Server mode: `wasmrun ./project` compiles Rust, Go, C/C++, AssemblyScript or Python to WASM and serves it. Web apps (Leptos, wasm-bindgen) run on their own por
t next to a control center.
Exec mode: `wasmrun exec app.wasm` runs a module natively with WASI, preopened dirs, memory and fuel limits, and real exit codes.



