Header, global constraints, file structure, the interface block every task
builds against, the group/ownership table, the SECTION 25 banner protocol and
the merge notes. Task sections are drafted next.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FKFStjEFzpGyLq5bMpWxTd
