feat(recommendations): collect demographics and advance age cohorts

apps/web/src/test/fakeApi.ts

@@ -70,6 +70,7 @@ export function makeUser(username: string, role: Role, extra: Partial<FakeUser>
  */
 export function fakeApi(initial: FakeUser[]) {
   const users = new Map(initial.map((u) => [u.id, { ...u }]));
+  const onboarding = new Map<string, components['schemas']['OnboardingChoice'] | null>();
   const prefs = new Map<string, components['schemas']['UiPrefs']>();
   let current: string | null = null; // id вошедшего (одна сессия на тест)
   let token = 0;
@@ -206,7 +207,10 @@ export function fakeApi(initial: FakeUser[]) {
       case 'POST /api/v1/uploads/seen':
         return new Response(null, { status: 204 });
       case 'GET /api/v1/onboarding':
-        return json({ required: false, artists: [], genres: [] });
+        return json({ required: onboarding.get(user!.id) === null, artists: [], genres: [], choice: onboarding.get(user!.id) ?? undefined });
+      case 'PUT /api/v1/me/onboarding':
+        onboarding.set(user!.id, body as components['schemas']['OnboardingChoice']);
+        return new Response(null, { status: 204 });
       case 'GET /api/v1/me/likes':
       case 'GET /api/v1/me/dislikes':
       case 'GET /api/v1/me/history':
@@ -285,8 +289,10 @@ export function fakeApi(initial: FakeUser[]) {
       case `GET /api/v1/artists/${kino.id}/albums`:
         return json({ items: [albumSummary] });
     }
-    if (req.method === 'POST' && /^\/api\/v1\/admin\/users\/[^/]+\/reset-recommendations$/.test(path))
+    if (req.method === 'POST' && /^\/api\/v1\/admin\/users\/[^/]+\/reset-recommendations$/.test(path)) {
+      onboarding.set(path.split('/')[5]!, null);
       return new Response(null, { status: 204 });
+    }
     const userPath = /^\/api\/v1\/admin\/users\/([^/]+)$/.exec(path);
     if (userPath && req.method === 'PATCH') {
       if (!user || user.role === 'user') return problem(403, 'auth.forbidden');