按推荐建议，继续执行

结论：新增 source-probes.tsv 映射并在 native 验证中比对 source-manifest，确保每个 vendored LinuxCNC .c/.cc 源文件都有显式 standalone 源码编译探针。

wasm-port/tests/native/verify_native_probes.sh

@@ -12,6 +12,46 @@ NAMEDPARAM_INI_FIXTURE="$ROOT_DIR/tests/fixtures/ini/namedparams.ini"
 "$ROOT_DIR/tools/verify_vendor_sync.sh"
 "$ROOT_DIR/tools/build_native_probes.sh"
 
+check_source_probe_coverage() {
+  local manifest_sources="$BUILD_DIR/source-manifest-sources.sorted"
+  local probe_sources="$BUILD_DIR/source-probe-sources.sorted"
+  local duplicate_probe_sources="$BUILD_DIR/source-probe-sources.duplicates"
+
+  awk '
+    /^[[:space:]]*($|#)/ { next }
+    /\.(c|cc)$/ { print }
+  ' "$ROOT_DIR/tools/source-manifest.txt" | sort > "$manifest_sources"
+
+  if [[ ! -f "$BUILD_DIR/source-probes.tsv" ]]; then
+    echo "missing source probe map: $BUILD_DIR/source-probes.tsv" >&2
+    exit 1
+  fi
+
+  cut -f1 "$BUILD_DIR/source-probes.tsv" | sort > "$probe_sources"
+  uniq -d "$probe_sources" > "$duplicate_probe_sources"
+  if [[ -s "$duplicate_probe_sources" ]]; then
+    echo "duplicate source probe entries:" >&2
+    cat "$duplicate_probe_sources" >&2
+    exit 1
+  fi
+
+  local missing_sources
+  missing_sources="$(comm -23 "$manifest_sources" "$probe_sources")"
+  if [[ -n "$missing_sources" ]]; then
+    echo "manifest source files without source probes:" >&2
+    printf '%s\n' "$missing_sources" >&2
+    exit 1
+  fi
+
+  local extra_sources
+  extra_sources="$(comm -13 "$manifest_sources" "$probe_sources")"
+  if [[ -n "$extra_sources" ]]; then
+    echo "source probes not listed in manifest:" >&2
+    printf '%s\n' "$extra_sources" >&2
+    exit 1
+  fi
+}
+
 check_exitcode() {
   local name="$1"
   local file="$BUILD_DIR/$name.exitcode"
@@ -32,6 +72,7 @@ check_exitcode() {
   fi
 }
 
+check_source_probe_coverage
 check_exitcode linuxcnc_interp_state_probe
 check_exitcode linuxcnc_inifile_source_probe
 check_exitcode linuxcnc_tp_api_probe