fix(mobile): stop accessory repeats after IME send failure

mobile/src/terminal/use-terminal-live-accessory-input-commit.test.ts

@@ -165,6 +165,20 @@ describe('terminal live accessory input commit hook', () => {
     expect(result).toEqual({ kind: 'handled' })
   })
 
+  it('Given held text with a failed control send When committed Then reports the accessory input as suppressed', async () => {
+    const harness = createAccessoryInputCommitHarness({
+      heldText: '한',
+      pendingHandle: 'terminal-a',
+      sendResult: false
+    })
+
+    const result = await harness.commit({ bytes: '\x1b' })
+
+    expect(harness.flushPendingLiveInputText).toHaveBeenCalledWith('terminal-a')
+    expect(harness.sent).toEqual(['\x1b'])
+    expect(result).toEqual({ kind: 'suppress-raw' })
+  })
+
   it('Given raw accessory bytes with no held text When committed Then allows the raw send without flushing', async () => {
     // Given
     const harness = createAccessoryInputCommitHarness({ pendingHandle: null })

mobile/src/terminal/use-terminal-live-accessory-input-commit.ts

@@ -84,12 +84,13 @@ export function useTerminalLiveAccessoryInputCommit({
           applyLiveInputMirror(activeHandle, editedText)
           return { kind: 'handled' }
         }
-        case 'commit-held-then-send':
-          await sendTerminalLiveControlAfterPendingFlush(
+        case 'commit-held-then-send': {
+          const sent = await sendTerminalLiveControlAfterPendingFlush(
             () => flushPendingLiveInputText(activeHandle),
             () => sendLiveTerminalInputRef.current(activeHandle, decision.bytes)
           )
-          return { kind: 'handled' }
+          return sent ? { kind: 'handled' } : { kind: 'suppress-raw' }
+        }
         default:
           decision satisfies never
           return { kind: 'handled' }