Hermes-Walkie-Talkie

Build, extend, or repair native Android apps using Kotlin, Jetpack Compose, Android SDK, Material 3, Room, networking, permissions, and Gradle. Use when Codex is asked to create an Android app, add Android features, implement Compose UI, wire ViewModels/state, integrate local persistence, handle Android permissions or APIs, configure Android build files, or validate Android projects.

Build, extend, debug, or validate Bun + Fastify APIs written in TypeScript ESM. Use when Codex is asked to work on Fastify routes, Bun runtime services, multipart/file upload endpoints, bearer-auth private APIs, Zod/env validation, child-process integrations, local storage paths, API contracts, or TypeScript backend validation in a Bun project.