Update app.py

app.py

@@ -16,7 +16,7 @@ def _secret(key: str, fallback: str = "") -> str:
 def respond(
     message: str,
     history: list[dict[str, str]],
-    model_name: str,  
+    # model_name: str,  
 ):
     """
     Generate a response using OpenRouter API via OpenAI client.
@@ -35,10 +35,20 @@ def respond(
         )
 
     # 3️⃣ Initialize OpenAI client with OpenRouter configuration
+    # client = OpenAI(
+    #     base_url="https://openrouter.ai/api/v1",        
+    #     api_key=openrouter_api_key,
+    # )
+
     client = OpenAI(
-        base_url="https://openrouter.ai/api/v1",
-        api_key=openrouter_api_key,
-    )
+    base_url="https://openrouter.ai/api/v1",
+    api_key=openrouter_api_key,
+    default_headers={
+        # "HTTP-Referer": "<YOUR_SITE_URL>",  # Optional. Set your site URL for tracking.
+        "X-Title": "hf_precise",        # Optional. Set your app name for tracking.
+        "X-OpenRouter-Preset": "@preset/precise-chat-agent"  # <<< The crucial line
+    },
+)
 
     # 4️⃣ Build the message list for the chat completion
     messages = []
@@ -48,7 +58,7 @@ def respond(
     # 5️⃣ Stream the response back to the UI
     response = ""
     stream = client.chat.completions.create(
-        model=model_name,
+        # model=model_name,
         messages=messages,
         max_tokens=8096,
         stream=True
@@ -61,12 +71,12 @@ def respond(
             yield response
 
 
-# ──────────────────────────────────────────────────────────────────────
-# List of models available through OpenRouter
-# ──────────────────────────────────────────────────────────────────────
-AVAILABLE_MODELS = [
-"@preset/precise-chat-agent"
-]
+# # ──────────────────────────────────────────────────────────────────────
+# # List of models available through OpenRouter
+# # ──────────────────────────────────────────────────────────────────────
+# AVAILABLE_MODELS = [
+# "@preset/precise-chat-agent"
+# ]
 
 # ----------------------------------------------------------------------
 # UI – the system‑prompt textbox has been removed.