按规划继续工作

结论：补齐 LinuxCNC tooldata_common.cc 随机换刀器 load/save 验证边界，WASM/SDK/OPFS 只透传 random-toolchanger 配置；native、WASM、OPFS 和浏览器 smoke 验证已通过。

wasm-port/runtime/core/linuxcnc_wrap/linuxcnc_interp_wasm.cpp

@@ -172,6 +172,13 @@ void append_tool_table_state(std::ostringstream &output)
     if (standalone::get_tool_entry(&tool, 2) == 0) {
         append_tool_entry(output, "tool_2", tool);
     }
+    for (int idx = 0; idx < CANON_POCKETS_MAX; ++idx) {
+        if (standalone::get_tool_entry(&tool, idx) == 0 && tool.toolno != -1) {
+            std::ostringstream prefix;
+            prefix << "tool_pocket_" << idx;
+            append_tool_entry(output, prefix.str().c_str(), tool);
+        }
+    }
     output << "tool_index_for_tool_2=" << standalone::find_tool_index_for_tool(2) << "\n";
 }
 
@@ -196,6 +203,20 @@ void apply_parameter_assignments(Interp &interp, const char *assignments)
     }
 }
 
+char *load_tool_table_with_mode(const char *path, bool random_tool_changer)
+{
+    standalone::reset_tool_adapter();
+    tooldata_init(random_tool_changer);
+    tooldata_set_db(DB_NOTUSED);
+
+    std::ostringstream output;
+    output << "tooldata_random_toolchanger=" << (random_tool_changer ? 1 : 0) << "\n";
+    const int rc = tooldata_load(path);
+    output << "tooldata_load=" << rc << "\n";
+    append_tool_table_state(output);
+    return copy_result(output.str());
+}
+
 }  // namespace
 
 extern "C" {
@@ -350,15 +371,13 @@ char *lcinterp_save_parameters(const char *path, const char *assignments)
 EMSCRIPTEN_KEEPALIVE
 char *lcinterp_load_tool_table(const char *path)
 {
-    standalone::reset_tool_adapter();
-    tooldata_init(false);
-    tooldata_set_db(DB_NOTUSED);
+    return load_tool_table_with_mode(path, false);
+}
 
-    std::ostringstream output;
-    const int rc = tooldata_load(path);
-    output << "tooldata_load=" << rc << "\n";
-    append_tool_table_state(output);
-    return copy_result(output.str());
+EMSCRIPTEN_KEEPALIVE
+char *lcinterp_load_tool_table_random(const char *path)
+{
+    return load_tool_table_with_mode(path, true);
 }
 
 EMSCRIPTEN_KEEPALIVE