From cc69c3504947f5fccffa22e9488980d7bcf56258 Mon Sep 17 00:00:00 2001
From: Sn-Kinos <dony435@naver.com>
Date: Thu, 8 Oct 2026 20:15:35 +0900
Subject: [PATCH] =?UTF-8?q?=EA=B4=91=EA=B3=A0=20=EC=9D=BC=EC=9D=BC=20?=
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---
 app/firebase/functions/src/notify/inbox.ts | 2 ++
 app/firebase/functions/test/inbox.test.ts  | 5 +++++
 2 files changed, 7 insertions(+)

diff --git a/app/firebase/functions/src/notify/inbox.ts b/app/firebase/functions/src/notify/inbox.ts
index 6e75730..49c98c8 100644
--- a/app/firebase/functions/src/notify/inbox.ts
+++ b/app/firebase/functions/src/notify/inbox.ts
@@ -106,6 +106,8 @@ export async function notifyQuestDone(
   if (before && before.dayKey === after.dayKey && (before.count as number | undefined ?? 0) >= count) return false;
   const db = getFirestore();
   const [quest, user] = await Promise.all([db.doc(`quests/${questId}`).get(), db.doc(`users/${uid}`).get()]);
+  // 진행 문서에는 Quest 가 아닌 카운터도 있다(광고 일일 횟수 `questProgress/ad` 등) — Quest 문서가 없으면 알리지 않는다.
+  if (!quest.exists) return false;
   const title = localizedText(quest.get('title'), user.get('locale'));
   return notifyOnce(uid, `quest_${questId}_${String(after.dayKey)}_${count}`, {
     eventType: 'quest', type: 'essential',
diff --git a/app/firebase/functions/test/inbox.test.ts b/app/firebase/functions/test/inbox.test.ts
index 6219467..9c21876 100644
--- a/app/firebase/functions/test/inbox.test.ts
+++ b/app/firebase/functions/test/inbox.test.ts
@@ -59,6 +59,11 @@ it('영웅의 선물 발동은 회원 전원에게 발동자 닉네임으로', a
   expect(hero[0]!.fandomId).toBe(FANDOM);
 });
 
+it('Quest 문서가 없는 진행 카운터(광고 일일 횟수 ad)는 퀘스트 완료로 알리지 않는다', async () => {
+  expect(await notifyQuestDone(A, 'ad', undefined, { dayKey: '2026-10-08', count: 1 })).toBe(false);
+  expect((await inbox(A)).filter((n) => n.eventType === 'quest')).toHaveLength(0);
+});
+
 it('퀘스트 완료는 횟수가 오른 때만 본인에게, 상세 경로를 싣는다', async () => {
   const day = '2026-10-05';
   expect(await notifyQuestDone(A, 'test-inbox-quest', undefined, { dayKey: day, count: 1 })).toBe(true);