fix: 모든 토너먼트 writer의 source revision을 원자화

API store뿐 아니라 월 자동 개막과 runtime clock shift도 공통 Lua writer를 사용한다. 프로필 초기화 시 revision key도 함께 제거한다.

packages/common/src/index.ts

@@ -14,6 +14,7 @@ export * from './util/TournamentRNG.js';
 export * from './util/sha512.js';
 export * from './util/parse.js';
 export * from './tournament/autoStart.js';
+export * from './tournament/sourceRevision.js';
 export * from './turnDaemon/types.js';
 export * from './realtime/keys.js';
 export * from './realtime/types.js';

packages/common/src/tournament/autoStart.ts

@@ -1,4 +1,5 @@
 import { asRecord } from '../util/parse.js';
+import { writeTournamentProjection } from './sourceRevision.js';
 
 interface TournamentState {
     stage: number;
@@ -21,7 +22,8 @@ interface TournamentState {
 
 interface RedisClientLike {
     get(key: string): Promise<string | null>;
-    set(key: string, value: string): Promise<unknown>;
+    eval(script: string, options: { keys: string[]; arguments: string[] }): Promise<unknown>;
+    publish?(channel: string, message: string): Promise<unknown>;
 }
 
 const safeJsonParse = <T>(raw: string | null): T | null => {
@@ -40,6 +42,8 @@ const buildTournamentKeys = (profileName: string) => ({
     participantsKey: `sammo:${profileName}:tournament:participants`,
     matchesKey: `sammo:${profileName}:tournament:matches`,
     bettingKey: `sammo:${profileName}:tournament:betting`,
+    sourceRevisionKey: `sammo:${profileName}:tournament:source-revision`,
+    sourceRevisionChannel: `sammo:${profileName}:tournament:source-changed`,
 });
 
 const resolveTermSeconds = (tickSeconds: number): number => {
@@ -99,10 +103,12 @@ export const createTournamentAutoStartHandler = (options: {
             lastErrorAt: undefined,
         };
 
-        await redis.set(keys.participantsKey, '[]');
-        await redis.set(keys.matchesKey, '[]');
-        await redis.set(keys.bettingKey, '[]');
-        await redis.set(keys.stateKey, JSON.stringify(nextState));
+        await writeTournamentProjection(redis, keys, [
+            { key: keys.participantsKey, value: [] },
+            { key: keys.matchesKey, value: [] },
+            { key: keys.bettingKey, value: [] },
+            { key: keys.stateKey, value: nextState },
+        ]);
     };
 
     return {
@@ -110,4 +116,4 @@ export const createTournamentAutoStartHandler = (options: {
             void triggerAutoStart(context.currentYear, context.currentMonth);
         },
     };
-};
+};

packages/common/src/tournament/sourceRevision.ts

@@ -0,0 +1,74 @@
+export interface TournamentSourceKeys {
+    sourceRevisionKey: string;
+    sourceRevisionChannel: string;
+}
+
+export interface TournamentProjectionRedis {
+    eval(script: string, options: { keys: string[]; arguments: string[] }): Promise<unknown>;
+    publish?(channel: string, message: string): Promise<unknown>;
+}
+
+export interface TournamentProjectionWrite {
+    key: string;
+    value: unknown;
+}
+
+const WRITE_TOURNAMENT_PROJECTION_SCRIPT = `
+local revision_key = KEYS[#KEYS]
+local current = redis.call('GET', revision_key)
+if current then
+    if not string.match(current, '^%d+$') then
+        return redis.error_reply('invalid tournament source revision')
+    end
+    if string.len(current) > 18 then
+        return redis.error_reply('tournament source revision exhausted')
+    end
+end
+for index = 1, #KEYS - 1 do
+    redis.call('SET', KEYS[index], ARGV[index])
+end
+local revision = redis.call('INCR', revision_key)
+return tostring(revision)
+`;
+
+export const parseTournamentSourceRevision = (value: unknown): string | null => {
+    if (typeof value === 'number') {
+        return Number.isSafeInteger(value) && value >= 0 ? String(value) : null;
+    }
+    if (typeof value === 'bigint') {
+        return value >= 0n ? value.toString() : null;
+    }
+    return typeof value === 'string' && /^(?:0|[1-9]\d*)$/u.test(value) ? value : null;
+};
+
+/** Atomically stores one or more tournament payloads and advances one profile head. */
+export const writeTournamentProjection = async (
+    redis: TournamentProjectionRedis,
+    keys: TournamentSourceKeys,
+    writes: readonly TournamentProjectionWrite[]
+): Promise<string> => {
+    if (writes.length === 0) {
+        throw new Error('Tournament projection write must contain at least one payload.');
+    }
+    if (new Set(writes.map(({ key }) => key)).size !== writes.length) {
+        throw new Error('Tournament projection write keys must be unique.');
+    }
+
+    const result = await redis.eval(WRITE_TOURNAMENT_PROJECTION_SCRIPT, {
+        keys: [...writes.map(({ key }) => key), keys.sourceRevisionKey],
+        arguments: writes.map(({ value }) => JSON.stringify(value)),
+    });
+    const sourceRevision = parseTournamentSourceRevision(result);
+    if (sourceRevision === null) {
+        throw new Error('토너먼트 source revision 갱신 결과가 올바르지 않습니다.');
+    }
+
+    if (redis.publish) {
+        try {
+            await redis.publish(keys.sourceRevisionChannel, JSON.stringify({ sourceRevision }));
+        } catch {
+            // Payload and revision are committed; publication remains best effort.
+        }
+    }
+    return sourceRevision;
+};