mir-backend-python

Make It Right (Python runtime tier). CPython runtime reliability footguns that are shared across EVERY Python backend framework (FastAPI, Django, Flask, Celery) — distinct from the generic backend gates and from any one framework's mechanics. Covers: the GIL and the free-threaded build (PEP 703/779, officially supported since 3.14 but not the default), async-vs-sync 'coloring', blocking the event loop, choosing…