Chess City 0.1.1 — third-party components and licences
* chess.js 1.4.0 (Jeff Hlywa) — BSD-2-Clause — licenses/chess.js-BSD-2-Clause.txt
* Chess pieces "Cburnett" (Colin M.L. Burnett) — CC BY-SA 3.0 — licenses/pieces-cburnett-CC-BY-SA-3.0.txt
* Stockfish 17.1 (The Stockfish developers, see lab/sources/stockfish-AUTHORS) — GPL-3.0 — lab/licenses/GPL-3.0.txt.
  Complete corresponding source of the bundled engine builds: lab/sources/stockfish-17.1.0-corresponding-source.tar.gz and the NNUE network lab/sources/nn-9067e33176e8.nnue.
  The engine runs as a separate program in a Web Worker and talks UCI text; see lab/THIRD-PARTY-NOTICES.md.
* Puzzles: Lichess open puzzle database — CC0-1.0 — lab/licenses/CC0-1.0.txt (each puzzle links its source).
* City, buildings, cards, chests: Chess World original artwork (see world/asset-manifest-v2.json).
* Chess City app code, built-in search engine and starter puzzle selection: original work for this project.