working room saves

apps/rooms/src/context.ts

@@ -1,5 +1,8 @@
 import type { HonoApp } from '@repo/hono-helpers'
 import type { SharedHonoEnv, SharedHonoVariables } from '@repo/hono-helpers/src/types'
+// Type-only import (erased at build) of the DO class owned by the `notify`
+// worker, so the cross-worker RPC stub is fully typed.
+import type { NotificationsHub } from '../../notify/src/notifications-hub'
 
 export type Env = SharedHonoEnv & {
 	// D1 database holding rooms (JSON blob + generated columns). See rooms-db.ts.
@@ -8,6 +11,9 @@ export type Env = SharedHonoEnv & {
 	// the caller's current room instance for the photon access token — the
 	// equivalent of the reference server's HeartbeatDB.GetPlayerHeartbeat.
 	RECFLARE_MATCH_PRESENCE: KVNamespace
+	// SignalR notifications hub (DO owned by the `notify` worker). Bound here to
+	// push RoomUpdate notifications when a room is mutated.
+	RECFLARE_NOTIFICATIONS_HUB: DurableObjectNamespace<NotificationsHub>
 }
 
 /** Variables can be extended */