refactor(game): invalidate field-level read-model projections

app/game-api/src/realtime/publisher.ts

@@ -1,5 +1,10 @@
 import type { RedisConnector } from '@sammo-ts/infra';
-import { buildGameEventChannel, type RealtimeEvent } from '@sammo-ts/common';
+import {
+    buildGameEventChannel,
+    buildGameReadModelRevisionKey,
+    type RealtimeEvent,
+    type RealtimeReadModelChanges,
+} from '@sammo-ts/common';
 
 // 게임 서버의 실시간 이벤트를 Redis pub/sub 채널로 송신한다.
 export const publishRealtimeEvent = async (
@@ -10,3 +15,18 @@ export const publishRealtimeEvent = async (
     const channel = buildGameEventChannel(profileName);
     await redis.publish(channel, JSON.stringify(event));
 };
+
+export const publishRealtimeReadModelChanges = async (
+    redis: RedisConnector['client'],
+    profileName: string,
+    changes: RealtimeReadModelChanges
+): Promise<number> => {
+    const revision = await redis.incr(buildGameReadModelRevisionKey(profileName));
+    await publishRealtimeEvent(redis, profileName, {
+        type: 'readModelChanged',
+        at: new Date().toISOString(),
+        changes,
+        revision,
+    });
+    return revision;
+};