Routes Flutter framework errors (FlutterError.onError) and uncaught
async/platform errors (PlatformDispatcher.onError) to Crashlytics, but
only in release builds — debug keeps its red error screens and console
traces, and collection is disabled via setCrashlyticsCollectionEnabled
(kReleaseMode) so development crashes never reach the dashboard. Adds
the Crashlytics Gradle plugin alongside the existing google-services
FlutterFire config. iOS dSYM upload run script still to be added in
Xcode (symbolication only; crash capture works without it).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Adds an in-app review prompt gated by ReviewPromptPolicy: only after a
3-star stage win, once the player has cleared >=5 stages, at most once
ever (persisted reviewRequested flag). ReviewService swallows all
failures and only burns the one-shot when the store actually shows the
sheet, so an unavailable store retries on a later win. StoreReviewer
wraps in_app_review behind a Reviewer seam so unit tests skip platform
channels. 13 new tests; full suite 194 green.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Adds firebase_core + firebase_analytics and a FirebaseAnalyticsBackend that
adapts the existing AnalyticsBackend interface to GA4. Kept in its own file
so the typed AnalyticsService and DebugAnalyticsBackend stay free of the
firebase dependency (unit tests never pull in platform channels).
Not yet wired into main() — that needs lib/firebase_options.dart from
flutterfire configure (owner step). All 161 tests still green.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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