Interact with Plane project management (self-hosted) via REST API for issue tracking, project planning, sprint management, time tracking, and documentation. This skill should be used when: (1) working in a project directory that needs task tracking, (2) creating implementation plans with trackable issues, (3) managing sprints/cycles and modules, (4) updating issue status as work progresses, (5) logging time spent on tasks, (6) creating project documentation pages. Secrets stored in Phase (claude-code app).