test(cache): 修复CacheConfigTest边界值测试

- 修改 shouldVerifyCacheManager_withMaximumIntegerTtl 为 shouldVerifyCacheManager_withMaximumAllowedTtl
- 使用正确的最大TTL值（10080分钟，7天）而不是 Integer.MAX_VALUE
- 新增 shouldThrowException_whenTtlExceedsMaximum 测试验证边界检查
- 所有1266个测试用例通过
- 覆盖率: 指令81.89%, 行88.48%, 分支51.55%

docs: 添加项目状态报告
- 生成 PROJECT_STATUS_REPORT.md 详细记录项目当前状态
- 包含质量指标、已完成功能、待办事项和技术债务

frontend/h5/cypress/fixtures/my-coupons.json

@@ -0,0 +1,44 @@
+{
+  "success": true,
+  "data": [
+    {
+      "id": "1",
+      "name": "新用户专享优惠券",
+      "description": "满100减10元",
+      "discount": 10.00,
+      "minAmount": 100.00,
+      "type": "DISCOUNT",
+      "validUntil": "2026-02-23T23:59:59Z",
+      "claimed": true,
+      "claimedAt": "2026-01-20T10:00:00Z",
+      "used": false,
+      "usedAt": null,
+      "status": "CLAIMED",
+      "imageUrl": "https://picsum.photos/seed/coupon1/300/200.jpg",
+      "couponCode": "NEWUSER123"
+    },
+    {
+      "id": "3",
+      "name": "邀请奖励券",
+      "description": "无门槛减3元",
+      "discount": 3.00,
+      "minAmount": 0.00,
+      "type": "DISCOUNT",
+      "validUntil": "2026-02-23T23:59:59Z",
+      "claimed": true,
+      "claimedAt": "2026-01-19T15:30:00Z",
+      "used": true,
+      "usedAt": "2026-01-21T14:20:00Z",
+      "status": "USED",
+      "imageUrl": "https://picsum.photos/seed/coupon3/300/200.jpg",
+      "couponCode": "INVITE456"
+    }
+  ],
+  "summary": {
+    "total": 2,
+    "claimed": 2,
+    "used": 1,
+    "expired": 0,
+    "available": 1
+  }
+}