Move execute.md from commands/workflow/ to skills/workflow-execute/SKILL.md,
update all references in workflow-plan to use Skill(skill="workflow-execute")
instead of the old /workflow:execute command path.
- Implemented E2E tests for code relationship visualization in Graph Explorer.
- Added tests for archived session management in History, including search, filter, restore, and delete functionalities.
- Created tests for workflow orchestration in Orchestrator, covering node creation, connection, deletion, and workflow management.
- Developed tests for project statistics and timeline visualization in Project, including error handling and internationalization checks.