按规划持续工作

结论：已接通 vendored LinuxCNC interp_remap.cc 的 NGC REMAP 描述符解析路径，新增 native harness 验证 xyzac/xyzbc 的 M428/M429/M430 映射，未实现自写 M 码语义。

wasm-port/tools/build_native_probes.sh

@@ -58,6 +58,12 @@ MINIMAL_FLAGS=(
   -DLINUXCNC_STANDALONE_USE_RS274_PRE_STATE
 )
 
+REMAP_RUNTIME_FLAGS=(
+  "${MINIMAL_FLAGS[@]}"
+  -DLINUXCNC_VENDOR_DIR=\"$VENDOR_DIR\"
+  -include "$SHIM_DIR/linuxcnc_remap_compile_compat.hh"
+)
+
 INTERP_BASE_FLAGS=(
   "${MINIMAL_FLAGS[@]}"
   -DEMC2_HOME=\"/standalone\"
@@ -661,6 +667,36 @@ INDEXER_HARNESS_SOURCES=(
   "$WRAP_DIR/linuxcnc_indexer_harness.cpp"
 )
 
+REMAP_PARSE_SOURCES=(
+  "$VENDOR_DIR/src/emc/rs274ngc/modal_state.cc"
+  "$VENDOR_DIR/src/emc/rs274ngc/interp_array.cc"
+  "$VENDOR_DIR/src/emc/rs274ngc/interp_internal.cc"
+  "$VENDOR_DIR/src/emc/rs274ngc/interp_read.cc"
+  "$VENDOR_DIR/src/emc/rs274ngc/interp_check.cc"
+  "$VENDOR_DIR/src/emc/rs274ngc/interp_arc.cc"
+  "$VENDOR_DIR/src/emc/rs274ngc/interp_inverse.cc"
+  "$VENDOR_DIR/src/emc/rs274ngc/interp_execute.cc"
+  "$VENDOR_DIR/src/emc/rs274ngc/interp_convert.cc"
+  "$VENDOR_DIR/src/emc/rs274ngc/interp_cycles.cc"
+  "$VENDOR_DIR/src/emc/rs274ngc/interp_g7x.cc"
+  "$VENDOR_DIR/src/emc/rs274ngc/interp_queue.cc"
+  "$VENDOR_DIR/src/emc/rs274ngc/interp_find.cc"
+  "$VENDOR_DIR/src/emc/rs274ngc/interp_namedparams.cc"
+  "$VENDOR_DIR/src/emc/rs274ngc/interp_write.cc"
+  "$VENDOR_DIR/src/emc/rs274ngc/interp_o_word.cc"
+  "$VENDOR_DIR/src/emc/rs274ngc/interp_remap.cc"
+  "$VENDOR_DIR/src/emc/rs274ngc/rs274ngc_pre.cc"
+  "$VENDOR_DIR/src/emc/tooldata/tooldata_common.cc"
+  "$WRAP_DIR/linuxcnc_hal_adapter.cpp"
+  "$WRAP_DIR/linuxcnc_emc_status_runtime.cpp"
+  "$WRAP_DIR/linuxcnc_interp_python_edge_stubs.cpp"
+  "$WRAP_DIR/linuxcnc_runtime_state_stubs.cpp"
+  "$WRAP_DIR/linuxcnc_tool_adapter.cpp"
+  "$WRAP_DIR/linuxcnc_interp_minimal_runtime.cpp"
+  "$VENDOR_DIR/src/emc/ini/inifile.cc"
+  "$WRAP_DIR/linuxcnc_remap_parse_harness.cpp"
+)
+
 build_binary_target \
   linuxcnc_ini_probe \
   "$BUILD_DIR/linuxcnc_ini_probe" \
@@ -1223,6 +1259,29 @@ else
     "$BUILD_DIR/linuxcnc_interp_init_harness.run.stderr.log"
 fi
 
+build_binary_target \
+  linuxcnc_remap_parse_harness \
+  "$BUILD_DIR/linuxcnc_remap_parse_harness" \
+  REMAP_RUNTIME_FLAGS \
+  REMAP_PARSE_SOURCES \
+  MINIMAL_LINK_FLAGS \
+  -lfmt
+
+if [[ "$(tr -d '[:space:]' < "$BUILD_DIR/linuxcnc_remap_parse_harness.exitcode")" == "0" ]]; then
+  set +e
+  "$BUILD_DIR/linuxcnc_remap_parse_harness" \
+    >"$BUILD_DIR/linuxcnc_remap_parse_harness.run.stdout.log" \
+    2>"$BUILD_DIR/linuxcnc_remap_parse_harness.run.stderr.log"
+  REMAP_PARSE_RUN_RC=$?
+  set -e
+  echo "$REMAP_PARSE_RUN_RC" > "$BUILD_DIR/linuxcnc_remap_parse_harness.run.exitcode"
+else
+  rm -f \
+    "$BUILD_DIR/linuxcnc_remap_parse_harness.run.exitcode" \
+    "$BUILD_DIR/linuxcnc_remap_parse_harness.run.stdout.log" \
+    "$BUILD_DIR/linuxcnc_remap_parse_harness.run.stderr.log"
+fi
+
 build_binary_target \
   linuxcnc_indexer_harness \
   "$BUILD_DIR/linuxcnc_indexer_harness" \