Train manual impl

.gitignore

@@ -6,3 +6,4 @@ build/
 
 .venv/
 .idea/
+runs/

AGENTS.md

@@ -9,4 +9,10 @@ our search impl will also be in rust.
 
 check out /mnt/github/TheConverseEngineer/AlphaSnake/ for last years impl
 
-`just test` runs tests
+`just test` runs tests. u should use this rather than doign it yourself bc this auto installs the package
+
+- this just tests the rust board impl. do not use it for eg training code changes
+
+`nix develop` GETS YOU CUDA
+`maturin develop --release` to bring python bindings in. you can `--manifest-path training/Cargo.toml` etc to choose the package to reinstall
+`PYTHONPATH=python` is uesful sometimes