按规划继续工作

结论：解释器 WASM、SDK 统一入口、浏览器解释器 smoke 与兼容性文档已闭环，native 和 host/WASM/browser 验证全部通过。

wasm-port/AGENTS.md

@@ -70,7 +70,12 @@ expanded into a separate implementation of G-code behavior.
    - GUI.
 7. Frontend code must be implemented with web technology, not migrated from
    native GUI code.
-8. All build scripts must be incremental. Native and WASM builds must reuse
+8. Frontend, browser tests, and Node WASM tests should call generated WASM
+   modules through `runtime/sdk/src/index.js`. SDK code is a host-boundary
+   layer only: it may load modules, manage strings, write Emscripten files,
+   and call exported C ABI functions, but it must not implement G-code,
+   canonical motion, tool, parameter, kinematics, or planner semantics.
+9. All build scripts must be incremental. Native and WASM builds must reuse
    object files, dependency files, and command fingerprints, and must not
    unconditionally recompile unchanged source files.