- Implemented unified-execute-parallel for executing tasks in isolated Git worktrees with parallel execution capabilities.
- Developed unified-execute-with-file for universal task execution from various planning outputs with progress tracking.
- Created worktree-merge to handle merging of completed worktrees back to the main branch, including dependency management and conflict detection.
- Enhanced documentation for each workflow, detailing core functionalities, implementation phases, and configuration options.
- Introduced the `/workflow:clean` command for intelligent code cleanup.
- Implemented mainline detection to identify active development branches and core modules.
- Added drift analysis to discover stale sessions, abandoned documents, and dead code.
- Included safe execution features with staged deletion and confirmation.
- Documented usage, execution process, and implementation details in `clean.md`.