Add multi-repo pipeline support (PIPE-11)

Update CLAUDE.md: WCP tracking, repo structure, single-repo limitation

Remove disable-model-invocation from all skills

Add skills registry with install script and per-skill metadata

Add pipeline orchestration skills: approve, advance, autopilot

Remove all OrangeQC references — replace with generic terms

Migrate pipeline artifact storage from filesystem to WCP

Fix branch creation to use local default branch instead of origin

Simplify repo — delete 18 redundant/OrangeQC-specific docs, keep essentials

Rename /setup to /pipeline-setup

Add /setup skill and annotated Pipeline Configuration example

update

Remove stage prefix from skill names — /prd, /discovery, /architecture, etc.

Collapse config to one layer — skills run from target repo (ROAD-24)

Merge pull request #1 from orangeqc/docs/update-for-self-contained-skills