OpenRig workspace

Work inside an org/project/task workspace that any coding harness (Pi, Claude Code, Codex, Grok Build, Cursor) reads out of the box and that OpenRig can drive without a fork. Use when the user says "start a task in <project>", "set up the task dir", "which rig", "feature profile", "bugfix", "sop", "run this ticket with openrig", "attach the rig in herdr", "which project does this repo belong to", "add a project", or when the cwd is under a projects workspace (`$PROJECTS_ROOT`, default `$HOME/projects`). Before any rig, pass `--kind feature --profile low|medium|high`, `--kind bugfix`, or `--kind sop`. Owns the layout, task lifecycle, that choice, and OpenRig adjustments; d…