Add guest auth and save-account flow

Introduce anonymous sign-in with in-app saving, guest recovery warnings, paywall prompts, and admin guest labeling.

apps/mobile/src/__tests__/stores/authStore.test.ts

@@ -15,6 +15,7 @@ describe('authStore', () => {
             partner: null,
             isLoading: true,
             isAuthenticated: false,
+            isAnonymous: false,
         } as any);
 
         useMatchStore.setState({ matches: [{ id: 'm1' }], newMatchesCount: 1 } as any);
@@ -31,9 +32,35 @@ describe('authStore', () => {
         const state = useAuthStore.getState();
         expect(state.user).toBeNull();
         expect(state.isAuthenticated).toBe(false);
+        expect(state.isAnonymous).toBe(false);
         expect(state.isLoading).toBe(false);
     });
 
+    it('sets isAnonymous from auth user', async () => {
+        (supabase.auth.getSession as jest.Mock).mockResolvedValueOnce({
+            data: { session: { user: { id: 'me' } } },
+        });
+
+        (supabase.auth.getUser as jest.Mock).mockResolvedValueOnce({
+            data: { user: { id: 'me', is_anonymous: true } },
+            error: null,
+        });
+
+        const profileQuery: any = {
+            select: jest.fn(() => profileQuery),
+            eq: jest.fn(() => profileQuery),
+            maybeSingle: jest.fn(async () => ({ data: { id: 'me', couple_id: null } })),
+        };
+
+        (supabase.from as jest.Mock).mockReturnValue(profileQuery);
+
+        await useAuthStore.getState().fetchUser();
+
+        const state = useAuthStore.getState();
+        expect(state.isAuthenticated).toBe(true);
+        expect(state.isAnonymous).toBe(true);
+    });
+
     it('clears stores and signs out when session invalid', async () => {
         (supabase.auth.getSession as jest.Mock).mockResolvedValueOnce({
             data: { session: { user: { id: 'me' } } },
@@ -50,51 +77,9 @@ describe('authStore', () => {
 
         expect(useAuthStore.getState().user).toBeNull();
         expect(useAuthStore.getState().isAuthenticated).toBe(false);
+        expect(useAuthStore.getState().isAnonymous).toBe(false);
 
-        expect(useMatchStore.getState().matches).toEqual([]);
-        expect(usePacksStore.getState().enabledPackIds).toEqual([]);
-        expect(useMessageStore.getState().unreadCount).toBe(0);
-        expect(useMessageStore.getState().activeMatchId).toBeNull();
-        expect(useSubscriptionStore.getState().subscription.isProUser).toBe(false);
-
-        expect(supabase.auth.signOut).toHaveBeenCalled();
-    });
-
-    it('fetches couple and partner when couple_id exists', async () => {
-        useAuthStore.setState({ user: { id: 'me', couple_id: 'c1' } } as any);
-
-        const couplesQuery: any = {
-            select: jest.fn(() => couplesQuery),
-            eq: jest.fn(() => couplesQuery),
-            maybeSingle: jest.fn(async () => ({ data: { id: 'c1' } })),
-        };
-
-        const partnerQuery: any = {
-            select: jest.fn(() => partnerQuery),
-            eq: jest.fn(() => partnerQuery),
-            neq: jest.fn(() => partnerQuery),
-            maybeSingle: jest.fn(async () => ({ data: { id: 'partner' } })),
-        };
-
-        (supabase.from as jest.Mock).mockImplementation((table: string) => {
-            if (table === 'couples') return couplesQuery;
-            if (table === 'profiles') return partnerQuery;
-            return couplesQuery;
-        });
-
-        await useAuthStore.getState().fetchCouple();
-
-        expect(useAuthStore.getState().couple).toEqual({ id: 'c1' });
-        expect(useAuthStore.getState().partner).toEqual({ id: 'partner' });
-    });
-
-    it('signOut clears local state even if Supabase fails', async () => {
-        (supabase.auth.signOut as jest.Mock).mockRejectedValueOnce(new Error('network'));
-
-        await useAuthStore.getState().signOut();
-
-        expect(useAuthStore.getState().user).toBeNull();
-        expect(useAuthStore.getState().isAuthenticated).toBe(false);
+        expect(useAuthStore.getState().isAnonymous).toBe(false);
         expect(useAuthStore.getState().isLoading).toBe(false);
     });
 });