fix: allow REUSE LICENSES/ dir in root-shape allowlist

[hyperpolymath]

Summary

• check-root-shape.sh was rejecting LICENSES/, the directory REUSE compliance mandates for licence texts.
• .machine_readable/root-allow.txt never listed it, so a correctly-REUSE-compliant repo was being flagged as root drift.
• Adds the canonical allowlist entry, copied verbatim from the already-fixed reference at this-ssg.

Test plan

• bash scripts/check-root-shape.sh . no longer flags LICENSES/
• Only .machine_readable/root-allow.txt touched (1 line added)

🤖 Generated with Claude Code

[gitar-bot]

Gitar has auto-approved this PR (configure)

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[gitar-bot]

CI failed: CI failures occurred due to an unfilled placeholder token in an ecosystem config file, K9 contract validation errors in example files, and an unallowed markdown file under the docs directory.

Overview

Multiple CI checks failed across different workflows: the openssf-compliance check failed due to an unfilled placeholder token in .machine_readable/6a2/ECOSYSTEM.a2ml, the K9 contract validation failed due to missing magic numbers and pedigree blocks in example files, and the docs format check failed due to a .md file present in docs/ where AsciiDoc is required.

Failures

OpenSSF Compliance Placeholder Error (confidence: high)

• Type: build
• Affected jobs: 90106361075
• Related to change: yes
• Root cause: The file .machine_readable/6a2/ECOSYSTEM.a2ml contains an unfilled placeholder token ({{PLACEHOLDER}}) on line 20, which violates OpenSSF best practices.
• Suggested fix: Edit .machine_readable/6a2/ECOSYSTEM.a2ml to remove or fill in the placeholder token, or run just init locally.

K9 Contract Validation Errors (confidence: high)

• Type: test
• Affected jobs: 90106361050
• Related to change: yes
• Root cause: Example K9 contract files under .machine_readable/self-validating/examples/ failed validation due to missing 'K9!' magic numbers, missing pedigree blocks, or incorrect metadata fields.
• Suggested fix: Ensure all scanned K9 contract files include the required 'K9!' magic number and valid pedigree blocks with all necessary fields.

Markdown File in Docs Directory (confidence: high)

• Type: test
• Affected jobs: 90106360960, 90106874682
• Related to change: no
• Root cause: Found a .md file (docs/tech-debt-2026-05-26.md) under docs/, violating the repository rule requiring AsciiDoc (.adoc) by default unless allowlisted.
• Suggested fix: Convert docs/tech-debt-2026-05-26.md to .adoc or add it to the allowlist in scripts/check-no-md-in-docs.sh.

Summary

• Change-related failures: 2 failures (OpenSSF compliance placeholder token and K9 contract validation issues)
• Infrastructure/flaky failures: 0 failures
• Recommended action: Fix the placeholder in the ecosystem config file, update the example K9 contracts to include required headers/pedigrees, and either convert docs/tech-debt-2026-05-26.md to AsciiDoc or add it to the docs allowlist.

Code Review ✅ Approved

Adds the canonical LICENSES directory to the root-shape allowlist to prevent REUSE-compliant repositories from being flagged for root drift. No issues found.

Auto-approved: No blocking issues found.
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