Function generate_wasm_project 

pub fn generate_wasm_project(
    graph: &Graph,
    output_dir: &Path,
    model_name: &str,
) -> Result<(), WasmCodegenError>

Generate a complete WASM Cargo project from a computation graph.

Creates:

• Cargo.toml — targeting wasm32-unknown-unknown with wasm-bindgen
• src/lib.rs — SIMD128-accelerated kernels + WasmModel export
• pkg/model.js — JS glue layer for browser integration