Add podcast-only demo mode guards in app router setup

backend/app.py

@@ -48,6 +48,8 @@ load_dotenv(backend_dir / '.env')  # backend/.env
 load_dotenv(project_root / '.env')  # root .env (fallback)
 load_dotenv()  # CWD .env (fallback)
 
+PODCAST_ONLY_DEMO_MODE = os.getenv("PODCAST_ONLY_DEMO_MODE", "false").lower() in {"1", "true", "yes", "on"}
+
 # Set up clean logging for end users
 from logging_config import setup_clean_logging
 setup_clean_logging()
@@ -110,7 +112,8 @@ from services.startup_health import (
 # Import OAuth token monitoring routes
 from api.oauth_token_monitoring_routes import router as oauth_token_monitoring_router
 
-# Import SEO Dashboard endpoints
+if not PODCAST_ONLY_DEMO_MODE:
+    # Import SEO Dashboard endpoints only when non-demo features are enabled
     from api.seo_dashboard import (
         get_seo_dashboard_data,
         get_seo_health_score,
@@ -259,12 +262,17 @@ async def onboarding_status():
     return onboarding_manager.get_onboarding_status()
 
 # Include routers using modular utilities
+if not PODCAST_ONLY_DEMO_MODE:
     router_manager.include_core_routers()
     router_manager.include_optional_routers()
+else:
+    logger.info("PODCAST_ONLY_DEMO_MODE enabled: including only podcast and subscription feature routers.")
+    app.include_router(subscription_router)
 
 # Include assets serving router (must be mounted to serve generated images)
 app.include_router(assets_serving_router)
 
+if not PODCAST_ONLY_DEMO_MODE:
     # SEO Dashboard endpoints
     @app.get("/api/seo-dashboard/data")
     async def seo_dashboard_data():
@@ -332,8 +340,6 @@ async def refresh_analytics_data_endpoint(current_user: dict = Depends(get_curre
         """Refresh analytics data by invalidating cache and fetching fresh data."""
         return await refresh_analytics_data(current_user, site_url)
 
-
-
     @app.get("/api/seo-dashboard/onboarding-task-health")
     async def onboarding_task_health_endpoint(current_user: dict = Depends(get_current_user), site_url: str = None):
         """Get consolidated health for onboarding-scheduled SEO tasks."""
@@ -347,31 +353,17 @@ async def seo_dashboard_health():
     # Phase 2B: Semantic health monitoring endpoint (24-hour polling)
     @app.get("/api/seo-dashboard/semantic-health")
     async def semantic_health_endpoint(current_user: dict = Depends(get_current_user)):
-    """
-    Get real-time semantic health metrics for content and competitors.
-    This endpoint provides Phase 2B semantic intelligence monitoring data.
-    
-    Returns semantic health score, status, and recommendations.
-    Data is cached and updated every 24 hours via scheduler.
-    """
+        """Get real-time semantic health metrics for content and competitors."""
         return await get_semantic_health(current_user)
 
-
     @app.get("/api/seo-dashboard/cache-stats")
     async def semantic_cache_stats_endpoint(current_user: dict = Depends(get_current_user)):
-    """
-    Get semantic cache performance statistics.
-    Returns hit rate, memory usage, and eviction counts.
-    """
+        """Get semantic cache performance statistics."""
         return await get_semantic_cache_stats(current_user)
 
-
     @app.get("/api/seo-dashboard/sif-health")
     async def sif_indexing_health_endpoint(current_user: dict = Depends(get_current_user)):
-    """
-    Get SIF indexing health summary for the current user.
-    Used by the Semantic Indexing Status widget on the dashboard.
-    """
+        """Get SIF indexing health summary for the current user."""
         return await get_sif_indexing_health(current_user)
 
     # Comprehensive SEO Analysis endpoints
@@ -424,6 +416,7 @@ app.include_router(content_assets_router)
 from api.podcast.router import router as podcast_router
 app.include_router(podcast_router)
 
+if not PODCAST_ONLY_DEMO_MODE:
     # Include YouTube Creator Studio router
     from api.youtube.router import router as youtube_router
     app.include_router(youtube_router, prefix="/api")