`IndexPolicy.root_frontmatter` carried two claims at once: which keys the
root index may carry and in what order, and which it must carry. The judge
read it as the second, so `OKF_V0_2` — which names `okf_version` only to fix
its position, upstream granting it as a MAY (§8:509-510, §12:773-775) —
reported every bundle exercising that MAY as violating. Measured in P1 over
17 bundles: 14 failed with exactly this one violation, upstream's own four
reference bundles among them, while D5's emitter treated the same key as
optional. We emitted a MAY correctly and graded it a MUST.
`root_frontmatter` now permits and orders; `root_frontmatter_required`
demands. A required key outside the ordered set fails at construction, the
same contradiction `FrontmatterSchema` already refuses when `required`
strays outside `allowed`.
- `OKF_V0_2` requires none — upstream's MAY, stated on the judge side too.
- `STRICT_V1` requires all three: the proving consumer's root index carries
exactly those keys in that order on every bundle measured (`c5141f8`), so
separating the meanings costs them nothing.
- `DEFAULT` names no root keys and is untouched.
Re-measured over the eight bundle-root indexes reachable locally (our four
goldens, upstream's four): 7 of 8 failing under the old semantics, 0 of 8
after. Emit path byte-identical — the golden suite fails otherwise.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01JqCmfJ2ukpFXeFjfab8wvy
Kjell Tore Guttormsen
2c01e58259