Shows GenServer state machines, missing message handlers, and hidden coupling.
mix reach.otp
mix reach.otp UserWorker
mix reach.otp --format jsonOptions
--format— output format:text(default),json,oneline--concurrency— show Task/monitor/spawn and supervisor topology--state— focus on state-machine output (accepted for canonical CLI compatibility)--messages— focus on message-handler output (accepted for canonical CLI compatibility)--supervision— focus on supervision output (accepted for canonical CLI compatibility)