feat: features 025-032 - favoritos, contatos, trabalhe-conosco, area-cliente, navbar, hero-light-dark, performance-homepage

- feat(025): favoritos locais com FavoritesContext, HeartButton, PublicFavoritesPage
- feat(026): central de contatos admin (leads/contatos unificados)
- feat(027): configuração da página de contato via admin
- feat(028): trabalhe conosco - candidaturas com upload e admin
- feat(029): UX área do cliente - visitas, comparação, perfil
- feat(030): navbar UX - menu mobile, ThemeToggle, useFavorites
- feat(031): hero light/dark - imagens separadas por tema, upload, preview, seed
- feat(032): performance homepage - Promise.all parallel fetches, sessionStorage cache,
  preload hero image, loading=lazy nos cards, useInView hook, will-change carrossel,
  keyframes em index.css, AgentsCarousel e HomeScrollScene via props
- fix: light mode HomeScrollScene - gradiente, cores de texto, scroll hint

migrations: g1h2i3j4k5l6 (source em leads), h1i2j3k4l5m6 (contact_config),
            i1j2k3l4m5n6 (job_applications), j2k3l4m5n6o7 (hero theme images)

backend/seeds/seed.py

@@ -694,6 +694,9 @@ def seed() -> None:
                 hero_cta_label="Ver Imóveis",
                 hero_cta_url="/imoveis",
                 featured_properties_limit=6,
+                hero_image_url="https://images.unsplash.com/photo-1600607687939-ce8a6c25118c?auto=format&fit=crop&w=1920&q=80",
+                hero_image_light_url="https://images.unsplash.com/photo-1600585154526-990dced4db0d?auto=format&fit=crop&w=1920&q=80",
+                hero_image_dark_url="https://images.unsplash.com/photo-1600607687644-aac4c3eac7f4?auto=format&fit=crop&w=1920&q=80",
             )
         )
 
@@ -775,6 +778,50 @@ def seed() -> None:
         db.session.commit()
         print(f"Admin: {ADMIN_EMAIL}")
 
+        # ── Generic admin (credenciais simples para demo) ────────────────────
+        GENERIC_ADMIN_EMAIL = "admin@demo.com"
+        GENERIC_ADMIN_PASSWORD = "admin1234"
+        gadmin = ClientUser.query.filter_by(email=GENERIC_ADMIN_EMAIL).first()
+        if not gadmin:
+            gadmin = ClientUser(
+                name="Admin Demo",
+                email=GENERIC_ADMIN_EMAIL,
+                password_hash=bcrypt.hashpw(
+                    GENERIC_ADMIN_PASSWORD.encode(), bcrypt.gensalt()
+                ).decode(),
+                role="admin",
+            )
+            db.session.add(gadmin)
+        else:
+            gadmin.password_hash = bcrypt.hashpw(
+                GENERIC_ADMIN_PASSWORD.encode(), bcrypt.gensalt()
+            ).decode()
+            gadmin.role = "admin"
+        db.session.commit()
+        print(f"Generic admin: {GENERIC_ADMIN_EMAIL}")
+
+        # ── Demo user (sem acesso admin) ─────────────────────────────────────
+        DEMO_EMAIL = "usuario@demo.com"
+        DEMO_PASSWORD = "demo1234"
+        demo = ClientUser.query.filter_by(email=DEMO_EMAIL).first()
+        if not demo:
+            demo = ClientUser(
+                name="Usuário Demo",
+                email=DEMO_EMAIL,
+                password_hash=bcrypt.hashpw(
+                    DEMO_PASSWORD.encode(), bcrypt.gensalt()
+                ).decode(),
+                role="user",
+            )
+            db.session.add(demo)
+        else:
+            demo.password_hash = bcrypt.hashpw(
+                DEMO_PASSWORD.encode(), bcrypt.gensalt()
+            ).decode()
+            demo.role = "user"
+        db.session.commit()
+        print(f"Demo user: {DEMO_EMAIL}")
+
         total_amenities = sum(len(v) for v in AMENITIES.values())
         total_types = sum(1 + len(c["subtypes"]) for c in PROPERTY_TYPES)
         total_cities = len(LOCATIONS)