Initial wasm simulator checkpoint

build-wasm.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+cd "$(dirname "$0")"
+
+if ! command -v emcmake >/dev/null 2>&1; then
+    echo "Emscripten is required. Install/activate emsdk so emcmake and emcc are in PATH." >&2
+    exit 1
+fi
+
+emcmake cmake -S core -B build/wasm -DCMAKE_BUILD_TYPE=Release
+cmake --build build/wasm
+
+mkdir -p web/public
+cp build/wasm/cnc_sim.js web/public/
+cp build/wasm/cnc_sim.wasm web/public/