R31-1 R31-4: 收口详情页工作台化与 E2E 契约

client/tests/e2e/mobile-approvals-offline.spec.ts

@@ -14,15 +14,22 @@ async function waitForWorkflowTaskCache(page: import("@playwright/test").Page, t
             request.onerror = () => reject(request.error ?? new Error("indexeddb_open_failed"));
           });
 
-          const store = db.transaction("workflow_task_cache", "readonly").objectStore("workflow_task_cache");
-          const detail = await new Promise<unknown>((resolve, reject) => {
-            const query = store.get(currentTaskId);
-            query.onsuccess = () => resolve(query.result ?? null);
-            query.onerror = () => reject(query.error ?? new Error("indexeddb_read_failed"));
-          });
+          try {
+            if (!db.objectStoreNames.contains("workflow_task_cache")) {
+              return false;
+            }
 
-          db.close();
-          return Boolean(detail);
+            const store = db.transaction("workflow_task_cache", "readonly").objectStore("workflow_task_cache");
+            const detail = await new Promise<unknown>((resolve, reject) => {
+              const query = store.get(currentTaskId);
+              query.onsuccess = () => resolve(query.result ?? null);
+              query.onerror = () => reject(query.error ?? new Error("indexeddb_read_failed"));
+            });
+
+            return Boolean(detail);
+          } finally {
+            db.close();
+          }
         }, taskId);
       },
       { timeout: 15_000 },