提示词：补齐 PythonPlugin C API WASM shim 符号

结论：按 LinuxCNC src/emc/pythonplugin/python_plugin.cc 的初始化、导入、配置和 callable 调用路径，把 PyConfig/PyStatus、PyImport_*、PyDict_SetItemString、Py_InitializeFromConfig、PyRun_SimpleString、Py_GetVersion、PyObject_Call 等符号纳入 inert WASM Python C API shim；真实 Python 执行仍保持禁用。

检查：./test-linuxcnc-wasm-python-c-api-symbols.sh 通过；./test-native.sh 通过；./test-linuxcnc-source-link.sh 通过。

docs/linuxcnc-wasm-shims-source-map.md

@@ -63,9 +63,10 @@ only; it must not add CNC behavior and must not expand the temporary smoke parse
   `PythonPlugin` status edges for `PLUGIN_NO_SECTION`, `PLUGIN_BAD_INIFILE`,
   `PLUGIN_PYTHON_NOT_INITIALIZED`, `PLUGIN_NO_CALLABLE`, and
   `PLUGIN_EXCEPTION` while keeping Python execution disabled.
-- The PythonPlugin shim must not execute `bp::exec`, `bp::exec_file`, or
-  `PyObject_Call`; those remain browser blockers until implemented as a
-  source-backed browser-safe LinuxCNC adaptation.
+- The PythonPlugin shim must not execute `bp::exec`, `bp::exec_file`, or real
+  Python callable dispatch; `PyObject_Call` is an inert C API symbol only.
+  Browser Python execution remains blocked until implemented as a source-backed
+  browser-safe LinuxCNC adaptation.
 
 ## Boundaries