v1721
feat(calibration): cog adapter producer — completes the cog --adapter feature
feat(aether-arena): benchmark-first scorer + witness chain + repeatability (M2/M5/M7)
publish: best MM-Fi benchmark set (in-domain 83.59, x-subject 64.0, x-env 17.5 CORAL)
feat(aether-arena): ADR-149 spatial-intelligence benchmark — scorer + CI harness gate (M1-M4)
docs(aether-arena): v0 infrastructure complete — Space live, harness gate passing (M8)
docs: results+proof links, capabilities-proof rebuttal, fix stale claims