A bunch of fixes

internal/user/service.go

@@ -39,8 +39,6 @@ func VerifyImageLimit(r io.Reader) error {
 }
 
 func ExtractUploadedImageBytes(r *http.Request, formKey string) ([]byte, string, error) {
-	// Read file with a size limit to prevent abuse. We read the raw multipart
-	// bytes, verify size and image format, then return them.
 	const maxRead = MaxUploadSize + 1024 // small extra for multipart framing
 
 	file, header, err := r.FormFile(formKey)
@@ -54,7 +52,6 @@ func ExtractUploadedImageBytes(r *http.Request, formKey string) ([]byte, string,
 		return nil, "", fmt.Errorf("invalid file type: only JPG or PNG are allowed")
 	}
 
-	// Read all bytes so we can verify image dimensions from a reusable reader.
 	lr := io.LimitReader(file, maxRead)
 	fileBytes, err := io.ReadAll(lr)
 	if err != nil {