a2ml-validate flags design-rationale/example .a2ml for "missing identity field"

[hyperpolymath]

Problem

a2ml-validate-action (source a2ml/actions/validate/…) errors "Missing required identity field (agent-id, name, or project)" on illustrative / design-rationale .a2ml files that aren't identity-bearing manifests — e.g. machine-readable-design/canonical-directory-structure/{Adjustfile,Intentfile,Mustfile,Trustfile,bust/Bustfile,dust/Dustfile}.a2ml.

Evidence

On hermeneia: 34 A2ML errors across 126 scanned files, all the "missing identity field" pattern (+ "missing version/schema_version" warnings), concentrated in the machine-readable-design/ design tree and per-directory 0.x-AI-MANIFEST.a2ml files. These describe structure/rationale, not a manifested identity.

Fix options

• (a, recommended) Exempt design-rationale/example trees (machine-readable-design/, self-validating/examples/) from identity validation.
• (b) Add an identity field only where a file is a genuine manifest.

Also

SHA-pin the a2ml-validate-action@<sha> # main ref (currently moving).

Targets / acceptance

a2ml (validator source) + hyperpolymath/a2ml-validate-action; propagate to rsr-template-repo. Acceptance: dogfood-gate "Validate A2ML manifests" passes on a clean RSR repo.

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Filed from a Claude Code session working on hermeneia. Add to the master scheduler.