参考所有分组，完成尽量多的内容：收紧WASM smoke source-map边界守卫

docs/linuxcnc-wasm-smoke-source-map.md

@@ -55,6 +55,11 @@ OPFS-only is the required boundary.
   restore/save failure handling, and browser app OPFS reload coverage.
 - Smoke wrappers must keep positive minimum coverage thresholds so accidental
   section loss is visible.
+- `test-native.sh`, `test-linuxcnc-source-link.sh`, and `build-wasm.sh` must
+  run `./check-linuxcnc-wasm-smoke-source-map.sh` before consuming Node/browser
+  WASM smoke coverage or browser artifacts.
+- The WASM smoke source-map guard validates LinuxCNC source-backed smoke
+  coverage only; it does not interpret G-code.
 
 ## Checks
 
@@ -64,6 +69,7 @@ Run:
 ./check-linuxcnc-wasm-smoke-source-map.sh
 ./test-native.sh
 ./test-linuxcnc-source-link.sh
+./build-wasm.sh
 ```
 
 `check-linuxcnc-wasm-smoke-source-map.sh` keeps this document, LinuxCNC source