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/tools/build_native_probes.sh

@@ -7,12 +7,14 @@ BUILD_DIR="$ROOT_DIR/build/native"
 WRAP_DIR="$ROOT_DIR/runtime/core/linuxcnc_wrap"
 SHIM_DIR="$ROOT_DIR/runtime/core/shims"
 INCLUDE_DIR="$ROOT_DIR/runtime/core/include"
+SOURCE_PROBE_MAP="$BUILD_DIR/source-probes.tsv"
 MINIMAL_GCODE_FIXTURE="$ROOT_DIR/tests/fixtures/gcode/minimal_linear.ngc"
 NAMEDPARAM_INI_FIXTURE="$ROOT_DIR/tests/fixtures/ini/namedparams.ini"
 CXX="${CXX:-g++}"
 CC="${CC:-gcc}"
 
 mkdir -p "$BUILD_DIR"
+: > "$SOURCE_PROBE_MAP"
 
 COMMON_FLAGS=(
   -std=c++20
@@ -179,6 +181,15 @@ compile_c_object() {
   return 1
 }
 
+record_source_probe() {
+  local target="$1"
+  local source="$2"
+
+  [[ "$target" == *_source_probe ]] || return 0
+  [[ "$source" == "$VENDOR_DIR/"* ]] || return 0
+  printf '%s\t%s\n' "${source#"$VENDOR_DIR"/}" "$target" >> "$SOURCE_PROBE_MAP"
+}
+
 link_needs_rebuild() {
   local output="$1"
   local cmdfile="$2"
@@ -293,6 +304,7 @@ build_object_target() {
     status=1
   fi
 
+  record_source_probe "$target" "$source"
   echo "$status" > "$BUILD_DIR/$target.exitcode"
   return "$status"
 }
@@ -314,6 +326,7 @@ build_c_object_target() {
     status=1
   fi
 
+  record_source_probe "$target" "$source"
   echo "$status" > "$BUILD_DIR/$target.exitcode"
   return "$status"
 }