Function delay

src/platforms/wasm/platform_time.cpp.hpp:25–31

namespace platforms {

void delay(fl::u32 ms) {
    if (ms == 0) return;
    u32 end = ::millis() + ms;
    while (::millis() < end) {
        // Busy-wait (no async pumping at platform layer)
    }
}

void delayMicroseconds(fl::u32 us) {
    if (us == 0) return;