V8 / JS ENGINE CONTEXT WASM LINEAR MEMORY (SHARED) ZERO-COPY TRANSPARENT WINDOW ZIG NATIVE RUNTIME onClick() write(val) same memory flush() React Component User interacts with UI triggering an event. State Dispatch State updates and prepares data for WASM. TS Uint32Array JS typed array view over the shared memory buffer. Zig Native Mem Zig reads exact same bytes without copying overhead. Terminal Stdout Native logic processes and outputs the result.