phase 5 dynamic alert registry (bot canonical, settings-site with fallback)

routes/internalApi.js

@@ -4,6 +4,7 @@ const { ChannelType } = require('discord.js');
 const { CONFIG } = require('../config');
 const { applyConfigUpdates, readAllConfig } = require('../services/configPersistence');
 const { logSystem } = require('../services/debugLog');
+const { REGISTRY: NOTIFICATION_REGISTRY } = require('../services/notificationRegistry');
 
 const router = express.Router();
 
@@ -209,4 +210,9 @@ router.get('/restart/status', (req, res) => {
   res.json({ scheduledRestart: !!scheduledRestart });
 });
 
+// GET /notifications/alerts — canonical bot-side notification alert catalog
+router.get('/notifications/alerts', (req, res) => {
+  res.json(NOTIFICATION_REGISTRY);
+});
+
 module.exports = router;