## Summary
- replace the baseline snapshot detail page with a structured summary-first rendering flow
- add a presenter plus renderer registry with RBAC, compliance, and fallback renderers
- add grouped policy-type browsing, fidelity and gap badges, and workspace authorization coverage
- add Feature 130 spec, plan, contract, research, quickstart, and completed task artifacts
## Testing
- focused Pest coverage was added for structured rendering, fallback behavior, degraded states, authorization, presenter logic, renderer resolution, and badge mapping
- I did not rerun the full validation suite in this final PR step
## Notes
- base branch: `dev`
- feature branch: `130-structured-snapshot-rendering`
Co-authored-by: Ahmed Darrazi <ahmed.darrazi@live.de>
Reviewed-on: #158
ahmido
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