feat: improve batch task controls and release 1.2.0

tests/unit/runtime/test_task_control.py

@@ -116,6 +116,35 @@ async def test_interruptible_call_returns_normal_result_without_pause(tmp_path,
     assert await control.run_interruptibly(model_call()) == (False, "current result")
 
 
+@pytest.mark.asyncio
+async def test_new_guidance_cancels_stale_model_without_releasing_device(tmp_path, monkeypatch):
+    monkeypatch.setattr(task_control, "TRACES_PATH", tmp_path)
+    released = []
+
+    class Lock:
+        def release(self):
+            released.append(True)
+
+    control = task_control.TaskControl("task-123", Lock())
+    started = asyncio.Event()
+    cancelled = asyncio.Event()
+
+    async def stale_model():
+        started.set()
+        try:
+            await asyncio.Event().wait()
+        finally:
+            cancelled.set()
+
+    call = asyncio.create_task(control.run_interruptibly(stale_model()))
+    await asyncio.wait_for(started.wait(), 1)
+    task_control.add_instruction("task-123", "改为检查当前页面", source="mcp")
+    assert await asyncio.wait_for(call, 1) == (True, None)
+    assert cancelled.is_set()
+    assert released == []
+    assert task_control.consume_instructions(control.directory)["instruction"] == "改为检查当前页面"
+
+
 def test_guidance_history_distinguishes_submission_from_runner_consumption(tmp_path, monkeypatch):
     monkeypatch.setattr(task_control, "TRACES_PATH", tmp_path)
     first = task_control.add_instruction("task-123", "从快捷设置进入", source="web")