Tidy up service test fixtures and type assertions.

- scoreboardService·statsService 테스트에서 날짜 리터럴에 DateString 타입 단언을 추가해 타입 안정성을 보정했습니다.
- chatToolService·gameSyncService 테스트의 사소한 픽스처/단언을 정리했습니다.

tests/services/chatToolService.test.ts

@@ -73,7 +73,7 @@ describe("chatToolService", () => {
       expect(pickTeam({ team: "ZZ" }, ctx)).toBe(TeamCode.HH);
     });
     it("컨텍스트 팀도 없으면 null", () => {
-      expect(pickTeam({}, { teamCode: null, date: ctx.date })).toBeNull();
+      expect(pickTeam({}, { uid: ctx.uid, teamCode: null, date: ctx.date })).toBeNull();
     });
   });
 

tests/services/gameSyncService.test.ts

@@ -23,6 +23,8 @@ function baseGame(overrides: Partial<ScheduleGame> = {}): ScheduleGame {
     broadcast: "KN-T",
     note: "-",
     gameId: "20260412HTLG0",
+    awayStartingPitcher: null,
+    homeStartingPitcher: null,
     ...overrides,
   };
 }

tests/services/scoreboardService.test.ts

@@ -8,7 +8,7 @@ import {
   precomputeScoreboardCache,
   snapshotRankForUser,
 } from "../../src/services/rankSnapshotService";
-import { todayKst } from "../../src/types/dateString";
+import { todayKst, type DateString } from "../../src/types/dateString";
 import { TeamCode, type RankSnapshot } from "../../src/types/panit";
 
 interface SeedUser {
@@ -48,7 +48,7 @@ describe("scoreboardService.getScoreboard", () => {
           uid: `u${i}`,
           displayName: `유저${i}`,
           tierPoints: i * 10,
-          rankSnapshot: { date: "2026-04-21", overall: 20 - i },
+          rankSnapshot: { date: "2026-04-21" as DateString, overall: 20 - i },
         });
       }
       await precomputeScoreboardCache(todayKst());
@@ -142,7 +142,7 @@ describe("scoreboardService.getScoreboard", () => {
         displayName: "LG1",
         tierPoints: 100,
         favoriteTeamCode: TeamCode.LG,
-        rankSnapshot: { date: "2026-04-21", overall: 5, team: 3, teamCode: TeamCode.LG },
+        rankSnapshot: { date: "2026-04-21" as DateString, overall: 5, team: 3, teamCode: TeamCode.LG },
       });
       await seedUser({
         uid: "lg2",
@@ -161,7 +161,7 @@ describe("scoreboardService.getScoreboard", () => {
         displayName: "나",
         tierPoints: 80,
         favoriteTeamCode: TeamCode.LG,
-        rankSnapshot: { date: "2026-04-21", overall: 7, team: 5, teamCode: TeamCode.LG },
+        rankSnapshot: { date: "2026-04-21" as DateString, overall: 7, team: 5, teamCode: TeamCode.LG },
       });
       await precomputeScoreboardCache(todayKst());
 
@@ -181,7 +181,7 @@ describe("scoreboardService.getScoreboard", () => {
         displayName: "나",
         tierPoints: 80,
         favoriteTeamCode: TeamCode.NC,
-        rankSnapshot: { date: "2026-04-21", overall: 1, team: 1, teamCode: TeamCode.LG },
+        rankSnapshot: { date: "2026-04-21" as DateString, overall: 1, team: 1, teamCode: TeamCode.LG },
       });
       await precomputeScoreboardCache(todayKst());
 
@@ -240,7 +240,7 @@ describe("rankSnapshotService.snapshotRankForUser", () => {
       tierPoints: 150, favoriteTeamCode: TeamCode.KT,
     });
 
-    await snapshotRankForUser("b", "2026-04-22");
+    await snapshotRankForUser("b", "2026-04-22" as DateString);
 
     const doc = await firestore.collection("users").doc("b").get();
     const snap = doc.data()!.rankSnapshot as RankSnapshot;
@@ -258,7 +258,7 @@ describe("rankSnapshotService.snapshotRankForUser", () => {
       tierPoints: 0,
     });
 
-    await snapshotRankForUser("zero", "2026-04-22");
+    await snapshotRankForUser("zero", "2026-04-22" as DateString);
 
     const doc = await firestore.collection("users").doc("zero").get();
     expect(doc.data()!.rankSnapshot).toBeUndefined();
@@ -270,7 +270,7 @@ describe("rankSnapshotService.snapshotRankForUser", () => {
       tierPoints: 50,
     });
 
-    await snapshotRankForUser("solo", "2026-04-22");
+    await snapshotRankForUser("solo", "2026-04-22" as DateString);
 
     const doc = await firestore.collection("users").doc("solo").get();
     const snap = doc.data()!.rankSnapshot as RankSnapshot;

tests/services/statsService.test.ts

@@ -193,7 +193,7 @@ describe("statsService.getStats — 캐시 forDate 검증", () => {
       weeklyPredictions: 0,
       currentLevel: 1,
       progress: 0,
-      tier: "Bronze",
+      tier: "bronze",
       tierPoints: 0,
       tickets: { dailyAllKill: 0, weeklyMaster: 0 },
       updatedAt: Date.now(),
@@ -220,7 +220,7 @@ describe("statsService.getStats — 캐시 forDate 검증", () => {
       weeklyPredictions: 0,
       currentLevel: 1,
       progress: 0,
-      tier: "Bronze",
+      tier: "bronze",
       tierPoints: 0,
       tickets: { dailyAllKill: 0, weeklyMaster: 0 },
       updatedAt: Date.now() - 86_400_000,