feat: Add logging utility for calendar sync operations and enhance error handling

steps/advoware_cal_sync/calendar_sync_event_step.py

@@ -1056,6 +1056,11 @@ async def handler(input_data: Dict[str, Any], ctx: FlowContext) -> None:
         
         return {'status': 200, 'body': {'status': 'completed', 'kuerzel': kuerzel}}
     
+    except Exception as e:
+        log_operation('error', f"Sync failed for {kuerzel}: {e}", context=ctx)
+        log_operation('info', f"Handler duration (failed): {time.time() - start_time}", context=ctx)
+        return {'status': 500, 'body': {'error': str(e)}}
+    
     finally:
         # Always close resources to prevent memory leaks
         if service is not None:
@@ -1068,11 +1073,6 @@ async def handler(input_data: Dict[str, Any], ctx: FlowContext) -> None:
             redis_client.close()
         except Exception as e:
             log_operation('debug', f"Error closing Redis client: {e}", context=ctx)
-
-    except Exception as e:
-        log_operation('error', f"Sync failed for {kuerzel}: {e}", context=ctx)
-        log_operation('info', f"Handler duration (failed): {time.time() - start_time}", context=ctx)
-        return {'status': 500, 'body': {'error': str(e)}}
-    finally:
+        
         # Ensure lock is always released
         clear_employee_lock(redis_client, kuerzel, ctx)