Update notification service

AppImage/scripts/ai_providers/openai_provider.py

@@ -1,9 +1,12 @@
 """OpenAI provider implementation.
 
-OpenAI is the industry standard for AI APIs. gpt-4o-mini provides
-excellent quality at a reasonable price point.
+OpenAI is the industry standard for AI APIs.
+Models are loaded dynamically from the API.
 """
-from typing import Optional
+from typing import Optional, List
+import json
+import urllib.request
+import urllib.error
 from .base import AIProvider, AIProviderError
 
 
@@ -20,9 +23,49 @@ class OpenAIProvider(AIProvider):
     """
     
     NAME = "openai"
-    DEFAULT_MODEL = "gpt-4o-mini"
     REQUIRES_API_KEY = True
     DEFAULT_API_URL = "https://api.openai.com/v1/chat/completions"
+    DEFAULT_MODELS_URL = "https://api.openai.com/v1/models"
+    
+    def list_models(self) -> List[str]:
+        """List available OpenAI models.
+        
+        Returns:
+            List of model IDs available for chat completions.
+        """
+        if not self.api_key:
+            return []
+        
+        try:
+            # Determine models URL from base_url if set
+            if self.base_url:
+                base = self.base_url.rstrip('/')
+                if not base.endswith('/v1'):
+                    base = f"{base}/v1"
+                models_url = f"{base}/models"
+            else:
+                models_url = self.DEFAULT_MODELS_URL
+            
+            req = urllib.request.Request(
+                models_url,
+                headers={'Authorization': f'Bearer {self.api_key}'},
+                method='GET'
+            )
+            
+            with urllib.request.urlopen(req, timeout=10) as resp:
+                data = json.loads(resp.read().decode('utf-8'))
+            
+            models = []
+            for model in data.get('data', []):
+                model_id = model.get('id', '')
+                # Filter to chat models only (skip embeddings, etc.)
+                if model_id and ('gpt' in model_id.lower() or 'turbo' in model_id.lower()):
+                    models.append(model_id)
+            
+            return models
+        except Exception as e:
+            print(f"[OpenAIProvider] Failed to list models: {e}")
+            return []
     
     def _get_api_url(self) -> str:
         """Get the API URL, using custom base_url if provided."""