가입 약관 동의 기록 · 서비스 탈퇴 · 온보딩 6단계 · Coach Mark

app/lib/core/router/app_router.dart

@@ -7,8 +7,10 @@ import '../theme/tokens.dart';
 import '../ui/app_icons.dart';
 import '../../features/auth/auth_repository.dart';
 import '../../features/auth/login_screen.dart';
+import '../../features/auth/onboarding_screens.dart';
 import '../../features/auth/signup_screens.dart';
 import '../../features/galaxy/galaxy_home_screen.dart';
+import '../../features/home/coach_mark.dart';
 import '../../features/home/home_screen.dart';
 import '../../features/inside/inside_screen.dart';
 import '../../features/my/my_screen.dart';
@@ -79,11 +81,15 @@ List<AppTab> visibleTabs(FeatureFlags flags) => [
 
 const String loginPath = '/login';
 const String signupCompletePath = '/welcome';
+const String introPath = '/intro';
+const String onboardingPath = '/onboarding';
 
-/// 5탭 셸 라우트 + 온보딩(로그인) 라우트.
+/// 5탭 셸 라우트 + 온보딩 라우트.
 ///
-/// 온보딩 나머지 화면(S-A-INTRO · S-A-TERMS · S-A-PROFILE · S-A-ARTIST ·
-/// S-A-PLANET-NEW · S-A-PERMS)은 3주차 범위라 아직 라우트가 없다.
+/// 온보딩 6단계(10/3 통합회신 1항): ① 소개 3장([introPath], 첫 실행 · 로그인 전) → 로그인 →
+/// ②~⑥ 약관 · 프로필 · 관심 아티스트 · 행성 가입/성운 생성 · 권한 안내([onboardingPath]) →
+/// 가입 완료([signupCompletePath]) → HOME(Coach Mark). 서버에 약관 동의가 없는 계정은
+/// 「로그인」 버튼으로 들어왔어도 셸로 가지 못하고 [onboardingPath] 로 간다.
 GoRouter buildRouter(AuthRepository auth, {Repositories? repositories}) {
   // 저장소 선택은 앱이 뜰 때 한 번만 한다. 탭을 옮길 때마다 다시 만들면
   // Firestore 커서 같은 화면 상태가 매번 초기화된다.
@@ -95,11 +101,23 @@ GoRouter buildRouter(AuthRepository auth, {Repositories? repositories}) {
     refreshListenable: auth,
     redirect: (context, state) {
       final at = state.matchedLocation;
-      if (!auth.isSignedIn) return at == loginPath ? null : loginPath;
+      if (!auth.isSignedIn) {
+        final entry = auth.introPending ? introPath : loginPath;
+        return at == entry ? null : entry;
+      }
+      if (auth.onboarding != OnboardingGate.done) {
+        return at == onboardingPath ? null : onboardingPath;
+      }
       if (auth.justSignedUp)
         return at == signupCompletePath ? null : signupCompletePath;
-      if (at == loginPath || at == signupCompletePath)
+      if (const [
+        loginPath,
+        signupCompletePath,
+        introPath,
+        onboardingPath,
+      ].contains(at)) {
         return appTabs.first.path;
+      }
       return null;
     },
     routes: [
@@ -107,6 +125,24 @@ GoRouter buildRouter(AuthRepository auth, {Repositories? repositories}) {
         path: loginPath,
         builder: (_, _) => LoginScreen(auth: auth),
       ),
+      GoRoute(
+        path: introPath,
+        builder: (_, _) => IntroScreen(onDone: auth.finishIntro),
+      ),
+      GoRoute(
+        path: onboardingPath,
+        builder: (_, _) => ListenableBuilder(
+          listenable: auth,
+          builder: (_, _) => auth.onboarding == OnboardingGate.checking
+              ? const Scaffold(body: Center(child: CircularProgressIndicator()))
+              : OnboardingFlow(
+                  auth: auth,
+                  repository: repos.onboarding,
+                  home: repos.home,
+                  push: repos.push,
+                ),
+        ),
+      ),
       GoRoute(
         path: signupCompletePath,
         builder: (_, _) => SignupCompleteScreen(onStart: auth.finishSignup),
@@ -230,7 +266,13 @@ class AppShell extends StatelessWidget {
               ),
               destinations: [
                 for (final tab in tabs)
-                  NavigationDestination(icon: tab.icon, label: tab.label),
+                  NavigationDestination(
+                    // Coach Mark ② 가 MY 위치를 가리킨다(coach_mark.dart).
+                    icon: tab.path == appTabs.last.path
+                        ? KeyedSubtree(key: coachMyTabKey, child: tab.icon)
+                        : tab.icon,
+                    label: tab.label,
+                  ),
               ],
             ),
           ),