参考所有分组，完成尽量多的内容。禁止顺手扩功能 smoke：锁定浏览器OPFS段名守卫

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

@@ -42,6 +42,9 @@ OPFS-only is the required boundary.
   `.new` files, and `.bak` backups under OPFS-backed storage.
 - Generated switchkins config smoke cases must continue to come from
   `web/public/linuxcnc_switchkins_remap_config_cases.json`.
+- The browser smoke shell guard also pins required section names for LinuxCNC
+  browser parsing, OPFS parameter restore/save failure handling, and browser
+  app OPFS reload coverage.
 - Smoke wrappers must keep positive minimum coverage thresholds so accidental
   section loss is visible.