refactor: align framework cleanup with new bootstrap flow

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

internal/middleware/ratelimit.go

@@ -9,7 +9,6 @@ import (
 
 	"github.com/break/junhong_cmp_fiber/pkg/constants"
 	"github.com/break/junhong_cmp_fiber/pkg/errors"
-	"github.com/break/junhong_cmp_fiber/pkg/response"
 )
 
 // RateLimiter 创建基于 IP 的限流中间件
@@ -23,7 +22,7 @@ func RateLimiter(max int, expiration time.Duration, storage fiber.Storage) fiber
 			return constants.RedisRateLimitKey(c.IP())
 		},
 		LimitReached: func(c *fiber.Ctx) error {
-			return response.Error(c, 429, errors.CodeTooManyRequests, errors.GetMessage(errors.CodeTooManyRequests, "zh"))
+			return errors.New(errors.CodeTooManyRequests, errors.GetMessage(errors.CodeTooManyRequests, "zh"))
 		},
 		Storage: storage, // 支持内存或 Redis 存储
 	})