- Updated execution control methods (`PauseExecution`, `ResumeExecution`, `StopExecution`) to include error handling and database status updates for paused, running, and cancelled states.
- Introduced `ExecuteWithControl` method in the Executor interface to manage execution with pause/resume capabilities, allowing for better control during execution.
- Enhanced the `Execute` methods across different executors (DryRun, Sandbox, Standard) to support pre-generated execution IDs and control mechanisms.
- Improved error messages in the execution handling API to provide clearer feedback on execution status and errors.
- Added support for a new execution status `ExecPaused` in the execution model, enhancing the tracking of execution states.
- Modified the DeliveryResult structure across multiple executors to include RequestID and Content fields, providing detailed summaries and bodies for dry-run, sandbox, and standard deliveries.
- Updated related test cases to reflect changes in the DeliveryResult structure, ensuring accurate validation of delivery types and content handling.
- Revised input formatting to display delivery summaries instead of types, improving clarity in execution summaries.
- Introduced multiple executor modes (Standard, DryRun, Sandbox) to accommodate various use cases, enhancing flexibility in execution strategies.
- Updated DESIGN.md to reflect the new executor modes and their respective use cases, including detailed descriptions and configuration examples.
- Revised TECHNICAL.md to outline the new executor package structure, emphasizing the modular design for future enhancements.
- Enhanced the TODO.md to track the progress of executor mode implementations and related tasks.
- Removed outdated executor stub files and tests, streamlining the codebase for improved maintainability.
- Updated integration tests to utilize the new DryRun executor, ensuring comprehensive coverage of execution scenarios without real agent calls.
