Rewrites the canonical command reference (.claude/rules/ticket-cli.md) and CLAUDE.md
to the pql CLI: `pql ticket`/`pql plan`/`pql decisions` replace `tooling/db/ticket`,
`sqlite-query`/`sqlite-exec`, and `tooling/db/decision`. Documents T-NNN ids, the
markdown-sourced governance decision tree, the rebuildable changelog-backed pql.db,
and labels-as-milestones (phase:4) in place of the removed milestone entity.
Maps the old surface accurately: ticket new (positional type+title), show
--with-context/--with-blockers, block --by / unblock --from, label add/remove,
decisions claim/list/show/validate/sync, plan whatsnext/review/status.
Behavioral/command cutover only — the legacy tooling/db/* and SR_DB_PATH stay as the
rollback path until Phase 6.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>