按规划持续工作

结论：接通 LinuxCNC M68/M66 到 standalone HAL adapter 的同步边界，新增 native remap/HAL 验证，确认 5axis switchkins remap 所需的 _hal[motion.switchkins-type] 读回路径可用。

wasm-port/tools/build_native_probes.sh

@@ -697,6 +697,11 @@ REMAP_PARSE_SOURCES=(
   "$WRAP_DIR/linuxcnc_remap_parse_harness.cpp"
 )
 
+REMAP_HAL_SYNC_SOURCES=(
+  "${INTERP_CORE_SOURCES[@]}"
+  "$WRAP_DIR/linuxcnc_remap_hal_sync_harness.cpp"
+)
+
 build_binary_target \
   linuxcnc_ini_probe \
   "$BUILD_DIR/linuxcnc_ini_probe" \
@@ -1282,6 +1287,28 @@ else
     "$BUILD_DIR/linuxcnc_remap_parse_harness.run.stderr.log"
 fi
 
+build_binary_target \
+  linuxcnc_remap_hal_sync_harness \
+  "$BUILD_DIR/linuxcnc_remap_hal_sync_harness" \
+  REMAP_RUNTIME_FLAGS \
+  REMAP_HAL_SYNC_SOURCES \
+  MINIMAL_LINK_FLAGS
+
+if [[ "$(tr -d '[:space:]' < "$BUILD_DIR/linuxcnc_remap_hal_sync_harness.exitcode")" == "0" ]]; then
+  set +e
+  "$BUILD_DIR/linuxcnc_remap_hal_sync_harness" \
+    >"$BUILD_DIR/linuxcnc_remap_hal_sync_harness.run.stdout.log" \
+    2>"$BUILD_DIR/linuxcnc_remap_hal_sync_harness.run.stderr.log"
+  REMAP_HAL_SYNC_RUN_RC=$?
+  set -e
+  echo "$REMAP_HAL_SYNC_RUN_RC" > "$BUILD_DIR/linuxcnc_remap_hal_sync_harness.run.exitcode"
+else
+  rm -f \
+    "$BUILD_DIR/linuxcnc_remap_hal_sync_harness.run.exitcode" \
+    "$BUILD_DIR/linuxcnc_remap_hal_sync_harness.run.stdout.log" \
+    "$BUILD_DIR/linuxcnc_remap_hal_sync_harness.run.stderr.log"
+fi
+
 build_binary_target \
   linuxcnc_indexer_harness \
   "$BUILD_DIR/linuxcnc_indexer_harness" \