Added warn log for failed e-mail renders.

src/alerts.js

@@ -515,6 +515,7 @@ async function sendEmailAlerts() {
 
 	const triggers = markedNotifications
 		.map((notification) => ({
+			notificationId: notification.id,
 			scene: scenesBySceneId[notification.scene_id] || null,
 			posterUrl: getImagePath(scenesBySceneId[notification.scene_id]?.poster),
 			user: usersByUserId[notification.user_id] || null,
@@ -556,6 +557,7 @@ async function sendEmailAlerts() {
 			};
 		}
 		catch (error) {
+			logger.warn(`Failed to render e-mail for '${user.username}' with scenes ${userTriggers.map((trigger) => `${trigger.notificationId}: ${trigger.scene.id}`)}: ${error.message}`);
 			return null;
 		}
 	})).then((allEmails) => allEmails.filter(Boolean));