Works on Tile Flux Node lobby server, Electron packaging, build scripts, icons, and release artifacts. Use when editing server/index.js, npm scripts, electron-builder config, prepare-build-resources, after-pack hooks, or EARLY_ACCESS / BUILD docs.
build block, electron-builder, cross-envelectron-builder files list must include everything the game needs at runtime (see package.json); do not omit vendor/ PeerJS if multiplayer stays P2P.build/icon.png / .ico per existing scripts—follow BUILD_CLIENT.md.