Persist active run event history

tests/test_agent_runtime.py

@@ -285,6 +285,52 @@ class AgentRuntimeTests(unittest.TestCase):
         self.assertGreaterEqual(len(result.transcript), 5)
         self.assertGreaterEqual(len(result.file_history), 0)
 
+    def test_agent_persists_max_turns_explanation_after_tool_result(self) -> None:
+        responses = [
+            {
+                'choices': [
+                    {
+                        'message': {
+                            'role': 'assistant',
+                            'content': '我先读取文件。',
+                            'tool_calls': [
+                                {
+                                    'id': 'call_1',
+                                    'type': 'function',
+                                    'function': {
+                                        'name': 'read_file',
+                                        'arguments': '{"path": "hello.txt"}',
+                                    },
+                                }
+                            ],
+                        },
+                        'finish_reason': 'tool_calls',
+                    }
+                ]
+            }
+        ]
+        with tempfile.TemporaryDirectory() as tmp_dir:
+            workspace = Path(tmp_dir)
+            (workspace / 'hello.txt').write_text('hello world\n', encoding='utf-8')
+            with patch(
+                'src.openai_compat.request.urlopen',
+                side_effect=make_urlopen_side_effect(responses),
+            ):
+                agent = LocalCodingAgent(
+                    model_config=ModelConfig(
+                        model='Qwen/Qwen3-Coder-30B-A3B-Instruct',
+                        base_url='http://127.0.0.1:8000/v1',
+                    ),
+                    runtime_config=AgentRuntimeConfig(cwd=workspace, max_turns=1),
+                )
+                result = agent.run('Inspect hello.txt')
+
+        self.assertEqual(result.stop_reason, 'max_turns')
+        self.assertIn('最大步骤上限', result.final_output)
+        self.assertEqual(result.transcript[-1]['role'], 'assistant')
+        self.assertEqual(result.transcript[-1]['stop_reason'], 'max_turns')
+        self.assertIn('最大步骤上限', result.transcript[-1]['content'])
+
     def test_agent_stops_after_data_agent_goal_requires_review(self) -> None:
         responses = [
             {

tests/test_gui_server.py

@@ -262,6 +262,43 @@ class GuiServerTests(unittest.TestCase):
             self.assertEqual(payload['status'], 'running')
             self.assertEqual(payload['current_stage'], 'first stage')
 
+    def test_latest_run_includes_runtime_event_history(self) -> None:
+        with tempfile.TemporaryDirectory() as d:
+            client, state = _build_client(Path(d))
+            record = state.run_manager.start('alice', 'thread-1')
+            state.run_manager.update(record.run_id, status='running')
+            state.run_manager.record_event(
+                record.run_id,
+                {
+                    'type': 'tool_start',
+                    'tool_name': 'python_exec',
+                    'tool_call_id': 'call-1',
+                    'arguments': {'code': 'print(1)'},
+                    'assistant_content': '我用 Python 分析一下。',
+                },
+            )
+            state.run_manager.record_event(
+                record.run_id,
+                {
+                    'type': 'tool_result',
+                    'tool_name': 'python_exec',
+                    'tool_call_id': 'call-1',
+                    'ok': True,
+                    'metadata': {'output_preview': 'exit_code=0'},
+                },
+            )
+
+            latest = client.get(
+                '/api/runs/latest',
+                params={'account_id': 'alice', 'session_id': 'thread-1'},
+            )
+
+            self.assertEqual(latest.status_code, 200)
+            events = latest.json()['events']
+            self.assertEqual([event['type'] for event in events], ['tool_start', 'tool_result'])
+            self.assertEqual(events[0]['tool_name'], 'python_exec')
+            self.assertEqual(events[1]['metadata']['output_preview'], 'exit_code=0')
+
     def test_cancel_run_marks_streaming_session_tail_cancelled(self) -> None:
         with tempfile.TemporaryDirectory() as d:
             root = Path(d)