refactor: 위임만 하는 UseCase 6개 제거 (Phase F, 21 → 15)

Projects/App/Sources/AppDIContainer.swift

@@ -197,7 +197,7 @@ final class AppDIContainer {
         getCurrentLocationUseCase: any GetCurrentLocationUseCase
     ) -> any SettingsCoordinatorBuildable {
         SettingsDIContainer(
-            getUserProfileUseCase: DefaultGetUserProfileUseCase(userRepository: userRepository),
+            userRepository: userRepository,
             logoutUseCase: makeLogoutUseCase(),
             withdrawUseCase: makeWithdrawUseCase(),
             updateHomeAddressUseCase: DefaultUpdateHomeAddressUseCase(
@@ -276,15 +276,13 @@ final class AppDIContainer {
                 activityPort: liveActivityPort,
                 sessionStore: alarmSessionStore
             ),
-            // 세션 스트림은 소유자(Store)가 제공한다 — AlarmSyncService는 사건 채널만.
-            observeAlarmUseCase: DefaultObserveAlarmUseCase(events: alarmSessionStore),
-            observeAlarmChangeUseCase: DefaultObserveAlarmChangeUseCase(events: alarmChangePresenter),
+            // 세션 스트림은 소유자(Store)가, 변경 사건은 Presenter가 제공한다.
+            alarmSyncEvents: alarmSessionStore,
+            alarmChangeEvents: alarmChangePresenter,
             // 홈 pull-to-refresh(Phase 16) — 4번째 트리거도 같은 동기화 한 곳으로 합류한다.
-            requestAlarmSyncUseCase: DefaultRequestAlarmSyncUseCase(requesting: alarmSyncService),
+            alarmSyncRequesting: alarmSyncService,
             // 재실행 카드 복원(Phase 14) — 기존 미사용 자산(detail 엔드포인트) 재활용.
-            getLastRouteDetailUseCase: DefaultGetLastRouteDetailUseCase(
-                repository: lastRouteRepository
-            ),
+            lastRouteRepository: lastRouteRepository,
             // 원탭 칩(Phase 18) — 검색 화면과 같은 인스턴스 공유(위 주석 참조).
             searchLastRoutesUseCase: searchLastRoutes,
             recentSearchesUseCase: recentSearches,

Projects/Feature/Home/Example/ExampleApp.swift

@@ -39,10 +39,10 @@ final class SceneDelegate: UIResponder, UIWindowSceneDelegate {
             reverseGeocodeUseCase: PreviewReverseGeocodeUseCase(),
             registerAlarmUseCase: PreviewRegisterAlarmUseCase(),
             cancelAlarmUseCase: PreviewCancelAlarmUseCase(),
-            observeAlarmUseCase: PreviewObserveAlarmUseCase(),
-            observeAlarmChangeUseCase: PreviewObserveAlarmChangeUseCase(),
-            requestAlarmSyncUseCase: PreviewRequestAlarmSyncUseCase(),
-            getLastRouteDetailUseCase: PreviewGetLastRouteDetailUseCase(),
+            alarmSyncEvents: PreviewAlarmSyncEvents(),
+            alarmChangeEvents: PreviewAlarmChangeEvents(),
+            alarmSyncRequesting: PreviewAlarmSyncRequesting(),
+            lastRouteRepository: PreviewLastRouteRepository(),
             searchLastRoutesUseCase: PreviewSearchLastRoutesUseCase(),
             recentSearchesUseCase: PreviewRecentSearchesUseCase(),
             searchCoordinatorBuildable: PreviewSearchCoordinatorBuildable()
@@ -89,33 +89,36 @@ struct PreviewCancelAlarmUseCase: CancelAlarmUseCase {
 }
 
 /// 등록된 알람이 없는 서버 상태를 흉내 낸다 — 동기화 이벤트가 오지 않으므로 화면을 건드리지 않는다.
-struct PreviewObserveAlarmUseCase: ObserveAlarmUseCase {
-    func execute() -> AsyncStream<AlarmSyncUpdate> {
+struct PreviewAlarmSyncEvents: AlarmSyncEvents {
+    func updates() -> AsyncStream<AlarmSyncUpdate> {
         AsyncStream { _ in }
     }
 }
 
 /// 수동 갱신(pull-to-refresh) 스텁 — 잠깐 도는 스피너만 흉내 낸다(결과 스트림 없음).
-struct PreviewRequestAlarmSyncUseCase: RequestAlarmSyncUseCase {
-    func execute() async {
+struct PreviewAlarmSyncRequesting: AlarmSyncRequesting {
+    func syncNow() async {
         try? await Task.sleep(for: .milliseconds(600))
     }
 }
 
 /// 막차 변경 판정이 없는 상태를 흉내 낸다 — 토스트·배너 강조는 발생하지 않는다.
-struct PreviewObserveAlarmChangeUseCase: ObserveAlarmChangeUseCase {
-    func execute() -> AsyncStream<AlarmChangeVerdict> {
+struct PreviewAlarmChangeEvents: AlarmChangeEvents {
+    func changes() -> AsyncStream<AlarmChangeVerdict> {
         AsyncStream { _ in }
     }
 }
 
 /// 재실행 카드 복원 경로 스텁 — 동기화 이벤트가 없어 호출되지 않지만, 호출돼도
 /// canned 경로를 돌려줘 플로우가 성립한다.
-struct PreviewGetLastRouteDetailUseCase: GetLastRouteDetailUseCase {
-    func execute(routeId: String) async throws -> LastRoute {
+struct PreviewLastRouteRepository: LastRouteRepository {
+    func lastRoute(id: String) async throws -> LastRoute {
         try? await Task.sleep(for: .milliseconds(300))
         return PreviewSearchCoordinator.makeCannedRoute()
     }
+
+    // 홈 프리뷰는 상세 조회만 쓴다.
+    func searchLastRoutes(start: Coordinate, end: Coordinate) async throws -> [LastRoute] { [] }
 }
 
 /// 원탭 칩 재검색 스텁(Phase 18) — canned 경로 1건을 돌려줘 칩 탭 → 카드 시연이 성립한다.

Projects/Feature/Home/Sources/HomeDIContainer.swift

@@ -13,10 +13,10 @@ public final class HomeDIContainer: HomeCoordinatorBuildable {
     private let reverseGeocodeUseCase: any ReverseGeocodeUseCase
     private let registerAlarmUseCase: any RegisterAlarmUseCase
     private let cancelAlarmUseCase: any CancelAlarmUseCase
-    private let observeAlarmUseCase: any ObserveAlarmUseCase
-    private let observeAlarmChangeUseCase: any ObserveAlarmChangeUseCase
-    private let requestAlarmSyncUseCase: any RequestAlarmSyncUseCase
-    private let getLastRouteDetailUseCase: any GetLastRouteDetailUseCase
+    private let alarmSyncEvents: any AlarmSyncEvents
+    private let alarmChangeEvents: any AlarmChangeEvents
+    private let alarmSyncRequesting: any AlarmSyncRequesting
+    private let lastRouteRepository: any LastRouteRepository
     private let searchLastRoutesUseCase: any SearchLastRoutesUseCase
     private let recentSearchesUseCase: any RecentSearchesUseCase
     private let searchCoordinatorBuildable: any SearchCoordinatorBuildable
@@ -28,10 +28,10 @@ public final class HomeDIContainer: HomeCoordinatorBuildable {
         reverseGeocodeUseCase: any ReverseGeocodeUseCase,
         registerAlarmUseCase: any RegisterAlarmUseCase,
         cancelAlarmUseCase: any CancelAlarmUseCase,
-        observeAlarmUseCase: any ObserveAlarmUseCase,
-        observeAlarmChangeUseCase: any ObserveAlarmChangeUseCase,
-        requestAlarmSyncUseCase: any RequestAlarmSyncUseCase,
-        getLastRouteDetailUseCase: any GetLastRouteDetailUseCase,
+        alarmSyncEvents: any AlarmSyncEvents,
+        alarmChangeEvents: any AlarmChangeEvents,
+        alarmSyncRequesting: any AlarmSyncRequesting,
+        lastRouteRepository: any LastRouteRepository,
         searchLastRoutesUseCase: any SearchLastRoutesUseCase,
         recentSearchesUseCase: any RecentSearchesUseCase,
         searchCoordinatorBuildable: any SearchCoordinatorBuildable,
@@ -41,10 +41,10 @@ public final class HomeDIContainer: HomeCoordinatorBuildable {
         self.reverseGeocodeUseCase = reverseGeocodeUseCase
         self.registerAlarmUseCase = registerAlarmUseCase
         self.cancelAlarmUseCase = cancelAlarmUseCase
-        self.observeAlarmUseCase = observeAlarmUseCase
-        self.observeAlarmChangeUseCase = observeAlarmChangeUseCase
-        self.requestAlarmSyncUseCase = requestAlarmSyncUseCase
-        self.getLastRouteDetailUseCase = getLastRouteDetailUseCase
+        self.alarmSyncEvents = alarmSyncEvents
+        self.alarmChangeEvents = alarmChangeEvents
+        self.alarmSyncRequesting = alarmSyncRequesting
+        self.lastRouteRepository = lastRouteRepository
         self.searchLastRoutesUseCase = searchLastRoutesUseCase
         self.recentSearchesUseCase = recentSearchesUseCase
         self.searchCoordinatorBuildable = searchCoordinatorBuildable
@@ -67,10 +67,10 @@ public final class HomeDIContainer: HomeCoordinatorBuildable {
             reverseGeocodeUseCase: reverseGeocodeUseCase,
             registerAlarmUseCase: registerAlarmUseCase,
             cancelAlarmUseCase: cancelAlarmUseCase,
-            observeAlarmUseCase: observeAlarmUseCase,
-            observeAlarmChangeUseCase: observeAlarmChangeUseCase,
-            requestAlarmSyncUseCase: requestAlarmSyncUseCase,
-            getLastRouteDetailUseCase: getLastRouteDetailUseCase,
+            alarmSyncEvents: alarmSyncEvents,
+            alarmChangeEvents: alarmChangeEvents,
+            alarmSyncRequesting: alarmSyncRequesting,
+            lastRouteRepository: lastRouteRepository,
             searchLastRoutesUseCase: searchLastRoutesUseCase,
             recentSearchesUseCase: recentSearchesUseCase
         )