Fix HF API ERROR

app.py

@@ -312,20 +312,20 @@ st.sidebar.caption(
     "Tables registered: " + (", ".join(dfs.keys()) if dfs else "none — upload to begin")
 )
 
-provider_default = os.getenv("LLM_PROVIDER", "fireworks").lower()
-provider_choices = ["fireworks", "hf"]
+provider_default = os.getenv("LLM_PROVIDER", "hf_router").lower()
+provider_choices = ["fireworks", "hf_router"]
 provider_index = provider_choices.index(provider_default) if provider_default in provider_choices else 0
 provider = st.sidebar.selectbox("Provider", provider_choices, index=provider_index)
 
 gen_default = os.getenv(
     "LLM_MODEL_GEN",
-    "accounts/fireworks/models/qwen3-coder-30b-a3b-instruct"
+    "Qwen/Qwen3-Coder-30B-A3B-Instruct:fireworks-ai"
     if provider == "fireworks"
     else "Qwen/Qwen2.5-1.5B-Instruct",
 )
 rev_default = os.getenv(
     "LLM_MODEL_REV",
-    "accounts/fireworks/models/qwen3-coder-30b-a3b-instruct"
+    "Qwen/Qwen3-Coder-30B-A3B-Instruct:fireworks-ai"
     if provider == "fireworks"
     else "Qwen/Qwen2.5-Coder-1.5B-Instruct",
 )
@@ -622,4 +622,4 @@ LIMIT 200;
                     _render_placeholder(
                         "Placeholder: Dashboard requires tables with day/category/units/revenue columns.",
                         ["daily_product_sales"]
-                    )
+                    )

tests/test_hf_router.py

@@ -0,0 +1,30 @@
+"""Smoke test for HF Router integration"""
+import os
+import sys
+sys.path.append('.')
+
+from api.inference import _call_llm
+
+def test_hf_router_basic():
+    """Test that HF Router can answer a simple question"""
+    try:
+        # Set required env vars if not present
+        if not os.getenv("HF_TOKEN"):
+            print("⚠️  HF_TOKEN not set, skipping HF Router test")
+            return True
+            
+        response = _call_llm("What is the capital of France?")
+        print(f"HF Router response: {response}")
+        
+        # Basic sanity check
+        assert "paris" in response.lower(), f"Expected 'Paris' in response, got: {response}"
+        print("✅ HF Router test passed")
+        return True
+        
+    except Exception as e:
+        print(f"❌ HF Router test failed: {e}")
+        return False
+
+if __name__ == "__main__":
+    success = test_hf_router_basic()
+    sys.exit(0 if success else 1)