- add suspend, timeslice, and trigger post engine layers
- introduce CFS workflow scheduler tasks and supporting entities
- update async workflow, trigger, and webhook services to wire in the new scheduling flow
- Improved error handling in `TriggerSubscriptionListApi` to return a 404 response for ValueErrors.
- Refactored end user creation logic in `service_api/wraps.py` to use `get_or_create_end_user` for better clarity and consistency.
- Introduced a new method `create_end_user_batch` for batch creation of end users, optimizing database interactions.
- Updated various trigger-related services to utilize the new end user handling, ensuring proper user context during trigger dispatching.
- Updated `DraftWorkflowTriggerNodeApi` to utilize the new `TriggerDebugEvent` and `TriggerDebugEventPoller` for improved event polling.
- Removed deprecated `poll_debug_event` methods from `TriggerService`, `ScheduleService`, and `WebhookService`, consolidating functionality into the new event structure.
- Enhanced error handling in `invoke_trigger_event` to utilize `TriggerPluginInvokeError` for better clarity on invocation issues.
- Updated frontend API routes to reflect changes in trigger event handling, ensuring consistency across the application.
- Refactored the `DraftWorkflowTriggerNodeApi` and related services to utilize the new `TriggerService` for polling debug events, improving modularity and clarity.
- Added `poll_debug_event` methods in `TriggerService`, `ScheduleService`, and `WebhookService` to streamline event handling for different trigger types.
- Introduced `ScheduleDebugEvent` and updated `PluginTriggerDebugEvent` to include a more structured approach for event data.
- Enhanced the `invoke_trigger_event` method to improve error handling and data validation during trigger invocations.
- Updated frontend API calls to align with the new event structure, removing deprecated parameters for cleaner integration.
- Introduced a base class for debug events to streamline event handling.
- Refactored `TriggerDebugService` to support multiple event types through a generic dispatch/poll interface.
- Updated webhook and plugin trigger debug services to utilize the new event structure.
- Enhanced the dispatch logic in `dispatch_triggered_workflows_async` to accommodate the new event model.