参考所有分组，完成尽量多的内容：收紧RS274 source-map边界守卫

check-linuxcnc-rs274-source-map.sh

@@ -5,8 +5,8 @@ cd "$(dirname "$0")"
 
 # LinuxCNC source basis: this guard keeps the local source map aligned with the
 # LinuxCNC-root relative rs274 manifests that drive native and WASM source-link
-# probes. It validates documentation/manifest drift only; it does not interpret
-# CNC behavior.
+# probes. It validates documentation/manifest drift only; it does not add CNC
+# behavior, expand smoke parsing, or interpret G-code.
 python3 - <<'PY'
 from pathlib import Path
 
@@ -77,4 +77,26 @@ for section, expected_entries in expected.items():
         raise SystemExit(
             f"docs/linuxcnc-rs274-source-map.md {labels[section]} list no longer matches source manifest"
         )
+
+for phrase in [
+    "must not add CNC behavior",
+    "must not expand the temporary smoke parser",
+    "source coverage only",
+    "must not become browser API fields",
+    "temporary smoke parser fallback behavior",
+    "Browser-hostile dependencies must remain tracked blockers",
+    "./check-linuxcnc-rs274-source-map.sh",
+    "does not interpret G-code",
+]:
+    if phrase not in source_map:
+        raise SystemExit(f"docs/linuxcnc-rs274-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-rs274-source-map.sh" not in text:
+        raise SystemExit(f"{entry} must run ./check-linuxcnc-rs274-source-map.sh")
 PY