- Delete NEXT.md (all six tracks implemented)
- Delete docs/superpowers/plans/track1 plan (track complete)
- Trim ARCHIVR-MENTAL-MODEL.md Key Documents table to only living files
- Add optional `bind` field to ServerRegistry (TOML + ARCHIVR_BIND env var)
- Default bind address remains 127.0.0.1:8080; non-loopback prints a warning
- Add route security classification comment block (READ/ADMIN/WRITE/STATIC)
- Add Security and Deployment section to docs/README.md
- Replace vague auth note in ARCHIVR-MENTAL-MODEL.md with concrete model description
- Add three registry tests covering bind field round-trip and defaults