v0.12.5

Attestation trust root

• SHA256SUMS — digests of this release's OpenAPI, ceremony helpers, and attestation CLI only (no allowlist padding; RB-13)
• openapi-edge-attest.json — edge allowlist (mirror to www .well-known as signed fallback)

Verify: teechat-openapi-attest verify https://openapi.teechat.ai

Full Changelog: v0.12.4...v0.12.5