docs(audits): orphan-SHA pin + BP wrapper-prefix mismatch — 2026-05-27 sidecar to #215

[hyperpolymath]

Summary

Sidecar audit to audit-admin-merge-wrapper-sweep-2026-05-26.{adoc,a2ml} (PR #215 closure track) documenting a regression class introduced by the parent reusables-campaign sweep:

• The 278-wrapper hypatia-scan sweep pinned each wrapper to 97df762..., the PR-branch HEAD of feat(governance): add hypatia-scan-reusable.yml — biggest LOC leverage of the reusable trilogy #193 — NOT the merge-commit. After feat(governance): add hypatia-scan-reusable.yml — biggest LOC leverage of the reusable trilogy #193 squash-merged on 2026-05-26T19:37, the SHA was orphaned (ahead_by=1, behind_by=24 against main); merge-commit is 915139d7... with byte-identical content.
• GitHub Actions can't resolve reusable-workflow references to orphaned commits. Every estate repo's hypatia-scan fails at parse stage (banner: "workflow file issue"; jobs: []).
• Estate scope: 100 repos. Sweep filed 2026-05-27 by typed-wasm session: 99 PRs via Contents API + auto-merge SQUASH armed.

Sidebar finding

The audit also documents a sibling failure class — wrapper-prefix BP mismatch. The wrapper-emitted check name hypatia / Hypatia Neurosymbolic Analysis (<caller-job> / <reusable-display-name>) does not match branch protection's required bare Hypatia Neurosymbolic Analysis (the pre-wrapper monolithic name). Required check never satisfied even when the workflow succeeds. Fixed on typed-wasm with explicit sign-off; out of scope for this audit on the 99 others.

Test plan

• Review the .adoc narrative for accuracy against the actual sweep
• Review the .a2ml schema for machine-readability + parent-campaign linkage
• Note the three not-discharged items for the next reusables session

🤖 Generated with Claude Code

[github-actions]

🔍 Hypatia Security Scan

Findings: 123 issues detected

Severity	Count
🔴 Critical	65
🟠 High	48
🟡 Medium	10

⚠️ Action Required: Critical security issues found!

View findings

[
  {
    "reason": "Action hyperpolymath/standards/.github/workflows/changelog-reusable.yml@main needs attention",
    "type": "unpinned_action",
    "file": "changelog-reusable.yml",
    "action": "pin_sha",
    "rule_module": "workflow_audit",
    "severity": "high"
  },
  {
    "reason": "Action hyperpolymath/standards/.github/workflows/deno-ci-reusable.yml@main needs attention",
    "type": "unpinned_action",
    "file": "deno-ci-reusable.yml",
    "action": "pin_sha",
    "rule_module": "workflow_audit",
    "severity": "high"
  },
  {
    "reason": "Action hyperpolymath/standards/.github/workflows/elixir-ci-reusable.yml@main needs attention",
    "type": "unpinned_action",
    "file": "elixir-ci-reusable.yml",
    "action": "pin_sha",
    "rule_module": "workflow_audit",
    "severity": "high"
  },
  {
    "reason": "Action hyperpolymath/standards/.github/workflows/elixir-ci-reusable.yml@main needs attention",
    "type": "unpinned_action",
    "file": "elixir-ci-reusable.yml",
    "action": "pin_sha",
    "rule_module": "workflow_audit",
    "severity": "high"
  },
  {
    "reason": "Action hyperpolymath/standards/.github/workflows/governance-reusable.yml@main needs attention",
    "type": "unpinned_action",
    "file": "governance-reusable.yml",
    "action": "pin_sha",
    "rule_module": "workflow_audit",
    "severity": "high"
  },
  {
    "reason": "Action hyperpolymath/standards/.github/workflows/governance-reusable.yml@main needs attention",
    "type": "unpinned_action",
    "file": "governance.yml",
    "action": "pin_sha",
    "rule_module": "workflow_audit",
    "severity": "high"
  },
  {
    "reason": "Action hyperpolymath/standards/.github/workflows/rust-ci-reusable.yml@main needs attention",
    "type": "unpinned_action",
    "file": "rust-ci-reusable.yml",
    "action": "pin_sha",
    "rule_module": "workflow_audit",
    "severity": "high"
  },
  {
    "reason": "Action hyperpolymath/standards/.github/workflows/rust-ci-reusable.yml@main needs attention",
    "type": "unpinned_action",
    "file": "rust-ci-reusable.yml",
    "action": "pin_sha",
    "rule_module": "workflow_audit",
    "severity": "high"
  },
  {
    "reason": "Python file detected -- banned language",
    "type": "banned_language_file",
    "file": "/home/runner/work/standards/standards/a2ml-templates/state-scm-to-v2.py",
    "action": "flag",
    "rule_module": "cicd_rules",
    "severity": "critical"
  },
  {
    "reason": "TypeScript file detected -- banned language",
    "type": "banned_language_file",
    "file": "/home/runner/work/standards/standards/a2ml/bindings/deno/mod.ts",
    "action": "flag",
    "rule_module": "cicd_rules",
    "severity": "critical"
  }
]

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