skillforge validate reports SF1009 (no license declared) on every skill
in .agents/skills. This adds license: MIT to all 39, matching the
repository LICENSE.
license only. The Codex mirror's frontmatter is governed by an allowlist
in tests/ci/codex-skill-surface.test.js - allowed-tools, description,
license, metadata, name - and license is the one field on it that
skillforge asks for. compatibility is deliberately absent here; widening
that contract is a separate decision about what the Codex surface
supports.
node tests/ci/codex-skill-surface.test.js: 4 passed, 0 failed.
Split out of #2993 so both PRs land under the review-bot file limits.
Co-authored-by: Çağrı Solakoğlu <cagri.solakoglu@vtcenerji.com>