| """Architecture variants for the megakernel family. | |
| Each module exports `MODEL_SRC`: a complete, self-contained reference (HELPERS + its own body) that is | |
| embedded verbatim into the task's `environment/reference.py` and into the private grader. Keeping them | |
| self-contained matters -- `reference.py` is the numerical spec the agent reads. | |
| """ | |