Log FCM env value on test-push requests.

Add request-time logging in the test push endpoint so FCM_SERVICE_ACCOUNT_KEY can be verified during each API call, not only at service startup.

Co-authored-by: Cursor <cursoragent@cursor.com>

internal/services/notification/service.go

@@ -68,6 +68,10 @@ func New(
 		config:         cfg,
 	}
 
+	mongoLogger.Info("FCM_SERVICE_ACCOUNT_KEY value at startup",
+		zap.String("fcm_service_account_key", cfg.FCMServiceAccountKey),
+	)
+
 	// Initialize FCM client if service account key is provided
 	if cfg.FCMServiceAccountKey != "" {
 		if err := svc.initFCMClient(); err != nil {

internal/web_server/handlers/notification_handler.go

@@ -727,6 +727,9 @@ func (h *Handler) RegisterDeviceToken(c *fiber.Ctx) error {
 func (h *Handler) SendTestPushNotification(c *fiber.Ctx) error {
 	title := c.FormValue("title", "Test Push Notification")
 	message := c.FormValue("message", "This is a test push notification from Yimaru Backend")
+	h.mongoLoggerSvc.Info("FCM_SERVICE_ACCOUNT_KEY value during test-push call",
+		zap.String("fcm_service_account_key", h.Cfg.FCMServiceAccountKey),
+	)
 
 	userID, ok := c.Locals("user_id").(int64)
 	if !ok || userID == 0 {