强制WASM增量构建

结论：INI和解释器WASM构建已改为对象、依赖和命令指纹驱动的增量编译，并将所有构建必须增量写入项目规则。

wasm-port/AGENTS.md

@@ -70,6 +70,9 @@ 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
+   object files, dependency files, and command fingerprints, and must not
+   unconditionally recompile unchanged source files.
 
 ## Required Layout