- Update AGENTS.md with 400-line hard ceiling and sub-feature slicing rules
- Update scripts/lint_arch.ts to enforce 400 lines max with anti-formatting heuristics
- Subdivide src/shared/ui/ into layout, navbar, and admin layout fragments
- Subdivide src/features/auth/ into modular login, register, and recovery routes/fragments
- Subdivide src/features/admin/ into users, user details, apps, and audit fragments
- Maintain backwards compatibility via fragment index re-exports
- Add Section 3.5 to AGENTS.md for agent orchestration and tool autonomy
- Add Section E to tasks/GUIDELINES.md with pre-review summary gate
- Update tasks/do.md dispatch template with DRY positive acceptance criteria
- Align task lifecycle state machine to keep in-flight work in tasks/new/