feat(proofs/agda): upstream Echo/CNO bridge files from maa-framework vendored copy#65
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…vendored copy The maa-framework repo carries a vendored copy of absolute-zero with 3 Agda files added directly to proofs/agda/ that were never upstreamed back to canonical absolute-zero: - EchoBridgeScaffold.agda — compile-safe interface layer providing the `Echo` Σ-shape and `CNOModel` interface, intentionally independent of CNO.agda so it stays typecheckable while CNO.agda is being completed. - EchoBridgeCNO.agda — concrete model instantiation from CNO.Program and CNO.eval into the scaffold interface. Two bridges: identity via CNO.state-eq directly (echo-from-cno-program-rel), and propositional equality recovery via Extensionality. - README.adoc — describes the three-file structure of proofs/agda/. These files self-identify as absolute-zero artefacts (the README.adoc title is "Agda Proofs (absolute-zero)" and EchoBridgeScaffold's comment says "Echo/CNO Agda bridge scaffold"), so canonical home is here — not in maa-framework. The maa-framework re-vendor in maa-framework#83 has to use rsync --filter='P ...' to preserve them across syncs; landing them upstream removes that need. Discovered while triaging maa-framework's proof-debt classification (maa-framework#82 / maa-framework#84). The 3-file set has no postulates; `EchoBridgeCNO.agda` imports `Axiom.Extensionality.Propositional` as a *type* used as a module parameter (not a postulate). Documented this false-positive case in docs/proof-debt.md so check-trusted-base.sh (standards#211) passes without inline annotation. Refs: maa-framework#82, maa-framework#84, standards#203, standards#211. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
🔍 Hypatia Security ScanFindings: 64 issues detected
View findings[
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"reason": "Ada pragma Suppress disables runtime checks (1 occurrences, CWE-704)",
"type": "ada_pragma_suppress",
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{
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"file": "/home/runner/work/absolute-zero/absolute-zero/proofs/coq/quantum/QuantumMechanicsExact.v",
"action": "flag",
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{
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{
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{
"reason": "undefined/error causes runtime crash (2 occurrences, CWE-754)",
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{
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]Powered by Hypatia Neurosymbolic CI/CD Intelligence |
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Summary
Upstreams 3 Agda files that exist only in maa-framework's vendored copy of absolute-zero, but self-identify as absolute-zero artefacts.
proofs/agda/EchoBridgeScaffold.agda— compile-safe interface (EchoΣ-shape,CNOModel), intentionally independent ofCNO.agda.proofs/agda/EchoBridgeCNO.agda— concrete instantiation fromCNO.Program/CNO.evalinto the scaffold.proofs/agda/README.adoc— describes the directory.Why now
Discovered during proof-debt classification triage for maa-framework (filed at hyperpolymath/maa-framework#82, with disposition analysis in hyperpolymath/maa-framework#84). The maa-framework re-vendor (hyperpolymath/maa-framework#83) currently uses
rsync --filter='P ...'to preserve these files across each sync — once they're upstream, that filter becomes redundant.The README.adoc literally titles itself "Agda Proofs (absolute-zero)" and the scaffold header says "Echo/CNO Agda bridge scaffold", so the canonical home is here.
Trusted-base impact
The 3-file set has zero postulates and zero axioms.
EchoBridgeCNO.agdaimportsAxiom.Extensionality.Propositionalto obtain theExtensionalitytype, which is then accepted as an explicit module parameter by downstream functions — not postulated. Documented indocs/proof-debt.mdunder a new "False positives" section to satisfycheck-trusted-base.sh's path-enumeration clause.Test plan
cd proofs/agda && agda EchoBridgeScaffold.agdatypechecks.cd proofs/agda && agda EchoBridgeCNO.agdatypechecks (may needCNO.agdabuild prerequisites).bash scripts/check-trusted-base.sh .passes (path-enumeration covers the false positive).Companion
rsync --filter='P ...').absolute-zero/a deliberate fork or stale vendor copy? maa-framework#84 — fork-vs-vendor disposition issue (open, owner-decision).check-trusted-base.sh.Co-Authored-By: Claude Opus 4.7 (1M context) noreply@anthropic.com
🤖 Generated with Claude Code