按源标记Python绑定编译覆盖

结论：依据 LinuxCNC RS274 Python/Boost.Python 绑定源 canonmodule.cc、gcodemodule.cc、interpmodule.cc 与 py*.cc，blocker 分析新增 python-compile-covered 分组，锁定这些 blocker 已由 inert Python C API symbol probe 编译覆盖；Python/remap 执行仍保持禁用，未扩展 smoke。

检查：./test-linuxcnc-wasm-python-c-api-symbols.sh；./test-linuxcnc-wasm-blockers.sh linuxcnc-rs274-wasm-source-files.txt；CNC_SIM_WASM_BLOCKERS_SELF_CHECKS=1 ./test-linuxcnc-wasm-blockers.sh linuxcnc-rs274-wasm-source-files.txt；./check-linuxcnc-wasm-blockers-source-map.sh；./test-native.sh；./test-linuxcnc-source-link.sh。

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

@@ -8,6 +8,9 @@ a source-link/build guard only; it does not add CNC behavior and must not become
 
 - `src/emc/rs274ngc/gcodemodule.cc`, `canonmodule.cc`, `interpmodule.cc`, and
   `py*.cc` provide the Python and Boost.Python module binding blockers.
+- `test-linuxcnc-wasm-python-c-api-symbols.sh` compiles the blocked
+  Python/Boost.Python binding sources with inert Python/runtime shims so their
+  source surface is covered without enabling Python execution.
 - `src/emc/rs274ngc/interp_python.cc`, `interp_remap.cc`,
   `interp_namedparams.cc`, `interp_o_word.cc`, `interp_setup.cc`, and
   `rs274ngc_pre.cc` keep Python/Boost.Python remap paths as shimmed core
@@ -35,6 +38,7 @@ a source-link/build guard only; it does not add CNC behavior and must not become
 | Analyzer section | Count | Boundary |
 | --- | ---: | --- |
 | `python` | 8 | Blocked Python/Boost.Python module sources. |
+| `python-compile-covered` | 8 | Blocked Python/Boost.Python module sources compiled by the inert Python C API symbol probe while remaining blockers. |
 | `dlopen` | 0 | blocked `dlopen` and blocked tooldata-users remain empty. |
 | `tooldata` | 1 | Native tooldata mmap blocker. |
 | `tooldata-users` | 0 | Blocked tooldata user sources remain empty. |
@@ -80,6 +84,9 @@ Required tracked core examples:
   blocked-source replacements stay executable failures.
 - The WASM blockers source-map guard validates LinuxCNC source/blocker
   ownership and manifest drift only; it does not interpret G-code.
+- Python/Boost.Python blockers are compile-covered by the inert Python C API probe,
+  but they remain tracked blockers until Python/remap execution is ported,
+  wrapped, or replaced by a source-backed browser-safe LinuxCNC adaptation.
 
 ## Checks