JetBrains IDE project configuration for a multi-module monorepo: run configurations under `.run/`, which `.idea/` files are committed and which are ignored, the root module and per-build Gradle links, module naming, and the rename checklist that keeps the IDE, Compose and monitoring naming the same thing. Use when you say "add a run configuration for this service", "this run configuration shows as Unknown", "the interpreter field is empty", "the Gradle window shows the module twice", "which .idea files do we commit", or "I renamed a module, what else has to change". Not for the Dockerfile or Compose file itself, use `docker-patterns`, and not for ignore patterns outside `…