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/coupons.json

@@ -0,0 +1,62 @@
+{
+  "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": false,
+      "quantity": 1000,
+      "remaining": 850,
+      "imageUrl": "https://picsum.photos/seed/coupon1/300/200.jpg",
+      "tags": ["新用户", "专享"],
+      "rules": [
+        "仅限新用户领取",
+        "有效期30天",
+        "不可与其他优惠叠加"
+      ]
+    },
+    {
+      "id": "2",
+      "name": "限时特惠券",
+      "description": "满50减5元",
+      "discount": 5.00,
+      "minAmount": 50.00,
+      "type": "DISCOUNT",
+      "validUntil": "2026-01-30T23:59:59Z",
+      "claimed": false,
+      "quantity": 500,
+      "remaining": 320,
+      "imageUrl": "https://picsum.photos/seed/coupon2/300/200.jpg",
+      "tags": ["限时", "特惠"],
+      "rules": [
+        "有效期7天",
+        "每人限领1张",
+        "不可与其他优惠叠加"
+      ]
+    },
+    {
+      "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,
+      "quantity": 2000,
+      "remaining": 1200,
+      "imageUrl": "https://picsum.photos/seed/coupon3/300/200.jpg",
+      "tags": ["邀请", "奖励"],
+      "rules": [
+        "邀请好友成功后获得",
+        "有效期30天",
+        "全场通用"
+      ]
+    }
+  ]
+}