- Added `planex-executor` role for loading solutions, implementing code, running tests, and committing changes.
- Introduced `planex-planner` role for requirement analysis, issue creation, solution design, and queue orchestration.
- Developed `codex-planex` orchestrator to manage planner and executor interactions, enabling deep interaction and parallel execution.
- Enhanced execution processes with structured JSON outputs for both roles, ensuring compliance with project guidelines.
- Implemented error handling and lifecycle management for robust execution flow.
