Adds the org-wide agent process doc (QA gate, peptiderepo git identity,
300-line cap, doc-in-same-commit, branch naming, commit trailer, PR-only
to main) and rewrites CLAUDE.md as a thin bootstrap pointer to it.
No runtime impact. No code change. Pure process/docs ratification.
Per CTO handoff in convo/prtheme/threads/2026-04-v1.5.2-release-cleanup/
03-cto-reply.md, this is the calibration run for the rollout pattern
across the four peptiderepo repos.
Agent-Session: prtheme/v1.5.2-release-cleanup/claude-opus-4-6
