update shape of room instance browser

apps/match/src/openapi.ts

@@ -95,6 +95,22 @@ export const RoomInstanceDto = z.object({
 	EncryptVoiceChat: z.boolean(),
 })
 
+/**
+ * One live instance in the owner's management listing (`GET /room/:roomId/instances`).
+ * Not the client `RoomInstanceDto`: it carries who's in there and drops the connection
+ * details (photon ids, data blob, room code) of a session the owner isn't in.
+ */
+export const RoomInstanceSummaryDto = z.object({
+	roomInstanceId: z.int(),
+	roomId: z.int(),
+	subRoomId: z.int().describe('Which subroom (scene) of the room this instance is'),
+	isFull: z.boolean(),
+	createdAt: z.string().describe('ISO 8601 UTC, stamped when the instance was created'),
+	playerIds: z
+		.array(z.int())
+		.describe('Accounts currently in the instance (live presence); empty when nobody is'),
+})
+
 /**
  * A player's presence as the client reads it (`GET /player`, `POST /player/heartbeat`).
  * `isOnline` means "has a live (unexpired) presence row", NOT "is in a room" — a player