feat(apply): open product page on left double click

tests/test_workers.py

@@ -24,6 +24,7 @@ from app.gui.workers import (
     ProductSuiteAiWriteWorker,
     ProductSuiteGenerateWorker,
     ProductSuiteHistoryExportWorker,
+    ProductTabOpenWorker,
     CollectWorker,
 )
 
@@ -120,6 +121,46 @@ class WorkerTests(unittest.TestCase):
         self.assertEqual([(-1, "模拟失败")], failed)
         self.assertEqual([{"ok": False, "error": "模拟失败"}], finished)
 
+    def test_product_tab_open_worker_focuses_product_without_task_write(self):
+        account = SimpleNamespace(
+            alias="alias-a", account_name="主店", debug_port=9222
+        )
+        with mock.patch(
+            "app.gui.workers.db.get_account_by_alias", return_value=account
+        ) as get_account, mock.patch(
+            "app.gui.workers.chrome.is_running", return_value=True
+        ) as is_running, mock.patch(
+            "app.gui.workers.editor.open_or_focus_product_tab",
+            return_value={"created": False, "target_id": "target-existing"},
+        ) as open_tab, mock.patch("app.gui.workers.db.set_generated") as set_generated:
+            result = ProductTabOpenWorker(
+                "alias-a", "51100639510", db_path="test.db"
+            ).execute()
+
+        self.assertTrue(result["ok"])
+        self.assertFalse(result["created"])
+        self.assertEqual("主店", result["account_name"])
+        get_account.assert_called_once_with("alias-a", path="test.db")
+        is_running.assert_called_once_with(9222)
+        open_tab.assert_called_once_with(account, "51100639510")
+        set_generated.assert_not_called()
+
+    def test_product_tab_open_worker_reports_missing_chrome_without_starting_it(self):
+        account = SimpleNamespace(
+            alias="alias-a", account_name="主店", debug_port=9222
+        )
+        with mock.patch(
+            "app.gui.workers.db.get_account_by_alias", return_value=account
+        ), mock.patch(
+            "app.gui.workers.chrome.is_running", return_value=False
+        ), mock.patch("app.gui.workers.editor.open_or_focus_product_tab") as open_tab:
+            result = ProductTabOpenWorker("alias-a", "51100639510").execute()
+
+        self.assertFalse(result["ok"])
+        self.assertEqual("CHROME_NOT_RUNNING", result["reason"])
+        self.assertIn("④账号管理", result["message"])
+        open_tab.assert_not_called()
+
     def test_collect_worker_scope_skips_non_normal_without_overwriting_old_content(self):
         with tempfile.TemporaryDirectory() as temp_dir:
             db_path = os.path.join(temp_dir, "cmshopee.db")