fix: verify-only magic link approval flow

backend/internal/domain/auth_models.go

@@ -26,7 +26,8 @@ type EnchantedLinkPollResponse struct {
 }
 
 type MagicLinkVerifyRequest struct {
-	Token string `json:"token"`
+	Token      string `json:"token"`
+	VerifyOnly bool   `json:"verifyOnly,omitempty"`
 }
 
 type QRInitResponse struct {