2026-06-12 structure lint checks

1. Old role/governance config removed

Command:
rg -n "governance_slots|slot_bindings|challenger|五角" examples/baseline/.ys_team/config.yaml skills/ys-team/baseline/.ys_team/config.yaml

Result:
exit 1, no matches.

2. Removed old baseline files

Commands:
test ! -e examples/baseline/.ys_team/role-pool.yaml
test ! -e examples/baseline/.ys_team/templates/monthly-summary.md
test ! -e skills/ys-team/baseline/.ys_team/role-pool.yaml
test ! -e skills/ys-team/baseline/.ys_team/templates/monthly-summary.md

Result:
all exited 0.

3. Verifier card template fields present

Command:
rg -n "意图|非目标|Write-Scope|保真度等级|人等价验收脚本|Feedback Loop|交付清单" examples/baseline/.ys_team/templates/spec.md

Result:
exit 0; matched all required verifier-card fields.