Added a theme selector

backend/app/api/public.py

@@ -6,6 +6,7 @@ from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
 
 from backend.app.services.link_service import list_public_links, list_public_users
 from backend.app.services.token_service import validate_token
+from backend.app.services.theme_service import THEMES, get_enabled_themes
 
 router = APIRouter()
 optional_bearer = HTTPBearer(auto_error=False)
@@ -16,6 +17,12 @@ def public_users():
     return list_public_users()
 
 
+@router.get('/themes')
+def public_themes():
+    enabled = get_enabled_themes()
+    return [{'id': theme, **THEMES[theme]} for theme in enabled]
+
+
 @router.get('/feed')
 @router.get('/feed/{username}')
 def public_feed(