https://heidemann.me/https://heidemann.me/blog/2026-03-06-attention-monoid/https://heidemann.me/blog/2026-03-13-tools-that-work-together/https://heidemann.me/blog/2026-03-21-mlir-was-so-close/https://heidemann.me/blog/2026-03-28-smooth-simplices/