优化: Keep-Alive/rate-limiter/dead-code清理 + deploy.sh蓝绿自动检测 + 压测文档

tests/integration_test.rs

@@ -128,7 +128,7 @@ fn test_member_status_bounds() {
         (true,  false, false, false), // 已过期会员
     ];
 
-    for (is_member, expires_none, future, expected) in &cases {
+    for (is_member, _expires_none, future, expected) in &cases {
         if *future {
             // 模拟会员在有效期内
             assert!(*expected == *is_member, "活跃时 is_active_member = is_member");