refactor(admin,ui,test): 完善数据库迁移脚本，添加单元测试并调整前端配置

优化所有alembic迁移脚本的离线模式支持，添加已存在对象检查逻辑，避免重复执行出错。
为各个迁移脚本添加对应的单元测试，覆盖核心场景保障逻辑正确性。
修改前端配置文件，将默认API地址切换为线上服务器8.138.234.141:4000。
新增本地数据备份文件wonderq-local-data.dump和项目发布包wonderq-admin-release-20260823-01.tar。

WonderQ-Admin/tests/test_detail_records_migration.py

@@ -0,0 +1,38 @@
+from importlib.util import module_from_spec, spec_from_file_location
+from datetime import datetime
+from pathlib import Path
+
+
+MIGRATION_PATH = Path(__file__).parents[1] / "alembic" / "versions" / "0021_detail_records.py"
+SPEC = spec_from_file_location("detail_records_migration", MIGRATION_PATH)
+assert SPEC and SPEC.loader
+MIGRATION = module_from_spec(SPEC)
+SPEC.loader.exec_module(MIGRATION)
+
+
+def test_detail_record_indexes_are_created_only_when_missing():
+    assert MIGRATION.missing_detail_record_indexes(set()) == {
+        "ix_DetailRecord_isActive",
+        "ix_DetailRecord_sortOrder",
+    }
+    assert MIGRATION.missing_detail_record_indexes({"ix_DetailRecord_isActive"}) == {
+        "ix_DetailRecord_sortOrder",
+    }
+    assert MIGRATION.missing_detail_record_indexes(
+        {"ix_DetailRecord_isActive", "ix_DetailRecord_sortOrder"}
+    ) == set()
+
+
+def test_detail_seed_rows_skip_existing_route_keys():
+    routes = [
+        {
+            "id": "family-route",
+            "title": "亲子路线",
+            "subtitle": "贵州亲子慢游",
+            "image": "https://example.test/family.jpg",
+            "sortOrder": 0,
+        }
+    ]
+    rows = MIGRATION.build_detail_seed_rows(routes, set(), datetime(2026, 1, 1))
+    assert rows[0]["key"] == "family-route"
+    assert MIGRATION.build_detail_seed_rows(routes, {"family-route"}, datetime(2026, 1, 1)) == []