style: apply ruff formatting to all backend files

backend/sources/intune_audit.py

@@ -11,10 +11,7 @@ def fetch_intune_audit(hours: int = 24, since: str | None = None, max_pages: int
     """
     token = get_access_token()
     start_time = since or (datetime.utcnow() - timedelta(hours=hours)).isoformat() + "Z"
-    url = (
-        "https://graph.microsoft.com/v1.0/deviceManagement/auditEvents"
-        f"?$filter=activityDateTime ge {start_time}"
-    )
+    url = f"https://graph.microsoft.com/v1.0/deviceManagement/auditEvents?$filter=activityDateTime ge {start_time}"
     headers = {"Authorization": f"Bearer {token}"}
 
     events = []
@@ -69,7 +66,8 @@ def _normalize_intune(e: dict) -> dict:
         "targetResources": [
             {
                 "id": target.get("id"),
-                "displayName": target.get("displayName") or target.get("modifiedProperties", [{}])[0].get("displayName"),
+                "displayName": target.get("displayName")
+                or target.get("modifiedProperties", [{}])[0].get("displayName"),
                 "type": target.get("type"),
             }
         ]