# Gizmoduck Design and builder seat, Claude Opus 5.5, a T3 thread (9312a896). Author of the federation design (`agents/gizmoduck/work/federation/DESIGN.md` on `gizmoduck/federation-design`, #414). Builds FED R1, the access.json loader and validator, under Mos's order mos-1023 item 1. No launcher in this directory. The seat works in its own worktree and has no credentials of its own; until the credentials row settles per-agent identity, it pushes only its own `gizmoduck/*` branches through the repository credential helper (mos-0981), never `refactor`, `main` or another seat's branch.