feat: 完成sys模块迁移，对齐PHP/Java框架

- 重构sys模块架构，严格按admin/api/core分层
- 对齐所有sys实体与数据库表结构
- 实现完整的adminapi控制器，匹配PHP/Java契约
- 修复依赖注入问题，确保服务正确注册
- 添加自动迁移工具和契约验证
- 完善多租户支持和审计功能
- 统一命名规范，与PHP业务逻辑保持一致

tools/contracts/routes.only-java.json

@@ -0,0 +1,22 @@
+[
+  {
+    "method": "GET",
+    "path": "index/adv_list"
+  },
+  {
+    "method": "POST",
+    "path": "member/benefits/content"
+  },
+  {
+    "method": "POST",
+    "path": "member/gifts/content"
+  },
+  {
+    "method": "POST",
+    "path": "sys/qrcode"
+  },
+  {
+    "method": "GET",
+    "path": "sys/web/restart"
+  }
+]

tools/contracts/routes.only-php.json

@@ -0,0 +1,14 @@
+[
+  {
+    "method": "GET",
+    "path": "member/benefits/content"
+  },
+  {
+    "method": "GET",
+    "path": "member/gifts/content"
+  },
+  {
+    "method": "GET",
+    "path": "sys/qrcode"
+  }
+]