Upload folder using huggingface_hub

main.py

@@ -68,14 +68,22 @@ async def chat_endpoint(request: ChatRequest):
 
     base_url = PROVIDER_BASES.get(request.provider, PROVIDER_BASES["Groq"])
 
+    # Build headers
+    headers = {
+        "Authorization": f"Bearer {api_key}",
+        "Content-Type": "application/json",
+    }
+
+    # OpenRouter needs extra headers for some models
+    if request.provider == "OpenRouter":
+        headers["HTTP-Referer"] = "https://augment17-logic-engine.hf.space"
+        headers["X-Title"] = "Manus Clone"
+
     try:
         async with httpx.AsyncClient(timeout=60) as client:
             resp = await client.post(
                 f"{base_url}/chat/completions",
-                headers={
-                    "Authorization": f"Bearer {api_key}",
-                    "Content-Type": "application/json",
-                },
+                headers=headers,
                 json={
                     "model": request.model,
                     "messages": [
@@ -88,7 +96,7 @@ async def chat_endpoint(request: ChatRequest):
             resp.raise_for_status()
             data = resp.json()
 
-            # Robust response extraction — different providers return different formats
+            # Robust response extraction
             reply = None
             try:
                 choices = data.get("choices", [])
@@ -99,7 +107,7 @@ async def chat_endpoint(request: ChatRequest):
             except (KeyError, IndexError, TypeError):
                 pass
 
-            # Fallback: some providers use different top-level keys
+            # Fallback keys
             if not reply:
                 reply = (
                     data.get("text")
@@ -110,9 +118,16 @@ async def chat_endpoint(request: ChatRequest):
                     or ""
                 )
 
-            # Last resort: dump the raw response so the user can see what came back
+            # Empty choices = model not found / not available
             if not reply:
-                reply = f"[Unexpected response format from {request.provider}]\n\nRaw: {json.dumps(data, indent=2)[:1000]}"
+                raise HTTPException(
+                    status_code=404,
+                    detail=(
+                        f"Model '{request.model}' returned an empty response from {request.provider}. "
+                        f"This usually means the model does not exist on {request.provider}'s API. "
+                        f"Try a different model or switch to OpenRouter which supports more models."
+                    )
+                )
 
             # Cache to Redis if available
             if REDIS_OK:
@@ -124,6 +139,8 @@ async def chat_endpoint(request: ChatRequest):
 
             return {"response": reply, "doc": True}
 
+    except HTTPException:
+        raise
     except httpx.HTTPStatusError as e:
         status = e.response.status_code
         try:

node3-ui/src/App.jsx

@@ -55,17 +55,18 @@ const MODELS = {
     'deepseek/deepseek-chat', 'deepseek/deepseek-coder', 'deepseek/deepseek-r1',
     'meta-llama/llama-3.3-70b-instruct', 'meta-llama/llama-3.1-405b-instruct',
     'x-ai/grok-2-1212', 'x-ai/grok-2-vision-1212',
-    'mistralai/mistral-large', 'mistralai/mixtral-8x22b-instruct'
+    'mistralai/mistral-large', 'mistralai/mixtral-8x22b-instruct',
+    'qwen/qwq-32b'
   ],
   Nvidia: [
     'minimaxai/minimax-m3', 'moonshotai/kimi-k2.6',
     'deepseek-ai/deepseek-v4-pro', 'z-ai/glm-5.1',
     'minimaxai/minimax-m1-40k', 'moonshotai/kimi-k2',
     'deepseek-ai/deepseek-r1-0528', 'z-ai/glm-4.5',
-    'nvidia/llama-3.1-nemotron-70b-instruct', 'meta/llama-3.1-405b-instruct',
-    'meta/llama-3.1-70b-instruct', 'mistralai/mistral-large-2-instruct',
-    'mistralai/mixtral-8x22b-instruct', 'google/gemma-2-27b-it',
-    'microsoft/phi-3-medium-128k-instruct', 'nvidia/nemotron-4-340b-instruct'
+    'nvidia/llama-3.1-nemotron-70b-instruct', 'nvidia/nemotron-4-340b-instruct',
+    'meta/llama-3.1-405b-instruct', 'meta/llama-3.1-70b-instruct',
+    'mistralai/mistral-large-2-instruct', 'mistralai/mixtral-8x22b-instruct',
+    'google/gemma-2-27b-it', 'microsoft/phi-3-medium-128k-instruct'
   ],
   Mistral: [
     'mistral-large-latest', 'mistral-large-2411', 'mistral-large-2407',