## Summary
- add the workspace-scoped findings hygiene report, overview signal, and supporting classification service for broken assignments and stale in-progress work
- add Spec 225 artifacts and focused findings hygiene test coverage alongside the new Filament page and workspace overview wiring
- align product roadmap and spec candidates around the layered canonical control catalog, CIS library, and readiness model
- extend SpecKit constitution and templates with the XCUT-001 shared-pattern reuse guidance
## Notes
- validation commands and implementation close-out notes are documented in `specs/225-assignment-hygiene/plan.md` and `specs/225-assignment-hygiene/quickstart.md`
- this PR targets `dev` from `225-assignment-hygiene`
Co-authored-by: Ahmed Darrazi <ahmed.darrazi@live.de>
Reviewed-on: #264
