chore(release): 4.4.4 [skip ci]

## [4.4.4](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.4.3...v4.4.4) (2025-10-17)

### Bug Fixes

* **complement-race:** add pressure decay system and improve logging ([66992e8](66992e8770))

CHANGELOG.md

@@ -1,3 +1,22 @@
+## [4.4.4](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.4.3...v4.4.4) (2025-10-17)
+
+
+### Bug Fixes
+
+* **complement-race:** add pressure decay system and improve logging ([66992e8](https://github.com/antialias/soroban-abacus-flashcards/commit/66992e877065a42d00379ef8fae0a6e252b0ffcb))
+
+## [4.4.3](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.4.2...v4.4.3) (2025-10-17)
+
+
+### Bug Fixes
+
+* **complement-race:** train now moves in sprint mode ([54b46e7](https://github.com/antialias/soroban-abacus-flashcards/commit/54b46e771e654721e7fabb1f45ecd45daf8e447f))
+
+
+### Code Refactoring
+
+* simplify train debug logs to strings only ([334a49c](https://github.com/antialias/soroban-abacus-flashcards/commit/334a49c92e112c852c483b5dbe3a3d0aef8a5c03))
+
 ## [4.4.2](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.4.1...v4.4.2) (2025-10-17)
 
 

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

@@ -93,23 +93,10 @@ export function SteamTrainJourney({
   currentQuestion,
   currentInput,
 }: SteamTrainJourneyProps) {
-  console.log('🚂 [SteamTrainJourney] Render:', {
-    momentum,
-    trainPosition,
-    pressure,
-    elapsedTime,
-    currentQuestion,
-    currentInput,
-  })
-
   const { state } = useComplementRace()
-  console.log('🚂 [SteamTrainJourney] State from provider:', {
-    stations: state.stations,
-    passengers: state.passengers,
-    currentRoute: state.currentRoute,
-    gamePhase: state.gamePhase,
-    isGameActive: state.isGameActive,
-  })
+  console.log(
+    `🚂 Train: mom=${momentum} pos=${trainPosition} stations=${state.stations.length} passengers=${state.passengers.length}`
+  )
 
   const { getSkyGradient, getTimeOfDayPeriod } = useSteamJourney()
   const _skyGradient = getSkyGradient()

apps/web/src/arcade-games/complement-race/Provider.tsx

@@ -240,6 +240,9 @@ export function ComplementRaceProvider({ children }: { children: ReactNode }) {
     })
   }, [activePlayers, players])
 
+  // Debug logging ref (track last logged values)
+  const lastLogRef = useState({ key: '', count: 0 })[0]
+
   // Transform multiplayer state to look like single-player state
   const compatibleState = useMemo((): CompatibleGameState => {
     const localPlayer = localPlayerId ? multiplayerState.players[localPlayerId] : null
@@ -306,7 +309,7 @@ export function ComplementRaceProvider({ children }: { children: ReactNode }) {
       // Sprint mode specific
       momentum: localPlayer?.momentum || 0,
       trainPosition: localPlayer?.position || 0,
-      pressure: localPlayer?.momentum ? Math.min(100, localPlayer.momentum + 10) : 0,
+      pressure: localPlayer?.pressure || 0, // Use actual pressure from server (has decay)
       elapsedTime: multiplayerState.gameStartTime ? Date.now() - multiplayerState.gameStartTime : 0,
       lastCorrectAnswerTime: localPlayer?.lastAnswerTime || Date.now(),
       currentRoute: multiplayerState.currentRoute,
@@ -330,14 +333,28 @@ export function ComplementRaceProvider({ children }: { children: ReactNode }) {
     }
   }, [multiplayerState, localPlayerId, localUIState])
 
-  console.log('🚂 [Provider] Transformed sprint values:', {
-    momentum: compatibleState.momentum,
-    trainPosition: compatibleState.trainPosition,
-    pressure: compatibleState.pressure,
-    stations: compatibleState.stations?.length,
-    passengers: compatibleState.passengers?.length,
-    currentRoute: compatibleState.currentRoute,
-  })
+  // Debug logging: only log on answer submission or significant events
+  useEffect(() => {
+    if (compatibleState.style === 'sprint' && compatibleState.isGameActive) {
+      const key = `${compatibleState.correctAnswers}`
+
+      // Only log on new answers (not every frame)
+      if (lastLogRef.key !== key) {
+        console.log(
+          `🚂 Answer #${compatibleState.correctAnswers}: momentum=${compatibleState.momentum} pos=${Math.floor(compatibleState.trainPosition)} pressure=${compatibleState.pressure} streak=${compatibleState.streak}`
+        )
+        lastLogRef.key = key
+      }
+    }
+  }, [
+    compatibleState.correctAnswers,
+    compatibleState.momentum,
+    compatibleState.trainPosition,
+    compatibleState.pressure,
+    compatibleState.streak,
+    compatibleState.style,
+    compatibleState.isGameActive,
+  ])
 
   // Action creators
   const startGame = useCallback(() => {

apps/web/src/arcade-games/complement-race/Validator.ts

@@ -170,6 +170,7 @@ export class ComplementRaceValidator
         totalQuestions: 0,
         position: 0,
         momentum: 50, // Start with some momentum in sprint mode
+        pressure: 60, // Start with initial pressure
         isReady: false,
         isActive: true,
         currentAnswer: null,
@@ -317,12 +318,25 @@ export class ComplementRaceValidator
         updatedPlayer.position = Math.min(100, player.position + 100 / state.config.raceGoal)
       }
     } else if (state.config.style === 'sprint') {
-      // Sprint: Update momentum
+      // Sprint: Update momentum, pressure, AND position
       if (correct) {
         updatedPlayer.momentum = Math.min(100, player.momentum + 15)
+        // Add pressure on correct answer (add steam to boiler)
+        updatedPlayer.pressure = Math.min(100, player.pressure + 20)
       } else {
         updatedPlayer.momentum = Math.max(0, player.momentum - 10)
+        // Less pressure added on wrong answer
+        updatedPlayer.pressure = Math.min(100, player.pressure + 5)
       }
+
+      // Pressure decay: Every answer causes some steam to escape
+      // Decay rate: 8 points per answer (pressure naturally decreases over time)
+      updatedPlayer.pressure = Math.max(0, updatedPlayer.pressure - 8)
+
+      // Move train based on momentum (momentum/20 = position change per answer)
+      // Higher momentum = faster movement
+      const moveDistance = updatedPlayer.momentum / 20
+      updatedPlayer.position = Math.min(100, player.position + moveDistance)
     } else if (state.config.style === 'survival') {
       // Survival: Always move forward, speed based on accuracy
       const moveDistance = correct ? 5 : 2
@@ -522,12 +536,14 @@ export class ComplementRaceValidator
       return { valid: false, error: 'Routes only available in sprint mode' }
     }
 
-    // Reset all player positions to 0
+    // Reset all player positions to 0 for new route
     const resetPlayers: Record<string, PlayerState> = {}
     for (const [playerId, player] of Object.entries(state.players)) {
       resetPlayers[playerId] = {
         ...player,
         position: 0,
+        momentum: 50, // Reset momentum to starting value
+        pressure: 60, // Reset pressure to starting value
         passengers: [], // Clear any remaining passengers
       }
     }

apps/web/src/arcade-games/complement-race/types.ts

@@ -63,6 +63,7 @@ export interface PlayerState {
   // Position & Progress
   position: number // 0-100% for practice/sprint, lap count for survival
   momentum: number // 0-100 (sprint mode only)
+  pressure: number // 0-100 (sprint mode only, decays over time)
 
   // Current state
   isReady: boolean

package.json

@@ -1,6 +1,6 @@
 {
   "name": "soroban-monorepo",
-  "version": "4.4.2",
+  "version": "4.4.4",
   "private": true,
   "description": "Beautiful Soroban Flashcard Generator - Monorepo",
   "workspaces": [