DrawMode is a fieldless two-variant enum — it is trivially bitwise-
copyable. Adding Copy + updating choose_winnable_seed to take the value
directly eliminates 13 superfluous .clone() calls across solitaire_core,
solitaire_engine, solitaire_assetgen, and solitaire_wasm.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Adds a numeric-input modal (PlayBySeedPlugin) that lets the player type
a decimal seed and receive an instant solver-verified verdict before the
hand is dealt. A new HomeMode::PlayBySeed card surfaces it in the home
overlay, matched by the StartPlayBySeedRequestEvent carrier.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
funman300