fix(security): enforce SSH-only git remotes estate-wide (standards#69)

[hyperpolymath]

Summary

• Wires token-in-URL detection into governance-reusable.yml (security-policy job) as a new SSH-remote policy step: scans every .git/config present in the checkout tree for x-access-token:, gho_, ghp_, ghs_, and github_pat_ credentials embedded in HTTPS remote URLs; fails hard on any hit. All downstream repos that call the governance bundle inherit this check automatically via the single uses: delegation.
• Updates REMOTE-URL-POLICY.adoc (→ v1.1.0): records the 2026-05-19 recursive audit (1 offender found and remediated locally), upgrades the detection one-liner to recurse all .git trees rather than just ~/dev/*/, and expands the Enforcement section with the CI gate reference, a recommended pre-push hook, and provisioning guidance.

Audit result (2026-05-19)

Full recursive sweep of ~130 .git/config files under /home/hyperpolymath/dev (repos, scratch, tools, worktrees, audit clones):

Repo	Remote	Masked URL	Action
dev/repos/file-soup	origin	https://x-access-token:gho_****@github.com/hyperpolymath/file-soup	Switched to git@github.com:hyperpolymath/file-soup.git (local .git/config only)

All other repos were already on SSH or plain HTTPS (no embedded credential).

Outstanding owner action (EXTERNAL — not resolved by this PR)

Token rotation required.
The token gho_**** (prefix gho_1q9dB2…) was found in dev/repos/file-soup/.git/config. A token that has appeared in a URL is considered compromised regardless of whether it was pushed. The owner must revoke/rotate it at:
https://github.com/settings/tokens

This is a manual browser action; it cannot be automated here.

Test plan

• CI passes on this PR (governance-reusable SSH-remote policy step shows ✅)
• Manually verify git remote -v in dev/repos/file-soup shows SSH form
• Owner rotates the exposed token at github.com/settings/tokens
• Human review + merge (no --admin; Refs not Closes)

Refs #69

[github-actions]

🔍 Hypatia Security Scan

Findings: 101 issues detected

Severity	Count
🔴 Critical	63
🟠 High	28
🟡 Medium	10

⚠️ Action Required: Critical security issues found!

View findings

[
  {
    "reason": "Issue in quality.yml",
    "type": "missing_workflow",
    "file": "quality.yml",
    "action": "create",
    "rule_module": "workflow_audit",
    "severity": "high"
  },
  {
    "reason": "Issue in security-policy.yml",
    "type": "missing_workflow",
    "file": "security-policy.yml",
    "action": "create",
    "rule_module": "workflow_audit",
    "severity": "medium"
  },
  {
    "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": "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"
  },
  {
    "reason": "TypeScript file detected -- banned language",
    "type": "banned_language_file",
    "file": "/home/runner/work/standards/standards/lol/test/vitest.config.ts",
    "action": "flag",
    "rule_module": "cicd_rules",
    "severity": "critical"
  },
  {
    "reason": "TypeScript file detected -- banned language",
    "type": "banned_language_file",
    "file": "/home/runner/work/standards/standards/k9-svc/bindings/deno/mod.ts",
    "action": "flag",
    "rule_module": "cicd_rules",
    "severity": "critical"
  },
  {
    "reason": "believe_me undermines formal verification (1 occurrences, CWE-704)",
    "type": "believe_me",
    "file": "/home/runner/work/standards/standards/lol/src/abi/Locale.idr",
    "action": "flag",
    "rule_module": "code_safety",
    "severity": "critical"
  },
  {
    "reason": "Wildcard CORS -- restrict to specific origins or use env var (1 occurrences, CWE-942)",
    "type": "js_wildcard_cors",
    "file": "/home/runner/work/standards/standards/consent-aware-http/examples/reference-implementations/deno/aibdp_middleware.js",
    "action": "flag",
    "rule_module": "code_safety",
    "severity": "high"
  }
]

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