Stack
What the four products are actually made of.
LanguageKotlin, TypeScript, Python
MobileJetpack Compose, foreground services, WorkManager
WebPlain TypeScript, no framework where none is needed
RealtimeWebSocket downlinks, reconnect loops, session folding
StreamingOBS browser sources, VTube Studio API
TestingKtor mocks, recorded conformance fixtures
ReleaseGitHub Actions, tag-derived versions
EditorNeovim, Android Studio when the debugger is needed