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Jordi Enric 15f80e5f9d fix(docs): restore browser crash reporting to sentry (#50231)
## Problem

Docs discarded every browser exception because its third-party
stack-frame filter never returned a value from its predicate. Errors
captured by the page error boundaries were discarded too.

## Fix

Use Studio's Sentry SDK tagging approach with a matching webpack
application key, retaining page-crashing exceptions even when their
frames are classified as third-party. Preserve consent and platform
checks, and pass the source-map upload token through Turbo.

## How to test

- Run `pnpm --filter docs run test:local:unwatch
lib/sentry-client.test.ts` with the documented local Supabase
prerequisites satisfied. Eleven filter regression checks passed locally
using an isolated Vitest configuration.
- On a production-mode preview with the docs DSN configured, accept
telemetry consent and trigger a temporary client render error. Verify
that the docs Sentry project receives it with `globalErrorBoundary:
true` and readable stack traces.
- Verify that third-party-only errors are filtered and declining consent
suppresses browser reports.

Prettier, focused filter/test TypeScript checks, and an in-memory
transport check using the real Sentry SDK passed. Full app typecheck and
lint are blocked locally by existing dependency/generated-file drift;
the standard docs suite requires unavailable Docker access. Live Sentry
ingestion and source-map uploads still need deployment verification.


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **Bug Fixes**
- Improved error monitoring to distinguish documentation app boundary
crashes from other exceptions.
- Reduced noise in error reports by filtering third-party-only errors
and respecting platform and consent settings.
- Preserved reporting for first-party failures and critical application
crashes.

- **Chores**
- Improved Sentry build and deployment configuration for more consistent
error tracking.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->
2026-09-11 12:48:33 +02:00
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