refactor(middleware): handle nil logger in StoreLoggerMiddleware

• Defaults to standard logger if no logger is provided

Author: nexus49

middleware/logger.go

@@ -9,6 +9,9 @@ import (
 // StoreLoggerMiddleware returns an HTTP middleware that injects the provided
 // logger into each request's context so downstream handlers can retrieve it.
 func StoreLoggerMiddleware(log *logger.Logger) func(http.Handler) http.Handler {
+	if log == nil {
+		log = logger.StdLogger
+	}
 	return func(next http.Handler) http.Handler {
 		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 			ctx := logger.SetLoggerInContext(r.Context(), log)