ])
 
-export type EphemeralVmRecipeLegacyResult = z.infer<typeof EphemeralVmRecipeLegacyResultSchema>
-export type EphemeralVmRecipeConnectionResult = z.infer<
-  typeof EphemeralVmRecipeConnectionResultSchema
->
 export type EphemeralVmRecipeResult = z.infer<typeof EphemeralVmRecipeResultSchema>
 
 export type EphemeralVmRecipeResultParseResult =
@@ -190,16 +180,6 @@ export function getEphemeralVmRecipeResultPairingCode(
   return connection.type === 'orca-server' ? connection.pairingCode : null
 }
 
-export function getEphemeralVmRecipeResultUserData(
-  result: EphemeralVmRecipeResult
-): Record<string, JsonValue> | undefined {
-  return result.userData
-}
-
-export function getDefaultSshRelayGracePeriodSeconds(): number {
-  return DEFAULT_SSH_RELAY_GRACE_PERIOD_SECONDS
-}
-
 export function isAbsoluteRuntimePath(path: string): boolean {
   return (
     path.startsWith('/') ||
diff --git a/src/shared/ephemeral-vm-runtimes.ts b/src/shared/ephemeral-vm-runtimes.ts
index 517897fcd44..196c3e08184 100644
--- a/src/shared/ephemeral-vm-runtimes.ts
+++ b/src/shared/ephemeral-vm-runtimes.ts
@@ -27,10 +27,6 @@ export type EphemeralVmCleanupStatus = z.infer<typeof EphemeralVmCleanupStatusSc
 
 export const EphemeralVmRuntimeConnectionModeSchema = z.enum(['orca-server', 'ssh'])
 
-export type EphemeralVmRuntimeConnectionMode = z.infer<
-  typeof EphemeralVmRuntimeConnectionModeSchema
->
-
 const EphemeralVmRuntimeRecipeSchema = z
   .object({
     id: z.string().min(1),
diff --git a/src/shared/folder-workspaces.ts b/src/shared/folder-workspaces.ts
index 9798db1f67d..675117dd3eb 100644
--- a/src/shared/folder-workspaces.ts
+++ b/src/shared/folder-workspaces.ts
@@ -1,4 +1,4 @@
-import type { FolderWorkspace, FolderWorkspaceLinkedTask, ProjectGroup } from './types'
+import type { FolderWorkspace, ProjectGroup } from './types'
 import { isTuiAgent } from './tui-agent-config'
 import { normalizeStoredTaskSourceContext } from './task-source-context'
 import { normalizeWorkspaceLinkedItem } from './workspace-linked-item'
@@ -12,12 +12,6 @@ export function normalizeFolderWorkspaceName(
   return trimmed.length > 0 ? trimmed : fallback
 }
 
-export function normalizeFolderWorkspaceLinkedTask(
-  value: unknown
-): FolderWorkspaceLinkedTask | null {
-  return normalizeWorkspaceLinkedItem(value)
-}
-
 export function normalizeFolderWorkspaces(
   value: unknown,
   projectGroups: readonly ProjectGroup[]
diff --git a/src/shared/hermes-run-output-limits.ts b/src/shared/hermes-run-output-limits.ts
index 99d16feaff0..d456effe8a8 100644
--- a/src/shared/hermes-run-output-limits.ts
+++ b/src/shared/hermes-run-output-limits.ts
@@ -1,8 +1,6 @@
-export const HERMES_PRIMARY_OUTPUT_MAX_BYTES = 5 * 1024 * 1024
 export const HERMES_SESSION_TRANSCRIPT_MAX_BYTES = 8 * 1024 * 1024
 export const HERMES_SESSION_TRANSCRIPT_MAX_MESSAGES = 10_000
 export const HERMES_RUN_PAGE_MAX_RETAINED_BYTES = 32 * 1024 * 1024
-export const HERMES_RUN_PAGE_MAX_RUNS = 100
 export const HERMES_RUN_HYDRATION_CONCURRENCY = 2
 export const HERMES_SESSION_RUN_METADATA_MAX_BYTES = 16 * 1024
 export const HERMES_RUN_PAGE_OUTPUT_OMITTED_ERROR =
@@ -10,7 +8,6 @@ export const HERMES_RUN_PAGE_OUTPUT_OMITTED_ERROR =
 export const HERMES_SESSION_TRANSCRIPT_TRUNCATED_ERROR =
   'Session transcript truncated because it exceeds the 8 MiB or 10,000-message history limit'
 
-const HERMES_SESSION_TRANSCRIPT_FIELD_MAX_BYTES = HERMES_SESSION_TRANSCRIPT_MAX_BYTES + 1
 const HERMES_SESSION_TRANSCRIPT_TRUNCATION_NOTICE = `[${HERMES_SESSION_TRANSCRIPT_TRUNCATED_ERROR}.]`
 const HERMES_SESSION_TRANSCRIPT_SOURCE_TRUNCATED_COLUMN = 'orca_source_truncated'
 
@@ -29,24 +26,6 @@ export const HERMES_SESSION_RUN_SELECT_SQL = `SELECT
 FROM sessions
 WHERE id = ?`
 
-export const HERMES_SESSION_TRANSCRIPT_SELECT_SQL = `SELECT
-  CAST(substr(CAST(role AS BLOB), 1, ${HERMES_SESSION_TRANSCRIPT_FIELD_MAX_BYTES}) AS TEXT) AS role,
-  CAST(substr(CAST(content AS BLOB), 1, ${HERMES_SESSION_TRANSCRIPT_FIELD_MAX_BYTES}) AS TEXT) AS content,
-  CAST(substr(CAST(tool_name AS BLOB), 1, ${HERMES_SESSION_TRANSCRIPT_FIELD_MAX_BYTES}) AS TEXT) AS tool_name,
-  CAST(substr(CAST(reasoning AS BLOB), 1, ${HERMES_SESSION_TRANSCRIPT_FIELD_MAX_BYTES}) AS TEXT) AS reasoning,
-  CAST(substr(CAST(reasoning_content AS BLOB), 1, ${HERMES_SESSION_TRANSCRIPT_FIELD_MAX_BYTES}) AS TEXT) AS reasoning_content,
-  CASE WHEN
-       length(CAST(role AS BLOB)) > ${HERMES_SESSION_TRANSCRIPT_MAX_BYTES}
-    OR length(CAST(content AS BLOB)) > ${HERMES_SESSION_TRANSCRIPT_MAX_BYTES}
-    OR length(CAST(tool_name AS BLOB)) > ${HERMES_SESSION_TRANSCRIPT_MAX_BYTES}
-    OR length(CAST(reasoning AS BLOB)) > ${HERMES_SESSION_TRANSCRIPT_MAX_BYTES}
-    OR length(CAST(reasoning_content AS BLOB)) > ${HERMES_SESSION_TRANSCRIPT_MAX_BYTES}
-  THEN 1 ELSE 0 END AS ${HERMES_SESSION_TRANSCRIPT_SOURCE_TRUNCATED_COLUMN}
-FROM messages
-WHERE session_id = ?
-ORDER BY timestamp, id
-LIMIT ${HERMES_SESSION_TRANSCRIPT_MAX_MESSAGES + 1}`
-
 type HermesRunPageLimits = {
   maxConcurrent?: number
   maxRetainedBytes?: number
diff --git a/src/shared/hermes-run-ref-retention.ts b/src/shared/hermes-run-ref-retention.ts
index 15aaefe3b13..6d4834db320 100644
--- a/src/shared/hermes-run-ref-retention.ts
+++ b/src/shared/hermes-run-ref-retention.ts
@@ -1,14 +1,6 @@
 export const HERMES_RUN_REF_MAX_ENTRIES = 10_000
 export const HERMES_RUN_REF_ID_MAX_BYTES = 4 * 1024
 
-export const HERMES_SESSION_RUN_REFS_SELECT_SQL = `SELECT
-  CASE WHEN length(CAST(id AS BLOB)) <= ${HERMES_RUN_REF_ID_MAX_BYTES} THEN id ELSE NULL END AS id,
-  CASE WHEN typeof(started_at) IN ('integer', 'real') THEN started_at ELSE NULL END AS started_at
-FROM sessions
-WHERE id LIKE ? ESCAPE '\\'
-ORDER BY started_at DESC
-LIMIT ${HERMES_RUN_REF_MAX_ENTRIES + 1}`
-
 export type HermesSortableRunRef = {
   id: string
   run_at: string | null
diff --git a/src/shared/hosted-review.ts b/src/shared/hosted-review.ts
index da6584fe574..90a97d0afb9 100644
--- a/src/shared/hosted-review.ts
+++ b/src/shared/hosted-review.ts
@@ -202,14 +202,6 @@ export type HostedReviewQueueSummary = {
   draft?: boolean
 }
 
-export type HostedReviewQueueKey =
-  | 'mine'
-  | 'requested'
-  | 'agent'
-  | 'teammate'
-  | 'needs-response'
-  | 'ready-to-merge'
-
 export type HostedReviewQueueState = 'mine' | 'requested' | 'agent' | 'teammate'
 
 export type HostedReviewQueueClassification = {
diff --git a/src/shared/html-to-pdf-memory-limit.ts b/src/shared/html-to-pdf-memory-limit.ts
deleted file mode 100644
index 061d60eb430..00000000000
--- a/src/shared/html-to-pdf-memory-limit.ts
+++ /dev/null
@@ -1,13 +0,0 @@
-import { measureUtf8ByteLength } from './utf8-byte-limits'
-
-export const HTML_TO_PDF_MAX_INPUT_BYTES = 32 * 1024 * 1024
-export const HTML_TO_PDF_MEMORY_LIMIT_ERROR = 'HTML export exceeds the PDF memory limit'
-
-export function assertHtmlToPdfInputWithinMemoryLimit(
-  html: string,
-  maxBytes = HTML_TO_PDF_MAX_INPUT_BYTES
-): void {
-  if (measureUtf8ByteLength(html, { stopAfterBytes: maxBytes }).exceededLimit) {
-    throw new Error(HTML_TO_PDF_MEMORY_LIMIT_ERROR)
-  }
-}
diff --git a/src/shared/left-sidebar-appearance.ts b/src/shared/left-sidebar-appearance.ts
index bb77476ba36..8b2f6c58739 100644
--- a/src/shared/left-sidebar-appearance.ts
+++ b/src/shared/left-sidebar-appearance.ts
@@ -1,5 +1,4 @@
 import { HEX_COLOR_RE } from './color-validation'
-import type { LeftSidebarAppearanceMode } from './types'
 
 export const LEFT_SIDEBAR_APPEARANCE_MODES = ['default', 'match-terminal', 'tinted'] as const
 
@@ -7,12 +6,6 @@ export const DEFAULT_LEFT_SIDEBAR_TINT_COLOR = '#18181b'
 export const DEFAULT_LEFT_SIDEBAR_TINT_OPACITY = 0.08
 export const MAX_LEFT_SIDEBAR_TINT_OPACITY = 0.35
 
-export function normalizeLeftSidebarAppearanceMode(value: unknown): LeftSidebarAppearanceMode {
-  return LEFT_SIDEBAR_APPEARANCE_MODES.includes(value as LeftSidebarAppearanceMode)
-    ? (value as LeftSidebarAppearanceMode)
-    : 'default'
-}
-
 export function normalizeLeftSidebarTintColor(value: unknown): string {
   if (typeof value !== 'string') {
     return DEFAULT_LEFT_SIDEBAR_TINT_COLOR
diff --git a/src/shared/linear-agent-access.ts b/src/shared/linear-agent-access.ts
index eb49dee4af4..2ffa17cb406 100644
--- a/src/shared/linear-agent-access.ts
+++ b/src/shared/linear-agent-access.ts
@@ -109,11 +109,6 @@ export type LinearWriteTargetRequest = {
   context?: LinearCurrentIssueContextHints
 }
 
-export type LinearTeamDiscoveryRequest = {
-  teamInput?: string
-  workspaceId?: string | 'all'
-}
-
 export type LinearIssueListFilter = 'assigned' | 'created' | 'all' | 'completed' | 'open'
 
 export type LinearIssueListRequest = {
diff --git a/src/shared/linux-proc-port-scan-limits.ts b/src/shared/linux-proc-port-scan-limits.ts
index dd1f9fd5c6e..af6148cd283 100644
--- a/src/shared/linux-proc-port-scan-limits.ts
+++ b/src/shared/linux-proc-port-scan-limits.ts
@@ -1,7 +1,6 @@
 import { readNodeFileWithinLimit } from './node-bounded-file-reader'
 
 export const LINUX_PROC_NETWORK_TABLE_MAX_BYTES = 8 * 1024 * 1024
-export const LINUX_PROC_LISTENING_SOCKET_MAX_ENTRIES = 2_048
 export const LINUX_PROC_PROCESS_METADATA_MAX_BYTES = 8 * 1024 * 1024
 export const LINUX_PROC_PROCESS_METADATA_FILE_MAX_BYTES = 64 * 1024
 
diff --git a/src/shared/native-file-drop.ts b/src/shared/native-file-drop.ts
index 101dfd37d83..4a7ee1860d1 100644
--- a/src/shared/native-file-drop.ts
+++ b/src/shared/native-file-drop.ts
@@ -135,14 +135,6 @@ export function resolveNativeFileDropPath(
   return null
 }
 
-export function measureNativeFileDropPathBytes(paths: readonly string[]): number {
-  let byteLength = 0
-  for (const path of paths) {
-    byteLength += measureClipboardTextByteLength(path).byteLength
-  }
-  return byteLength
-}
-
 export function validateNativeFileDropPaths(
   paths: readonly string[],
   options: {
diff --git a/src/shared/persisted-state-file-bounds.ts b/src/shared/persisted-state-file-bounds.ts
index 4fe8a977bb3..8ad92c95435 100644
--- a/src/shared/persisted-state-file-bounds.ts
+++ b/src/shared/persisted-state-file-bounds.ts
@@ -1,11 +1,7 @@
 import { randomUUID, type Hash } from 'node:crypto'
 import { mkdirSync, renameSync, rmSync, writeFileSync } from 'node:fs'
 import { dirname } from 'node:path'
-import {
-  NodeFileReadTooLargeError,
-  readNodeFileSyncWithinLimit,
-  type BoundedNodeFileRead
-} from './node-bounded-file-reader'
+import { readNodeFileSyncWithinLimit, type BoundedNodeFileRead } from './node-bounded-file-reader'
 import {
   JsonStringifyByteLimitError,
   stringifyJsonWithinByteLimit
@@ -38,12 +34,6 @@ export class PersistedStateSecretCapacityError extends Error {
   }
 }
 
-export function isPersistedStateFileCapacityError(
-  error: unknown
-): error is NodeFileReadTooLargeError {
-  return error instanceof NodeFileReadTooLargeError
-}
-
 export function readPersistedStateJsonFileSync<T>(
   filePath: string,
   maxBytes = ORCA_PERSISTED_STATE_MAX_BYTES,
@@ -86,14 +76,6 @@ export function stringifyPrettyPersistedStateWithinLimit(
   return stringifyJsonWithinByteLimit(value, maxBytes, 2)
 }
 
-export function encodePersistedStateJsonStringContent(
-  value: string,
-  maxBytes = ORCA_PERSISTED_STATE_MAX_BYTES
-): string {
-  const { serialized } = stringifyJsonWithinByteLimit(value, maxBytes)
-  return serialized.slice(1, -1)
-}
-
 export function assertPersistedStateSecretWithinLimit(
   value: string,
   maxBytes = ORCA_PERSISTED_STATE_SECRET_MAX_BYTES
diff --git a/src/shared/pr-refresh-memory-limits.ts b/src/shared/pr-refresh-memory-limits.ts
deleted file mode 100644
index 8b695adede7..00000000000
--- a/src/shared/pr-refresh-memory-limits.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-export const PR_REFRESH_QUEUE_ENTRY_LIMIT = 1_024
-export const PR_REFRESH_ALIAS_LIMIT = 64
-export const PR_REFRESH_VISIBLE_CANDIDATE_LIMIT = 1_024
-export const PR_REFRESH_RETRY_STATE_LIMIT = 1_024
-export const PR_REFRESH_ACTIVE_SCOPE_LIMIT = 1_024
diff --git a/src/shared/pty-source-credit-contract.ts b/src/shared/pty-source-credit-contract.ts
index a97b66ec4a2..4c3a643b32c 100644
--- a/src/shared/pty-source-credit-contract.ts
+++ b/src/shared/pty-source-credit-contract.ts
@@ -1,4 +1,3 @@
-export const PTY_SOURCE_CREDIT_VERSION = 1
 export const DEFAULT_PTY_SOURCE_WINDOW_SU = 256 * 1024
 export const MAX_PTY_ACK_ENTRIES = 64
 
diff --git a/src/shared/relay-json-admission.ts b/src/shared/relay-json-admission.ts
deleted file mode 100644
index a9d256ba904..00000000000
--- a/src/shared/relay-json-admission.ts
+++ /dev/null
@@ -1,12 +0,0 @@
-import { assertJsonTextStructureWithinLimits } from './json-text-structure-limit'
-
-export const RELAY_JSON_MAX_STRUCTURAL_TOKENS = 1_000_000
-export const RELAY_JSON_MAX_NESTING_DEPTH = 128
-
-export function parseRelayJsonText<T>(text: string): T {
-  assertJsonTextStructureWithinLimits(text, {
-    structuralTokens: RELAY_JSON_MAX_STRUCTURAL_TOKENS,
-    nestingDepth: RELAY_JSON_MAX_NESTING_DEPTH
-  })
-  return JSON.parse(text) as T
-}
diff --git a/src/shared/remote-runtime-memory-limits.ts b/src/shared/remote-runtime-memory-limits.ts
index 62cb62d03cf..8152f58ef66 100644
--- a/src/shared/remote-runtime-memory-limits.ts
+++ b/src/shared/remote-runtime-memory-limits.ts
@@ -17,7 +17,6 @@ export const REMOTE_RUNTIME_MAX_PROCESS_PENDING_RPC_BYTES = REMOTE_RUNTIME_MAX_P
 export const REMOTE_RUNTIME_MAX_READY_WAITERS =
   REMOTE_RUNTIME_MAX_PENDING_REQUESTS + REMOTE_RUNTIME_MAX_SUBSCRIPTIONS
 export const REMOTE_RUNTIME_MAX_OUTBOUND_BINARY_FRAME_BYTES = 8 * 1024 * 1024
-export const REMOTE_RUNTIME_MAX_SUBSCRIPTION_ID_BYTES = 4 * 1024
 
 export function serializeRemoteRuntimePayload(value: unknown): string {
   try {
diff --git a/src/shared/remote-runtime-shared-control-state.ts b/src/shared/remote-runtime-shared-control-state.ts
index 4f62d8298ff..c74c50916c9 100644
--- a/src/shared/remote-runtime-shared-control-state.ts
+++ b/src/shared/remote-runtime-shared-control-state.ts
@@ -77,22 +77,6 @@ export function refreshSharedControlPendingRequestTimeouts(
   }
 }
 
-export function waitForSharedControlReady(ready: Promise<void>, timeoutMs: number): Promise<void> {
-  return new Promise((resolve, reject) => {
-    const timeout = setTimeout(() => reject(remoteRuntimeUnavailableError()), timeoutMs)
-    void ready.then(
-      () => {
-        clearTimeout(timeout)
-        resolve()
-      },
-      (error) => {
-        clearTimeout(timeout)
-        reject(error)
-      }
-    )
-  })
-}
-
 export function rejectAllSharedControlPendingRequests(
   pendingRequests: Map<string, SharedControlPendingRequest<unknown>>,
   error?: Error
diff --git a/src/shared/remote-workspace-types.ts b/src/shared/remote-workspace-types.ts
index 419bb765116..3c08f272864 100644
--- a/src/shared/remote-workspace-types.ts
+++ b/src/shared/remote-workspace-types.ts
@@ -31,11 +31,6 @@ export type RemoteWorkspaceConnectedClient = {
   isCurrent?: boolean
 }
 
-export type RemoteWorkspacePatch = {
-  kind: 'replace-session'
-  session: RemoteWorkspaceSession
-}
-
 export type RemoteWorkspacePatchResult =
   | {
       ok: true
diff --git a/src/shared/runtime-bootstrap.ts b/src/shared/runtime-bootstrap.ts
index efa224d749b..993ab5e023d 100644
--- a/src/shared/runtime-bootstrap.ts
+++ b/src/shared/runtime-bootstrap.ts
@@ -1,5 +1,4 @@
 import { join } from 'node:path'
-import { assertJsonTextStructureWithinLimits } from './json-text-structure-limit'
 
 export type RuntimeTransportMetadata =
   | {
@@ -23,18 +22,6 @@ export type RuntimeMetadata = {
   startedAt: number
 }
 
-export const MAX_RUNTIME_METADATA_FILE_BYTES = 64 * 1024
-export const MAX_RUNTIME_METADATA_JSON_STRUCTURAL_TOKENS = 16 * 1024
-export const MAX_RUNTIME_METADATA_JSON_NESTING_DEPTH = 32
-
-export function parseRuntimeMetadataJson(serialized: string): RuntimeMetadata {
-  assertJsonTextStructureWithinLimits(serialized, {
-    structuralTokens: MAX_RUNTIME_METADATA_JSON_STRUCTURAL_TOKENS,
-    nestingDepth: MAX_RUNTIME_METADATA_JSON_NESTING_DEPTH
-  })
-  return JSON.parse(serialized) as RuntimeMetadata
-}
-
 // Why: the CLI must handle metadata files written by older Orca versions that
 // used a singular `transport` field. This helper extracts the first transport
 // matching the given kinds from either the new `transports` array or the
diff --git a/src/shared/runtime-environments.ts b/src/shared/runtime-environments.ts
index 131414631c2..f1cfd64085b 100644
--- a/src/shared/runtime-environments.ts
+++ b/src/shared/runtime-environments.ts
@@ -10,8 +10,6 @@ export const RuntimeAccessEndpointSchema = z.object({
   publicKeyB64: z.string().min(1)
 })
 
-export type RuntimeAccessEndpoint = z.infer<typeof RuntimeAccessEndpointSchema>
-
 export const PublicRuntimeAccessEndpointSchema = RuntimeAccessEndpointSchema.omit({
   deviceToken: true,
   publicKeyB64: true
diff --git a/src/shared/runtime-types.ts b/src/shared/runtime-types.ts
index d0f98e68360..c357ff63d45 100644
--- a/src/shared/runtime-types.ts
+++ b/src/shared/runtime-types.ts
@@ -545,10 +545,6 @@ export type RuntimeTerminalOrphanAdoptionResult = {
   snapshot: RuntimeMobileSessionTabsResult
 }
 
-export type RuntimeWorktreeTerminalSleepFailure =
-  | 'terminal_liveness_unavailable'
-  | 'terminal_worktree_sleep_still_live'
-
 export type RuntimeWorktreeTerminalSleepResult = {
   stopped: number
   stoppedPtyIds: string[]
@@ -1194,18 +1190,10 @@ export type BrowserCaptureStopResult = {
   stopped: boolean
 }
 
-export type BrowserExecResult = {
-  output: unknown
-}
-
 export type BrowserTabCreateResult = {
   browserPageId: string
 }
 
-export type BrowserTabCloseResult = {
-  closed: boolean
-}
-
 export type BrowserErrorCode =
   | 'browser_no_tab'
   | 'browser_tab_not_found'
@@ -1222,13 +1210,6 @@ export type BrowserErrorCode =
   | 'browser_timeout'
   | 'browser_error'
 
-export type EmulatorErrorCode =
-  | 'emulator_no_active'
-  | 'emulator_device_not_found'
-  | 'emulator_helper_failed'
-  | 'emulator_not_macos'
-  | 'emulator_error'
-
 // Keep the broad runtime-types import surface stable while letting computer-use
 // CI watch a narrow contract file instead of every runtime type change.
 export * from './computer-use-runtime-types'
diff --git a/src/shared/serve-update-handoff.ts b/src/shared/serve-update-handoff.ts
index 3dddd2a38da..4d2e1934852 100644
--- a/src/shared/serve-update-handoff.ts
+++ b/src/shared/serve-update-handoff.ts
@@ -1,11 +1,7 @@
 import { join } from 'node:path'
-import { assertJsonTextStructureWithinLimits } from './json-text-structure-limit'
 
 export const SERVE_UPDATE_HANDOFF_PATH_ENV = 'ORCA_SERVE_UPDATE_HANDOFF_PATH'
 export const SERVE_UPDATE_HANDOFF_FILE = 'serve-update-handoff.json'
-export const MAX_SERVE_UPDATE_HANDOFF_FILE_BYTES = 64 * 1024
-export const MAX_SERVE_UPDATE_HANDOFF_JSON_STRUCTURAL_TOKENS = 16 * 1024
-export const MAX_SERVE_UPDATE_HANDOFF_JSON_NESTING_DEPTH = 32
 
 export type ServeUpdateHandoffState =
   | {
@@ -65,14 +61,6 @@ export function parseServeUpdateHandoffState(value: unknown): ServeUpdateHandoff
   return state as ServeUpdateHandoffState
 }
 
-export function parseServeUpdateHandoffJson(serialized: string): ServeUpdateHandoffState | null {
-  assertJsonTextStructureWithinLimits(serialized, {
-    structuralTokens: MAX_SERVE_UPDATE_HANDOFF_JSON_STRUCTURAL_TOKENS,
-    nestingDepth: MAX_SERVE_UPDATE_HANDOFF_JSON_NESTING_DEPTH
-  })
-  return parseServeUpdateHandoffState(JSON.parse(serialized))
-}
-
 export function parseServeSupervisorMessage(value: unknown): ServeSupervisorMessage | null {
   if (!value || typeof value !== 'object') {
     return null
diff --git a/src/shared/source-control-create-review-intent.ts b/src/shared/source-control-create-review-intent.ts
index b7266708b25..45ee2210c7e 100644
--- a/src/shared/source-control-create-review-intent.ts
+++ b/src/shared/source-control-create-review-intent.ts
@@ -2,7 +2,6 @@ import { isBehindOnlyUpstream, shouldForcePushWithLeaseForUpstream } from './git
 import type { HostedReviewCreationEligibility } from './hosted-review'
 import { supportsHostedReviewCreation } from './hosted-review-creation-providers'
 import type { GitUpstreamStatus } from './git-status-types'
-import type { SourceControlPrimaryActionDecision } from './source-control-primary-action-decision-types'
 
 export type CreateReviewIntentKind =
   | 'dirty'
@@ -91,13 +90,3 @@ export function resolveCreateReviewIntentEligibility({
 
   return { eligible: false, kind: null }
 }
-
-export function resolveVisibleCreateReviewHeaderAction({
-  createPrHeaderAction
-}: {
-  createPrHeaderAction: SourceControlPrimaryActionDecision | null
-}): SourceControlPrimaryActionDecision | null {
-  // Why: keep a stable header anchor; disable Create Review when the branch is
-  // not ready instead of hiding it and shifting toolbar layout.
-  return createPrHeaderAction
-}
diff --git a/src/shared/ssh-retained-payload-admission.ts b/src/shared/ssh-retained-payload-admission.ts
index cc173c577d5..ba018eb0f5b 100644
--- a/src/shared/ssh-retained-payload-admission.ts
+++ b/src/shared/ssh-retained-payload-admission.ts
@@ -10,7 +10,6 @@ import { clampUtf8TextPrefix, measureUtf8ByteLength } from './utf8-byte-limits'
 export const SSH_RETAINED_IDENTIFIER_MAX_UTF8_BYTES = 1024
 export const SSH_CONNECTION_ERROR_MAX_UTF8_BYTES = 16 * 1024
 export const SSH_PROVIDER_EPOCH_MAX_UTF8_BYTES = 128
-export const SSH_CREDENTIAL_DETAIL_MAX_UTF8_BYTES = 16 * 1024
 export const SSH_DETECTED_PORTS_MAX_ENTRIES = 50
 export const SSH_DETECTED_PORT_HOST_MAX_UTF8_BYTES = 1024
 export const SSH_DETECTED_PORT_PROCESS_NAME_MAX_UTF8_BYTES = 4 * 1024
diff --git a/src/shared/task-source-context.ts b/src/shared/task-source-context.ts
index 38e1fb3388f..e1576e2de92 100644
--- a/src/shared/task-source-context.ts
+++ b/src/shared/task-source-context.ts
@@ -192,12 +192,6 @@ export function buildWorkspaceRunContext(args: {
   }
 }
 
-export function getWorkspaceRunRuntimeSettings(
-  context: Pick<WorkspaceRunContext, 'hostId'> | null | undefined
-): Pick<GlobalSettings, 'activeRuntimeEnvironmentId'> {
-  return getTaskSourceRuntimeSettings(context ? { hostId: context.hostId } : null)
-}
-
 function getRepoHostId(repo: Pick<Repo, 'connectionId' | 'executionHostId'>): ExecutionHostId {
   const explicit = normalizeExecutionHostId(repo.executionHostId)
   if (explicit) {
diff --git a/src/shared/telemetry-events.ts b/src/shared/telemetry-events.ts
index bcf92ef54bc..18f7cd8986f 100644
--- a/src/shared/telemetry-events.ts
+++ b/src/shared/telemetry-events.ts
@@ -124,7 +124,6 @@ export const addRepoSetupStepActionSchema = z.enum([
   'open_existing',
   'back'
 ])
-export type AddRepoSetupStepAction = z.infer<typeof addRepoSetupStepActionSchema>
 
 export const addRepoExistingWorkspaceSourceSchema = z.enum([
   'local_folder_picker',
@@ -164,7 +163,6 @@ export const addRepoDefaultCheckoutHandoffReasonSchema = z.enum([
 ])
 
 export const setupScriptImportProviderSchema = z.enum(SETUP_SCRIPT_IMPORT_PROVIDERS)
-export type SetupScriptImportProviderTelemetry = z.infer<typeof setupScriptImportProviderSchema>
 
 // Separate enum from `errorClassSchema` — different domain (git/filesystem worktree-create failures); merging would couple the two forever.
 export const workspaceCreateErrorClassSchema = z.enum([
@@ -215,7 +213,6 @@ export const featureWallTileIdSchema = z.enum([
   'tile-11',
   'tile-12'
 ])
-export type FeatureWallTileIdTelemetry = z.infer<typeof featureWallTileIdSchema>
 
 export const featureWallOpenSourceSchema = z.enum(['help_menu', 'popup', 'onboarding', 'unknown'])
 export type FeatureWallOpenSourceTelemetry = z.infer<typeof featureWallOpenSourceSchema>
@@ -227,13 +224,10 @@ export const featureWallWorkflowIdSchema = z.enum([
   'workbench',
   'review'
 ])
-export type FeatureWallWorkflowIdTelemetry = z.infer<typeof featureWallWorkflowIdSchema>
 
 export const featureWallTourDepthStepSchema = z.enum(FEATURE_WALL_TOUR_DEPTH_STEPS)
-export type FeatureWallTourDepthStepTelemetry = z.infer<typeof featureWallTourDepthStepSchema>
 
 export const featureWallExitActionSchema = z.enum(FEATURE_WALL_EXIT_ACTIONS)
-export type FeatureWallExitActionTelemetry = z.infer<typeof featureWallExitActionSchema>
 
 // `env_var` absent — env-var/CI paths override consent at runtime only, never firing an opt-in/out event.
 // `first_launch_notice` absent — the new-user cohort has no first-launch surface; those opt-outs come via `'settings'`.
@@ -1542,7 +1536,6 @@ function eventsWithShapeKey(key: string): ReadonlySet<EventName> {
 
 // Cohort injection is gated on this derived set because `.strict()` schemas drop events that don't declare `nth_repo_added`.
 const COHORT_EXTENDED_SET = eventsWithShapeKey('nth_repo_added')
-export const COHORT_EXTENDED: readonly EventName[] = Array.from(COHORT_EXTENDED_SET)
 
 // Compile-time roster guarding the runtime injection set against silent schema drift.
 type _CohortExtendedRoster =
diff --git a/src/shared/terminal-custom-themes.ts b/src/shared/terminal-custom-themes.ts
index df6b15f5745..f91b7d8e22e 100644
--- a/src/shared/terminal-custom-themes.ts
+++ b/src/shared/terminal-custom-themes.ts
@@ -15,8 +15,6 @@ export type TerminalCustomTheme = {
   unsupportedFeatures?: string[]
 }
 
-export type TerminalThemeSelection = string
-
 export type WarpThemeImportSource =
   | { kind: 'auto' }
   | { kind: 'chooseFile' }
diff --git a/src/shared/terminal-scrollback-policy.ts b/src/shared/terminal-scrollback-policy.ts
index 3c831234113..0e8753593e9 100644
--- a/src/shared/terminal-scrollback-policy.ts
+++ b/src/shared/terminal-scrollback-policy.ts
@@ -4,10 +4,6 @@ export const DESKTOP_TERMINAL_SCROLLBACK_ROWS_MAX = 50_000
 export const DESKTOP_TERMINAL_SCROLLBACK_ROW_PRESETS = [5_000, 10_000, 25_000, 50_000] as const
 
 export const LEGACY_TERMINAL_SCROLLBACK_BYTES_1_MB = 1_000_000
-export const LEGACY_TERMINAL_SCROLLBACK_BYTES_10_MB = 10_000_000
-export const LEGACY_TERMINAL_SCROLLBACK_BYTES_25_MB = 25_000_000
-export const LEGACY_TERMINAL_SCROLLBACK_BYTES_50_MB = 50_000_000
-export const LEGACY_TERMINAL_SCROLLBACK_BYTES_100_MB = 100_000_000
 
 export const LEGACY_TERMINAL_SCROLLBACK_BUCKET_5K_MAX_BYTES = 17_500_000
 export const LEGACY_TERMINAL_SCROLLBACK_BUCKET_10K_MAX_BYTES = 37_500_000
diff --git a/src/shared/terminal-size-limits.ts b/src/shared/terminal-size-limits.ts
deleted file mode 100644
index fca3d9c8754..00000000000
--- a/src/shared/terminal-size-limits.ts
+++ /dev/null
@@ -1,34 +0,0 @@
-export const MAX_TERMINAL_COLS = 500
-export const MAX_TERMINAL_ROWS = 500
-
-export function terminalSizeAdmissionError(
-  cols: unknown,
-  rows: unknown,
-  field: string,
-  options: { allowMissing?: boolean } = {}
-): string | null {
-  for (const [name, value, max] of [
-    ['cols', cols, MAX_TERMINAL_COLS],
-    ['rows', rows, MAX_TERMINAL_ROWS]
-  ] as const) {
-    if (options.allowMissing && value === undefined) {
-      continue
-    }
-    if (!Number.isSafeInteger(value) || (value as number) < 1 || (value as number) > max) {
-      return `${field}.${name} must be an integer from 1 through ${max}`
-    }
-  }
-  return null
-}
-
-export function isValidTerminalSize(cols: unknown, rows: unknown): boolean {
-  return terminalSizeAdmissionError(cols, rows, 'terminal size') === null
-}
-
-export function normalizeTerminalSize(
-  cols: unknown,
-  rows: unknown,
-  fallback: { cols: number; rows: number } = { cols: 80, rows: 24 }
-): { cols: number; rows: number } {
-  return isValidTerminalSize(cols, rows) ? { cols: cols as number, rows: rows as number } : fallback
-}
diff --git a/src/shared/terminal-title-display.ts b/src/shared/terminal-title-display.ts
deleted file mode 100644
index a0f2ad6894c..00000000000
--- a/src/shared/terminal-title-display.ts
+++ /dev/null
@@ -1,108 +0,0 @@
-import {
-  AGY_AGENT_NAME_RE,
-  DROID_AGENT_NAME_RE,
-  HERMES_AGENT_NAME_RE,
-  titleHasAnyLegacyAgentName
-} from './agent-name-token-match'
-import {
-  GEMINI_IDLE,
-  GEMINI_PERMISSION,
-  GEMINI_SILENT_WORKING,
-  GEMINI_WORKING,
-  isGeminiTerminalTitle,
-  isGrokRotatingWorkingTitle,
-  isPiAgentTitle
-} from './terminal-title-agent-type'
-import {
-  detectAgentStatusFromTitle,
-  STRONG_WORKING_KEYWORDS_RE_GLOBAL
-} from './terminal-title-status'
-
-function containsAgentName(title: string): boolean {
-  return (
-    titleHasAnyLegacyAgentName(title) ||
-    AGY_AGENT_NAME_RE.test(title) ||
-    DROID_AGENT_NAME_RE.test(title) ||
-    HERMES_AGENT_NAME_RE.test(title)
-  )
-}
-
-/**
- * Strip working-status indicators from a title so that
- * `detectAgentStatusFromTitle` will no longer return 'working'.
- * Used to clear stale titles when an agent exits without resetting its title.
- */
-export function clearWorkingIndicators(title: string): string {
-  let cleaned = title
-
-  // Gemini working symbols
-  cleaned = cleaned.replace(GEMINI_WORKING, '')
-  cleaned = cleaned.replace(GEMINI_SILENT_WORKING, '')
-
-  // Braille spinner characters (U+2800–U+28FF)
-  // eslint-disable-next-line no-control-regex -- intentional unicode range
-  cleaned = cleaned.replace(/[\u2800-\u28FF]/g, '')
-
-  // Claude Code ". " working prefix
-  if (cleaned.startsWith('. ')) {
-    cleaned = cleaned.slice(2)
-  }
-
-  // Strip working keywords that detectAgentStatusFromTitle would pick up
-  // when the title also contains an agent name.
-  if (containsAgentName(cleaned)) {
-    cleaned = cleaned.replace(STRONG_WORKING_KEYWORDS_RE_GLOBAL, '')
-  }
-
-  // Collapse whitespace after removals
-  cleaned = cleaned.replace(/\s{2,}/g, ' ').trim()
-
-  return cleaned || title
-}
-
-/**
- * Normalize high-churn agent titles into stable display labels before storing
- * them in app state. Gemini CLI can emit per-keystroke title updates, which
- * otherwise causes broad rerenders and visible flashing.
- */
-export function normalizeTerminalTitle(title: string): string {
-  if (!title) {
-    return title
-  }
-
-  if (isGeminiTerminalTitle(title)) {
-    const status = detectAgentStatusFromTitle(title)
-    if (status === 'permission') {
-      return `${GEMINI_PERMISSION} Gemini CLI`
-    }
-    if (status === 'working') {
-      return `${GEMINI_WORKING} Gemini CLI`
-    }
-    if (status === 'idle') {
-      return `${GEMINI_IDLE} Gemini CLI`
-    }
-  }
-
-  // Why: Pi's titlebar extension animates every 80ms with different braille
-  // frames. Collapsing those frames into one stable label avoids renderer
-  // churn while preserving the working/idle transition Orca keys off.
-  if (isPiAgentTitle(title)) {
-    const status = detectAgentStatusFromTitle(title)
-    if (status === 'working') {
-      return '\u280b Pi'
-    }
-    if (status === 'idle') {
-      return 'Pi'
-    }
-  }
-
-  // Why: Grok Build interpolates a rotating status/tool phrase between the
-  // spinner and its name, so its working frames change the title many times per
-  // turn. Collapse them to one stable label; idle/session titles carry no
-  // spinner and pass through, so the meaningful final title still shows.
-  if (isGrokRotatingWorkingTitle(title)) {
-    return '\u280b Grok'
-  }
-
-  return title
-}
diff --git a/src/shared/terminal-title-status.ts b/src/shared/terminal-title-status.ts
deleted file mode 100644
index e0fe8312468..00000000000
--- a/src/shared/terminal-title-status.ts
+++ /dev/null
@@ -1,165 +0,0 @@
-import {
-  AGY_AGENT_NAME_RE,
-  DROID_AGENT_NAME_RE,
-  HERMES_AGENT_NAME_RE,
-  titleHasAnyLegacyAgentName
-} from './agent-name-token-match'
-import { getPiCompatibleSyntheticAgentStatus } from './pi-compatible-synthetic-title'
-import {
-  CLAUDE_IDLE,
-  containsBrailleSpinner,
-  GEMINI_IDLE,
-  GEMINI_PERMISSION,
-  GEMINI_SILENT_WORKING,
-  GEMINI_WORKING,
-  isClaudeManagementTitle,
-  isPiTerminalTitle
-} from './terminal-title-agent-type'
-
-export type AgentStatus = 'working' | 'permission' | 'idle'
-
-// Idle-status keywords; `as const` gives consumers literal-union types.
-const STRONG_IDLE_KEYWORDS = ['ready', 'idle', 'done'] as const
-
-// Working-status keywords, shared with `clearWorkingIndicators` so detection and stripping stay in lock-step.
-const STRONG_WORKING_KEYWORDS = ['working', 'thinking', 'running'] as const
-
-// Why: `\b` fails since "-" is a non-word char (`\bready\b` matches "is-ready-cap"); lookarounds are asymmetric — reject path chars left, allow trailing punctuation ("Codex done.") right.
-export const STRONG_IDLE_KEYWORDS_RE = new RegExp(
-  `(?<![\\w./\\\\-])(${STRONG_IDLE_KEYWORDS.join('|')})(?![\\w\\-])`,
-  'i'
-)
-
-// Why: mirrors STRONG_IDLE_KEYWORDS_RE; boundary match avoids "reworking" ⊃ "working"; a false 'working' is worse (drives active-agent UI).
-export const STRONG_WORKING_KEYWORDS_RE = new RegExp(
-  `(?<![\\w./\\\\-])(${STRONG_WORKING_KEYWORDS.join('|')})(?![\\w\\-])`,
-  'i'
-)
-
-// Why: global-flag companion for clearWorkingIndicators; shares lookarounds so clearing and detection stay in lock-step.
-export const STRONG_WORKING_KEYWORDS_RE_GLOBAL = new RegExp(STRONG_WORKING_KEYWORDS_RE.source, 'gi')
-
-function containsAny(title: string, words: readonly string[]): boolean {
-  const lower = title.toLowerCase()
-  return words.some((word) => lower.includes(word))
-}
-
-/**
- * Tracks agent status transitions from terminal title changes.
- * Fires `onBecameIdle` on working→idle/permission — the trigger for unread notifications.
- */
-export function createAgentStatusTracker(
-  onBecameIdle: (title: string) => void,
-  onBecameWorking?: () => void,
-  onAgentExited?: () => void
-): {
-  handleTitle: (title: string) => void
-  /** Clear status so a stale working→idle transition can't fire after teardown. */
-  reset: () => void
-} {
-  let lastStatus: AgentStatus | null = null
-
-  return {
-    handleTitle(title: string): void {
-      const newStatus = detectAgentStatusFromTitle(title)
-      if (lastStatus === 'working' && newStatus !== null && newStatus !== 'working') {
-        onBecameIdle(title)
-      }
-      if (lastStatus !== 'working' && newStatus === 'working') {
-        onBecameWorking?.()
-      }
-      // Why: null title = reverted to a plain shell prompt (agent exited); skip when 'working' since active agents briefly flash shell titles.
-      if (lastStatus !== null && lastStatus !== 'working' && newStatus === null) {
-        lastStatus = null
-        onAgentExited?.()
-      }
-      if (newStatus !== null) {
-        lastStatus = newStatus
-      }
-    },
-    reset(): void {
-      lastStatus = null
-    }
-  }
-}
-
-// Why: cursor's native title is constant and carries no working/idle info; keep it a no-op so per-turn re-emissions can't stomp Orca-synthesized state.
-const CURSOR_NATIVE_TITLE_LOWER = 'cursor agent'
-
-export function detectAgentStatusFromTitle(title: string): AgentStatus | null {
-  if (!title) {
-    return null
-  }
-  if (isClaudeManagementTitle(title)) {
-    return null
-  }
-  // Why: exact "Cursor Agent" is cursor's info-free native title; titles with extra tokens are Orca-synthesized and worth classifying.
-  if (title.trim().toLowerCase() === CURSOR_NATIVE_TITLE_LOWER) {
-    return null
-  }
-
-  // Gemini CLI symbols are the most specific and should take precedence.
-  if (title.includes(GEMINI_PERMISSION)) {
-    return 'permission'
-  }
-  if (title.includes(GEMINI_WORKING) || title.includes(GEMINI_SILENT_WORKING)) {
-    return 'working'
-  }
-  if (title.includes(GEMINI_IDLE)) {
-    return 'idle'
-  }
-
-  // Why: resolve synthetic Pi/OMP labels before the broader Pi/braille checks below.
-  const piCompatibleSyntheticAgentStatus = getPiCompatibleSyntheticAgentStatus(title)
-  if (piCompatibleSyntheticAgentStatus) {
-    return piCompatibleSyntheticAgentStatus
-  }
-
-  // Claude Code uses ✳ idle prefix; check before braille/agent-name since the title is the task description, not "Claude Code".
-  if (title.startsWith(`${CLAUDE_IDLE} `) || title === CLAUDE_IDLE) {
-    return 'idle'
-  }
-
-  if (isPiTerminalTitle(title)) {
-    return 'idle'
-  }
-
-  if (containsBrailleSpinner(title)) {
-    return 'working'
-  }
-
-  const hasDroidAgentName = DROID_AGENT_NAME_RE.test(title)
-  const hasHermesAgentName = HERMES_AGENT_NAME_RE.test(title)
-  const hasAgyAgentName = AGY_AGENT_NAME_RE.test(title)
-  const hasLegacyAgentName = titleHasAnyLegacyAgentName(title)
-  if (hasLegacyAgentName || hasDroidAgentName || hasHermesAgentName || hasAgyAgentName) {
-    if (containsAny(title, ['action required', 'permission', 'waiting'])) {
-      return 'permission'
-    }
-    // Why: boundary match (not substring) so "already" ⊃ "ready" isn't classified idle. See STRONG_IDLE_KEYWORDS_RE.
-    if (STRONG_IDLE_KEYWORDS_RE.test(title)) {
-      return 'idle'
-    }
-    // Why: false 'working' is worse than false 'idle' (drives active-agent UI); boundary match avoids "reworking" ⊃ "working".
-    if (STRONG_WORKING_KEYWORDS_RE.test(title)) {
-      return 'working'
-    }
-
-    // Claude Code title prefixes: ". " = working, "* " = idle
-    if (title.startsWith('. ')) {
-      return 'working'
-    }
-    if (title.startsWith('* ')) {
-      return 'idle'
-    }
-
-    // Why: Droid's hook events are authoritative; don't treat a name-only native title as a completion.
-    if (hasDroidAgentName && !hasLegacyAgentName) {
-      return null
-    }
-
-    return 'idle'
-  }
-
-  return null
-}
diff --git a/src/shared/work-items.ts b/src/shared/work-items.ts
index 0a770058cc4..489fe372776 100644
--- a/src/shared/work-items.ts
+++ b/src/shared/work-items.ts
@@ -26,19 +26,10 @@ export function isGitHubWorkItemsSshRemoteRequiredError(error: unknown): boolean
   return message.includes(GITHUB_WORK_ITEMS_SSH_REMOTE_REQUIRED_MESSAGE)
 }
 
-// Why: generic over item shape for the same cross-caller reasons as
-// sortWorkItemsByUpdatedAt. Sorting by number descending matches GitHub's
-// default Issues view (newest issue number first).
+// Why: generic over item shape because main-process callers emit items without
+// repoId (stamped by the renderer after IPC), while renderer callers carry the
+// full GitHubWorkItem. Sorting by number descending matches GitHub's default
+// Issues view (newest issue number first).
 export function sortWorkItemsByNumber<T extends { number: number }>(items: T[]): T[] {
   return [...items].sort((left, right) => right.number - left.number)
 }
-
-// Why: generic over the item shape because main-process callers emit items
-// without repoId (stamped by the renderer after IPC), while renderer callers
-// carry the full GitHubWorkItem. Both share only the updatedAt field needed
-// here.
-export function sortWorkItemsByUpdatedAt<T extends { updatedAt: string }>(items: T[]): T[] {
-  return [...items].sort((left, right) => {
-    return new Date(right.updatedAt).getTime() - new Date(left.updatedAt).getTime()
-  })
-}
diff --git a/src/shared/workspace-scope.ts b/src/shared/workspace-scope.ts
index 6aed11b6e2d..4993c0599d7 100644
--- a/src/shared/workspace-scope.ts
+++ b/src/shared/workspace-scope.ts
@@ -8,12 +8,6 @@ export function folderWorkspaceKey(folderWorkspaceId: string): WorkspaceKey {
   return `folder:${folderWorkspaceId}`
 }
 
-export function workspaceKeyFromScope(scope: WorkspaceScope): WorkspaceKey {
-  return scope.type === 'worktree'
-    ? worktreeWorkspaceKey(scope.worktreeId)
-    : folderWorkspaceKey(scope.folderWorkspaceId)
-}
-
 export function parseWorkspaceKey(value: string): WorkspaceScope | null {
   if (value.startsWith('worktree:')) {
     const worktreeId = value.slice('worktree:'.length)
diff --git a/src/shared/wsl-hook-relay-contract.ts b/src/shared/wsl-hook-relay-contract.ts
index ed6e147de18..87f099e6e0d 100644
--- a/src/shared/wsl-hook-relay-contract.ts
+++ b/src/shared/wsl-hook-relay-contract.ts
@@ -44,16 +44,6 @@ export const WSL_HOOK_FS_METHODS = {
   mkdir: 'wslfs.mkdir'
 } as const
 
-/** Hard guest-side ceilings. Host requests may lower them but cannot raise them. */
-export const WSL_HOOK_FS_MAX_READ_BYTES = 64 * 1024 * 1024
-export const WSL_HOOK_FS_MAX_DIRECTORY_ENTRIES = 10_000
-export const WSL_HOOK_FS_MAX_DIRECTORY_RETAINED_BYTES = 2 * 1024 * 1024
-
-export type WslHookFsDirectoryLimits = {
-  maxEntries: number
-  maxRetainedBytes: number
-}
-
 /** Result envelope for every fs-bridge method. Errors travel as data (not
  *  JSON-RPC faults) so the host adapter can map POSIX errno onto the ssh2
  *  status codes the shared installer error-classifiers already understand. */