# rules docs index Use these files by intent: - `docs/rules-canon.md` - Canonical rules reference based on `STS_KS_Rulebook.pdf`. - Use for correctness decisions. - `docs/rules-web-mvp.md` - Implementation rules for first playable web version. - Use for current scope and task planning. - `docs/rules-web-delta.md` - Explicit differences between canon and web behavior. - Use to track planned/deferred parity work. - `docs/rules-legacy.md` - Previous condensed rules writeup kept for historical reference.