feat: skip intro screen and start directly at game setup

Remove "How to Play" screen in favor of self-explanatory UX.
Users now land directly on the game configuration page where they
can immediately see and select their preferred game mode, style,
and difficulty.

The game mechanics are intuitive enough that they can be learned
through play rather than reading instructions.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

apps/web/src/app/games/complement-race/components/RaceTrack/SteamTrainJourney.tsx

@@ -316,11 +316,11 @@ export function SteamTrainJourney({ momentum, trainPosition, pressure, elapsedTi
                 x={pos.x}
                 y={pos.y + 50}
                 textAnchor="middle"
-                fontSize="18"
+                fontSize="20"
                 fontWeight="900"
                 fill="#1f2937"
                 stroke="#f59e0b"
-                strokeWidth="1"
+                strokeWidth="0.5"
                 style={{
                   pointerEvents: 'none',
                   fontFamily: '"Comic Sans MS", "Chalkboard SE", "Bradley Hand", cursive',

apps/web/src/app/games/complement-race/context/ComplementRaceContext.tsx

@@ -68,7 +68,7 @@ const initialState: GameState = {
   // Game status
   isGameActive: false,
   isPaused: false,
-  gamePhase: 'intro',
+  gamePhase: 'controls',
 
   // Timing
   gameStartTime: null,
@@ -292,7 +292,7 @@ function gameReducer(state: GameState, action: GameAction): GameState {
         mode: state.mode,
         style: state.style,
         timeoutSetting: state.timeoutSetting,
-        gamePhase: 'intro'
+        gamePhase: 'controls'
       }
 
     case 'TRIGGER_AI_COMMENTARY':