feat(difficulty): add difficulty-tier game mode with seed catalogs and home UI

Adds DifficultyLevel (Easy/Medium/Hard/Expert/Grandmaster/Random) to
solitaire_core::game_state alongside GameMode::Difficulty(DifficultyLevel).
Five seed catalogs (40 seeds each) are pre-verified by the new
gen_difficulty_seeds binary using tiered solver budgets (1K–200K moves).
DifficultyPlugin resolves StartDifficultyRequestEvent → catalog seed →
NewGameRequestEvent; Random uses a system-time seed and bypasses the
winnable-only filter. The home overlay gets an expandable Difficulty section
between Draw Mode and the mode grid; last-played tier persists in Settings.
Difficulty wins pool into Classic stats. 5 unit tests in difficulty_plugin.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

This commit is contained in:

funman300

2026-05-08 21:07:49 -07:00

parent 4df962ee07

commit 4303ef3f5b

14 changed files with 1074 additions and 29 deletions

									
										solitaire_assetgen/Cargo.toml
									
		+4
		
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				@@ -26,3 +26,7 @@ path = "src/bin/gen_art.rs"

				[[bin]]

				name = "gen_seeds"

				path = "src/bin/gen_seeds.rs"

				[[bin]]

				name = "gen_difficulty_seeds"

				path = "src/bin/gen_difficulty_seeds.rs"