feat: add first-run empty state guidance

tests/test_gui.py

@@ -109,6 +109,63 @@ class GuiTests(TempDirMixin, unittest.TestCase):
 
         self.assert_removed(temp_dir)
 
+    def test_collect_tab_shows_empty_state_without_accounts(self):
+        with self.make_temp_dir() as temp_dir:
+            cfg = self.make_config(temp_dir)
+            opened = []
+            tab = CollectTab(config=cfg, open_accounts_callback=lambda: opened.append(True))
+            self.addCleanup(tab.close)
+
+            self.assertFalse(tab.empty_state_card.isHidden())
+            self.assertIn("④账号管理", tab.empty_state_label.text())
+            self.assertFalse(tab.empty_state_button.isHidden())
+
+            tab.empty_state_button.click()
+            self.assertEqual([True], opened)
+
+        self.assert_removed(temp_dir)
+
+    def test_generate_tab_shows_empty_state_for_first_steps(self):
+        with self.make_temp_dir() as temp_dir:
+            cfg = self.make_config(temp_dir)
+            opened = []
+            tab = GenerateTab(config=cfg, open_accounts_callback=lambda: opened.append(True))
+            self.addCleanup(tab.close)
+
+            self.assertFalse(tab.empty_state_card.isHidden())
+            self.assertIn("④账号管理", tab.empty_state_label.text())
+            self.assertFalse(tab.empty_state_button.isHidden())
+            tab.empty_state_button.click()
+            self.assertEqual([True], opened)
+
+            accounts.create_account("主店", "alias", debug_port=9222, config=cfg)
+            tab.refresh_tasks()
+            self.assertFalse(tab.empty_state_card.isHidden())
+            self.assertIn("①导入采集", tab.empty_state_label.text())
+            self.assertTrue(tab.empty_state_button.isHidden())
+
+        self.assert_removed(temp_dir)
+
+    def test_apply_tab_shows_empty_state_for_first_steps(self):
+        with self.make_temp_dir() as temp_dir:
+            cfg = self.make_config(temp_dir)
+            opened = []
+            tab = ApplyTab(config=cfg, open_accounts_callback=lambda: opened.append(True))
+            self.addCleanup(tab.close)
+
+            self.assertFalse(tab.empty_state_card.isHidden())
+            self.assertIn("④账号管理", tab.empty_state_label.text())
+            self.assertFalse(tab.empty_state_button.isHidden())
+            tab.empty_state_button.click()
+            self.assertEqual([True], opened)
+
+            accounts.create_account("主店", "alias", debug_port=9222, config=cfg)
+            tab.refresh_tasks()
+            self.assertFalse(tab.empty_state_card.isHidden())
+            self.assertIn("②AI生成", tab.empty_state_label.text())
+            self.assertTrue(tab.empty_state_button.isHidden())
+
+        self.assert_removed(temp_dir)
     def test_settings_tab_loads_ai_models_and_masks_key_field(self):
         with self.make_temp_dir() as temp_dir:
             cfg = self.make_config(temp_dir)