feat(notifications): include federated chat messages and invitations

backend/db/schema/notifications_items.ts

@@ -5,7 +5,9 @@ import {
     text,
     jsonb,
     timestamp,
+    index,
 } from "drizzle-orm/pg-core"
+import { sql } from "drizzle-orm"
 
 import { tenants } from "./tenants"
 import { authUsers } from "./auth_users"
@@ -48,7 +50,8 @@ export const notificationsItems = pgTable("notifications_items", {
 
     sentAt: timestamp("sent_at", { withTimezone: true }),
     readAt: timestamp("read_at", { withTimezone: true }),
-})
+}, t => ({ collaborationQueued: index("notifications_collaboration_queued").on(t.createdAt)
+    .where(sql`${t.status}='queued' AND ${t.eventType} IN ('collaboration.message.new','collaboration.room.invited')`) }))
 
 export type NotificationItem = typeof notificationsItems.$inferSelect
 export type NewNotificationItem = typeof notificationsItems.$inferInsert