fix:优化界面

backend/data/customers.json

@@ -0,0 +1,15 @@
+[
+  {
+    "id": "50ddd99c-f369-4baf-b875-c3ce80d851d8",
+    "key": "HBpEnbtj9BJZ",
+    "wxid": "zhang499142409",
+    "remark_name": "测试",
+    "region": "上海",
+    "age": "20",
+    "gender": "男",
+    "level": "A",
+    "tags": [
+      "准客户"
+    ]
+  }
+]

backend/data/greeting_tasks.json

@@ -0,0 +1,26 @@
+[
+  {
+    "id": "b95661cc-3f4a-4a0c-a924-dd2042996596",
+    "key": "HBpEnbtj9BJZ",
+    "name": "问好",
+    "send_time": "2026-03-10T23:15:30",
+    "customer_tags": [
+      "准客户"
+    ],
+    "template": "你好，这是一个测试",
+    "use_qwen": true,
+    "enabled": false,
+    "executed_at": "2026-03-10T23:29:53.900871"
+  },
+  {
+    "id": "3aa6f313-9cf9-467e-8957-dd80cf814e64",
+    "key": "HBpEnbtj9BJZ",
+    "name": "问好",
+    "send_time": "2026-03-10T23:30:45",
+    "customer_tags": [],
+    "template": "你好，上新了",
+    "use_qwen": true,
+    "enabled": false,
+    "executed_at": "2026-03-10T23:30:54.329333"
+  }
+]

backend/data/product_tags.json

@@ -0,0 +1,7 @@
+[
+  {
+    "id": "18d3c34a-816b-42e0-9b03-bb07cd76554a",
+    "key": "HBpEnbtj9BJZ",
+    "name": "外贸款"
+  }
+]