feat(desktop): show "esc" keyboard shortcut on stop button

apps/desktop/src/app/chat/composer/controls.test.tsx

@@ -65,6 +65,12 @@ describe('ComposerControls shortcut tooltips', () => {
     await expectShortcutTooltip('Send', '↵')
   })
 
+  it('shows Esc for Stop', async () => {
+    renderControls({ busy: true, busyAction: 'stop' })
+
+    await expectShortcutTooltip('Stop', 'Esc')
+  })
+
   it('shows Enter for Steer', async () => {
     renderControls({ busy: true, busyAction: 'steer' })
 

apps/desktop/src/app/chat/composer/controls.tsx

@@ -121,8 +121,8 @@ export function ComposerControls({
                   ? 'composer.steer'
                   : busyAction === 'queue'
                     ? 'composer.queue'
-                    : 'composer.send'}
-                combo="enter"
+                    : 'composer.stop'}
+                combo={busyAction === 'stop' ? 'escape' : 'enter'}
                 text={busyLabel}
               />
             ) : (

apps/desktop/src/app/chat/composer/index.tsx

@@ -107,8 +107,11 @@ export function ChatBar({
   // focus-bus key, and awaiting-input edge. Main scope = the legacy globals.
   const scope = useComposerScope()
   const { data: configRecord } = useHermesConfigRecord()
-  const config = configRecord?.config as { display?: { busy_input_mode?: unknown } } | undefined
-  const busyInputMode = normalizeBusyInputMode(config?.display?.busy_input_mode)
+  // /api/config returns the config record itself (not wrapped in { config: … }),
+  // so read display.busy_input_mode directly off the record.
+  const busyInputMode = normalizeBusyInputMode(
+    (configRecord as { display?: { busy_input_mode?: unknown } } | undefined)?.display?.busy_input_mode
+  )
   const attachments = useStore(scope.attachments.$attachments)
   const compacting = useStore($compactionActive)
   const scrolledUp = useStore($threadScrolledUp)