refactor: move Azure Management scope to config and organize imports

Author: blessing-sanusi

src/backend/common/config/app_config.py

@@ -39,6 +39,10 @@ def __init__(self):
             "AZURE_COGNITIVE_SERVICES", "https://cognitiveservices.azure.com/.default"
         )
 
+        self.AZURE_MANAGEMENT_SCOPE = self._get_optional(
+            "AZURE_MANAGEMENT_SCOPE", "https://management.azure.com/.default"
+        )
+
         # Azure OpenAI settings
         self.AZURE_OPENAI_DEPLOYMENT_NAME = self._get_required(
             "AZURE_OPENAI_DEPLOYMENT_NAME", "gpt-4o"

src/backend/v3/common/services/foundry_service.py

@@ -1,5 +1,6 @@
 from typing import Any, Dict
 import logging
+import re
 from azure.ai.projects.aio import AIProjectClient
 from git import List
 import aiohttp
@@ -54,12 +55,11 @@ async def list_model_deployments(self) -> List[Dict[str, Any]]:
         try:
             # Get Azure Management API token (not Cognitive Services token)
             credential = config.get_azure_credentials()
-            token = credential.get_token("https://management.azure.com/.default")
+            token = credential.get_token(config.AZURE_MANAGEMENT_SCOPE)
 
             # Extract Azure OpenAI resource name from endpoint URL
             openai_endpoint = config.AZURE_OPENAI_ENDPOINT
             # Extract resource name from URL like "https://aisa-macae-d3x6aoi7uldi.openai.azure.com/"
-            import re
             match = re.search(r'https://([^.]+)\.openai\.azure\.com', openai_endpoint)
             if not match:
                 self.logger.error(f"Could not extract resource name from endpoint: {openai_endpoint}")