build: update agent skills

[aoirint]

Warning

This pull request was created with assistance from LLMs.

Summary

• update the pinned aoirint/skills source to the latest validated revision
• refresh the selected APM-managed Skills, lockfile, and provenance notice
• include the registry-deletion, FFmpeg-distribution, private-repository disclosure, and lock-regeneration ownership guidance where selected

Canonical source: f4aa56f4abffb1448c24c04ea4ae4463f5721d10.

The repository's documented cooldown exception for aoirint/skills applies to this exact selected commit. Provenance, immutable pinning, generated-output review, and audit checks remain enforced.

Testing

• APM CLI 0.27.0 (703dd9e) selected from the reviewed bootstrap manifest
• apm lock
• apm install --frozen
• apm audit --ci
• git diff --check

Attribution

• Included: Co-authored-by: Codex <noreply@openai.com>