1 files changed, 1 insertions, 0 deletions
diff --git a/AGENTS.md b/AGENTS.md
index e08e08c..f758059 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -13,6 +13,7 @@ Choose exactly one surface:
 House rules:
 
 - Keep lint semantics in root `Cargo.toml`; keep runners, CI, and editor config orchestration-only.
+- Install project-local `.cargo/config.toml` with `[build] target-dir = "/data/main/cargo-target/<project-slug>"`; do not alter user-global Cargo config.
 - Make every member crate opt into `[lints] workspace = true`.
 - Pin an exact stable toolchain in `rust-toolchain.toml`.
 - Install a target `AGENTS.md` link to [docs/rust-style-doctrine.md](/home/main/programming/projects/rust_starter/docs/rust-style-doctrine.md).