按规划持续工作

结论：已将 vendored LinuxCNC bridge-mill 5axisgui.ngc 纳入五轴 remap/tool-table/file 执行 baseline，native、Node WASM 和 browser 均通过同源验证；bridgemill 按 LinuxCNC REMAP 方向验证，未实现自有 M 码或运动学语义。

wasm-port/tests/browser/interp_smoke.html

@@ -178,6 +178,26 @@
       return wasmDir;
     }
 
+    async function writeFiveAxisBridgeMillMachineFiles(interp) {
+      const sourceDir =
+        "../../vendor/linuxcnc/configs/sim/axis/vismach/5axis/bridgemill";
+      const wasmDir = "/work/browser-fiveaxis/bridgemill";
+      const remapFiles = ["428remap.ngc", "429remap.ngc", "430remap.ngc"];
+
+      await writeFetchedTextFile(interp, `${sourceDir}/5axis.ini`, `${wasmDir}/5axis.ini`);
+      await writeFetchedTextFile(interp, `${sourceDir}/5axis.tbl`, `${wasmDir}/5axis.tbl`);
+      for (const filename of remapFiles) {
+        await writeFetchedTextFile(
+          interp,
+          `${sourceDir}/remap_subs/${filename}`,
+          `${wasmDir}/remap_subs/${filename}`,
+        );
+      }
+      await writeFetchedTextFile(interp, `${sourceDir}/5axisgui.ngc`, `${wasmDir}/5axisgui.ngc`);
+
+      return wasmDir;
+    }
+
     async function verifyRejects(fixtureName, operation, expectedPattern) {
       try {
         await operation();
@@ -528,6 +548,31 @@
           "fiveaxis_linuxcnc_remap_file_execute=1",
         ].join("\n"),
       );
+      const fiveAxisBridgeMillDir = await writeFiveAxisBridgeMillMachineFiles(interp);
+      verifyExpectedOutput(
+        "browser_fiveaxis_bridgemill_5axisgui",
+        interp.runFiveAxisRemapFile(
+          `${fiveAxisBridgeMillDir}/5axisgui.ngc`,
+          `${fiveAxisBridgeMillDir}/5axis.ini`,
+        ),
+        [
+          "fiveaxis_ini_open=1",
+          "fiveaxis_tool_table_load=0",
+          "fiveaxis_parse_remap_1=0",
+          "fiveaxis_parse_remap_2=0",
+          "fiveaxis_parse_remap_3=0",
+          "fiveaxis_parsed_remap_count=3",
+          "fiveaxis_remaps_ready=1",
+          "fiveaxis_file_open=0",
+          "fiveaxis_file_read_count=2197",
+          "fiveaxis_file_execute_count=2197",
+          "fiveaxis_file_finish_count=137",
+          "fiveaxis_file_final_rc=1",
+          "fiveaxis_file_reached_exit=1",
+          "fiveaxis_hal_switchkins: rc=0 found=1 value=0",
+          "fiveaxis_linuxcnc_remap_file_execute=1",
+        ].join("\n"),
+      );
 
       verifyExpectedOutput(
         "restore_parameters_missing_file",