apx

Use when debugging event loop hangs, task scheduling issues, call_soon vs call_soon_threadsafe confusion, Future callback timing, _enter_task/_leave_task conflicts, GIL contention patterns, per-step vs per-drive task context, uvloop compatibility problems, sniffio/anyio backend detection failures, streaming backpressure deadlocks, or native runtime context issues on the asyncio thread. Also use when verifying asyncio assumptions via quick Python one-liners.

Strict set of rules in terms of codebase development, design patterns, and best practices. Use when the user wants to develop a new feature or refactor existing code.

Quick reference for building full-stack Databricks Apps with apx (React + FastAPI). Use when working on apx projects, creating routes, adding components, or managing dev servers.

Create git commits with emoji prefixes and conventional commit messages. Use when the user wants to commit changes, push code, or asks to use "just pm" command.