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F012 — Bet Cancellation

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Business Rule

• Removes pending bets from the display
• Restores the game state to whatever has been committed to the server

• JS / TS: Bet is reflected immediately in UI; TS deducts credits immediately, JS deducts in batch at CC_DEDUCT_BETS
• UMA: Bets are NOT committed to the API until the Deal button (spin) is pressed; cancel before Deal results in zero committed bets for the current stage

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JavaScript Reference

• CancelButtonPressed() calls ClearRoundBets() which zeros handBetValue[hand][GetDealStatus()] for all hands at the current deal stage.
• Credits have not yet been deducted (deduction happens at CC_DEDUCT_BETS), so cancel is a pure UI reset.
• Cancel scope: current stage only, all hands

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TypeScript Implementation

• Per-hand cancel button calls cancelBets(handIndex) which removes bets for that hand from all stages and refunds credits immediately.
• Cancel scope: all stages, per-hand (intentional difference from JS — see F011 design differences)

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UMA Implementation

1. Fetching /api/tables/{tableId}/state (the current committed server state)
2. Rebuilding buildGameStatus(currentHoleState, state) from the API response
3. Re-publishing Api:action:dataReceived with the refreshed state
4. Setting window._cancelRefreshDone = true

// platform.js ~line 545
} else if (ps.type === 'connect:GameRequest') {
  fetchAPI('/api/tables/' + TABLE_ID + '/state', 'GET')
    .then(function (state) {
      var gdkData = buildGameStatus(currentHoleState, state);
      var players = gdkData.publicState.gameData[0].gameExtra.player;
      window._lastStages = players ? players.map(function (p) { return p.stages; }) : [];
      window._cancelRefreshDone = true;
      GDK.publish('Api:action:dataReceived', gdkData);
    });
}

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Acceptance Criteria

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UMA-testable ACs (via state bridge)

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Version Parity

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Test Coverage

VERSION=uma npx playwright test tests/features/F012-bet-cancellation.spec.ts --project=features --workers=1

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Related Features

• F011 — Bet Placement (bets that cancel would remove)
• F010 — Chip Denominations (the chip value that was pending)
• F016 — Credits Wallet (TS only: cancel refunds credits immediately)