“React Native”

Builds data export and restore - a versioned, checksummed backup file, all-or-nothing restore, safe CSV.

Ships iOS builds to TestFlight: API-key signing, archive, export, store gate on the .ipa, upload, VALID wait, build numbers.

Builds calendar-day logic: local date keys, an injected clock, midnight, DST, streaks, stats.

Writes and checks Conventional Commits, Gate-Change trailers, release tags, evidence reports and stop-and-ask requests.

Builds a typed Result spine - failures converted at boundaries, exhaustive handling.

Wires Sentry crash reporting behind a port: start on consent, PII scrubbing, releases, source maps per build and update.

Catalogs each animation as a Reanimated 4 moment.

Builds game rules as a pure seeded engine: create, listMoves, applyMove, outcome, events, property tests.

Starts a new game by script - contracts/games.json entry, catalog keys, a white-label app when multi-package - and proves it complete.

Builds react-hook-form + valibot forms: one schema, catalog-key errors, TextField kinds (keyboard, autofill), focus chain.

Gates every incoming link: custom schemes, universal links (AASA), App Links (assetlinks), a route allow-list.

Builds TanStack Query server state over an ApiClient - validated responses, keys, retries, optimistic writes, offline.

Creates a new Expo app from empty - SDK 57 stack, Expo Router, root configs, gates, variants, icons - proven by a checker.

Puts all visible text in react-intl catalogs - semantic keys, CLDR plurals, Intl polyfills, parity.

Generates level tables proven winnable by a solver or witness bot: par, stars, pack unlocks, a daily level.

Enforces a11y labels, 44pt targets, 200% text, VoiceOver, TalkBack.

Builds AdMob ads behind a port - banners, interstitials, rewarded, UMP consent then ATT, pacing, ADS_MODE test IDs.

Gates analytics on opt-in consent: no SDK before a yes, typed events without personal data, ATT.

Places app code in the src/ layout and checks import boundaries: one-way zones, pure core, ports with fakes, one composition root.

Prevents silent async bugs: effect races, stale results, lost promises, leaked listeners and timers, AbortSignal gaps.

Builds SFX and haptics behind ports.

Builds sign-in - tokens in expo-secure-store, shared refresh, protected routes, OAuth PKCE, Apple sign-in.

Builds expo-background-task jobs: idempotent, budgeted runs.

Turns canvas taps, swipes, drags and aim into typed intents: one gesture module, hit-testing on the drawn layout.