replacing correct model for openrouter models

agents.py

@@ -1,5 +1,6 @@
 from smolagents import (
     LiteLLMModel,
+    OpenAIServerModel,
     ToolCallingAgent,
     CodeAgent,
     VisitWebpageTool,
@@ -15,15 +16,10 @@ gemini_model = LiteLLMModel(
     model_id="gemini/gemini-2.0-flash-lite",
     api_key=gemini_api_key,
 )
-model = LiteLLMModel(
-    #model_id="deepseek/deepseek-r1-0528-qwen3-8b:free",
-    model_id="openrouter/google/gemini-2.5-flash-preview-05-20",
-    api_base="https://openrouter.ai/api/v1",
+model = OpenAIServerModel(
+    model_id='deepseek/deepseek-r1-0528-qwen3-8b:free',
+    api_base='https://openrouter.ai/api/v1',
     api_key=open_router_api_key,
-    headers={
-        "HTTP-Referer": "https://huggingface.co/spaces/cyberosa/SkynetAgent",  # Replace with your site if deployed
-        "X-Title": "SkynetMultiAgent"
-    }
 )