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Found 51 Skills
Enforces an on-device reminder engine where the local database is the only source of truth and the OS pending-notification set is a disposable cache reconciled through one idempotent syncNotifications() entrypoint; keeps flutter_local_notifications behind a single NotificationGateway port, all scheduling math pure and Clock-injected, recurring schedules stored as wall-clock + recurrence rule (never UTC instants) and resolved to a TZDateTime in tz.local for DST correctness, inexact-alarm default with SCHEDULE_EXACT_ALARM as an opt-in, iOS ~64-cap budgeting, isolate-safe @pragma('vm:entry-point') tap handlers, and Android boot re-arm. Use when writing or editing notification_gateway.dart, fln_notification_gateway.dart, reminder_scheduler.dart, recurrence_rule.dart, syncNotifications, zonedSchedule wiring, snooze or mark-done re-anchoring, or diagnosing missed or wrong-hour notifications.
Wires every side effect and native channel as an injectable interface behind a Provider that throws UnimplementedError until the composition root overrides it, with one live impl per flavor, value-typed signatures returning typed results, hand-written contract-honouring fakes over mocks, MethodChannel quarantined to one lib/native/ directory, and versioned cross-language contracts edited on both sides in one commit. Use when adding or changing a ShareService/AnalyticsService/RemoteConfigService or any side-effect port, injecting a Clock (package:clock) via clockProvider, a MethodChannel/platform channel or native widget bridge, a flavor entrypoint (main_*.dart) or per-flavor provider override, a shared-file/JSON contract mirrored in Kotlin/Swift, replacing a stray DateTime.now() or direct SDK call inside a widget/notifier/repository, or wiring a fake via ProviderScope(overrides:) in tests.
Enforces a fixed main() cold-launch order — crash-log sink + FlutterError.onError + PlatformDispatcher.onError installed BEFORE any code that can throw, settings/theme read before runApp so the first frame paints correct, real infra constructed in a composition-root bootstrap() and injected via ProviderScope overrideWithValue over throwing placeholder providers, non-blocking warm-up deferred to addPostFrameCallback, exactly two error handlers with NO runZonedGuarded, ProviderException unwrapped before logging, and a WidgetsBindingObserver that flushes durable state on background/resume. Use when editing lib/main.dart, main_<flavor>.dart, bootstrap.dart or app.dart, reordering anything in main(), adding a splash/onboarding/permission gate, restoring theme before first paint, wiring a DB or service into ProviderScope, handling app-lifecycle background/resume flushes, or chasing cold-start latency, ANRs, or first-frame jank.