Velvet Sky ยท Firework Studio Adapted from Firework Simulator by NianBroken. Copyright 2022 NianBroken. Apache-2.0. Source: https://github.com/NianBroken/Firework_Simulator Commit: 2317d915c131de049e1e2e7ae791e67511985c4c Upstream credits: Firework Simulator v2 by Caleb Miller (https://codepen.io/MillerTime/pen/XgpNwb), haodong108/fireworks-2023. Changes: English studio interface, original cue composer and local saves, keyboard launch, fixed local generated waterfront, no remote backgrounds. Modified files retain original copyright. Apache-2.0 license in LICENSE.txt. Original GPT-generated gouache waterfront optimized locally to WebP. No upstream fonts or preview artwork reused.