Create hf_client.py

hf_client.py

@@ -0,0 +1,32 @@
+
+---
+
+### hf_client.py
+```python
+from huggingface_hub import InferenceClient, HfApi
+from tavily import TavilyClient
+
+# HF Inference Client
+HF_TOKEN = os.getenv('HF_TOKEN')
+if not HF_TOKEN:
+    raise RuntimeError("HF_TOKEN environment variable is not set. Please set it to your Hugging Face API token.")
+
+def get_inference_client(model_id, provider="auto"):
+    """Return an InferenceClient with provider based on model_id and user selection."""
+    if model_id == "moonshotai/Kimi-K2-Instruct":
+        provider = "groq"
+    return InferenceClient(
+        provider=provider,
+        api_key=HF_TOKEN,
+        bill_to="huggingface"
+    )
+
+# Tavily Search Client
+TAVILY_API_KEY = os.getenv('TAVILY_API_KEY')
+tavily_client = None
+if TAVILY_API_KEY:
+    try:
+        tavily_client = TavilyClient(api_key=TAVILY_API_KEY)
+    except Exception as e:
+        print(f"Failed to initialize Tavily client: {e}")
+        tavily_client = None