Thanks to another comment here I went looking for the strategy guides that are injected. To save everyone else the trouble, here [0]. Look at (e.g.) default/STRATEGY.md.jinja. Also adding a permalink [1] for future readers' sake.

[0]: https://github.com/coder/balatrollm/tree/main/src/balatrollm...

[1]: https://github.com/coder/balatrollm/blob/a245a0c2b960b91262c...