Implement rate limiting middleware for authentication endpoints, adding security headers middleware, and comprehensive error handling. Enhance validation tests for various DTOs and ensure proper functionality of gacha credits and rolls. Add unit tests for rate limiting and security headers middleware to validate behavior under different conditions.

imphnen-gacha/src/lib.rs

@@ -40,9 +40,4 @@ pub use imphnen_utils::{
 };
 
 // Re-export public v1 API
-pub use v1::{
-    gacha_claim_router,
-    gacha_item_router,
-    gacha_roll_router,
-    gacha_router,
-};
+pub use v1::gacha_router;