* Move local usage services into a supervised backend process
* Own usage recovery and worker retirement lifetimes
* Preserve answered usage data during background refresh
* Run independent usage scans concurrently in the backend
* Limit backend startup paths to the delegated usage service
* Show usage failures through backend recovery
* Include usage failure strings in the English catalog
* Keep usage update details beside refresh failures
* Resolve usage freshness failure from the final producer snapshot
* Retain the forced refresh completion requirement
* Keep managed backend failures out of application crash reports
* Preserve usage recovery boundaries across backend reconnects
* Match the backend RPC cancellation signal in the usage seam proof
* Avoid serializing backend requests before port delivery
* Keep receiving request validation in the boundary schemas
* test: align usage transport coverage with renderer project
* fix: preserve unknown usage state and renderer retirement
* fix(usage): revalidate tracking before scan admission
* fix(usage): retry failed backend startup on demand
* test(usage): isolate stale backend ownership checks
Brennan Benson
175f10e32b