♻️(backend) extract livekit API client creation to reusable utility

Create dedicated utility function for livekit API client initialization.
Centralizes configuration logic including custom session handling for SSL
verification. Improves code reuse across backend components that interact
with LiveKit.

src/backend/core/utils.py

@@ -13,8 +13,9 @@ from uuid import uuid4
 from django.conf import settings
 from django.core.files.storage import default_storage
 
+import aiohttp
 import botocore
-from livekit.api import AccessToken, VideoGrants
+from livekit.api import AccessToken, LiveKitAPI, VideoGrants
 
 
 def generate_color(identity: str) -> str:
@@ -142,3 +143,18 @@ def generate_s3_authorization_headers(key):
     auth.add_auth(request)
 
     return request
+
+
+def create_livekit_client(custom_configuration=None):
+    """Create and return a configured LiveKit API client."""
+
+    custom_session = None
+
+    if not settings.LIVEKIT_VERIFY_SSL:
+        connector = aiohttp.TCPConnector(ssl=False)
+        custom_session = aiohttp.ClientSession(connector=connector)
+
+    # Use default configuration if none provided
+    configuration = custom_configuration or settings.LIVEKIT_CONFIGURATION
+
+    return LiveKitAPI(session=custom_session, **configuration)