v2 rehearsal: FLAG-3 order note-before-notice on first-turn co-pending (fix effective order, pin with test)

cloud/tests/test_goal_live_update.py

@@ -504,6 +504,33 @@ class HostLoopTestCase(unittest.TestCase):
         self.assertIn("new goal", prompts[0])
         self.assertIn("旧目标", prompts[0])
 
+    def test_first_turn_both_pending_note_before_notice(self):
+        # FLAG-3 定序（v2 演练决定）：首轮断点备注与改 goal 通知
+        # 同 pending 时，模型可见顺序为备注在前、通知在后。
+        # 注意代码里两次 prepend 的执行顺序与可见顺序相反
+        # （先贴通知、再贴备注），本测试钉住的是可见顺序，
+        # 而非执行顺序。
+        task = self._task()
+        self._write_signal(1, "new goal")
+        prompts = []
+        script = [("completed", "目标已达成", None)]
+        fake = _fake_turn_script(prompts, script)
+        note = ("[审计推回包（第 1 轮）]\n"
+                "- [execution_failed] 证据：boom detail")
+        with mock.patch.object(host_mod, "run_task_turn", fake):
+            result = host_mod.run_goal_loop(
+                SimpleNamespace(), self.state, self.state_path, task,
+                "old goal", None, 0, None, None, None, cfg=None,
+                resume_note=note)
+        self.assertTrue(result["ok"])
+        self.assertEqual(result["rounds_done"], 1)
+        self.assertEqual(len(prompts), 1)
+        first = prompts[0]
+        self.assertTrue(first.startswith(note))
+        self.assertLess(first.index(note), first.index("目标已更新"))
+        self.assertIn("new goal", first)
+        self.assertIn("作废", first)
+
 
 if __name__ == "__main__":
     unittest.main()