Lift okr's reference okf-check.mjs into the catalog as the single cross-plugin
acceptance gate for the OKF-compatible second-brain form (spec §3):
- scripts/okf-check.mjs (+ vendored okf-frontmatter.mjs): verdict logic
byte-identical to okr's reference impl, English output, zero deps, self-contained.
- scripts/okf-check.test.mjs: 5 self-contained tests (temp-dir bundles).
- spec §7 + §14: the shared checker now lives here; only TS/mjs reconciliation
remains Stage-3, not required for the gate. log.md protocol §6: conformance is
verified by the gate, not asserted — a plugin moves to 🟢 only after passing it.
Verified: 33/33 catalog tests green (canonical glob form); verdict parity with
okr's checker on okr fixtures (positive + negative missing-type); a scaffolded
linkedin-studio brain/ validates clean (exit 0).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012GqEHp4uDiivfrAUjw4BdE
Kjell Tore Guttormsen
c06e4d7b55