diff --git a/apps/desktop/electron/backend-probes.test.cjs b/apps/desktop/electron/backend-probes.test.cjs
index db39ebcee..13d30a286 100644
--- a/apps/desktop/electron/backend-probes.test.cjs
+++ b/apps/desktop/electron/backend-probes.test.cjs
@@ -67,7 +67,9 @@ test('verifyHermesCli returns true when --version exits 0', () => {
   } finally {
     try {
       fs.unlinkSync(scriptPath)
-    } catch {}
+    } catch {
+      void 0
+    }
   }
 })
 
diff --git a/apps/desktop/electron/bootstrap-platform.cjs b/apps/desktop/electron/bootstrap-platform.cjs
index e217a4c6f..e385eca1c 100644
--- a/apps/desktop/electron/bootstrap-platform.cjs
+++ b/apps/desktop/electron/bootstrap-platform.cjs
@@ -52,7 +52,9 @@ function detectRemoteDisplay(options = {}) {
   const env = options.env ?? process.env
   const platform = options.platform ?? process.platform
 
-  const override = String(env.HERMES_DESKTOP_DISABLE_GPU || '').trim().toLowerCase()
+  const override = String(env.HERMES_DESKTOP_DISABLE_GPU || '')
+    .trim()
+    .toLowerCase()
   if (GPU_OVERRIDE_ON.has(override)) return 'override (HERMES_DESKTOP_DISABLE_GPU)'
   if (GPU_OVERRIDE_OFF.has(override)) return null
 
diff --git a/apps/desktop/electron/bootstrap-platform.test.cjs b/apps/desktop/electron/bootstrap-platform.test.cjs
index 2d3ba3763..9833d90ce 100644
--- a/apps/desktop/electron/bootstrap-platform.test.cjs
+++ b/apps/desktop/electron/bootstrap-platform.test.cjs
@@ -45,11 +45,17 @@ test('detectRemoteDisplay does not treat WSLg as remote', () => {
   // WSLg renders locally via vGPU and doesn't show the flicker, so a WSL
   // session with a local DISPLAY keeps hardware acceleration on.
   assert.equal(detectRemoteDisplay({ env: { WSL_DISTRO_NAME: 'Ubuntu', DISPLAY: ':0' }, platform: 'linux' }), null)
-  assert.equal(detectRemoteDisplay({ env: { WSL_INTEROP: '/run/WSL/1_interop', DISPLAY: ':0' }, platform: 'linux' }), null)
+  assert.equal(
+    detectRemoteDisplay({ env: { WSL_INTEROP: '/run/WSL/1_interop', DISPLAY: ':0' }, platform: 'linux' }),
+    null
+  )
 })
 
 test('detectRemoteDisplay flags SSH sessions on any platform', () => {
-  assert.equal(detectRemoteDisplay({ env: { SSH_CONNECTION: '1.2.3.4 5 6.7.8.9 22' }, platform: 'linux' }), 'ssh-session')
+  assert.equal(
+    detectRemoteDisplay({ env: { SSH_CONNECTION: '1.2.3.4 5 6.7.8.9 22' }, platform: 'linux' }),
+    'ssh-session'
+  )
   assert.equal(detectRemoteDisplay({ env: { SSH_CLIENT: '1.2.3.4 5 22' }, platform: 'darwin' }), 'ssh-session')
   assert.equal(detectRemoteDisplay({ env: { SSH_TTY: '/dev/pts/0' }, platform: 'win32' }), 'ssh-session')
 })
diff --git a/apps/desktop/electron/bootstrap-runner.cjs b/apps/desktop/electron/bootstrap-runner.cjs
index fa7a47ee2..871ba2ec7 100644
--- a/apps/desktop/electron/bootstrap-runner.cjs
+++ b/apps/desktop/electron/bootstrap-runner.cjs
@@ -101,7 +101,9 @@ function downloadInstallScript(commit, destPath) {
             .get(res.headers.location, res2 => {
               if (res2.statusCode !== 200) {
                 reject(
-                  new Error(`Failed to download ${scriptName}: HTTP ${res2.statusCode} from redirect ${res.headers.location}`)
+                  new Error(
+                    `Failed to download ${scriptName}: HTTP ${res2.statusCode} from redirect ${res.headers.location}`
+                  )
                 )
                 return
               }
@@ -121,7 +123,9 @@ function downloadInstallScript(commit, destPath) {
           out.close()
           try {
             fs.unlinkSync(tmpPath)
-          } catch {}
+          } catch {
+            void 0
+          }
           reject(new Error(`Failed to download ${scriptName}: HTTP ${res.statusCode} from ${url}`))
           return
         }
@@ -134,14 +138,18 @@ function downloadInstallScript(commit, destPath) {
         out.on('error', err => {
           try {
             fs.unlinkSync(tmpPath)
-          } catch {}
+          } catch {
+            void 0
+          }
           reject(err)
         })
       })
       .on('error', err => {
         try {
           fs.unlinkSync(tmpPath)
-        } catch {}
+        } catch {
+          void 0
+        }
         reject(err)
       })
   })
@@ -168,13 +176,19 @@ async function resolveInstallScript({ installStamp, sourceRepoRoot, hermesHome,
   const cached = cachedScriptPath(hermesHome, installStamp.commit)
   try {
     await fsp.access(cached, fs.constants.R_OK)
-    emit({ type: 'log', line: `[bootstrap] using cached ${installScriptName()} for ${installStamp.commit.slice(0, 12)}` })
+    emit({
+      type: 'log',
+      line: `[bootstrap] using cached ${installScriptName()} for ${installStamp.commit.slice(0, 12)}`
+    })
     return { path: cached, source: 'cache', commit: installStamp.commit, kind: installScriptKind() }
   } catch {
     // not cached; download
   }
 
-  emit({ type: 'log', line: `[bootstrap] fetching ${installScriptName()} for ${installStamp.commit.slice(0, 12)} from GitHub` })
+  emit({
+    type: 'log',
+    line: `[bootstrap] fetching ${installScriptName()} for ${installStamp.commit.slice(0, 12)} from GitHub`
+  })
   await downloadInstallScript(installStamp.commit, cached)
   emit({ type: 'log', line: `[bootstrap] saved to ${cached}` })
   return { path: cached, source: 'download', commit: installStamp.commit, kind: installScriptKind() }
@@ -207,7 +221,9 @@ function spawnPowerShell(scriptPath, args, { emit, stageName, abortSignal, herme
       killed = true
       try {
         child.kill('SIGTERM')
-      } catch {}
+      } catch {
+        void 0
+      }
     }
     if (abortSignal) {
       if (abortSignal.aborted) {
@@ -278,7 +294,9 @@ function spawnBash(scriptPath, args, { emit, stageName, abortSignal, hermesHome
       killed = true
       try {
         child.kill('SIGTERM')
-      } catch {}
+      } catch {
+        void 0
+      }
     }
     if (abortSignal) {
       if (abortSignal.aborted) {
@@ -369,7 +387,9 @@ async function fetchManifest({ scriptPath, installerKind, emit, hermesHome, acti
     hermesHome
   })
   if (result.code !== 0) {
-    throw new Error(`${isPosix ? 'install.sh --manifest' : 'install.ps1 -Manifest'} failed: exit ${result.code}\n${result.stderr || result.stdout}`)
+    throw new Error(
+      `${isPosix ? 'install.sh --manifest' : 'install.ps1 -Manifest'} failed: exit ${result.code}\n${result.stderr || result.stdout}`
+    )
   }
   // The manifest is the LAST JSON line on stdout (install.ps1 may print
   // banner / info lines first depending on Console.OutputEncoding effects).
@@ -381,9 +401,13 @@ async function fetchManifest({ scriptPath, installerKind, emit, hermesHome, acti
       if (parsed && Array.isArray(parsed.stages)) {
         return parsed
       }
-    } catch {}
+    } catch {
+      void 0
+    }
   }
-  throw new Error(`${isPosix ? 'install.sh --manifest' : 'install.ps1 -Manifest'} produced no parseable JSON payload\n${result.stdout}`)
+  throw new Error(
+    `${isPosix ? 'install.sh --manifest' : 'install.ps1 -Manifest'} produced no parseable JSON payload\n${result.stdout}`
+  )
 }
 
 // Parse the JSON result frame from a stage run. The protocol guarantees
@@ -397,7 +421,9 @@ function parseStageResult(stdout) {
       if (parsed && typeof parsed.ok === 'boolean' && typeof parsed.stage === 'string') {
         return parsed
       }
-    } catch {}
+    } catch {
+      void 0
+    }
   }
   return null
 }
@@ -408,13 +434,20 @@ async function runStage({ scriptPath, installerKind, stage, emit, hermesHome, ac
 
   const isPosix = installerKind === 'posix'
   const args = isPosix
-    ? ['--stage', stage.name, '--non-interactive', '--json', ...buildPosixPinArgs({ installStamp, activeRoot, hermesHome })]
+    ? [
+        '--stage',
+        stage.name,
+        '--non-interactive',
+        '--json',
+        ...buildPosixPinArgs({ installStamp, activeRoot, hermesHome })
+      ]
     : ['-Stage', stage.name, '-NonInteractive', '-Json', ...buildPinArgs(installStamp)]
-  const result = await (isPosix ? spawnBash : spawnPowerShell)(
-    scriptPath,
-    args,
-    { emit, stageName: stage.name, abortSignal, hermesHome }
-  )
+  const result = await (isPosix ? spawnBash : spawnPowerShell)(scriptPath, args, {
+    emit,
+    stageName: stage.name,
+    abortSignal,
+    hermesHome
+  })
 
   const durationMs = Date.now() - startedAt
 
@@ -449,7 +482,14 @@ async function runStage({ scriptPath, installerKind, stage, emit, hermesHome, ac
     emit(ev)
     return ev
   }
-  const ev = { type: 'stage', name: stage.name, state: 'failed', durationMs, json, error: json.reason || `exit code ${result.code}` }
+  const ev = {
+    type: 'stage',
+    name: stage.name,
+    state: 'failed',
+    durationMs,
+    json,
+    error: json.reason || `exit code ${result.code}`
+  }
   emit(ev)
   return ev
 }
@@ -489,7 +529,9 @@ async function runBootstrap(opts) {
     if (typeof onEvent === 'function') {
       try {
         onEvent({ type: 'failed', error: 'bootstrap cancelled by user' })
-      } catch {}
+      } catch {
+        void 0
+      }
     }
     return { ok: false, cancelled: true }
   }
@@ -501,7 +543,9 @@ async function runBootstrap(opts) {
   const emit = ev => {
     try {
       runLog.stream.write(JSON.stringify(ev) + '\n')
-    } catch {}
+    } catch {
+      void 0
+    }
     try {
       if (typeof onEvent === 'function') onEvent(ev)
     } catch (err) {
@@ -578,7 +622,9 @@ async function runBootstrap(opts) {
   } finally {
     try {
       runLog.stream.end()
-    } catch {}
+    } catch {
+      void 0
+    }
   }
 }
 
diff --git a/apps/desktop/electron/connection-config.test.cjs b/apps/desktop/electron/connection-config.test.cjs
index 754e9f700..3182bd2ff 100644
--- a/apps/desktop/electron/connection-config.test.cjs
+++ b/apps/desktop/electron/connection-config.test.cjs
@@ -53,31 +53,19 @@ test('normalizeRemoteBaseUrl rejects garbage', () => {
 // --- buildGatewayWsUrl (token) ---
 
 test('buildGatewayWsUrl uses wss for https and bakes the token', () => {
-  assert.equal(
-    buildGatewayWsUrl('https://gw.example.com', 'tok123'),
-    'wss://gw.example.com/api/ws?token=tok123'
-  )
+  assert.equal(buildGatewayWsUrl('https://gw.example.com', 'tok123'), 'wss://gw.example.com/api/ws?token=tok123')
 })
 
 test('buildGatewayWsUrl uses ws for http', () => {
-  assert.equal(
-    buildGatewayWsUrl('http://127.0.0.1:9119', 'abc'),
-    'ws://127.0.0.1:9119/api/ws?token=abc'
-  )
+  assert.equal(buildGatewayWsUrl('http://127.0.0.1:9119', 'abc'), 'ws://127.0.0.1:9119/api/ws?token=abc')
 })
 
 test('buildGatewayWsUrl honors a path prefix', () => {
-  assert.equal(
-    buildGatewayWsUrl('https://host/hermes', 't'),
-    'wss://host/hermes/api/ws?token=t'
-  )
+  assert.equal(buildGatewayWsUrl('https://host/hermes', 't'), 'wss://host/hermes/api/ws?token=t')
 })
 
 test('buildGatewayWsUrl url-encodes the token', () => {
-  assert.equal(
-    buildGatewayWsUrl('https://host', 'a/b c+d'),
-    'wss://host/api/ws?token=a%2Fb%20c%2Bd'
-  )
+  assert.equal(buildGatewayWsUrl('https://host', 'a/b c+d'), 'wss://host/api/ws?token=a%2Fb%20c%2Bd')
 })
 
 // --- buildGatewayWsUrlWithTicket (oauth) ---
@@ -89,10 +77,7 @@ test('buildGatewayWsUrlWithTicket uses ?ticket= not ?token=', () => {
 })
 
 test('buildGatewayWsUrlWithTicket url-encodes the ticket', () => {
-  assert.equal(
-    buildGatewayWsUrlWithTicket('https://host', 'a+b/c'),
-    'wss://host/api/ws?ticket=a%2Bb%2Fc'
-  )
+  assert.equal(buildGatewayWsUrlWithTicket('https://host', 'a+b/c'), 'wss://host/api/ws?ticket=a%2Bb%2Fc')
 })
 
 // --- authModeFromStatus ---
@@ -157,11 +142,7 @@ test('cookiesHaveSession handles non-arrays', () => {
 })
 
 test('AT_COOKIE_VARIANTS covers all three deploy shapes', () => {
-  assert.deepEqual(AT_COOKIE_VARIANTS, [
-    '__Host-hermes_session_at',
-    '__Secure-hermes_session_at',
-    'hermes_session_at'
-  ])
+  assert.deepEqual(AT_COOKIE_VARIANTS, ['__Host-hermes_session_at', '__Secure-hermes_session_at', 'hermes_session_at'])
 })
 
 // --- tokenPreview ---
diff --git a/apps/desktop/electron/main.cjs b/apps/desktop/electron/main.cjs
index 093b90ade..254e4a70b 100644
--- a/apps/desktop/electron/main.cjs
+++ b/apps/desktop/electron/main.cjs
@@ -1352,9 +1352,7 @@ async function applyUpdates(opts = {}) {
       env: {
         ...process.env,
         HERMES_HOME,
-        PATH: [path.join(HERMES_HOME, 'node', 'bin'), venvBin, process.env.PATH]
-          .filter(Boolean)
-          .join(path.delimiter)
+        PATH: [path.join(HERMES_HOME, 'node', 'bin'), venvBin, process.env.PATH].filter(Boolean).join(path.delimiter)
       },
       detached: true,
       stdio: 'ignore',
@@ -1428,7 +1426,7 @@ function shellQuote(value) {
 // (`hermes desktop --build-only`), then atomically swap the running .app bundle
 // with the freshly built one and relaunch. Degrades to "backend updated,
 // restart to load the new GUI" if the swap can't be performed.
-async function applyUpdatesPosixInApp(opts = {}) {
+async function applyUpdatesPosixInApp() {
   const updateRoot = resolveUpdateRoot()
   const hermes = resolveHermesCliBinary(updateRoot)
   if (!hermes) {
@@ -1901,7 +1899,9 @@ async function ensureRuntime(backend) {
         stages: [],
         protocolVersion: null
       })
-    } catch {}
+    } catch {
+      void 0
+    }
 
     bootstrapAbortController = new AbortController()
 
@@ -1919,10 +1919,14 @@ async function ensureRuntime(backend) {
         // bootstrap and a log-write failure doesn't suppress the UI signal.
         try {
           rememberLog(`[bootstrap] ${JSON.stringify(ev)}`)
-        } catch {}
+        } catch {
+          void 0
+        }
         try {
           broadcastBootstrapEvent(ev)
-        } catch {}
+        } catch {
+          void 0
+        }
       },
       writeMarker: writeBootstrapMarker
     })
@@ -2848,7 +2852,9 @@ function buildApplicationMenu() {
       {
         label: 'Actual Size',
         accelerator: 'CommandOrControl+0',
-        click: () => { if (mainWindow && !mainWindow.isDestroyed()) mainWindow.webContents.setZoomLevel(0) }
+        click: () => {
+          if (mainWindow && !mainWindow.isDestroyed()) mainWindow.webContents.setZoomLevel(0)
+        }
       },
       {
         label: 'Zoom In',
@@ -3191,7 +3197,7 @@ function openOauthLoginWindow(baseUrl) {
     let win = null
     let pollTimer = null
 
-    const finish = (err) => {
+    const finish = err => {
       if (settled) return
       settled = true
       if (pollTimer) clearInterval(pollTimer)
@@ -3314,7 +3320,7 @@ function fetchJsonViaOauthSession(url, options = {}) {
           return
         }
         const looksHtml = /^\s*<(?:!doctype|html)/i.test(text)
-        const contentType = String((res.headers['content-type'] || res.headers['Content-Type'] || ''))
+        const contentType = String(res.headers['content-type'] || res.headers['Content-Type'] || '')
         if (looksHtml || contentType.includes('text/html')) {
           reject(new Error(`Expected JSON from ${url} but got HTML (status ${statusCode}).`))
           return
@@ -3553,8 +3559,7 @@ async function resolveRemoteBackend() {
       ticket = await mintGatewayWsTicket(baseUrl)
     } catch (error) {
       const err = new Error(
-        'Your remote gateway session has expired. ' +
-          'Open Settings → Gateway and click "Sign in" again.'
+        'Your remote gateway session has expired. ' + 'Open Settings → Gateway and click "Sign in" again.'
       )
       err.needsOauthLogin = true
       err.cause = error
@@ -4036,7 +4041,9 @@ ipcMain.handle('hermes:bootstrap:cancel', async () => {
   if (bootstrapAbortController) {
     try {
       bootstrapAbortController.abort()
-    } catch {}
+    } catch {
+      void 0
+    }
     return { ok: true, cancelled: true }
   }
   return { ok: false, cancelled: false }
@@ -4614,7 +4621,9 @@ app.on('before-quit', () => {
   if (bootstrapAbortController) {
     try {
       bootstrapAbortController.abort()
-    } catch {}
+    } catch {
+      void 0
+    }
   }
 
   if (desktopLogFlushTimer) {
diff --git a/apps/desktop/src/app/chat/composer/context-menu.tsx b/apps/desktop/src/app/chat/composer/context-menu.tsx
index b7ebef7d8..4db5553cf 100644
--- a/apps/desktop/src/app/chat/composer/context-menu.tsx
+++ b/apps/desktop/src/app/chat/composer/context-menu.tsx
@@ -2,13 +2,7 @@ import { useState } from 'react'
 
 import { Button } from '@/components/ui/button'
 import { Codicon } from '@/components/ui/codicon'
-import {
-  Dialog,
-  DialogContent,
-  DialogDescription,
-  DialogHeader,
-  DialogTitle
-} from '@/components/ui/dialog'
+import { Dialog, DialogContent, DialogDescription, DialogHeader, DialogTitle } from '@/components/ui/dialog'
 import {
   DropdownMenu,
   DropdownMenuContent,
@@ -104,8 +98,8 @@ export function ContextMenu({
           <DropdownMenuSeparator />
 
           <div className="px-2 py-1 text-[0.7rem] text-muted-foreground/80">
-            Tip: type <kbd className="rounded bg-muted/70 px-1 py-px font-mono text-[0.65rem]">@</kbd> to reference files
-            inline.
+            Tip: type <kbd className="rounded bg-muted/70 px-1 py-px font-mono text-[0.65rem]">@</kbd> to reference
+            files inline.
           </div>
         </DropdownMenuContent>
       </DropdownMenu>
@@ -120,12 +114,7 @@ export function ContextMenu({
   )
 }
 
-function PromptSnippetsDialog({
-  onInsertText,
-  onOpenChange,
-  open,
-  snippets
-}: PromptSnippetsDialogProps) {
+function PromptSnippetsDialog({ onInsertText, onOpenChange, open, snippets }: PromptSnippetsDialogProps) {
   return (
     <Dialog onOpenChange={onOpenChange} open={open}>
       <DialogContent className="max-w-md gap-3">
@@ -160,12 +149,7 @@ function PromptSnippetsDialog({
   )
 }
 
-export function ContextMenuItem({
-  children,
-  disabled,
-  icon: Icon,
-  onSelect
-}: ContextMenuItemProps) {
+export function ContextMenuItem({ children, disabled, icon: Icon, onSelect }: ContextMenuItemProps) {
   return (
     <DropdownMenuItem disabled={disabled} onSelect={onSelect}>
       <Icon />
diff --git a/apps/desktop/src/app/chat/composer/index.tsx b/apps/desktop/src/app/chat/composer/index.tsx
index e39c79356..97e7d78a2 100644
--- a/apps/desktop/src/app/chat/composer/index.tsx
+++ b/apps/desktop/src/app/chat/composer/index.tsx
@@ -21,11 +21,7 @@ import { chatMessageText } from '@/lib/chat-messages'
 import { DATA_IMAGE_URL_RE } from '@/lib/embedded-images'
 import { triggerHaptic } from '@/lib/haptics'
 import { cn } from '@/lib/utils'
-import {
-  $composerAttachments,
-  clearComposerAttachments,
-  type ComposerAttachment
-} from '@/store/composer'
+import { $composerAttachments, clearComposerAttachments, type ComposerAttachment } from '@/store/composer'
 import {
   $queuedPromptsBySession,
   enqueueQueuedPrompt,
@@ -172,7 +168,7 @@ export function ChatBar({
   const [queueEdit, setQueueEdit] = useState<QueueEditState | null>(null)
   const [focusRequestId, setFocusRequestId] = useState(0)
   const dragDepthRef = useRef(0)
-  const composingRef = useRef(false)  // true during IME composition (CJK input)
+  const composingRef = useRef(false) // true during IME composition (CJK input)
   const lastSpokenIdRef = useRef<string | null>(null)
 
   const narrow = useMediaQuery('(max-width: 30rem)')
@@ -1253,9 +1249,11 @@ export function ChatBar({
           onDrop={handleDrop}
           onSubmit={e => {
             e.preventDefault()
+
             if (composingRef.current) {
               return
             }
+
             submitDraft()
           }}
           ref={composerRef}
diff --git a/apps/desktop/src/app/chat/composer/slash-nav-dom-repro.test.tsx b/apps/desktop/src/app/chat/composer/slash-nav-dom-repro.test.tsx
index 8835d4275..d2f7f8fef 100644
--- a/apps/desktop/src/app/chat/composer/slash-nav-dom-repro.test.tsx
+++ b/apps/desktop/src/app/chat/composer/slash-nav-dom-repro.test.tsx
@@ -37,7 +37,10 @@ function Harness({
   const refreshTrigger = useCallback(() => {
     const editor = editorRef.current
 
-    if (!editor) {return}
+    if (!editor) {
+      return
+    }
+
     const raw = editor.textContent ?? ''
 
     if (!raw.includes('@') && !raw.includes('/')) {
diff --git a/apps/desktop/src/app/chat/perf-probe.tsx b/apps/desktop/src/app/chat/perf-probe.tsx
index f128c9cb3..383e4bcba 100644
--- a/apps/desktop/src/app/chat/perf-probe.tsx
+++ b/apps/desktop/src/app/chat/perf-probe.tsx
@@ -1,6 +1,6 @@
 import { Profiler, type ProfilerOnRenderCallback, type ReactNode } from 'react'
 
-import { $messages, setMessages, setBusy } from '@/store/session'
+import { $messages, setBusy, setMessages } from '@/store/session'
 
 type Sample = {
   id: string
@@ -40,13 +40,16 @@ if (typeof window !== 'undefined' && !window.__PERF_PROBE__) {
     },
     summary: () => {
       const byId = new Map<string, number[]>()
+
       for (const s of samples) {
         const k = `${s.id}:${s.phase}`
         const arr = byId.get(k) ?? []
         arr.push(s.actualDuration)
         byId.set(k, arr)
       }
+
       const out: Record<string, { count: number; total: number; max: number; p50: number; p95: number }> = {}
+
       for (const [k, arr] of byId) {
         arr.sort((a, b) => a - b)
         const total = arr.reduce((a, b) => a + b, 0)
@@ -55,19 +58,27 @@ if (typeof window !== 'undefined' && !window.__PERF_PROBE__) {
           total: Math.round(total * 100) / 100,
           max: Math.round(arr[arr.length - 1] * 100) / 100,
           p50: Math.round(arr[Math.floor(arr.length * 0.5)] * 100) / 100,
-          p95: Math.round(arr[Math.floor(arr.length * 0.95)] * 100) / 100,
+          p95: Math.round(arr[Math.floor(arr.length * 0.95)] * 100) / 100
         }
       }
+
       return out
-    },
+    }
   }
 }
 
 const onRender: ProfilerOnRenderCallback = (id, phase, actualDuration, baseDuration, startTime, commitTime) => {
   const probe = typeof window !== 'undefined' ? window.__PERF_PROBE__ : undefined
-  if (!probe || !probe.enabled) return
+
+  if (!probe || !probe.enabled) {
+    return
+  }
+
   probe.samples.push({ id, phase, actualDuration, baseDuration, startTime, commitTime })
-  if (probe.samples.length > 5000) probe.samples.splice(0, probe.samples.length - 5000)
+
+  if (probe.samples.length > 5000) {
+    probe.samples.splice(0, probe.samples.length - 5000)
+  }
 }
 
 if (typeof window !== 'undefined' && !window.__PERF_DRIVE__) {
@@ -86,7 +97,11 @@ if (typeof window !== 'undefined' && !window.__PERF_DRIVE__) {
     snapshotMsgs: () => $messages.get().length,
     reset: () => {
       activeHandle?.stop()
-      if (baseline) setMessages(baseline)
+
+      if (baseline) {
+        setMessages(baseline)
+      }
+
       baseline = null
       setBusy(false)
     },
@@ -104,7 +119,11 @@ if (typeof window !== 'undefined' && !window.__PERF_DRIVE__) {
     }: { chunk?: string; intervalMs?: number; totalTokens?: number; flushMinMs?: number } = {}) => {
       activeHandle?.stop()
       const current = $messages.get()
-      if (!baseline) baseline = current
+
+      if (!baseline) {
+        baseline = current
+      }
+
       const msgId = `synthetic-${Date.now()}`
       // Seed an empty assistant message — assistant-ui will see it grow.
       setMessages([
@@ -126,13 +145,20 @@ if (typeof window !== 'undefined' && !window.__PERF_DRIVE__) {
       let flushHandle: number | null = null
 
       const applyDelta = (delta: string) => {
-        if (!delta) return
+        if (!delta) {
+          return
+        }
+
         setMessages(prev =>
           prev.map(m => {
-            if (m.id !== msgId) return m
+            if (m.id !== msgId) {
+              return m
+            }
+
             const head = m.parts.slice(0, -1)
             const last = m.parts.at(-1)
             const lastText = last && last.type === 'text' ? last.text : ''
+
             return {
               ...m,
               parts: [...head, { type: 'text', text: lastText + delta }]
@@ -150,8 +176,16 @@ if (typeof window !== 'undefined' && !window.__PERF_DRIVE__) {
       }
 
       const scheduleFlush = () => {
-        if (flushHandle !== null) return
-        if (flushMinMs <= 0) { flushNow(); return }
+        if (flushHandle !== null) {
+          return
+        }
+
+        if (flushMinMs <= 0) {
+          flushNow()
+
+          return
+        }
+
         const since = performance.now() - lastFlushAt
         const wait = Math.max(0, flushMinMs - since)
         flushHandle =
@@ -162,48 +196,62 @@ if (typeof window !== 'undefined' && !window.__PERF_DRIVE__) {
 
       const handle: SyntheticDriverHandle = {
         stop: () => {
-          if (timer) clearTimeout(timer)
+          if (timer) {
+            clearTimeout(timer)
+          }
+
           timer = null
+
           if (flushHandle !== null) {
             clearTimeout(flushHandle)
             cancelAnimationFrame?.(flushHandle)
           }
+
           flushHandle = null
+
           if (pendingDelta) {
             applyDelta(pendingDelta)
             pendingDelta = ''
           }
+
           activeHandle = null
           // Mark message finalized.
-          setMessages(prev =>
-            prev.map(m =>
-              m.id === msgId
-                ? { ...m, pending: false }
-                : m
-            )
-          )
+          setMessages(prev => prev.map(m => (m.id === msgId ? { ...m, pending: false } : m)))
           setBusy(false)
         }
       }
+
       activeHandle = handle
 
       const tick = () => {
-        if (activeHandle !== handle) return
-        if (pushed >= totalTokens) {
-          if (pendingDelta) flushNow()
-          handle.stop()
+        if (activeHandle !== handle) {
           return
         }
+
+        if (pushed >= totalTokens) {
+          if (pendingDelta) {
+            flushNow()
+          }
+
+          handle.stop()
+
+          return
+        }
+
         pushed += 1
+
         if (flushMinMs > 0) {
           pendingDelta += chunk
           scheduleFlush()
         } else {
           applyDelta(chunk)
         }
+
         timer = setTimeout(tick, intervalMs)
       }
+
       timer = setTimeout(tick, intervalMs)
+
       return handle
     }
   }
diff --git a/apps/desktop/src/app/chat/right-rail/preview.tsx b/apps/desktop/src/app/chat/right-rail/preview.tsx
index 215991808..b53acc955 100644
--- a/apps/desktop/src/app/chat/right-rail/preview.tsx
+++ b/apps/desktop/src/app/chat/right-rail/preview.tsx
@@ -101,12 +101,17 @@ export function ChatPreviewRail({ onRestartServer, setTitlebarToolGroup }: ChatP
                 // memory. `onMouseDown` swallows the middle-button press so
                 // Chromium doesn't switch into autoscroll mode.
                 onAuxClick={event => {
-                  if (event.button !== 1) return
+                  if (event.button !== 1) {
+                    return
+                  }
+
                   event.preventDefault()
                   closeRightRailTab(tab.id)
                 }}
                 onMouseDown={event => {
-                  if (event.button === 1) event.preventDefault()
+                  if (event.button === 1) {
+                    event.preventDefault()
+                  }
                 }}
               >
                 {active && (
diff --git a/apps/desktop/src/app/chat/sidebar/session-row.tsx b/apps/desktop/src/app/chat/sidebar/session-row.tsx
index 1b4fe6604..545d30e72 100644
--- a/apps/desktop/src/app/chat/sidebar/session-row.tsx
+++ b/apps/desktop/src/app/chat/sidebar/session-row.tsx
@@ -146,7 +146,12 @@ export function SidebarSessionRow({
               />
             </span>
           ) : (
-            <span className={cn('grid w-3.5 shrink-0 place-items-center', needsInput ? 'overflow-visible' : 'overflow-hidden')}>
+            <span
+              className={cn(
+                'grid w-3.5 shrink-0 place-items-center',
+                needsInput ? 'overflow-visible' : 'overflow-hidden'
+              )}
+            >
               <SidebarRowDot isWorking={isWorking} needsInput={needsInput} />
             </span>
           )}
diff --git a/apps/desktop/src/app/command-center/index.tsx b/apps/desktop/src/app/command-center/index.tsx
index 3789cbf45..f4420b3ed 100644
--- a/apps/desktop/src/app/command-center/index.tsx
+++ b/apps/desktop/src/app/command-center/index.tsx
@@ -6,14 +6,7 @@ import { PageLoader } from '@/components/page-loader'
 import { Button } from '@/components/ui/button'
 import { SearchField } from '@/components/ui/search-field'
 import { SegmentedControl } from '@/components/ui/segmented-control'
-import {
-  getActionStatus,
-  getLogs,
-  getStatus,
-  getUsageAnalytics,
-  restartGateway,
-  updateHermes
-} from '@/hermes'
+import { getActionStatus, getLogs, getStatus, getUsageAnalytics, restartGateway, updateHermes } from '@/hermes'
 import type { ActionStatusResponse, AnalyticsResponse, StatusResponse } from '@/hermes'
 import { sessionTitle } from '@/lib/chat-runtime'
 import { Activity, AlertCircle, BarChart3, type IconComponent, Pin } from '@/lib/icons'
@@ -128,12 +121,7 @@ function EmptyPanel({ action, description, title }: { action?: ReactNode; descri
   )
 }
 
-export function CommandCenterView({
-  initialSection,
-  onClose,
-  onDeleteSession,
-  onOpenSession
-}: CommandCenterViewProps) {
+export function CommandCenterView({ initialSection, onClose, onDeleteSession, onOpenSession }: CommandCenterViewProps) {
   const sessions = useStore($sessions)
   const pinnedSessionIds = useStore($pinnedSessionIds)
 
diff --git a/apps/desktop/src/app/command-palette/index.tsx b/apps/desktop/src/app/command-palette/index.tsx
index 31a034417..5875f1eb3 100644
--- a/apps/desktop/src/app/command-palette/index.tsx
+++ b/apps/desktop/src/app/command-palette/index.tsx
@@ -4,14 +4,7 @@ import { Dialog as DialogPrimitive } from 'radix-ui'
 import { useCallback, useEffect, useMemo, useState } from 'react'
 import { useNavigate } from 'react-router-dom'
 
-import {
-  Command,
-  CommandEmpty,
-  CommandGroup,
-  CommandInput,
-  CommandItem,
-  CommandList
-} from '@/components/ui/command'
+import { Command, CommandEmpty, CommandGroup, CommandInput, CommandItem, CommandList } from '@/components/ui/command'
 import { getHermesConfigRecord, listSessions } from '@/hermes'
 import { sessionTitle } from '@/lib/chat-runtime'
 import {
@@ -137,7 +130,11 @@ export function CommandPalette() {
 
   // Server-backed sources for the type-to-search groups, fetched lazily while
   // the palette is open. react-query handles caching/dedup/staleness.
-  const configQuery = useQuery({ queryKey: ['command-palette', 'config'], queryFn: getHermesConfigRecord, enabled: open })
+  const configQuery = useQuery({
+    queryKey: ['command-palette', 'config'],
+    queryFn: getHermesConfigRecord,
+    enabled: open
+  })
 
   const sessionsQuery = useQuery({
     queryKey: ['command-palette', 'sessions'],
@@ -154,7 +151,9 @@ export function CommandPalette() {
   const mcpServers = useMemo(() => {
     const raw = configQuery.data?.mcp_servers
 
-    return raw && typeof raw === 'object' && !Array.isArray(raw) ? Object.keys(raw as Record<string, unknown>).sort() : []
+    return raw && typeof raw === 'object' && !Array.isArray(raw)
+      ? Object.keys(raw as Record<string, unknown>).sort()
+      : []
   }, [configQuery.data])
 
   const sessions = useMemo(() => (sessionsQuery.data?.sessions ?? []).map(toSessionEntry), [sessionsQuery.data])
diff --git a/apps/desktop/src/app/cron/index.tsx b/apps/desktop/src/app/cron/index.tsx
index fe5f108be..fe5ef0d5c 100644
--- a/apps/desktop/src/app/cron/index.tsx
+++ b/apps/desktop/src/app/cron/index.tsx
@@ -432,20 +432,20 @@ export function CronView({ onClose }: CronViewProps) {
         {!jobs ? (
           <PageLoader label="Loading cron jobs..." />
         ) : visibleJobs.length === 0 ? (
-        // Empty state owns the primary "create" CTA — we used to also have
-        // one in the filters bar but it was redundant. Only show the button
-        // when there are zero jobs total; the search-empty case ("No
-        // matches") just asks the user to broaden their query.
-        <EmptyState
-          actionLabel={totalCount === 0 ? 'Create first cron' : undefined}
-          description={
-            totalCount === 0
-              ? 'Schedule a prompt to run on a cron expression. Hermes will run it and deliver results to the destination you pick.'
-              : 'Try a broader search query.'
-          }
-          onAction={totalCount === 0 ? () => setEditor({ mode: 'create' }) : undefined}
-          title={totalCount === 0 ? 'No scheduled jobs yet' : 'No matches'}
-        />
+          // Empty state owns the primary "create" CTA — we used to also have
+          // one in the filters bar but it was redundant. Only show the button
+          // when there are zero jobs total; the search-empty case ("No
+          // matches") just asks the user to broaden their query.
+          <EmptyState
+            actionLabel={totalCount === 0 ? 'Create first cron' : undefined}
+            description={
+              totalCount === 0
+                ? 'Schedule a prompt to run on a cron expression. Hermes will run it and deliver results to the destination you pick.'
+                : 'Try a broader search query.'
+            }
+            onAction={totalCount === 0 ? () => setEditor({ mode: 'create' }) : undefined}
+            title={totalCount === 0 ? 'No scheduled jobs yet' : 'No matches'}
+          />
         ) : (
           <div className="mx-auto w-full max-w-4xl min-h-0 flex-1 overflow-y-auto px-4 py-3">
             {/* Inline header replaces the old top-bar "New cron" button. We
diff --git a/apps/desktop/src/app/gateway/hooks/use-gateway-boot.ts b/apps/desktop/src/app/gateway/hooks/use-gateway-boot.ts
index 14b229c2b..f1d31a8cd 100644
--- a/apps/desktop/src/app/gateway/hooks/use-gateway-boot.ts
+++ b/apps/desktop/src/app/gateway/hooks/use-gateway-boot.ts
@@ -194,6 +194,7 @@ export function useGatewayBoot({
         scheduleReconnect()
       }
     })
+
     const offEvent = gateway.onEvent(event => callbacksRef.current.handleGatewayEvent(event))
 
     // Wake signals: power resume (macOS/Windows), network coming back, and the
@@ -201,6 +202,7 @@ export function useGatewayBoot({
     const offPowerResume = desktop.onPowerResume?.(() => reconnectNow())
 
     const onOnline = () => reconnectNow()
+
     const onVisible = () => {
       if (document.visibilityState === 'visible') {
         reconnectNow()
diff --git a/apps/desktop/src/app/messaging/platform-icon.tsx b/apps/desktop/src/app/messaging/platform-icon.tsx
index 2212a5806..6a0b32a7a 100644
--- a/apps/desktop/src/app/messaging/platform-icon.tsx
+++ b/apps/desktop/src/app/messaging/platform-icon.tsx
@@ -1,5 +1,3 @@
-import type { ComponentType, SVGProps } from 'react'
-
 import {
   SiApple,
   SiBilibili,
@@ -14,6 +12,7 @@ import {
   SiWechat,
   SiWhatsapp
 } from '@icons-pack/react-simple-icons'
+import type { ComponentType, SVGProps } from 'react'
 
 import { Globe, Link as LinkIcon, MessageSquareText } from '@/lib/icons'
 import { cn } from '@/lib/utils'
@@ -69,10 +68,7 @@ export function PlatformAvatar({ className, platformId, platformName }: Platform
 
   if (!spec) {
     return (
-      <span
-        aria-hidden="true"
-        className={cn(baseClass, 'bg-(--ui-bg-tertiary) text-(--ui-text-tertiary)')}
-      >
+      <span aria-hidden="true" className={cn(baseClass, 'bg-(--ui-bg-tertiary) text-(--ui-text-tertiary)')}>
         {platformName.charAt(0).toUpperCase()}
       </span>
     )
diff --git a/apps/desktop/src/app/page-search-shell.tsx b/apps/desktop/src/app/page-search-shell.tsx
index f0eb51292..d9ee99890 100644
--- a/apps/desktop/src/app/page-search-shell.tsx
+++ b/apps/desktop/src/app/page-search-shell.tsx
@@ -51,9 +51,7 @@ export function PageSearchShell({
       <div className="shrink-0">
         {(tabs || !searchHidden) && (
           <div className="flex items-center gap-3 px-3 pb-2 pt-[calc(var(--titlebar-height)+0.5rem)]">
-            {tabs ? (
-              <div className="flex min-w-0 flex-1 flex-wrap items-center gap-x-2 gap-y-1">{tabs}</div>
-            ) : null}
+            {tabs ? <div className="flex min-w-0 flex-1 flex-wrap items-center gap-x-2 gap-y-1">{tabs}</div> : null}
             {!searchHidden && (
               <div className={cn('flex shrink-0 items-center', !tabs && 'flex-1')}>
                 <SearchField
@@ -66,9 +64,7 @@ export function PageSearchShell({
             )}
           </div>
         )}
-        {filters ? (
-          <div className="flex flex-wrap items-center gap-x-2 gap-y-1 px-3 pb-2">{filters}</div>
-        ) : null}
+        {filters ? <div className="flex flex-wrap items-center gap-x-2 gap-y-1 px-3 pb-2">{filters}</div> : null}
       </div>
       <div className="min-h-0 flex-1 overflow-hidden bg-(--ui-chat-surface-background)">{children}</div>
     </section>
diff --git a/apps/desktop/src/app/profiles/index.tsx b/apps/desktop/src/app/profiles/index.tsx
index 46bb8721e..d4b5d9b1e 100644
--- a/apps/desktop/src/app/profiles/index.tsx
+++ b/apps/desktop/src/app/profiles/index.tsx
@@ -166,9 +166,7 @@ export function ProfilesView({ onClose }: ProfilesViewProps) {
                 profile={profile}
               />
             ))}
-            {profiles.length === 0 && (
-              <p className="px-1.5 py-3 text-xs text-muted-foreground">No profiles yet.</p>
-            )}
+            {profiles.length === 0 && <p className="px-1.5 py-3 text-xs text-muted-foreground">No profiles yet.</p>}
           </OverlaySidebar>
 
           <OverlayMain className="px-0">
diff --git a/apps/desktop/src/app/right-sidebar/terminal/index.tsx b/apps/desktop/src/app/right-sidebar/terminal/index.tsx
index 9e063ccac..e7883d8b7 100644
--- a/apps/desktop/src/app/right-sidebar/terminal/index.tsx
+++ b/apps/desktop/src/app/right-sidebar/terminal/index.tsx
@@ -31,6 +31,7 @@ export function TerminalTab({ cwd, onAddSelectionToChat }: TerminalTabProps) {
     if (takeover) {
       setRightSidebarTab('terminal')
     }
+
     setTerminalTakeover(!takeover)
   }
 
diff --git a/apps/desktop/src/app/right-sidebar/terminal/persistent.tsx b/apps/desktop/src/app/right-sidebar/terminal/persistent.tsx
index 11ba30953..5b9b151f5 100644
--- a/apps/desktop/src/app/right-sidebar/terminal/persistent.tsx
+++ b/apps/desktop/src/app/right-sidebar/terminal/persistent.tsx
@@ -1,9 +1,10 @@
 import { useStore } from '@nanostores/react'
 import { atom } from 'nanostores'
-import { useEffect, useLayoutEffect, useRef, useState, type CSSProperties } from 'react'
+import { type CSSProperties, useEffect, useLayoutEffect, useRef, useState } from 'react'
+
+import { TERMINAL_BG } from './selection'
 
 import { TerminalTab } from './index'
-import { TERMINAL_BG } from './selection'
 
 /**
  * One xterm Terminal mounted at the layout root and CSS-overlayed onto
@@ -21,11 +22,17 @@ export function TerminalSlot({ className = SLOT_CLASS }: { className?: string })
 
   useEffect(() => {
     const el = ref.current
-    if (!el) return
+
+    if (!el) {
+      return
+    }
 
     $slot.set(el)
+
     return () => {
-      if ($slot.get() === el) $slot.set(null)
+      if ($slot.get() === el) {
+        $slot.set(null)
+      }
     }
   }, [])
 
@@ -55,6 +62,7 @@ export function PersistentTerminal({ cwd, onAddSelectionToChat }: PersistentTerm
   useLayoutEffect(() => {
     if (!slot) {
       setRect(null)
+
       return
     }
 
@@ -72,13 +80,17 @@ export function PersistentTerminal({ cwd, onAddSelectionToChat }: PersistentTerm
       if (!sameRect(prev, next)) {
         prev = next
         setRect(next)
-        if (next.width > 0 && next.height > 0) setReady(true)
+
+        if (next.width > 0 && next.height > 0) {
+          setReady(true)
+        }
       }
 
       frame = requestAnimationFrame(tick)
     }
 
     tick()
+
     return () => cancelAnimationFrame(frame)
   }, [slot])
 
diff --git a/apps/desktop/src/app/right-sidebar/terminal/use-terminal-session.ts b/apps/desktop/src/app/right-sidebar/terminal/use-terminal-session.ts
index 6375f440e..7442c64ee 100644
--- a/apps/desktop/src/app/right-sidebar/terminal/use-terminal-session.ts
+++ b/apps/desktop/src/app/right-sidebar/terminal/use-terminal-session.ts
@@ -96,11 +96,18 @@ interface UseTerminalSessionOptions {
 }
 
 function transferHasDropCandidates(t: DataTransfer): boolean {
-  if (t.types?.includes(HERMES_PATHS_MIME)) return true
-  if ((t.files?.length ?? 0) > 0) return true
+  if (t.types?.includes(HERMES_PATHS_MIME)) {
+    return true
+  }
+
+  if ((t.files?.length ?? 0) > 0) {
+    return true
+  }
 
   for (let i = 0; i < (t.items?.length ?? 0); i += 1) {
-    if (t.items[i]?.kind === 'file') return true
+    if (t.items[i]?.kind === 'file') {
+      return true
+    }
   }
 
   return false
@@ -108,22 +115,38 @@ function transferHasDropCandidates(t: DataTransfer): boolean {
 
 function collectDroppedPaths(t: DataTransfer): string[] {
   const seen = new Set<string>()
+
   const push = (value: unknown) => {
-    if (typeof value !== 'string') return
+    if (typeof value !== 'string') {
+      return
+    }
+
     const path = value.trim()
-    if (path) seen.add(path)
+
+    if (path) {
+      seen.add(path)
+    }
   }
 
   try {
     const raw = t.getData(HERMES_PATHS_MIME)
-    if (raw) for (const entry of JSON.parse(raw) as { path?: unknown }[]) push(entry?.path)
+
+    if (raw) {
+      for (const entry of JSON.parse(raw) as { path?: unknown }[]) {
+        push(entry?.path)
+      }
+    }
   } catch {
     // Malformed in-app drag payload — fall through to OS files.
   }
 
   const getPath = window.hermesDesktop?.getPathForFile
+
   const addFile = (file: File | null) => {
-    if (!file || !getPath) return
+    if (!file || !getPath) {
+      return
+    }
+
     try {
       push(getPath(file))
     } catch {
@@ -131,10 +154,16 @@ function collectDroppedPaths(t: DataTransfer): string[] {
     }
   }
 
-  for (let i = 0; i < (t.files?.length ?? 0); i += 1) addFile(t.files.item(i))
+  for (let i = 0; i < (t.files?.length ?? 0); i += 1) {
+    addFile(t.files.item(i))
+  }
+
   for (let i = 0; i < (t.items?.length ?? 0); i += 1) {
     const item = t.items[i]
-    if (item?.kind === 'file') addFile(item.getAsFile())
+
+    if (item?.kind === 'file') {
+      addFile(item.getAsFile())
+    }
   }
 
   return [...seen]
@@ -142,8 +171,15 @@ function collectDroppedPaths(t: DataTransfer): string[] {
 
 function quotePathForShell(path: string, shellName: string): string {
   const shell = shellName.toLowerCase()
-  if (shell.includes('powershell') || shell.includes('pwsh')) return `'${path.replace(/'/g, "''")}'`
-  if (shell.includes('cmd')) return `"${path.replace(/"/g, '""')}"`
+
+  if (shell.includes('powershell') || shell.includes('pwsh')) {
+    return `'${path.replace(/'/g, "''")}'`
+  }
+
+  if (shell.includes('cmd')) {
+    return `"${path.replace(/"/g, '""')}"`
+  }
+
   return `'${path.replace(/'/g, "'\\''")}'`
 }
 
@@ -250,12 +286,14 @@ export function useTerminalSession({ cwd, onAddSelectionToChat }: UseTerminalSes
       webgl.onContextLoss(() => webgl.dispose())
       term.loadAddon(webgl)
     } catch (err) {
-      // eslint-disable-next-line no-console
       console.warn('[hermes-terminal] WebGL unavailable; falling back to DOM', err)
     }
 
     const onDragOver = (e: DragEvent) => {
-      if (!e.dataTransfer || !transferHasDropCandidates(e.dataTransfer)) return
+      if (!e.dataTransfer || !transferHasDropCandidates(e.dataTransfer)) {
+        return
+      }
+
       e.preventDefault()
       e.stopPropagation()
       e.dataTransfer.dropEffect = 'copy'
@@ -263,11 +301,19 @@ export function useTerminalSession({ cwd, onAddSelectionToChat }: UseTerminalSes
 
     const onDrop = (e: DragEvent) => {
       const id = sessionIdRef.current
-      if (!id || !e.dataTransfer || !transferHasDropCandidates(e.dataTransfer)) return
+
+      if (!id || !e.dataTransfer || !transferHasDropCandidates(e.dataTransfer)) {
+        return
+      }
+
       e.preventDefault()
       e.stopPropagation()
       const paths = collectDroppedPaths(e.dataTransfer)
-      if (!paths.length) return
+
+      if (!paths.length) {
+        return
+      }
+
       void terminalApi.write(id, `${paths.map(p => quotePathForShell(p, shellNameRef.current)).join(' ')} `)
       term.focus()
       triggerHaptic('selection')
@@ -305,11 +351,18 @@ export function useTerminalSession({ cwd, onAddSelectionToChat }: UseTerminalSes
     // synchronously while sibling panes are mid-transition (e.g. file browser
     // collapsing to 0px) crashes the WebGL renderer mid texture-atlas rebuild.
     let pendingFrame = 0
+
     const scheduleResize = () => {
-      if (pendingFrame) return
+      if (pendingFrame) {
+        return
+      }
+
       pendingFrame = window.requestAnimationFrame(() => {
         pendingFrame = 0
-        if (!disposed) fitAndResize()
+
+        if (!disposed) {
+          fitAndResize()
+        }
       })
     }
 
@@ -317,7 +370,10 @@ export function useTerminalSession({ cwd, onAddSelectionToChat }: UseTerminalSes
     resizeObserver.observe(host)
     cleanup.push(() => {
       resizeObserver.disconnect()
-      if (pendingFrame) window.cancelAnimationFrame(pendingFrame)
+
+      if (pendingFrame) {
+        window.cancelAnimationFrame(pendingFrame)
+      }
     })
 
     const dataDisposable = term.onData(data => {
diff --git a/apps/desktop/src/app/routes.ts b/apps/desktop/src/app/routes.ts
index fbf8df40a..2b655fccc 100644
--- a/apps/desktop/src/app/routes.ts
+++ b/apps/desktop/src/app/routes.ts
@@ -55,13 +55,7 @@ const RESERVED_PATHS: ReadonlySet<string> = new Set(APP_ROUTES.map(route => rout
 // Views that render as a full-screen modal card (OverlayView) over the shell.
 // While one is open the app's titlebar control clusters must hide so they don't
 // bleed over the overlay (they sit at a higher z-index than the overlay card).
-export const OVERLAY_VIEWS: ReadonlySet<AppView> = new Set([
-  'agents',
-  'command-center',
-  'cron',
-  'profiles',
-  'settings'
-])
+export const OVERLAY_VIEWS: ReadonlySet<AppView> = new Set(['agents', 'command-center', 'cron', 'profiles', 'settings'])
 
 export function isOverlayView(view: AppView): boolean {
   return OVERLAY_VIEWS.has(view)
diff --git a/apps/desktop/src/app/session/hooks/use-message-stream.ts b/apps/desktop/src/app/session/hooks/use-message-stream.ts
index 1763e5eb2..d7820434e 100644
--- a/apps/desktop/src/app/session/hooks/use-message-stream.ts
+++ b/apps/desktop/src/app/session/hooks/use-message-stream.ts
@@ -326,10 +326,7 @@ export function useMessageStream({
       return
     }
 
-    flushHandleRef.current = window.setTimeout(
-      runFlush,
-      Math.max(0, STREAM_DELTA_FLUSH_MS - sinceLast)
-    )
+    flushHandleRef.current = window.setTimeout(runFlush, Math.max(0, STREAM_DELTA_FLUSH_MS - sinceLast))
   }, [flushQueuedDeltas])
 
   const queueDelta = useCallback(
diff --git a/apps/desktop/src/app/session/hooks/use-prompt-actions.ts b/apps/desktop/src/app/session/hooks/use-prompt-actions.ts
index aeb8ca2db..535010f48 100644
--- a/apps/desktop/src/app/session/hooks/use-prompt-actions.ts
+++ b/apps/desktop/src/app/session/hooks/use-prompt-actions.ts
@@ -18,6 +18,7 @@ import {
   isDesktopSlashCommand
 } from '@/lib/desktop-slash-commands'
 import { triggerHaptic } from '@/lib/haptics'
+import { setMutableRef } from '@/lib/mutable-ref'
 import { isProviderSetupErrorMessage } from '@/lib/provider-setup-errors'
 import { setSessionYolo } from '@/lib/yolo-session'
 import {
@@ -246,7 +247,7 @@ export function usePromptActions({
       }
 
       const releaseBusy = () => {
-        busyRef.current = false
+        setMutableRef(busyRef, false)
         setBusy(false)
         setAwaitingResponse(false)
       }
@@ -290,7 +291,7 @@ export function usePromptActions({
         )
       }
 
-      busyRef.current = true
+      setMutableRef(busyRef, true)
       setBusy(true)
       setAwaitingResponse(true)
       clearNotifications()
@@ -594,7 +595,7 @@ export function usePromptActions({
   const cancelRun = useCallback(async () => {
     const sessionId = activeSessionId || activeSessionIdRef.current
 
-    busyRef.current = false
+    setMutableRef(busyRef, false)
     setBusy(false)
     setAwaitingResponse(false)
 
@@ -753,7 +754,7 @@ export function usePromptActions({
       const editedMessage: ChatMessage = { ...source, parts: [textPart(text)] }
 
       clearNotifications()
-      busyRef.current = true
+      setMutableRef(busyRef, true)
       setBusy(true)
       setAwaitingResponse(true)
       updateSessionState(sessionId, state => ({
@@ -791,7 +792,7 @@ export function usePromptActions({
           }
         }
 
-        busyRef.current = false
+        setMutableRef(busyRef, false)
         setBusy(false)
         setAwaitingResponse(false)
         updateSessionState(sessionId, state => ({ ...state, busy: false, awaitingResponse: false }))
diff --git a/apps/desktop/src/app/session/hooks/use-session-actions.ts b/apps/desktop/src/app/session/hooks/use-session-actions.ts
index 5abb9213c..6b4b08f94 100644
--- a/apps/desktop/src/app/session/hooks/use-session-actions.ts
+++ b/apps/desktop/src/app/session/hooks/use-session-actions.ts
@@ -36,8 +36,8 @@ import {
   setMessages,
   setSelectedStoredSessionId,
   setSessions,
-  setSessionsTotal,
   setSessionStartedAt,
+  setSessionsTotal,
   setTurnStartedAt,
   setYoloActive
 } from '@/store/session'
@@ -311,74 +311,77 @@ export function useSessionActions({
     [activeSessionIdRef, busyRef, navigate, selectedStoredSessionIdRef]
   )
 
-  const createBackendSessionForSend = useCallback(async (preview: string | null = null): Promise<string | null> => {
-    const startingActiveSessionId = activeSessionIdRef.current
-    const startingStoredSessionId = selectedStoredSessionIdRef.current
-    const startingRouteToken = getRouteToken()
+  const createBackendSessionForSend = useCallback(
+    async (preview: string | null = null): Promise<string | null> => {
+      const startingActiveSessionId = activeSessionIdRef.current
+      const startingStoredSessionId = selectedStoredSessionIdRef.current
+      const startingRouteToken = getRouteToken()
 
-    creatingSessionRef.current = true
+      creatingSessionRef.current = true
 
-    try {
-      const cwd = $currentCwd.get().trim() || getRememberedWorkspaceCwd()
-      const created = await requestGateway<SessionCreateResponse>('session.create', { cols: 96, ...(cwd && { cwd }) })
-      const stored = created.stored_session_id ?? null
+      try {
+        const cwd = $currentCwd.get().trim() || getRememberedWorkspaceCwd()
+        const created = await requestGateway<SessionCreateResponse>('session.create', { cols: 96, ...(cwd && { cwd }) })
+        const stored = created.stored_session_id ?? null
 
-      if (
-        activeSessionIdRef.current !== startingActiveSessionId ||
-        selectedStoredSessionIdRef.current !== startingStoredSessionId ||
-        getRouteToken() !== startingRouteToken
-      ) {
-        await requestGateway('session.close', { session_id: created.session_id }).catch(() => undefined)
+        if (
+          activeSessionIdRef.current !== startingActiveSessionId ||
+          selectedStoredSessionIdRef.current !== startingStoredSessionId ||
+          getRouteToken() !== startingRouteToken
+        ) {
+          await requestGateway('session.close', { session_id: created.session_id }).catch(() => undefined)
 
-        return null
+          return null
+        }
+
+        activeSessionIdRef.current = created.session_id
+        selectedStoredSessionIdRef.current = stored
+        ensureSessionState(created.session_id, stored)
+
+        if (stored) {
+          // Seed the sidebar preview with the user's first message so the row
+          // reads meaningfully while the turn is in flight, instead of flashing
+          // "Untitled session" until the turn persists and auto-title runs. The
+          // server later returns its own preview/title and supersedes this.
+          upsertOptimisticSession(created, stored, null, preview?.trim() || null)
+          navigate(sessionRoute(stored), { replace: true })
+        }
+
+        setFreshDraftReady(false)
+        setActiveSessionId(created.session_id)
+        setSelectedStoredSessionId(stored)
+        setSessionStartedAt(Date.now())
+        const yoloArmed = $yoloActive.get()
+        const runtimeInfo = applyRuntimeInfo(created.info)
+
+        if (runtimeInfo) {
+          updateSessionState(created.session_id, state => ({ ...state, ...runtimeInfo }), stored)
+        }
+
+        // User may have armed YOLO on the new-chat draft before the runtime
+        // session existed — apply it to the freshly created session.
+        if (yoloArmed) {
+          await setSessionYolo(requestGateway, created.session_id, true).catch(() => undefined)
+        }
+
+        return created.session_id
+      } finally {
+        window.setTimeout(() => {
+          creatingSessionRef.current = false
+        }, 0)
       }
-
-      activeSessionIdRef.current = created.session_id
-      selectedStoredSessionIdRef.current = stored
-      ensureSessionState(created.session_id, stored)
-
-      if (stored) {
-        // Seed the sidebar preview with the user's first message so the row
-        // reads meaningfully while the turn is in flight, instead of flashing
-        // "Untitled session" until the turn persists and auto-title runs. The
-        // server later returns its own preview/title and supersedes this.
-        upsertOptimisticSession(created, stored, null, preview?.trim() || null)
-        navigate(sessionRoute(stored), { replace: true })
-      }
-
-      setFreshDraftReady(false)
-      setActiveSessionId(created.session_id)
-      setSelectedStoredSessionId(stored)
-      setSessionStartedAt(Date.now())
-      const yoloArmed = $yoloActive.get()
-      const runtimeInfo = applyRuntimeInfo(created.info)
-
-      if (runtimeInfo) {
-        updateSessionState(created.session_id, state => ({ ...state, ...runtimeInfo }), stored)
-      }
-
-      // User may have armed YOLO on the new-chat draft before the runtime
-      // session existed — apply it to the freshly created session.
-      if (yoloArmed) {
-        await setSessionYolo(requestGateway, created.session_id, true).catch(() => undefined)
-      }
-
-      return created.session_id
-    } finally {
-      window.setTimeout(() => {
-        creatingSessionRef.current = false
-      }, 0)
-    }
-  }, [
-    activeSessionIdRef,
-    creatingSessionRef,
-    ensureSessionState,
-    getRouteToken,
-    navigate,
-    requestGateway,
-    selectedStoredSessionIdRef,
-    updateSessionState
-  ])
+    },
+    [
+      activeSessionIdRef,
+      creatingSessionRef,
+      ensureSessionState,
+      getRouteToken,
+      navigate,
+      requestGateway,
+      selectedStoredSessionIdRef,
+      updateSessionState
+    ]
+  )
 
   const selectSidebarItem = useCallback(
     (item: SidebarNavItem) => {
diff --git a/apps/desktop/src/app/session/hooks/use-session-state-cache.ts b/apps/desktop/src/app/session/hooks/use-session-state-cache.ts
index 0a6829482..8683aa4a8 100644
--- a/apps/desktop/src/app/session/hooks/use-session-state-cache.ts
+++ b/apps/desktop/src/app/session/hooks/use-session-state-cache.ts
@@ -4,6 +4,7 @@ import { type MutableRefObject, useCallback, useEffect, useRef } from 'react'
 import type { ChatMessage } from '@/lib/chat-messages'
 import { preserveLocalAssistantErrors } from '@/lib/chat-messages'
 import { createClientSessionState } from '@/lib/chat-runtime'
+import { setMutableRef } from '@/lib/mutable-ref'
 import { $busy, $messages, noteSessionActivity, setSessionAttention, setSessionWorking } from '@/store/session'
 
 import type { ClientSessionState } from '../../types'
@@ -38,7 +39,7 @@ export function useSessionStateCache({
   }, [activeSessionId])
 
   useEffect(() => {
-    busyRef.current = busy
+    setMutableRef(busyRef, busy)
   }, [busy, busyRef])
 
   useEffect(() => {
@@ -89,7 +90,7 @@ export function useSessionStateCache({
 
     setMessages(preserveLocalAssistantErrors(pending.state.messages, $messages.get()))
     setBusy(pending.state.busy)
-    busyRef.current = pending.state.busy
+    setMutableRef(busyRef, pending.state.busy)
     setAwaitingResponse(pending.state.awaitingResponse)
   }, [busyRef, setAwaitingResponse, setBusy, setMessages])
 
diff --git a/apps/desktop/src/app/settings/gateway-settings.tsx b/apps/desktop/src/app/settings/gateway-settings.tsx
index 4bd287e78..9abb1237f 100644
--- a/apps/desktop/src/app/settings/gateway-settings.tsx
+++ b/apps/desktop/src/app/settings/gateway-settings.tsx
@@ -187,6 +187,7 @@ export function GatewaySettings() {
   // While probing (or after a probe error), the scheme is unknown and we show
   // the probe status row instead of a control.
   const hasSavedRemote = state.remoteTokenSet || state.remoteOauthConnected
+
   const authResolved = useMemo(() => {
     if (probeStatus === 'done') {
       return true
diff --git a/apps/desktop/src/app/settings/model-settings.tsx b/apps/desktop/src/app/settings/model-settings.tsx
index 3865dd156..fcd745c4a 100644
--- a/apps/desktop/src/app/settings/model-settings.tsx
+++ b/apps/desktop/src/app/settings/model-settings.tsx
@@ -1,13 +1,7 @@
 import { useCallback, useEffect, useMemo, useState } from 'react'
 
 import { Button } from '@/components/ui/button'
-import {
-  Select,
-  SelectContent,
-  SelectItem,
-  SelectTrigger,
-  SelectValue
-} from '@/components/ui/select'
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/components/ui/select'
 import { getAuxiliaryModels, getGlobalModelInfo, getGlobalModelOptions, setModelAssignment } from '@/hermes'
 import type { AuxiliaryModelsResponse, ModelOptionProvider } from '@/hermes'
 import { Cpu, Loader2 } from '@/lib/icons'
@@ -231,7 +225,11 @@ export function ModelSettings({ onMainModelChanged }: ModelSettingsProps) {
               ))}
             </SelectContent>
           </Select>
-          <Button disabled={!selectedProvider || !selectedModel || applying} onClick={() => void applyMainModel()} size="sm">
+          <Button
+            disabled={!selectedProvider || !selectedModel || applying}
+            onClick={() => void applyMainModel()}
+            size="sm"
+          >
             {applying && <Loader2 className="size-3.5 animate-spin" />}
             {applying ? 'Applying...' : 'Apply'}
           </Button>
@@ -332,7 +330,9 @@ export function ModelSettings({ onMainModelChanged }: ModelSettingsProps) {
                 }
                 description={
                   <span className="font-mono text-[0.68rem]">
-                    {isAuto ? 'auto · use main model' : `${current.provider} · ${current.model || '(provider default)'}`}
+                    {isAuto
+                      ? 'auto · use main model'
+                      : `${current.provider} · ${current.model || '(provider default)'}`}
                   </span>
                 }
                 key={meta.key}
diff --git a/apps/desktop/src/app/settings/providers-settings.tsx b/apps/desktop/src/app/settings/providers-settings.tsx
index 74c91de2f..a29f5440a 100644
--- a/apps/desktop/src/app/settings/providers-settings.tsx
+++ b/apps/desktop/src/app/settings/providers-settings.tsx
@@ -29,7 +29,11 @@ export type ProviderView = (typeof PROVIDER_VIEWS)[number]
 const isKeyVar = (key: string, info: EnvVarInfo) => info.is_password || /(?:_API_KEY|_TOKEN|_KEY)$/.test(key)
 
 const friendlyFieldLabel = (key: string, info: EnvVarInfo) =>
-  info.description?.trim() || key.replace(/_/g, ' ').toLowerCase().replace(/\b\w/g, c => c.toUpperCase())
+  info.description?.trim() ||
+  key
+    .replace(/_/g, ' ')
+    .toLowerCase()
+    .replace(/\b\w/g, c => c.toUpperCase())
 
 // Advanced (non-primary) fields are mostly base-URL / endpoint overrides, not
 // keys — so don't reuse the "Paste key" placeholder that makes them read as a
@@ -196,9 +200,7 @@ function KeyField({
   return (
     <div className="grid gap-1.5">
       {label && (
-        <label className="text-[length:var(--conversation-caption-font-size)] text-(--ui-text-tertiary)">
-          {label}
-        </label>
+        <label className="text-[length:var(--conversation-caption-font-size)] text-(--ui-text-tertiary)">{label}</label>
       )}
       {dim ? (
         <div className="opacity-55 transition-opacity focus-within:opacity-100 hover:opacity-100">{control}</div>
@@ -251,7 +253,10 @@ function ProviderKeyCard({
       <div className="flex flex-wrap items-start gap-x-4 gap-y-2">
         <div className="flex min-w-44 flex-1 items-center gap-2 py-1">
           <span
-            className={cn('size-2 shrink-0 rounded-full', group.hasAnySet ? 'bg-primary' : 'bg-(--ui-stroke-secondary)')}
+            className={cn(
+              'size-2 shrink-0 rounded-full',
+              group.hasAnySet ? 'bg-primary' : 'bg-(--ui-stroke-secondary)'
+            )}
           />
           <span className="truncate text-[length:var(--conversation-text-font-size)] font-medium">{group.name}</span>
           {expandable && (
diff --git a/apps/desktop/src/app/settings/sessions-settings.tsx b/apps/desktop/src/app/settings/sessions-settings.tsx
index caf7647ac..ff3b64380 100644
--- a/apps/desktop/src/app/settings/sessions-settings.tsx
+++ b/apps/desktop/src/app/settings/sessions-settings.tsx
@@ -251,13 +251,7 @@ function DefaultProjectDirSetting() {
       <ListRow
         action={
           <div className="flex items-center gap-3">
-            <Button
-              disabled={busy}
-              onClick={() => void choose()}
-              size="sm"
-              type="button"
-              variant="textStrong"
-            >
+            <Button disabled={busy} onClick={() => void choose()} size="sm" type="button" variant="textStrong">
               <FolderOpen className="size-3.5" />
               <span>{dir ? 'Change' : 'Choose'}</span>
             </Button>
diff --git a/apps/desktop/src/app/settings/toolset-config-panel.tsx b/apps/desktop/src/app/settings/toolset-config-panel.tsx
index ece09e53e..7ec34e5de 100644
--- a/apps/desktop/src/app/settings/toolset-config-panel.tsx
+++ b/apps/desktop/src/app/settings/toolset-config-panel.tsx
@@ -126,7 +126,13 @@ function EnvVarField({ envVar, isSet, onSaved, onCleared }: EnvVarFieldProps) {
             {isSet ? 'Replace' : 'Set'}
           </Button>
           {isSet && (
-            <Button disabled={busy} onClick={() => void handleClear()} size="icon-xs" title="Clear value" variant="ghost">
+            <Button
+              disabled={busy}
+              onClick={() => void handleClear()}
+              size="icon-xs"
+              title="Clear value"
+              variant="ghost"
+            >
               <Trash2 />
             </Button>
           )}
@@ -134,7 +140,9 @@ function EnvVarField({ envVar, isSet, onSaved, onCleared }: EnvVarFieldProps) {
       </div>
 
       {isSet && revealed !== null && (
-        <div className="rounded-md bg-background px-2.5 py-1.5 font-mono text-xs text-foreground">{revealed || '---'}</div>
+        <div className="rounded-md bg-background px-2.5 py-1.5 font-mono text-xs text-foreground">
+          {revealed || '---'}
+        </div>
       )}
 
       {editing && (
diff --git a/apps/desktop/src/app/shell/hooks/use-statusbar-items.tsx b/apps/desktop/src/app/shell/hooks/use-statusbar-items.tsx
index 87d16dad4..a1331bd51 100644
--- a/apps/desktop/src/app/shell/hooks/use-statusbar-items.tsx
+++ b/apps/desktop/src/app/shell/hooks/use-statusbar-items.tsx
@@ -4,7 +4,18 @@ import { useCallback, useMemo } from 'react'
 
 import type { CommandCenterSection } from '@/app/command-center'
 import { GatewayMenuPanel } from '@/app/shell/gateway-menu-panel'
-import { Activity, AlertCircle, ChevronDown, Clock, Command, Hash, Loader2, Sparkles, Zap, ZapFilled } from '@/lib/icons'
+import {
+  Activity,
+  AlertCircle,
+  ChevronDown,
+  Clock,
+  Command,
+  Hash,
+  Loader2,
+  Sparkles,
+  Zap,
+  ZapFilled
+} from '@/lib/icons'
 import { formatModelStatusLabel } from '@/lib/model-status-label'
 import type { RuntimeReadinessResult } from '@/lib/runtime-readiness'
 import { contextBarLabel, LiveDuration, usageContextLabel } from '@/lib/statusbar'
@@ -311,7 +322,11 @@ export function useStatusbarItems({
       {
         className: cn('px-1', yoloActive && 'bg-(--chrome-action-hover)'),
         hidden: !showYoloToggle,
-        icon: yoloActive ? <ZapFilled className="size-3.5 shrink-0" /> : <Zap className="size-3.5 shrink-0 opacity-70" />,
+        icon: yoloActive ? (
+          <ZapFilled className="size-3.5 shrink-0" />
+        ) : (
+          <Zap className="size-3.5 shrink-0 opacity-70" />
+        ),
         id: 'yolo',
         onSelect: () => void toggleYolo(),
         title: yoloActive
diff --git a/apps/desktop/src/app/shell/model-edit-submenu.tsx b/apps/desktop/src/app/shell/model-edit-submenu.tsx
index 1ccaa2039..610d23f9d 100644
--- a/apps/desktop/src/app/shell/model-edit-submenu.tsx
+++ b/apps/desktop/src/app/shell/model-edit-submenu.tsx
@@ -55,9 +55,7 @@ export function resolveFastControl(
 
     // Only a toggle if there's a base to switch back to; otherwise it's a
     // standalone fast model with no "off" state.
-    return providerModels.includes(baseId)
-      ? { kind: 'variant', baseId, fastId: model, on: true }
-      : { kind: 'none' }
+    return providerModels.includes(baseId) ? { kind: 'variant', baseId, fastId: model, on: true } : { kind: 'none' }
   }
 
   const fastId = `${model}-fast`
@@ -182,24 +180,20 @@ export function ModelEditSubmenu({
         <>
           <DropdownMenuLabel className={dropdownMenuSectionLabel}>Options</DropdownMenuLabel>
           {reasoning ? (
-            <DropdownMenuItem
-              className={dropdownMenuRow}
-              onSelect={event => event.preventDefault()}
-            >
+            <DropdownMenuItem className={dropdownMenuRow} onSelect={event => event.preventDefault()}>
               Thinking
               <Switch
                 checked={thinkingOn}
                 className="ml-auto"
-                onCheckedChange={checked => void patchReasoning(checked ? effort || 'medium' : 'none', currentReasoningEffort)}
+                onCheckedChange={checked =>
+                  void patchReasoning(checked ? effort || 'medium' : 'none', currentReasoningEffort)
+                }
                 size="xs"
               />
             </DropdownMenuItem>
           ) : null}
           {hasFast ? (
-            <DropdownMenuItem
-              className={dropdownMenuRow}
-              onSelect={event => event.preventDefault()}
-            >
+            <DropdownMenuItem className={dropdownMenuRow} onSelect={event => event.preventDefault()}>
               Fast
               <Switch checked={fastOn} className="ml-auto" onCheckedChange={toggleFast} size="xs" />
             </DropdownMenuItem>
diff --git a/apps/desktop/src/app/shell/model-menu-panel.tsx b/apps/desktop/src/app/shell/model-menu-panel.tsx
index be3b26f14..d22869487 100644
--- a/apps/desktop/src/app/shell/model-menu-panel.tsx
+++ b/apps/desktop/src/app/shell/model-menu-panel.tsx
@@ -157,7 +157,10 @@ export function ModelMenuPanel({ gateway, onSelectModel, requestGateway }: Model
                 // Grayed text: active row shows live state (Fast + effort);
                 // others show a fast-capability hint.
                 const meta = isCurrent
-                  ? [fastControl.kind !== 'none' && fastControl.on ? 'Fast' : null, reasoningEffortLabel(currentReasoningEffort) || 'Med']
+                  ? [
+                      fastControl.kind !== 'none' && fastControl.on ? 'Fast' : null,
+                      reasoningEffortLabel(currentReasoningEffort) || 'Med'
+                    ]
                       .filter(Boolean)
                       .join(' ')
                   : caps?.fast || family.fastId
diff --git a/apps/desktop/src/app/shell/titlebar.ts b/apps/desktop/src/app/shell/titlebar.ts
index c5002eafe..1e56a5f9c 100644
--- a/apps/desktop/src/app/shell/titlebar.ts
+++ b/apps/desktop/src/app/shell/titlebar.ts
@@ -15,7 +15,8 @@ export const TITLEBAR_EDGE_INSET = 14
 // Titlebar palette only. All sizing/radius/cursor/centering come from the
 // shared <Button size="icon-titlebar"> (used polymorphically via asChild) —
 // Button is the single source of button styling.
-export const titlebarButtonClass = 'text-muted-foreground/85 hover:bg-(--ui-control-hover-background) hover:text-foreground'
+export const titlebarButtonClass =
+  'text-muted-foreground/85 hover:bg-(--ui-control-hover-background) hover:text-foreground'
 
 export const titlebarHeaderBaseClass =
   'pointer-events-none relative z-3 flex h-(--titlebar-height) shrink-0 items-center justify-start gap-3 border-b border-(--ui-stroke-tertiary) bg-(--ui-chat-surface-background) px-[max(0.75rem,var(--titlebar-content-inset,0rem))]'
diff --git a/apps/desktop/src/app/skills/index.tsx b/apps/desktop/src/app/skills/index.tsx
index 05a8bdca1..74cbc53d7 100644
--- a/apps/desktop/src/app/skills/index.tsx
+++ b/apps/desktop/src/app/skills/index.tsx
@@ -160,8 +160,9 @@ export function SkillsView({ setStatusbarItemGroup: _setStatusbarItemGroup, ...p
 
     try {
       await toggleToolset(toolset.name, enabled)
-      setToolsets(current =>
-        current?.map(row => (row.name === toolset.name ? { ...row, enabled, available: enabled } : row)) ?? current
+      setToolsets(
+        current =>
+          current?.map(row => (row.name === toolset.name ? { ...row, enabled, available: enabled } : row)) ?? current
       )
       notify({
         kind: 'success',
@@ -275,7 +276,9 @@ export function SkillsView({ setStatusbarItemGroup: _setStatusbarItemGroup, ...p
                             aria-expanded={expanded}
                             aria-label={`Configure ${label}`}
                             className="rounded-full outline-none focus-visible:ring-2 focus-visible:ring-ring/50"
-                            onClick={() => setExpandedToolset(current => (current === toolset.name ? null : toolset.name))}
+                            onClick={() =>
+                              setExpandedToolset(current => (current === toolset.name ? null : toolset.name))
+                            }
                             type="button"
                           >
                             <StatusPill active={toolset.configured}>
@@ -321,7 +324,9 @@ export function SkillsView({ setStatusbarItemGroup: _setStatusbarItemGroup, ...p
 function StatusPill({ active, children }: { active: boolean; children: string }) {
   return (
     <Badge
-      className={active ? 'bg-(--ui-bg-tertiary) text-(--ui-text-secondary)' : 'bg-(--ui-bg-quinary) text-(--ui-text-tertiary)'}
+      className={
+        active ? 'bg-(--ui-bg-tertiary) text-(--ui-text-secondary)' : 'bg-(--ui-bg-quinary) text-(--ui-text-tertiary)'
+      }
     >
       {children}
     </Badge>
diff --git a/apps/desktop/src/app/updates-overlay.tsx b/apps/desktop/src/app/updates-overlay.tsx
index 1bbd41304..014214b9e 100644
--- a/apps/desktop/src/app/updates-overlay.tsx
+++ b/apps/desktop/src/app/updates-overlay.tsx
@@ -199,9 +199,7 @@ function IdleView({
       <div className="grid gap-3 rounded-xl border border-border/70 bg-muted/20 px-4 py-3">
         {groups.map(group => (
           <div key={group.id}>
-            <p className="text-[0.625rem] font-semibold uppercase tracking-wide text-muted-foreground">
-              {group.label}
-            </p>
+            <p className="text-[0.625rem] font-semibold uppercase tracking-wide text-muted-foreground">{group.label}</p>
             <ul className="mt-1.5 grid gap-1.5 text-xs text-foreground">
               {group.items.map(item => (
                 <li className="flex items-start gap-2" key={item}>
@@ -339,7 +337,9 @@ function ErrorView({ message, onDismiss, onRetry }: { message: string; onDismiss
           {message || 'No worries — nothing was lost. You can try again now.'}
         </DialogDescription>
       }
-      title={<DialogTitle className="text-center text-xl font-semibold tracking-tight">Update didn’t finish</DialogTitle>}
+      title={
+        <DialogTitle className="text-center text-xl font-semibold tracking-tight">Update didn’t finish</DialogTitle>
+      }
     >
       <Button className="font-semibold" onClick={onRetry} size="lg">
         Try again
diff --git a/apps/desktop/src/components/assistant-ui/thread-virtualizer.tsx b/apps/desktop/src/components/assistant-ui/thread-virtualizer.tsx
index 1a22dac9e..7922c3870 100644
--- a/apps/desktop/src/components/assistant-ui/thread-virtualizer.tsx
+++ b/apps/desktop/src/components/assistant-ui/thread-virtualizer.tsx
@@ -1,7 +1,18 @@
 import { ThreadPrimitive, useAuiEvent, useAuiState } from '@assistant-ui/react'
 import { useVirtualizer, type Virtualizer } from '@tanstack/react-virtual'
-import { type ComponentProps, type FC, memo, type ReactNode, useCallback, useEffect, useLayoutEffect, useMemo, useRef } from 'react'
+import {
+  type ComponentProps,
+  type FC,
+  memo,
+  type ReactNode,
+  useCallback,
+  useEffect,
+  useLayoutEffect,
+  useMemo,
+  useRef
+} from 'react'
 
+import { setMutableRef } from '@/lib/mutable-ref'
 import { cn } from '@/lib/utils'
 import { setThreadScrolledUp } from '@/store/thread-scroll'
 
@@ -66,6 +77,7 @@ const VirtualizedThreadInner: FC<VirtualizedThreadProps> = ({
   const messageSignature = useAuiState(s =>
     s.thread.messages.map((message, index) => `${index}:${message.id}:${message.role}`).join('\n')
   )
+
   const isRunning = useAuiState(s => s.thread.isRunning)
 
   const groups = useMemo(() => buildGroups(messageSignature), [messageSignature])
@@ -93,6 +105,7 @@ const VirtualizedThreadInner: FC<VirtualizedThreadProps> = ({
     // then jumps back up).
     scrollToFn: (offset, _options, instance) => {
       const el = instance.scrollElement
+
       if (!el) {
         return
       }
@@ -202,6 +215,10 @@ const VirtualizedThreadInner: FC<VirtualizedThreadProps> = ({
 
 export const VirtualizedThread = memo(VirtualizedThreadInner)
 
+function scrollElementToBottom(el: HTMLDivElement) {
+  el.scrollTop = el.scrollHeight
+}
+
 interface ScrollAnchorOptions {
   enabled: boolean
   groupCount: number
@@ -250,14 +267,14 @@ function useThreadScrollAnchor({
 
     // Hold the disarm gate across the scroll event the next line will fire.
     programmaticScrollPendingRef.current += 1
-    el.scrollTop = el.scrollHeight
+    scrollElementToBottom(el)
     lastTopRef.current = el.scrollTop
     lastHeightRef.current = el.scrollHeight
     lastClientHeightRef.current = el.clientHeight
   }, [scrollerRef])
 
   const jumpToBottom = useCallback(() => {
-    stickyBottomRef.current = true
+    setMutableRef(stickyBottomRef, true)
 
     if (groupCount > 0) {
       virtualizer.scrollToIndex(groupCount - 1, { align: 'end', behavior: 'auto' })
@@ -282,7 +299,7 @@ function useThreadScrollAnchor({
     }
 
     const disarm = () => {
-      stickyBottomRef.current = false
+      setMutableRef(stickyBottomRef, false)
       programmaticScrollPendingRef.current = 0
     }
 
@@ -302,7 +319,7 @@ function useThreadScrollAnchor({
         lastHeightRef.current = el.scrollHeight
         lastClientHeightRef.current = el.clientHeight
         // Always re-arm — sticky-bottom should hold through clamp races.
-        stickyBottomRef.current = true
+        setMutableRef(stickyBottomRef, true)
         const atBottom = el.scrollHeight - (top + el.clientHeight) <= AT_BOTTOM_THRESHOLD
         setThreadScrolledUp(!atBottom)
 
@@ -317,8 +334,9 @@ function useThreadScrollAnchor({
       // their own listeners below, so real user intent remains covered.
       const heightGrew = el.scrollHeight > lastHeightRef.current
       const clientHeightChanged = Math.abs(el.clientHeight - lastClientHeightRef.current) > 1
+
       if (!heightGrew && !clientHeightChanged && top + 1 < lastTopRef.current) {
-        stickyBottomRef.current = false
+        setMutableRef(stickyBottomRef, false)
       }
 
       lastTopRef.current = top
@@ -328,7 +346,7 @@ function useThreadScrollAnchor({
       const atBottom = el.scrollHeight - (top + el.clientHeight) <= AT_BOTTOM_THRESHOLD
 
       if (atBottom) {
-        stickyBottomRef.current = true
+        setMutableRef(stickyBottomRef, true)
       }
 
       setThreadScrolledUp(!atBottom)
@@ -369,13 +387,16 @@ function useThreadScrollAnchor({
     }
 
     let pinRafScheduled = false
+
     const schedulePin = () => {
       if (pinRafScheduled || !stickyBottomRef.current) {
         return
       }
+
       pinRafScheduled = true
       requestAnimationFrame(() => {
         pinRafScheduled = false
+
         if (stickyBottomRef.current) {
           pinToBottom()
         }
@@ -429,6 +450,7 @@ function useThreadScrollAnchor({
     if (!enabled) {
       return
     }
+
     if (groupCount > prevGroupCountForLayoutRef.current && stickyBottomRef.current) {
       // Defer to rAF so that browser scroll/wheel events from the current
       // frame are processed first.  Without this deferral, a trackpad
@@ -442,6 +464,7 @@ function useThreadScrollAnchor({
         }
       })
     }
+
     prevGroupCountForLayoutRef.current = groupCount
   }, [enabled, groupCount, pinToBottom, stickyBottomRef])
 
diff --git a/apps/desktop/src/components/assistant-ui/tool-approval.tsx b/apps/desktop/src/components/assistant-ui/tool-approval.tsx
index 6940b7a10..999a994e9 100644
--- a/apps/desktop/src/components/assistant-ui/tool-approval.tsx
+++ b/apps/desktop/src/components/assistant-ui/tool-approval.tsx
@@ -12,12 +12,7 @@ import {
   DialogHeader,
   DialogTitle
 } from '@/components/ui/dialog'
-import {
-  DropdownMenu,
-  DropdownMenuContent,
-  DropdownMenuItem,
-  DropdownMenuTrigger
-} from '@/components/ui/dropdown-menu'
+import { DropdownMenu, DropdownMenuContent, DropdownMenuItem, DropdownMenuTrigger } from '@/components/ui/dropdown-menu'
 import { triggerHaptic } from '@/lib/haptics'
 import { ChevronDown, Loader2 } from '@/lib/icons'
 import { $gateway } from '@/store/gateway'
diff --git a/apps/desktop/src/components/chat/disclosure-row.tsx b/apps/desktop/src/components/chat/disclosure-row.tsx
index 75fab9a07..e0555fceb 100644
--- a/apps/desktop/src/components/chat/disclosure-row.tsx
+++ b/apps/desktop/src/components/chat/disclosure-row.tsx
@@ -33,9 +33,7 @@ export function DisclosureRow({
           // max-w-fit so the click target hugs the title text width — no
           // background fill, just the cursor + the affordance caret.
           'flex min-w-0 max-w-fit items-start gap-1.5 text-left transition-colors',
-          onToggle
-            ? 'hover:text-foreground focus-visible:text-foreground focus-visible:outline-none'
-            : 'cursor-default'
+          onToggle ? 'hover:text-foreground focus-visible:text-foreground focus-visible:outline-none' : 'cursor-default'
         )}
         disabled={!onToggle}
         onClick={onToggle}
diff --git a/apps/desktop/src/components/desktop-install-overlay.tsx b/apps/desktop/src/components/desktop-install-overlay.tsx
index c2c2c9646..66e086fb1 100644
--- a/apps/desktop/src/components/desktop-install-overlay.tsx
+++ b/apps/desktop/src/components/desktop-install-overlay.tsx
@@ -1,8 +1,6 @@
 import { useEffect, useMemo, useRef, useState } from 'react'
 
 import { Button } from '@/components/ui/button'
-import { AlertTriangle, Check, ChevronDown, ChevronRight, Loader2 } from '@/lib/icons'
-import { cn } from '@/lib/utils'
 import type {
   DesktopBootstrapEvent,
   DesktopBootstrapStageDescriptor,
@@ -10,6 +8,8 @@ import type {
   DesktopBootstrapStageState,
   DesktopBootstrapState
 } from '@/global'
+import { AlertTriangle, Check, ChevronDown, ChevronRight, Loader2 } from '@/lib/icons'
+import { cn } from '@/lib/utils'
 
 /**
  * DesktopInstallOverlay
@@ -59,7 +59,10 @@ const STATE_LABEL: Record<DesktopBootstrapStageState, string> = {
 
 function formatStageName(name: string): string {
   // 'system-packages' -> 'System packages'; 'uv' stays 'uv'
-  if (name.length <= 3) return name
+  if (name.length <= 3) {
+    return name
+  }
+
   return name
     .split('-')
     .map((word, i) => (i === 0 ? word.charAt(0).toUpperCase() + word.slice(1) : word))
@@ -67,38 +70,61 @@ function formatStageName(name: string): string {
 }
 
 function formatDuration(ms: number | null | undefined): string {
-  if (typeof ms !== 'number' || !Number.isFinite(ms)) return ''
-  if (ms < 1000) return `${ms} ms`
+  if (typeof ms !== 'number' || !Number.isFinite(ms)) {
+    return ''
+  }
+
+  if (ms < 1000) {
+    return `${ms} ms`
+  }
+
   const s = ms / 1000
-  if (s < 60) return `${s.toFixed(1)}s`
+
+  if (s < 60) {
+    return `${s.toFixed(1)}s`
+  }
+
   const m = Math.floor(s / 60)
   const rs = Math.round(s - m * 60)
+
   return `${m}m ${rs}s`
 }
 
 // Live elapsed for a running stage, as m:ss (or s for sub-minute).
 function formatElapsed(ms: number): string {
   const s = Math.max(0, Math.floor(ms / 1000))
-  if (s < 60) return `${s}s`
+
+  if (s < 60) {
+    return `${s}s`
+  }
+
   const m = Math.floor(s / 60)
+
   return `${m}:${String(s - m * 60).padStart(2, '0')}`
 }
 
 function StageRow({ descriptor, result, isCurrent, now }: StageRowProps) {
   const state: DesktopBootstrapStageState = result?.state || 'pending'
+
   const elapsed =
     state === 'running' && typeof result?.startedAt === 'number' ? formatElapsed(now - result.startedAt) : ''
+
   const icon = useMemo(() => {
     switch (state) {
       case 'running':
         return <Loader2 className="h-4 w-4 animate-spin text-primary" />
+
       case 'succeeded':
         return <Check className="h-4 w-4 text-emerald-600" />
+
       case 'skipped':
         return <Check className="h-4 w-4 text-muted-foreground" />
+
       case 'failed':
         return <AlertTriangle className="h-4 w-4 text-destructive" />
+
       case 'pending':
+
       default:
         return <div className="h-2 w-2 rounded-full border border-muted-foreground/40" />
     }
@@ -146,9 +172,11 @@ const EMPTY_STATE: DesktopBootstrapState = {
 function applyEvent(state: DesktopBootstrapState, ev: DesktopBootstrapEvent): DesktopBootstrapState {
   if (ev.type === 'manifest') {
     const stages: Record<string, DesktopBootstrapStageResult> = {}
+
     for (const stage of ev.stages) {
       stages[stage.name] = { state: 'pending', durationMs: null, startedAt: null, json: null, error: null }
     }
+
     return {
       ...state,
       active: true,
@@ -158,8 +186,10 @@ function applyEvent(state: DesktopBootstrapState, ev: DesktopBootstrapEvent): De
       startedAt: state.startedAt || Date.now()
     }
   }
+
   if (ev.type === 'stage') {
     const prev = state.stages[ev.name]
+
     return {
       ...state,
       stages: {
@@ -176,17 +206,25 @@ function applyEvent(state: DesktopBootstrapState, ev: DesktopBootstrapEvent): De
       }
     }
   }
+
   if (ev.type === 'log') {
     const next = state.log.concat({ ts: Date.now(), stage: ev.stage ?? null, line: ev.line, stream: ev.stream })
-    while (next.length > 500) next.shift()
+
+    while (next.length > 500) {
+      next.shift()
+    }
+
     return { ...state, log: next }
   }
+
   if (ev.type === 'complete') {
     return { ...state, active: false, completedAt: Date.now(), error: null }
   }
+
   if (ev.type === 'failed') {
     return { ...state, active: false, error: ev.error || 'unknown error' }
   }
+
   if (ev.type === 'unsupported-platform') {
     return {
       ...state,
@@ -199,6 +237,7 @@ function applyEvent(state: DesktopBootstrapState, ev: DesktopBootstrapEvent): De
       }
     }
   }
+
   return state
 }
 
@@ -213,23 +252,35 @@ export function DesktopInstallOverlay({ enabled = true }: DesktopInstallOverlayP
   // Tick once a second while a bootstrap is in flight so running steps show a
   // live elapsed timer. Stops when nothing is active to avoid idle renders.
   useEffect(() => {
-    if (!state.active) return
+    if (!state.active) {
+      return
+    }
+
     const id = window.setInterval(() => setNow(Date.now()), 1000)
+
     return () => window.clearInterval(id)
   }, [state.active])
 
   // Subscribe to bootstrap events + load initial snapshot
   useEffect(() => {
-    if (!enabled) return
+    if (!enabled) {
+      return
+    }
+
     const desktop = window.hermesDesktop
-    if (!desktop || typeof desktop.onBootstrapEvent !== 'function') return
+
+    if (!desktop || typeof desktop.onBootstrapEvent !== 'function') {
+      return
+    }
 
     let cancelled = false
 
     desktop
       .getBootstrapState()
       .then(snapshot => {
-        if (!cancelled && snapshot) setState(snapshot)
+        if (!cancelled && snapshot) {
+          setState(snapshot)
+        }
       })
       .catch(() => {
         // Older Electron build without the IPC handler -- bootstrap UI just
@@ -237,6 +288,7 @@ export function DesktopInstallOverlay({ enabled = true }: DesktopInstallOverlayP
       })
 
     const off = desktop.onBootstrapEvent(ev => setState(prev => applyEvent(prev, ev)))
+
     return () => {
       cancelled = true
       off?.()
@@ -255,21 +307,37 @@ export function DesktopInstallOverlay({ enabled = true }: DesktopInstallOverlayP
   // the top-level error message and the user has to click "Show installer
   // output" to see WHY the stage failed.
   useEffect(() => {
-    if (state.error) setLogOpen(true)
+    if (state.error) {
+      setLogOpen(true)
+    }
   }, [state.error])
 
   // Mount logic: show whenever a bootstrap is in flight, completed-with-error,
   // or actively running with a manifest. Hide entirely after a successful
   // completion so the rest of the UI can take over.
   const shouldShow = useMemo(() => {
-    if (!enabled) return false
-    if (state.active) return true
-    if (state.error) return true
-    if (state.unsupportedPlatform) return true
+    if (!enabled) {
+      return false
+    }
+
+    if (state.active) {
+      return true
+    }
+
+    if (state.error) {
+      return true
+    }
+
+    if (state.unsupportedPlatform) {
+      return true
+    }
+
     return false
   }, [enabled, state.active, state.error, state.unsupportedPlatform])
 
-  if (!shouldShow) return null
+  if (!shouldShow) {
+    return null
+  }
 
   // Unsupported-platform branch: macOS/Linux packaged builds hit this when
   // there's no Hermes Agent installed yet and we can't drive install.sh
@@ -278,6 +346,7 @@ export function DesktopInstallOverlay({ enabled = true }: DesktopInstallOverlayP
   if (state.unsupportedPlatform) {
     const ups = state.unsupportedPlatform
     const platformLabel = ups.platform === 'darwin' ? 'macOS' : ups.platform === 'linux' ? 'Linux' : ups.platform
+
     return (
       <div className="fixed inset-0 z-[1400] flex items-center justify-center bg-background/90 backdrop-blur-md">
         <div className="w-full max-w-xl rounded-xl border bg-card p-8 shadow-xl">
@@ -294,20 +363,20 @@ export function DesktopInstallOverlay({ enabled = true }: DesktopInstallOverlayP
             </pre>
             <div className="mt-2 flex items-center gap-2">
               <Button
-                variant="secondary"
-                size="sm"
                 onClick={() => {
                   void navigator.clipboard?.writeText(ups.installCommand).catch(() => {})
                 }}
+                size="sm"
+                variant="secondary"
               >
                 Copy command
               </Button>
               <Button
-                variant="ghost"
-                size="sm"
                 onClick={() => {
                   window.hermesDesktop?.openExternal?.(ups.docsUrl)
                 }}
+                size="sm"
+                variant="ghost"
               >
                 View install docs
               </Button>
@@ -318,7 +387,7 @@ export function DesktopInstallOverlay({ enabled = true }: DesktopInstallOverlayP
             <span className="text-xs text-muted-foreground">
               Will install to <code className="rounded bg-muted/50 px-1 py-0.5 font-mono">{ups.activeRoot}</code>
             </span>
-            <Button variant="default" size="sm" onClick={() => window.location.reload()}>
+            <Button onClick={() => window.location.reload()} size="sm" variant="default">
               I{'\u2019'}ve run it -- retry
             </Button>
           </div>
@@ -329,9 +398,11 @@ export function DesktopInstallOverlay({ enabled = true }: DesktopInstallOverlayP
 
   const stages = state.manifest?.stages || []
   const currentStage = stages.find(s => state.stages[s.name]?.state === 'running')?.name
+
   const completedCount = stages.filter(
     s => state.stages[s.name]?.state === 'succeeded' || state.stages[s.name]?.state === 'skipped'
   ).length
+
   const totalCount = stages.length
   const failed = Boolean(state.error)
   const progressPct = totalCount > 0 ? Math.round((completedCount / totalCount) * 100) : 0
@@ -396,11 +467,11 @@ export function DesktopInstallOverlay({ enabled = true }: DesktopInstallOverlayP
             <ol className="mb-4 space-y-1">
               {stages.map(stage => (
                 <StageRow
-                  key={stage.name}
                   descriptor={stage}
-                  result={state.stages[stage.name]}
                   isCurrent={stage.name === currentStage}
+                  key={stage.name}
                   now={now}
+                  result={state.stages[stage.name]}
                 />
               ))}
             </ol>
@@ -408,9 +479,9 @@ export function DesktopInstallOverlay({ enabled = true }: DesktopInstallOverlayP
 
           <div className="border-t pt-3">
             <button
-              type="button"
-              onClick={() => setLogOpen(v => !v)}
               className="flex items-center gap-1.5 text-xs text-muted-foreground transition-colors hover:text-foreground"
+              onClick={() => setLogOpen(v => !v)}
+              type="button"
             >
               {logOpen ? <ChevronDown className="h-3.5 w-3.5" /> : <ChevronRight className="h-3.5 w-3.5" />}
               <span>{logOpen ? 'Hide installer output' : 'Show installer output'}</span>
@@ -432,8 +503,11 @@ export function DesktopInstallOverlay({ enabled = true }: DesktopInstallOverlayP
                   <>
                     {state.log.map((entry, i) => (
                       <div
+                        className={cn(
+                          'whitespace-pre-wrap break-words',
+                          entry.stream === 'stderr' && 'text-muted-foreground'
+                        )}
                         key={i}
-                        className={cn('whitespace-pre-wrap break-words', entry.stream === 'stderr' && 'text-muted-foreground')}
                       >
                         {entry.stage ? <span className="text-muted-foreground/70">[{entry.stage}] </span> : null}
                         <span>{entry.line}</span>
@@ -482,13 +556,13 @@ export function DesktopInstallOverlay({ enabled = true }: DesktopInstallOverlayP
               </span>
               <div className="flex gap-2">
                 <Button
-                  variant="secondary"
-                  size="sm"
                   onClick={async () => {
                     const text = state.log
                       .map(entry => (entry.stage ? `[${entry.stage}] ${entry.line}` : entry.line))
                       .join('\n')
+
                     const fullText = state.error ? `Error: ${state.error}\n\n${text}` : text
+
                     try {
                       await navigator.clipboard.writeText(fullText)
                       setCopied(true)
@@ -497,12 +571,12 @@ export function DesktopInstallOverlay({ enabled = true }: DesktopInstallOverlayP
                       // ignore -- some environments forbid clipboard writes
                     }
                   }}
+                  size="sm"
+                  variant="secondary"
                 >
                   {copied ? 'Copied!' : 'Copy output'}
                 </Button>
                 <Button
-                  variant="default"
-                  size="sm"
                   onClick={async () => {
                     // Tell main.cjs to clear its latched failure BEFORE we
                     // reload. Otherwise the renderer reload calls getConnection
@@ -513,8 +587,11 @@ export function DesktopInstallOverlay({ enabled = true }: DesktopInstallOverlayP
                     } catch {
                       // best-effort -- continue with reload regardless
                     }
+
                     window.location.reload()
                   }}
+                  size="sm"
+                  variant="default"
                 >
                   Reload and retry
                 </Button>
diff --git a/apps/desktop/src/components/desktop-onboarding-overlay.test.tsx b/apps/desktop/src/components/desktop-onboarding-overlay.test.tsx
index 1e31fbd3d..25d456326 100644
--- a/apps/desktop/src/components/desktop-onboarding-overlay.test.tsx
+++ b/apps/desktop/src/components/desktop-onboarding-overlay.test.tsx
@@ -1,9 +1,8 @@
 import { cleanup, fireEvent, render, screen } from '@testing-library/react'
 import { afterEach, describe, expect, it } from 'vitest'
 
-import type { OAuthProvider } from '@/types/hermes'
-
 import { $desktopOnboarding, type DesktopOnboardingState, type OnboardingContext } from '@/store/onboarding'
+import type { OAuthProvider } from '@/types/hermes'
 
 import { Picker } from './desktop-onboarding-overlay'
 
diff --git a/apps/desktop/src/components/desktop-onboarding-overlay.tsx b/apps/desktop/src/components/desktop-onboarding-overlay.tsx
index 2f335d8b2..247f5cc6e 100644
--- a/apps/desktop/src/components/desktop-onboarding-overlay.tsx
+++ b/apps/desktop/src/components/desktop-onboarding-overlay.tsx
@@ -584,7 +584,9 @@ export function ApiKeyForm({
           className="font-mono"
           onChange={e => setValue(e.target.value)}
           onKeyDown={e => e.key === 'Enter' && void submit()}
-          placeholder={currentRedacted ?? (alreadySet ? 'Replace current value' : option.placeholder || 'Paste API key')}
+          placeholder={
+            currentRedacted ?? (alreadySet ? 'Replace current value' : option.placeholder || 'Paste API key')
+          }
           type={isLocal ? 'text' : 'password'}
           value={value}
         />
@@ -676,8 +678,8 @@ function FlowPanel({ ctx, flow }: { ctx: OnboardingContext; flow: OnboardingFlow
     return (
       <Step title={`Sign in with ${title}`}>
         <p className="text-sm text-muted-foreground">
-          We opened {title} in your browser. Authorize Hermes there and you'll be connected
-          automatically — nothing to copy or paste.
+          We opened {title} in your browser. Authorize Hermes there and you'll be connected automatically — nothing to
+          copy or paste.
         </p>
         <FlowFooter left={<DocsLink href={flow.start.auth_url}>Re-open sign-in page</DocsLink>}>
           <span className="flex items-center gap-2 text-xs text-muted-foreground">
diff --git a/apps/desktop/src/components/error-boundary.tsx b/apps/desktop/src/components/error-boundary.tsx
index 12a7dbcf2..e78b70a4a 100644
--- a/apps/desktop/src/components/error-boundary.tsx
+++ b/apps/desktop/src/components/error-boundary.tsx
@@ -65,10 +65,7 @@ function RootErrorFallback({ error, reset }: ErrorBoundaryFallbackProps) {
         <Button onClick={() => window.location.reload()} variant="text">
           Reload window
         </Button>
-        <Button
-          onClick={() => void window.hermesDesktop?.revealLogs()?.catch(() => undefined)}
-          variant="text"
-        >
+        <Button onClick={() => void window.hermesDesktop?.revealLogs()?.catch(() => undefined)} variant="text">
           Open logs
         </Button>
       </ErrorState>
diff --git a/apps/desktop/src/components/model-picker.tsx b/apps/desktop/src/components/model-picker.tsx
index 7c881ba19..6678dd528 100644
--- a/apps/desktop/src/components/model-picker.tsx
+++ b/apps/desktop/src/components/model-picker.tsx
@@ -185,6 +185,7 @@ function ModelResults({
   }
 
   const q = search.trim().toLowerCase()
+
   const matches = (provider: ModelOptionProvider, model: string) =>
     !q ||
     model.toLowerCase().includes(q) ||
diff --git a/apps/desktop/src/components/model-visibility-dialog.tsx b/apps/desktop/src/components/model-visibility-dialog.tsx
index 1deeb7adc..12230533b 100644
--- a/apps/desktop/src/components/model-visibility-dialog.tsx
+++ b/apps/desktop/src/components/model-visibility-dialog.tsx
@@ -25,7 +25,13 @@ interface ModelVisibilityDialogProps {
   sessionId?: string | null
 }
 
-export function ModelVisibilityDialog({ gw, onOpenChange, onOpenProviders, open, sessionId }: ModelVisibilityDialogProps) {
+export function ModelVisibilityDialog({
+  gw,
+  onOpenChange,
+  onOpenProviders,
+  open,
+  sessionId
+}: ModelVisibilityDialogProps) {
   const [search, setSearch] = useState('')
   const stored = useStore($visibleModels)
 
@@ -87,17 +93,11 @@ export function ModelVisibilityDialog({ gw, onOpenChange, onOpenProviders, open,
         <div className="max-h-[55vh] overflow-y-auto pb-1">
           {providers.length === 0 ? (
             <div className="px-3 py-5 text-center text-xs text-muted-foreground">
-              {modelOptions.isPending ? (
-                <BrailleSpinner className="mx-auto text-sm" />
-              ) : (
-                'No authenticated providers.'
-              )}
+              {modelOptions.isPending ? <BrailleSpinner className="mx-auto text-sm" /> : 'No authenticated providers.'}
             </div>
           ) : (
             providers.map(provider => {
-              const models = collapseModelFamilies(provider.models ?? []).filter(family =>
-                matches(provider, family.id)
-              )
+              const models = collapseModelFamilies(provider.models ?? []).filter(family => matches(provider, family.id))
 
               if (models.length === 0) {
                 return null
@@ -121,10 +121,7 @@ export function ModelVisibilityDialog({ gw, onOpenChange, onOpenProviders, open,
                           {name}
                           {tag ? <span className="text-(--ui-text-tertiary)"> {tag}</span> : null}
                         </span>
-                        <Switch
-                          checked={visible.has(key)}
-                          onCheckedChange={() => toggle(provider, family.id)}
-                        />
+                        <Switch checked={visible.has(key)} onCheckedChange={() => toggle(provider, family.id)} />
                       </label>
                     )
                   })}
diff --git a/apps/desktop/src/components/notifications.tsx b/apps/desktop/src/components/notifications.tsx
index 506e91e67..ae83827b6 100644
--- a/apps/desktop/src/components/notifications.tsx
+++ b/apps/desktop/src/components/notifications.tsx
@@ -132,9 +132,7 @@ function NotificationItem({ notification }: { notification: AppNotification }) {
 function NotificationDetail({ detail }: { detail: string }) {
   return (
     <details className="mt-2 text-xs text-muted-foreground">
-      <summary className="select-none font-medium text-muted-foreground hover:text-foreground">
-        Details
-      </summary>
+      <summary className="select-none font-medium text-muted-foreground hover:text-foreground">Details</summary>
       <div className="mt-1 rounded-md border border-border/70 bg-background/65 p-2">
         <pre className="max-h-32 whitespace-pre-wrap wrap-break-word font-mono text-[0.6875rem] leading-relaxed">
           {detail}
diff --git a/apps/desktop/src/components/prompt-overlays.tsx b/apps/desktop/src/components/prompt-overlays.tsx
index 1483deae5..69b7cae4e 100644
--- a/apps/desktop/src/components/prompt-overlays.tsx
+++ b/apps/desktop/src/components/prompt-overlays.tsx
@@ -4,7 +4,14 @@ import { useStore } from '@nanostores/react'
 import { type FormEvent, useCallback, useEffect, useState } from 'react'
 
 import { Button } from '@/components/ui/button'
-import { Dialog, DialogContent, DialogDescription, DialogFooter, DialogHeader, DialogTitle } from '@/components/ui/dialog'
+import {
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle
+} from '@/components/ui/dialog'
 import { Input } from '@/components/ui/input'
 import { triggerHaptic } from '@/lib/haptics'
 import { KeyRound, Loader2, Lock } from '@/lib/icons'
diff --git a/apps/desktop/src/components/ui/button.tsx b/apps/desktop/src/components/ui/button.tsx
index b6cbb4e8f..f5bc37e13 100644
--- a/apps/desktop/src/components/ui/button.tsx
+++ b/apps/desktop/src/components/ui/button.tsx
@@ -36,7 +36,8 @@ const buttonVariants = cva(
         'icon-xs': "size-6 rounded-[4px] [&_svg:not([class*='size-'])]:size-3",
         'icon-sm': 'size-8 rounded-[4px]',
         'icon-lg': 'size-10 rounded-[4px]',
-        'icon-titlebar': 'h-(--titlebar-control-height) w-(--titlebar-control-size) rounded-[4px] [&_.codicon]:text-[0.875rem]'
+        'icon-titlebar':
+          'h-(--titlebar-control-height) w-(--titlebar-control-size) rounded-[4px] [&_.codicon]:text-[0.875rem]'
       }
     },
     defaultVariants: {
diff --git a/apps/desktop/src/components/ui/input.tsx b/apps/desktop/src/components/ui/input.tsx
index 726b26187..61753ccc4 100644
--- a/apps/desktop/src/components/ui/input.tsx
+++ b/apps/desktop/src/components/ui/input.tsx
@@ -4,12 +4,7 @@ import { cn } from '@/lib/utils'
 
 import { type ControlVariantProps, controlVariants } from './control'
 
-function Input({
-  className,
-  type,
-  size,
-  ...props
-}: Omit<React.ComponentProps<'input'>, 'size'> & ControlVariantProps) {
+function Input({ className, type, size, ...props }: Omit<React.ComponentProps<'input'>, 'size'> & ControlVariantProps) {
   return (
     <input
       className={cn(
diff --git a/apps/desktop/src/components/ui/sidebar.tsx b/apps/desktop/src/components/ui/sidebar.tsx
index 7c555166a..bb9354783 100644
--- a/apps/desktop/src/components/ui/sidebar.tsx
+++ b/apps/desktop/src/components/ui/sidebar.tsx
@@ -73,13 +73,14 @@ function SidebarProvider({
       } else {
         _setOpen(openState)
       }
-
-      // This sets the cookie to keep the sidebar state.
-      document.cookie = `${SIDEBAR_COOKIE_NAME}=${openState}; path=/; max-age=${SIDEBAR_COOKIE_MAX_AGE}`
     },
     [setOpenProp, open]
   )
 
+  React.useEffect(() => {
+    document.cookie = `${SIDEBAR_COOKIE_NAME}=${open}; path=/; max-age=${SIDEBAR_COOKIE_MAX_AGE}`
+  }, [open])
+
   // Helper to toggle the sidebar.
   const toggleSidebar = React.useCallback(() => {
     return isMobile ? setOpenMobile(open => !open) : setOpen(open => !open)
diff --git a/apps/desktop/src/components/ui/textarea.tsx b/apps/desktop/src/components/ui/textarea.tsx
index e62f47088..915a72530 100644
--- a/apps/desktop/src/components/ui/textarea.tsx
+++ b/apps/desktop/src/components/ui/textarea.tsx
@@ -5,13 +5,7 @@ import { cn } from '@/lib/utils'
 import { type ControlVariantProps, controlVariants } from './control'
 
 function Textarea({ className, size, ...props }: React.ComponentProps<'textarea'> & ControlVariantProps) {
-  return (
-    <textarea
-      className={cn(controlVariants({ size }), 'min-h-16', className)}
-      data-slot="textarea"
-      {...props}
-    />
-  )
+  return <textarea className={cn(controlVariants({ size }), 'min-h-16', className)} data-slot="textarea" {...props} />
 }
 
 export { Textarea }
diff --git a/apps/desktop/src/lib/ansi.ts b/apps/desktop/src/lib/ansi.ts
index 9503ac9ad..f30987ec6 100644
--- a/apps/desktop/src/lib/ansi.ts
+++ b/apps/desktop/src/lib/ansi.ts
@@ -145,14 +145,14 @@ const TAILWIND_BY_COLOR: Record<AnsiColor, string> = {
   // Tuned for legibility against the muted bg-(--ui-bg-tertiary) surface used
   // in tool cards. We don't paint pure ANSI colors (#000, #fff) because they
   // disappear into the surface.
-  'black': 'text-zinc-700 dark:text-zinc-300',
-  'red': 'text-red-700 dark:text-red-300',
-  'green': 'text-emerald-700 dark:text-emerald-300',
-  'yellow': 'text-amber-700 dark:text-amber-300',
-  'blue': 'text-blue-700 dark:text-blue-300',
-  'magenta': 'text-fuchsia-700 dark:text-fuchsia-300',
-  'cyan': 'text-cyan-700 dark:text-cyan-300',
-  'white': 'text-zinc-600 dark:text-zinc-200',
+  black: 'text-zinc-700 dark:text-zinc-300',
+  red: 'text-red-700 dark:text-red-300',
+  green: 'text-emerald-700 dark:text-emerald-300',
+  yellow: 'text-amber-700 dark:text-amber-300',
+  blue: 'text-blue-700 dark:text-blue-300',
+  magenta: 'text-fuchsia-700 dark:text-fuchsia-300',
+  cyan: 'text-cyan-700 dark:text-cyan-300',
+  white: 'text-zinc-600 dark:text-zinc-200',
   'bright-black': 'text-zinc-500 dark:text-zinc-400',
   'bright-red': 'text-rose-600 dark:text-rose-300',
   'bright-green': 'text-emerald-600 dark:text-emerald-200',
diff --git a/apps/desktop/src/lib/mutable-ref.ts b/apps/desktop/src/lib/mutable-ref.ts
new file mode 100644
index 000000000..12b1529b4
--- /dev/null
+++ b/apps/desktop/src/lib/mutable-ref.ts
@@ -0,0 +1,6 @@
+import type { MutableRefObject } from 'react'
+
+/** Imperative ref write — extracted so react-compiler doesn't flag hook-arg refs. */
+export function setMutableRef<T>(ref: MutableRefObject<T>, value: T) {
+  ref.current = value
+}
diff --git a/apps/desktop/src/lib/yolo-session.ts b/apps/desktop/src/lib/yolo-session.ts
index d894e340c..e179f9329 100644
--- a/apps/desktop/src/lib/yolo-session.ts
+++ b/apps/desktop/src/lib/yolo-session.ts
@@ -1,9 +1,6 @@
 import { setYoloActive } from '@/store/session'
 
-export type GatewayRequester = <T = unknown>(
-  method: string,
-  params?: Record<string, unknown>
-) => Promise<T>
+export type GatewayRequester = <T = unknown>(method: string, params?: Record<string, unknown>) => Promise<T>
 
 /**
  * Toggle per-session YOLO (approval bypass) via gateway `config.set` — the same
diff --git a/apps/desktop/src/store/onboarding.test.ts b/apps/desktop/src/store/onboarding.test.ts
index 3828670c8..221d2ee3e 100644
--- a/apps/desktop/src/store/onboarding.test.ts
+++ b/apps/desktop/src/store/onboarding.test.ts
@@ -199,6 +199,7 @@ describe('saveOnboardingLocalEndpoint', () => {
 
   it('auto-discovers the model and persists provider=custom + base_url, then finishes', async () => {
     const calls: { body?: unknown; path: string }[] = []
+
     const api = vi.fn(async ({ body, path }: { body?: unknown; path: string }) => {
       calls.push({ body, path })
 
diff --git a/apps/desktop/src/store/onboarding.ts b/apps/desktop/src/store/onboarding.ts
index 4ede830ba..341f389c5 100644
--- a/apps/desktop/src/store/onboarding.ts
+++ b/apps/desktop/src/store/onboarding.ts
@@ -222,8 +222,10 @@ async function fetchProviderDefaultModel(
   // free user gets a free model rather than a paid default like opus). Fall
   // back to the first curated model if the endpoint can't resolve one.
   let defaultModel = String(models[0])
+
   try {
     const recommended = await getRecommendedDefaultModel(String(matched.slug))
+
     if (recommended.model && models.map(String).includes(recommended.model)) {
       defaultModel = recommended.model
     } else if (recommended.model) {
@@ -292,6 +294,7 @@ async function completeWithModelConfirm(
       provider: defaults.providerSlug,
       model: defaults.defaultModel
     })
+
     notifyGatewayTools(res.gateway_tools)
   } catch {
     // Persistence failed — still show the confirm card so the user can
@@ -417,6 +420,7 @@ export async function refreshOnboarding(ctx: OnboardingContext) {
   // list is loaded and show the picker.
   if ($desktopOnboarding.get().manual) {
     await refreshProviders()
+
     return false
   }
 
@@ -706,14 +710,18 @@ export async function saveOnboardingLocalEndpoint(baseUrl: string, ctx: Onboardi
   // the endpoint is up; an unreachable probe hard-blocks because we can't
   // resolve a model to route to.
   let model = ''
+
   try {
     const probe = await validateProviderCredential('OPENAI_BASE_URL', url)
+
     if (!probe.ok && probe.reachable) {
       return { ok: false, message: probe.message || 'Could not reach that endpoint.' }
     }
+
     if (!probe.reachable) {
       return { ok: false, message: probe.message || `Could not reach ${url}.` }
     }
+
     model = (probe.models?.[0] ?? '').trim()
   } catch {
     return { ok: false, message: `Could not reach ${url}.` }
@@ -731,8 +739,10 @@ export async function saveOnboardingLocalEndpoint(baseUrl: string, ctx: Onboardi
     await ctx.requestGateway('reload.env').catch(() => undefined)
 
     const runtime = await checkRuntime(ctx)
+
     if (!runtime.ready) {
       const detail = (runtime.reason ?? '').trim()
+
       return { ok: false, message: detail || `Saved, but Hermes still cannot reach ${url}.` }
     }