## Summary
- implement the provider capability registry and derived capability evaluation flow
- update provider connections, onboarding, required-permissions diagnostics, and provider blocker translation to use capability-first summaries
- add bounded unit, feature, and browser test coverage plus the prepared Spec 283 artifacts
## Notes
- branch: `283-provider-capability-registry`
- commit: `74e75c3e`
- no additional validation commands were run in this git/PR flow step
Co-authored-by: Ahmed Darrazi <ahmed.darrazi@live.de>
Reviewed-on: #342
ahmido
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