feat(mobile): correlate voice tasks and recover results on reconnect

apps/mobile/tests/adapter.test.mjs

@@ -16,12 +16,28 @@ test('durable reservation survives restart and concurrent resend; content stays
     assert.equal((await restarted.reserve('phone', 'task', envelope)).state, 'unknown')
     await journal.accepted(reservations.find(r => r.fresh))
     assert.equal((await restarted.reserve('phone', 'task', envelope)).state, 'accepted')
+    await Promise.all([journal.update(reservations.find(r => r.fresh), 'complete'), journal.accepted(reservations.find(r => r.fresh))])
+    assert.equal((await restarted.reserve('phone', 'task', envelope)).state, 'complete', 'late acceptance must not overwrite completion')
     await assert.rejects(restarted.reserve('phone', 'task', { text: 'changed' }), /farklı/)
     const data = await readFile(join(directory, (await readdir(directory))[0]), 'utf8')
     assert.ok(!data.includes('private prompt'))
   } finally { await rm(directory, { recursive: true, force: true }) }
 })
 
+test('task events only settle the matching device task and runtime', async () => {
+  const events = [], writes = []
+  const client = new MobileGatewayClient(() => {}, event => events.push(event), {
+    journal: { update: async (...args) => writes.push(args) }, authorize: async () => {} })
+  client.tasks.set('correlation', { taskId: 'phone-task', sessionId: 'stored', runtimeId: 'runtime', reservation: {} })
+  client.onEvent({ type: 'task.complete', session_id: 'other', payload: { task_id: 'correlation', status: 'complete' } })
+  client.onEvent({ type: 'task.complete', session_id: 'runtime', payload: { task_id: 'another-task', status: 'complete' } })
+  assert.equal(events.length, 0)
+  const terminal = { type: 'task.complete', session_id: 'runtime', payload: { task_id: 'correlation', status: 'error', text: 'Test failed' } }
+  client.onEvent(terminal); client.onEvent(terminal)
+  assert.equal(events.length, 1); assert.equal(writes.length, 1)
+  assert.equal(events[0].taskId, 'phone-task'); assert.equal(events[0].status, 'error')
+})
+
 test('approval binds exact backend request and forbids permanent/model-generated permissions', async () => {
   const rpcCalls = []
   const client = new MobileGatewayClient(() => {}, () => {}, { authorize: async () => {} })