git:20260912.fc2c5d5 to git:20260912.78b8c66

1 added, 1 removed. Audit A to A.

- `docs/architecture.md`: contracts and file placement. `guidance/<domain>.md`: preferences for making or reviewing domain work; `guidance/orchflows.md` for authoring workflows, guidance or libraries. `docs/home.md`: paths, setup, update. `docs/hosts.md`: isolation and plugin registration. `docs/history.md`: agent transcripts.

+ [Architecture](docs/architecture.md): contracts, ownership, guidance selection. Read [domain guidance](guidance/) for the work; [orchflows](guidance/orchflows.md) for authoring workflows, guidance or libraries. As needed: [home](docs/home.md) for setup, paths and updates; [hosts](docs/hosts.md) for registration and isolation; [history](docs/history.md) for transcripts.