Resolved conflicts in the three EAS build/deploy workflows. Kept this
branch's simplified Android flow (single AAB build → eas submit →
bundletool universal APK) while adopting main's yarn→pnpm migration,
SHA-pinned actions, and Slack action v3 syntax.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Eric Bailey
559c599a4f