Remove hardcoded vision-model allowlist in OllamaModel

lars/nepho/models/ollama_model.py

@@ -54,7 +54,7 @@ async def chat(self, prompt: str, images: Optional[List[str]] = None) -> str:
                     raise RuntimeError(f"Failed to pull model {self.model_name}")
 
             # Prepare the request payload
-            if images and self.supports_vision():
+            if images:
                 # For vision models, encode images as base64
                 images_data = []
                 for image_path in images:
@@ -104,20 +104,15 @@ async def chat(self, prompt: str, images: Optional[List[str]] = None) -> str:
                         raise RuntimeError(f"Ollama API error: {response.status} - {error_text}")
 
                     data = await response.json()
-                    
-                    if images and self.supports_vision():
+
+                    if images:
                         return data.get("response", "No response received")
                     else:
                         return data.get("message", {}).get("content", "No response received")
 
         except Exception as e:
             raise RuntimeError(f"Error calling Ollama API: {e}")
 
-    def supports_vision(self) -> bool:
-        """Check if this model supports vision capabilities."""
-        vision_models = ["llava", "bakllava", "moondream", "minicpm-v", "llava-llama2", "llava-llama3", "llama4:scout"]
-        return any(vision_model in self.model_name.lower() for vision_model in vision_models)
-
     async def list_available_models(self) -> List[str]:
         """List all available models in Ollama."""
         try: