Re-measured the Option-E prototype's reported figures against CONTEXT.md on
next (2026-07-31) and recorded the delta rather than overwriting the June
numbers:
- index counts 393/18 (2026-06-24) -> 416/20 today; CONTEXT.md gained the
PROBE (11) and PROHIB (10) classes
- of the 3 duplicate predicate IDs, only RULESET.WORKFLOW_MARKDOWN.FENCES
remains; the two RULESET.GEMINI.* went with the Gemini runtime removal
- gen-context-index.cjs --check exits 1 on next, so Phase 0's "--check green
in CI" criterion is unmet (invisible to CI: the example sits outside tests/)
Adds Open question 4 (index keyed on baked line numbers re-drifts on any
CONTEXT.md line shift, which matters once Phase 1 promotes --check to a CI
gate), and records the reviewer-proposed eval-gate question as resolved by
the PROBE.*/PROHIB.* predicate classes (ADR-550 D4/D7, ADR-1606).
Also names both surfaces of the Windsurf 12 KB throw in Decision 2, since it
is duplicated byte-identically in bin/install.js and
src/runtime-artifact-conversion.cts.
Docs-only. No code, no runtime-loaded text, no behavior change.
Co-authored-by: sim <sim@local>
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