按源链接Python绑定探针

结论：依据 LinuxCNC canonmodule.cc、interpmodule.cc 与 py*.cc，新增 Python binding link probe，证明 7 个 non-gcodemodule blocked binding 对象可与 inert Python/runtime shims 链接；同时负向锁定 gcodemodule.cc 与浏览器 runtime canon bridge 的 Canon 回调重定义冲突，Python/remap 执行仍禁用，未扩展 smoke。

检查：./test-linuxcnc-wasm-python-binding-link.sh；./test-linuxcnc-wasm-python-c-api-symbols.sh；./test-linuxcnc-wasm-runtime-link.sh；git diff --check；./test-native.sh；./test-linuxcnc-source-link.sh。

test-native.sh

@@ -77,6 +77,8 @@ grep -F 'LINUXCNC_ROOT="$linuxcnc_root" ./check-linuxcnc-inputs-cached.sh "$mani
 grep -F 'LinuxCNC source basis: Puma560 DH parameter output is generated from' generate-linuxcnc-puma560-dh-parameters.sh >/dev/null
 grep -F 'LinuxCNC source basis: all-native guardrails lock source-backed manifests' test-all-native.sh >/dev/null
 grep -F 'LinuxCNC source basis: this probe derives required Python C API exports from' test-linuxcnc-wasm-python-c-api-symbols.sh >/dev/null
+grep -F 'LinuxCNC source basis: src/emc/rs274ngc/canonmodule.cc, interpmodule.cc,' test-linuxcnc-wasm-python-binding-link.sh >/dev/null
+grep -F 'LinuxCNC wasm Python binding link probe' build-wasm.sh >/dev/null
 grep -F 'LinuxCNC source basis: this probe compares wasm-safe tooldata runtime stubs' test-linuxcnc-wasm-tooldata-runtime-symbols.sh >/dev/null
 grep -F 'LinuxCNC source basis: the standalone probe links src/emc/rs274ngc/interp_base.cc' test-linuxcnc-wasm-interp-base-link.sh >/dev/null
 grep -F 'LinuxCNC source basis: src/emc/pythonplugin/python_plugin.cc and' test-linuxcnc-wasm-python-plugin-link.sh >/dev/null