diff --git a/.agents/skills/ship-pseudocode/SKILL.md b/.agents/skills/ship-pseudocode/SKILL.md
index d06d97fa00319..ca296e22876dd 100644
--- a/.agents/skills/ship-pseudocode/SKILL.md
+++ b/.agents/skills/ship-pseudocode/SKILL.md
@@ -126,6 +126,7 @@ been done.
 | --------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
 | `ERR_UNKNOWN_FILE_EXTENSION ".ts"`            | Node 20 on PATH. The ship scripts pick Node 26; a hand-run command must too.                                                                                       |
 | `command not found: vp`                       | `node_modules/.bin` missing from PATH.                                                                                                                             |
+| `Rust/Cargo and the requested Rust target`    | Rust missing. `brew install rustup`, then `rustup default stable`; `_common.sh` puts its `cargo` on PATH.                                                          |
 | App bundle named `T3 Code.app`                | `T3CODE_APP_NAME` not exported for the desktop build.                                                                                                              |
 | `skipped macOS notarization`                  | No notarytool keychain profile named `pseudocode`. `ROTATION.md` step 6.                                                                                           |
 | `codesign ... errSecInternalComponent`        | The keychain holding the signing key is locked, so `codesign` sees the identity but cannot use the key.                                                            |
diff --git a/.agents/skills/ship-pseudocode/scripts/_common.sh b/.agents/skills/ship-pseudocode/scripts/_common.sh
index a6d6613f64a34..2d0ca407245ef 100644
--- a/.agents/skills/ship-pseudocode/scripts/_common.sh
+++ b/.agents/skills/ship-pseudocode/scripts/_common.sh
@@ -6,15 +6,17 @@ repo_root() {
 
 # /usr/bin first: Xcode's export step passes rsync flags only Apple's rsync accepts.
 # Node 26, the version package.json pins: the build scripts are TypeScript that Node strips types from.
+# Cargo: the desktop build compiles a Rust resource monitor; Homebrew's rustup is keg-only.
 setup_path() {
-  local root="$1" node26
+  local root="$1" node26 rustup_bin
   node26="$(ls -d "$HOME"/.nvm/versions/node/v26.* 2>/dev/null | sort -V | tail -1 || true)"
   [ -n "$node26" ] || node26="$(brew --prefix node@26 2>/dev/null || true)"
   if [ -z "$node26" ] || [ ! -x "$node26/bin/node" ]; then
     echo "Node 26 is required. Install it with: brew install node@26" >&2
     exit 1
   fi
-  export PATH="/usr/bin:$node26/bin:$root/node_modules/.bin:$PATH"
+  rustup_bin="$(brew --prefix rustup 2>/dev/null || true)/bin"
+  export PATH="/usr/bin:$node26/bin:$rustup_bin:$HOME/.cargo/bin:$root/node_modules/.bin:$PATH"
 }
 
 # Branding and identifiers live in .env.local. The desktop build reads T3CODE_APP_NAME and