refactor(blackjack): remove unnecessary comments and clean code

frontend/src/app/feature/game/blackjack/blackjack.component.html

@@ -6,7 +6,6 @@
       <app-dealer-hand [cards]="dealerCards()"></app-dealer-hand>
       <app-player-hand [cards]="playerCards()"></app-player-hand>
 
-      <!-- Action message indicator -->
       @if (isActionInProgress()) {
         <div class="flex justify-center">
           <div

frontend/src/app/feature/game/blackjack/blackjack.component.ts

@@ -43,7 +43,6 @@ export default class BlackjackComponent {
   gameState = signal<string>('IN_PROGRESS');
   showGameResult = signal(false);
 
-  // Add loading state trackers
   isActionInProgress = signal(false);
   currentAction = signal<string>('');
 
@@ -64,7 +63,6 @@ export default class BlackjackComponent {
     this.gameInProgress.set(game.state === 'IN_PROGRESS');
     this.gameState.set(game.state);
 
-    // When game ends, make sure all dealer cards are visible
     const isGameOver = game.state !== 'IN_PROGRESS';
 
     this.dealerCards.set(
@@ -81,12 +79,10 @@ export default class BlackjackComponent {
       }))
     );
 
-    // Only refresh and show game result if the game has ended
     if (isGameOver) {
       console.log('Game is over, state:', game.state);
       this.refreshUserBalance();
 
-      // Show result immediately without resetting first
       this.showGameResult.set(true);
       console.log('Game result dialog should be shown now');
     }

frontend/src/app/feature/game/blackjack/components/dealer-hand/dealer-hand.component.ts

@@ -48,13 +48,11 @@ export class DealerHandComponent implements OnChanges {
     const newCards = this.cards.length > this.lastCardCount;
 
     this.cardsWithState = this.cards.map((card, index) => {
-      // Consider a card new if it's added after the initial state and is the latest card
       const isNew = newCards && index >= this.lastCardCount;
 
       return {
         ...card,
         isNew,
-        // Generate a unique ID to help Angular track the cards
         id: `${card.suit}-${card.rank}-${index}`,
       };
     });

frontend/src/app/feature/game/blackjack/components/player-hand/player-hand.component.ts

@@ -50,13 +50,11 @@ export class PlayerHandComponent implements OnChanges {
     const newCards = this.cards.length > this.lastCardCount;
 
     this.cardsWithState = this.cards.map((card, index) => {
-      // Consider a card new if it's added after the initial state and is the latest card
       const isNew = newCards && index >= this.lastCardCount;
 
       return {
         ...card,
         isNew,
-        // Generate a unique ID to help Angular track the cards
         id: `${card.suit}-${card.rank}-${index}`,
       };
     });