feat(subscription): enable observation mode

tests/test_gui.py

@@ -11180,28 +11180,103 @@ class GuiTests(TempDirMixin, unittest.TestCase):
             self.addCleanup(window.close)
             status = subscription.SubscriptionStatus(subscription.STATUS_EXPIRED)
 
-            window._apply_subscription_status(status)
+            with mock.patch.object(
+                main_window,
+                "SUBSCRIPTION_ENFORCEMENT_ENABLED",
+                True,
+            ):
+                window._apply_subscription_status(status)
 
             for index, title in enumerate(TAB_TITLES):
                 self.assertEqual(title == "设置", window.tabs.isTabEnabled(index))
             self.assertEqual(TAB_TITLES.index("设置"), window.tabs.currentIndex())
 
-    def test_main_window_temporarily_bypasses_subscription_checks(self):
-        self.assertFalse(main_window.SUBSCRIPTION_CHECK_ENABLED)
+    def test_main_window_observation_mode_checks_without_restricting_workflows(self):
+        self.assertTrue(main_window.SUBSCRIPTION_CHECK_ENABLED)
+        self.assertFalse(main_window.SUBSCRIPTION_ENFORCEMENT_ENABLED)
+
+        class _Signal:
+            def __init__(self):
+                self.callbacks = []
+
+            def connect(self, callback):
+                self.callbacks.append(callback)
+
+        class _Worker:
+            def __init__(self):
+                self.finished = _Signal()
+                self.cancelled = _Signal()
+                self.cancelled_requested = False
+
+            def cancel(self):
+                self.cancelled_requested = True
+
+        class _Thread:
+            def __init__(self):
+                self.finished = _Signal()
+                self.started = False
+
+            def start(self):
+                self.started = True
+
         with self.make_temp_dir() as temp_dir:
             window = MainWindow(config=self.make_config(temp_dir))
             self.addCleanup(window.close)
+            worker = _Worker()
+            thread = _Thread()
 
-            with mock.patch("app.gui.main_window.SubscriptionCheckWorker") as worker:
+            with mock.patch(
+                "app.gui.main_window.SubscriptionCheckWorker",
+                return_value=worker,
+            ) as worker_factory, mock.patch(
+                "app.gui.main_window.run_worker",
+                return_value=thread,
+            ):
                 window.begin_subscription_check()
 
-            worker.assert_not_called()
-            self.assertEqual("会员：订阅检测已暂停", window._subscription_label.text())
+            worker_factory.assert_called_once()
+            self.assertTrue(thread.started)
+            self.assertEqual("会员：正在验证", window._subscription_label.text())
+            self.assertTrue(
+                all(window.tabs.isTabEnabled(index) for index in range(window.tabs.count()))
+            )
+
+            expired = subscription.SubscriptionStatus(subscription.STATUS_EXPIRED)
+            with mock.patch.object(window, "_show_subscription_notice_once") as notice:
+                window._apply_subscription_status(expired)
+
+            notice.assert_not_called()
+            self.assertIn("当前不影响使用", window._subscription_label.text())
+            self.assertIn("当前不影响使用", window.statusBar().currentMessage())
             self.assertTrue(
                 all(window.tabs.isTabEnabled(index) for index in range(window.tabs.count()))
             )
             self.assertTrue(window.ensure_subscription_for_new_submit("开始 AI 生成"))
 
+    def test_main_window_observation_mode_suppresses_notice_and_rechecks_after_save(self):
+        with self.make_temp_dir() as temp_dir:
+            window = MainWindow(config=self.make_config(temp_dir))
+            self.addCleanup(window.close)
+            status = subscription.SubscriptionStatus(
+                subscription.STATUS_ACTIVE,
+                account_name="主账号",
+                plan_name="测试",
+                expires_at="2026-08-21T23:59:59+08:00",
+                notice_id="subscription-test-plan",
+            )
+
+            with mock.patch.object(window, "_show_subscription_notice_once") as notice:
+                window._apply_subscription_status(status)
+
+            notice.assert_not_called()
+            self.assertIn("主账号 · 测试 · 有效至2026-08-21", window._subscription_label.text())
+            self.assertIn("观察模式", window.statusBar().currentMessage())
+
+            with mock.patch.object(window, "begin_subscription_check") as check:
+                window._on_settings_saved("cmhub")
+
+            check.assert_called_once_with()
+
     def test_generate_and_suite_preflight_can_stop_new_submissions(self):
         with self.make_temp_dir() as temp_dir:
             config = self.make_config(temp_dir)