Draft improvements: - Rename ext -> ect_ext, clarify iss/aud requirements per level - Add algorithm agility guidance and RFC 8725 reference - Add HTTP header size constraints and body transport fallback - Add cross-level parent reference semantics - Add emerging agent protocols (A2A, MCP) to Related Work - Fix HTTP error handling (403 not 401), IANA +jwt suffix note - Add workflow consistency check to DAG validation - Add defense-in-depth note for acyclicity check Supporting files: - Fix blog post outdated claim names (par -> pred, ext -> ect_ext) - Update refimpl README with -00 vs -01 migration mapping - Add refimpl IMPROVEMENTS.md section 6 with -01 migration tasks
Move Go reference implementation to refimpl/go-lang/ and add new Python reference implementation in refimpl/python/. Update build.sh with renamed draft and simplified tool paths. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
