diff --git a/check-linuxcnc-tooldata-source-map.sh b/check-linuxcnc-tooldata-source-map.sh
index 0e37fd8..899b883 100755
--- a/check-linuxcnc-tooldata-source-map.sh
+++ b/check-linuxcnc-tooldata-source-map.sh
@@ -6,7 +6,7 @@ cd "$(dirname "$0")"
 # LinuxCNC source basis: this guard ties LinuxCNC tooldata/Submakefile,
 # src/emc/tooldata sources, native/WASM manifests, and wasm-safe tooldata shims
 # to the tooldata source map. It validates source coverage only; it does not
-# add CNC behavior or expand smoke parsing.
+# add CNC behavior, expand smoke parsing, or interpret G-code.
 linuxcnc_root=${LINUXCNC_ROOT:-../linuxcnc}
 linuxcnc_root=$(cd "$linuxcnc_root" && pwd)
 
@@ -179,7 +179,17 @@ for phrase in [
     "WASM-safe tooldata shims must preserve the LinuxCNC export surface",
     "inactive-DB return values",
     "./check-linuxcnc-tooldata-source-map.sh",
+    "does not interpret G-code",
 ]:
     if phrase not in doc:
         raise SystemExit(f"docs/linuxcnc-tooldata-source-map.md missing boundary phrase: {phrase}")
+
+for entry in [
+    "test-native.sh",
+    "test-linuxcnc-source-link.sh",
+    "build-wasm.sh",
+]:
+    text = Path(entry).read_text(encoding="utf-8")
+    if "./check-linuxcnc-tooldata-source-map.sh" not in text:
+        raise SystemExit(f"{entry} must run ./check-linuxcnc-tooldata-source-map.sh")
 PY
diff --git a/docs/linuxcnc-tooldata-source-map.md b/docs/linuxcnc-tooldata-source-map.md
index 20f36d1..3e96c22 100644
--- a/docs/linuxcnc-tooldata-source-map.md
+++ b/docs/linuxcnc-tooldata-source-map.md
@@ -49,6 +49,11 @@ source-link/shim guard only; it must not add CNC behavior and must not expand th
   source directory tracked in the native RS274 manifest.
 - `build-wasm.sh` must run tooldata link and symbol probes before copying
   browser artifacts.
+- `test-native.sh`, `test-linuxcnc-source-link.sh`, and `build-wasm.sh` must
+  run `./check-linuxcnc-tooldata-source-map.sh` before consuming tooldata-backed
+  native objects, source-linked LinuxCNC objects, or browser artifacts.
+- The tooldata source-map guard validates LinuxCNC source/shim ownership and
+  manifest drift only; it does not interpret G-code.
 
 ## Checks
 
@@ -58,6 +63,7 @@ Run:
 ./check-linuxcnc-tooldata-source-map.sh
 ./test-native.sh
 ./test-linuxcnc-source-link.sh
+./build-wasm.sh
 ```
 
 `check-linuxcnc-tooldata-source-map.sh` keeps this document, LinuxCNC tooldata