muxr v3.4.0 Extension levers for the readiness gate and resolver, plus an ADR/RFC decision-record convention. - feat(#6): interrupt-reclaim readiness Command probe (extensions/examples/readiness.sh) - feat(#7): repo-scoped + portable resolver example (.repo opt-out, ~/ paths) - feat: additive repo_dir on the resolver ResolveIntent - docs: ADR/RFC decision records 0001-0003 (small stable core, readiness, reclaim) - deps: pipeline v5.3.1; lock-file maintenance