Fix: Module-level API route setup for HF Spaces compatibility

app.py

@@ -1150,15 +1150,16 @@ with gr.Blocks(css=custom_css, theme="soft", title="Trek Asistanı", head=storag
     msg.submit(respond, [msg, chatbot], [msg, chatbot], show_progress=True)
     msg.submit(respond, [msg, chatbot], [msg, chatbot], show_progress=True)
 
-# API endpoints using Gradio's native mechanism
-# Gradio 4+ allows adding custom routes via blocks.load event
-
+# API endpoints - Module level setup
 from fastapi import Request
 from fastapi.responses import JSONResponse
 
-def setup_api_routes(app):
-    """Setup API routes on Gradio's FastAPI app"""
-    @app.get("/api/conversations")
+# Get Gradio's underlying FastAPI app (created when Blocks is defined)
+# In Gradio 5+, demo has .app attribute after the "with" block
+try:
+    gradio_app = demo.app
+    
+    @gradio_app.get("/api/conversations")
     async def get_conversations():
         try:
             from conversation_tracker import load_conversations
@@ -1170,7 +1171,7 @@ def setup_api_routes(app):
         except Exception as e:
             return JSONResponse(content={"error": str(e)}, status_code=500)
     
-    @app.get("/api/conversations/latest")
+    @gradio_app.get("/api/conversations/latest")
     async def get_latest_conversations():
         try:
             from conversation_tracker import load_conversations
@@ -1182,27 +1183,14 @@ def setup_api_routes(app):
         except Exception as e:
             return JSONResponse(content={"error": str(e)}, status_code=500)
     
-    print("✅ API routes added successfully")
+    print("✅ API routes added to Gradio app")
+except Exception as e:
+    print(f"⚠️ Could not add API routes: {e}")
 
-# Launch with route setup
 if __name__ == "__main__":
-    # Launch returns (local_url, share_url) but also sets up demo.app
     demo.launch(
         server_name="0.0.0.0",
         server_port=7860,
         share=False,
-        show_api=False,
-        prevent_thread_lock=True  # Don't block, we'll add routes then block
+        show_api=False
     )
-    
-    # Now add routes to the running app
-    if hasattr(demo, 'app') and demo.app:
-        setup_api_routes(demo.app)
-    
-    # Now block the main thread
-    import time
-    try:
-        while True:
-            time.sleep(3600)
-    except KeyboardInterrupt:
-        pass