Improve UI and error handling

app.py

@@ -35,7 +35,7 @@ class QueryRequest(BaseModel):
 
 class QueryResponse(BaseModel):
     response: str
-    model: str = "llama3-papalia-nuevo"
+    model: str = "llama3.2:1b-papalia"
 
 OLLAMA_API_URL = "http://localhost:11434/api/generate"
 OLLAMA_BASE_URL = "http://localhost:11434"
@@ -51,7 +51,7 @@ async def check_ollama_status() -> Dict[str, Any]:
             model_response = await client.post(
                 OLLAMA_BASE_URL + "/api/generate",
                 json={
-                    "model": "llama3-papalia-nuevo",
+                    "model": "llama3.2:1b-papalia",
                     "prompt": "test",
                     "max_tokens": 1
                 },
@@ -93,7 +93,7 @@ async def generate_response(query: QueryRequest):
             response = await client.post(
                 OLLAMA_API_URL,
                 json={
-                    "model": "llama3-papalia-nuevo",
+                    "model": "llama3.2:1b-papalia",
                     "prompt": query.prompt,
                     "stream": False,
                     "temperature": query.temperature,
@@ -110,7 +110,7 @@ async def generate_response(query: QueryRequest):
 
             result = response.json()
             logger.info("Respuesta generada exitosamente")
-            return {"response": result.get("response", ""), "model": "llama3-papalia-nuevo"}
+            return {"response": result.get("response", ""), "model": "llama3.2:1b-papalia"}
             
     except httpx.TimeoutException:
         logger.error("Timeout en la solicitud a Ollama")