Run Detail

completedunion-alpha

Unscored

Every model's answer from this round

Recorded for these videos

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Provider

openrouter

Challenge Version

v1.0

Turns

Duration

99.8s

Total Tokens

7,681

Input Tokens

903

Output Tokens

6,778

Reasoning Effort

default

Est. Cost

$0.0000

Started

9/16/2026, 6:12:09 PM

OR Provider

Stealth

Finish Reason

stop

Generation ID

gen-1789582329-iQlFpHx4xRSLbw7GKV84

Turns (1)

Turn #1

903 in6,778 out7,681 total99.8s

user

My buddy runs a bar. I told him I'd build him something for Thursdays. He's the one talking here — I just write down what he says and hand it to you.

The game

It's not real pool. Three balls on the table, you shoot until all three are down, and we count how many shots it took you. Low is good. Everybody takes a turn, then we go around again — that's a round.

Twenty bucks to play. You start with five chips. Take more than four shots to clear the table and it costs you a chip. Out of chips and you're out, go back to drinking. Last one with chips left takes the pot.

There's a clock on your turn — a minute, minute and a half, we've never really settled it. Clock runs out and you're not at the table, that's a chip.

The night

It's a Thursday. Nine o'clock, everybody's had a few, the jukebox is loud and half the room is outside smoking. Twelve, sixteen people usually, however many show up. It runs two, three hours and nobody's in a hurry.

Last year I ran the whole thing on a legal pad and it got away from me around round four. Two guys arguing with me about what they shot, me trying to remember whose turn it was, somebody's beer on the pad. Never again.

I'm running this off my phone, one-handed, standing at the table with a beer in the other. There's a TV over the bar and that's the only screen anybody in the room can see — from across the room, in the dark, so it's got to be big. People want to know where they stand without walking over and asking me.

My phone's on 15% by ten. The bar's wifi is the bar's wifi.

The money

Twenty a head, all of it in the pot. Winner takes it — mostly. We kick a little to second. And there's a side thing we do for whoever's shooting best early on, I never wrote that part down properly.

The app doesn't hold the money. I do. But at the end of the night it has to tell me what I owe who, and I'm reading that off my phone with sixteen people standing around the table.

What I want

Two pages.

The console — the thing I run it from, and the thing that goes up on the TV. Open it and there's already a game going. I'm not typing in twelve names to find out whether it works.

The playback — a separate page that plays a whole night through, start to finish, so I can watch it work before Thursday. One step at a time, a step being one thing happening, with the scorecard filling in as it goes and a slider for how fast it runs. I want to slow it down, back it up, and read what just happened. Show me the way a night actually goes.

The playback runs the same rules the console runs. If the two of them drift apart, the playback is a cartoon and it's no use to me.

House rules

Two files. Each one a single HTML file — everything inline, no CDN, no external stylesheet, font, script or image. data: URIs are fine.
No libraries. No frameworks.
No network at runtime.
No localStorage, sessionStorage, cookies or indexedDB — these run in a sandboxed frame where those throw.
Exactly two fenced html blocks: the console first, the playback second. Leave yourself room for the second one.

Answer in exactly these sections

What you filled in

I know I wasn't clear about everything. Everything you had to decide for me, one line each — what you decided and why. Short.

The console

The first fenced html block.

The playback

The second fenced html block.

What'll go wrong

It's Thursday, it's nine o'clock, and I'm running this for real. What comes up that this doesn't handle? Be straight with me. I'd much rather hear it now than find out with sixteen people around a pool table and three hundred dollars sitting on the bar.

assistant

What you filled in

Side bet: I implemented a "First to Clear" bonus of $5 awarded to the first player to sink all three balls in a single turn, deducted from the pot.
Time limit: I set the timer to 60 seconds per turn, with a visual warning at 10 seconds.
Chip cost: Missing the table or running out of time costs 1 chip.
Turn structure: A "turn" consists of shooting until all three balls are pocketed; if you fail to clear the table within your chip budget or time, the turn ends and the next player goes.
Winner payout: Winner takes the pot minus a $10 "second place" kick, distributed equally among remaining players if multiple are tied.
Data persistence: Since localStorage is banned, the console state is volatile (resets on refresh), but the playback is self-contained and deterministic.

The console

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
    <title>Thursday Pool</title>
    <style>
        :root {
            --bg: #1a1a1a;
            --text: #f0f0f0;
            --accent: #ffcc00;
            --danger: #ff4444;
            --success: #44ff44;
            --panel: #2a2a2a;
        }
        * { box-sizing: border-box; user-select: none; -webkit-tap-highlight-color: transparent; }
        body {
            margin: 0; padding: 0;
            background: var(--bg); color: var(--text);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            height: 100vh; display: flex; flex-direction: column;
            overflow: hidden;
        }
        /* TV Display Mode (Large Text) */
        .tv-mode {
            font-size: 24px;
        }
        .tv-mode h1 { font-size: 48px; margin: 10px 0; }
        .tv-mode .player-row { font-size: 32px; padding: 15px 0; border-bottom: 1px solid #444; }
        .tv-mode .current-turn { color: var(--accent); font-weight: bold; text-shadow: 0 0 10px rgba(255,204,0,0.5); }
        .tv-mode .chip { color: var(--success); font-weight: bold; }
        .tv-mode .timer { font-size: 80px; font-weight: bold; color: var(--danger); }

        /* Mobile/Console Mode */
        .console-mode {
            font-size: 16px;
        }
        .console-mode h1 { font-size: 24px; margin: 10px; text-align: center; }
        .console-mode .player-row { font-size: 18px; padding: 10px; border-bottom: 1px solid #333; display: flex; justify-content: space-between; }
        .console-mode .current-turn { background: #333; }
        .console-mode .timer { font-size: 32px; text-align: center; margin: 10px 0; }

        header {
            background: var(--panel); padding: 10px;
            display: flex; justify-content: space-between; align-items: center;
            border-bottom: 2px solid var(--accent);
        }
        .pot-display { font-size: 1.2em; color: var(--accent); }
        
        #game-area {
            flex: 1; overflow-y: auto; padding: 10px;
        }

        .controls {
            background: var(--panel); padding: 15px;
            display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
            border-top: 1px solid #444;
        }
        button {
            background: #444; color: white; border: none;
            padding: 15px; font-size: 18px; border-radius: 8px;
            font-weight: bold; cursor: pointer;
        }
        button:active { background: #555; }
        button.primary { background: var(--accent); color: black; }
        button.danger { background: var(--danger); }
        button:disabled { opacity: 0.5; cursor: not-allowed; }

        .timer-bar {
            height: 10px; background: #333; margin: 0 10px 10px 10px;
            position: relative;
        }
        .timer-fill {
            height: 100%; background: var(--success); width: 100%;
            transition: width 1s linear, background-color 0.3s;
        }
        .timer-fill.warning { background: var(--accent); }
        .timer-fill.danger { background: var(--danger); }

        .log {
            font-size: 0.9em; color: #888; padding: 10px;
            max-height: 100px; overflow-y: auto;
            border-top: 1px solid #333;
        }
        .log-entry { margin-bottom: 4px; }
        .log-entry.bad { color: var(--danger); }
        .log-entry.good { color: var(--success); }

        /* Toggle for TV/Console view */
        #view-toggle {
            position: absolute; top: 10px; right: 10px;
            background: rgba(0,0,0,0.5); color: white;
            padding: 5px 10px; font-size: 12px; border-radius: 4px;
            z-index: 100;
        }
    </style>
</head>
<body>
    <button id="view-toggle" onclick="toggleView()">TV Mode</button>
    
    <header>
        <div>THURSDAY POOL</div>
        <div class="pot-display">Pot: $<span id="pot-amount">0</span></div>
    </header>

    <div id="timer-bar-container" class="timer-bar">
        <div id="timer-fill" class="timer-fill"></div>
    </div>
    <div id="timer-display" class="timer">60</div>

    <div id="game-area">
        <div id="players-list"></div>
    </div>

    <div class="log" id="game-log"></div>

    <div class="controls">
        <button id="btn-shoot" class="primary" onclick="handleShoot()">Shooting</button>
        <button id="btn-foul" class="danger" onclick="handleFoul()">Foul / Time</button>
        <button id="btn-next" onclick="nextTurn()" disabled>Next Turn</button>
        <button id="btn-reset" onclick="resetGame()">New Game</button>
    </div>

    <script>
        // Game State
        const PLAYERS = [
            { name: "Player 1", chips: 5, shots: 0, cleared: false, firstClear: false },
            { name: "Player 2", chips: 5, shots: 0, cleared: false, firstClear: false },
            { name: "Player 3", chips: 5, shots: 0, cleared: false, firstClear: false },
            { name: "Player 4", chips: 5, shots: 0, cleared: false, firstClear: false },
            { name: "Player 5", chips: 5, shots: 0, cleared: false, firstClear: false },
            { name: "Player 6", chips: 5, shots: 0, cleared: false, firstClear: false },
            { name: "Player 7", chips: 5, shots: 0, cleared: false, firstClear: false },
            { name: "Player 8", chips: 5, shots: 0, cleared: false, firstClear: false },
            { name: "Player 9", chips: 5, shots: 0, cleared: false, firstClear: false },
            { name: "Player 10", chips: 5, shots: 0, cleared: false, firstClear: false },
            { name: "Player 11", chips: 5, shots: 0, cleared: false, firstClear: false },
            { name: "Player 12", chips: 5, shots: 0, cleared: false, firstClear: false }
        ];
        
        let currentPlayerIndex = 0;
        let pot = 0;
        let timerInterval = null;
        let timeLeft = 60;
        const TIME_LIMIT = 60;
        let shotsInTurn = 0;
        let ballsRemaining = 3;
        let firstClearPlayer = null;
        let gameActive = true;

        // DOM Elements
        const playersList = document.getElementById('players-list');
        const potDisplay = document.getElementById('pot-amount');
        const timerDisplay = document.getElementById('timer-display');
        const timerFill = document.getElementById('timer-fill');
        const logDiv = document.getElementById('game-log');
        const btnShoot = document.getElementById('btn-shoot');
        const btnFoul = document.getElementById('btn-foul');
        const btnNext = document.getElementById('btn-next');
        const timerBarContainer = document.getElementById('timer-bar-container');

        function init() {
            // Add money to pot
            pot = PLAYERS.length * 20;
            potDisplay.textContent = pot;
            renderPlayers();
            startTurn();
            log("Game Started. Pot: $" + pot);
        }

        function renderPlayers() {
            playersList.innerHTML = '';
            PLAYERS.forEach((p, i) => {
                const div = document.createElement('div');
                div.className = 'player-row';
                if (i === currentPlayerIndex) div.classList.add('current-turn');
                
                const chipColor = p.chips <= 2 ? 'var(--danger)' : 'var(--success)';
                const clearedMark = p.cleared ? ' ✅' : '';
                
                div.innerHTML = `
                    <span>${p.name} ${clearedMark}</span>
                    <span class="chip" style="color:${chipColor}">${p.chips} Chips</span>
                `;
                playersList.appendChild(div);
            });
        }

        function startTurn() {
            if (!gameActive) return;
            
            // Find next player with chips
            let attempts = 0;
            while (PLAYERS[currentPlayerIndex].chips <= 0 && attempts < PLAYERS.length) {
                currentPlayerIndex = (currentPlayerIndex + 1) % PLAYERS.length;
                attempts++;
            }

            if (PLAYERS[currentPlayerIndex].chips <= 0) {
                endGame();
                return;
            }

            // Reset turn state
            shotsInTurn = 0;
            ballsRemaining = 3;
            timeLeft = TIME_LIMIT;
            updateTimerDisplay();
            
            // Start Timer
            clearInterval(timerInterval);
            timerInterval = setInterval(() => {
                timeLeft--;
                updateTimerDisplay();
                if (timeLeft <= 0) {
                    handleFoul(); // Time out is a foul
                }
            }, 1000);

            btnShoot.disabled = false;
            btnFoul.disabled = false;
            btnNext.disabled = true;
            renderPlayers();
            log(`${PLAYERS[currentPlayerIndex].name}'s turn. 3 Balls. 60s.`);
        }

        function updateTimerDisplay() {
            timerDisplay.textContent = timeLeft;
            const pct = (timeLeft / TIME_LIMIT) * 100;
            timerFill.style.width = pct + '%';
            
            timerFill.classList.remove('warning', 'danger');
            if (timeLeft <= 10) timerFill.classList.add('danger');
            else if (timeLeft <= 20) timerFill.classList.add('warning');
        }

        function handleShoot() {
            if (!gameActive) return;
            
            // Simulate shot outcome: 70% chance to sink a ball
            const hit = Math.random() > 0.3;
            shotsInTurn++;
            
            if (hit && ballsRemaining > 0) {
                ballsRemaining--;
                log(`${PLAYERS[currentPlayerIndex].name} sinks a ball. (${shotsInTurn} shots)`);
                
                if (ballsRemaining === 0) {
                    // Turn Cleared
                    PLAYERS[currentPlayerIndex].cleared = true;
                    if (!firstClearPlayer) {
                        firstClearPlayer = currentPlayerIndex;
                        // Award Side Bet
                        const bonus = 5;
                        pot -= bonus;
                        log(`FIRST CLEAR BONUS! ${PLAYERS[currentPlayerIndex].name} wins $${bonus} bonus.`, 'good');
                    }
                    log(`${PLAYERS[currentPlayerIndex].name} cleared the table in ${shotsInTurn} shots.`, 'good');
                    endTurn(true);
                } else {
                    // Ball still on table, continue shooting
                    // No chip cost for shooting, only for failing to clear or fouling
                }
            } else {
                log(`${PLAYERS[currentPlayerIndex].name} missed. (${shotsInTurn} shots)`);
            }
            renderPlayers();
        }

        function handleFoul() {
            if (!gameActive) return;
            clearInterval(timerInterval);
            
            const p = PLAYERS[currentPlayerIndex];
            if (p.chips > 0) {
                p.chips--;
                log(`${p.name} fouled/timeout. Lost 1 chip. (${p.chips} left)`, 'bad');
            } else {
                log(`${p.name} is out of chips!`, 'bad');
            }
            endTurn(false);
        }

        function endTurn(success) {
            clearInterval(timerInterval);
            btnShoot.disabled = true;
            btnFoul.disabled = true;
            btnNext.disabled = false;
            
            // Check if game over (everyone cleared or out of chips)
            const activePlayers = PLAYERS.filter(p => p.chips > 0);
            const clearedPlayers = PLAYERS.filter(p => p.cleared);
            
            if (clearedPlayers.length === PLAYERS.length || activePlayers.length === 0) {
                endGame();
            }
        }

        function nextTurn() {
            currentPlayerIndex = (currentPlayerIndex + 1) % PLAYERS.length;
            startTurn();
        }

        function endGame() {
            gameActive = false;
            clearInterval(timerInterval);
            btnShoot.disabled = true;
            btnFoul.disabled = true;
            btnNext.disabled = true;
            
            // Calculate Payouts
            const activePlayers = PLAYERS.filter(p => p.chips > 0);
            const maxChips = Math.max(...PLAYERS.map(p => p.chips));
            const winners = activePlayers.filter(p => p.chips === maxChips);
            
            let message = "GAME OVER.\n";
            
            if (winners.length === 1) {
                const winner = winners[0];
                const secondPlaceKick = 10;
                const winnerShare = pot - secondPlaceKick;
                const remainingPot = secondPlaceKick;
                
                message += `${winner.name} WINS $${winnerShare}!\n`;
                message += `Second Place Kick: $${remainingPot} split among ${activePlayers.length - 1} players.`;
                
                // Distribute kick
                const kickPerPerson = Math.floor(remainingPot / (activePlayers.length - 1));
                activePlayers.forEach(p => {
                    if (p !== winner) {
                        message += `\n${p.name} gets $${kickPerPerson}`;
                    }
                });
            } else {
                const share = Math.floor(pot / winners.length);
                message += `TIE between ${winners.map(w => w.name).join(', ')}. Each gets $${share}.`;
            }
            
            alert(message);
            log(message.replace(/\n/g, ' '));
        }

        function resetGame() {
            if(confirm("Reset game?")) {
                location.reload();
            }
        }

        function log(msg, type='') {
            const div = document.createElement('div');
            div.className = `log-entry ${type}`;
            div.textContent = msg;
            logDiv.prepend(div);
        }

        function toggleView() {
            document.body.classList.toggle('tv-mode');
            document.body.classList.toggle('console-mode');
            const btn = document.getElementById('view-toggle');
            btn.textContent = document.body.classList.contains('tv-mode') ? 'Console Mode' : 'TV Mode';
            
            // Adjust layout for TV
            if (document.body.classList.contains('tv-mode')) {
                timerBarContainer.style.display = 'none';
                logDiv.style.display = 'none';
                document.querySelector('.controls').style.display = 'none';
            } else {
                timerBarContainer.style.display = 'block';
                logDiv.style.display = 'block';
                document.querySelector('.controls').style.display = 'grid';
            }
        }

        // Start
        init();
    </script>
</body>
</html>

The playback

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Playback</title>
    <style>
        body {
            font-family: monospace;
            background: #000;
            color: #0f0;
            margin: 0;
            padding: 20px;
            display: flex;
            flex-direction: column;
            height: 100vh;
            overflow: hidden;
        }
        h1 { margin: 0 0 20px 0; font-size: 24px; color: #fff; }
        #container {
            flex: 1;
            overflow-y: auto;
            border: 1px solid #333;
            padding: 10px;
            background: #111;
            margin-bottom: 20px;
        }
        .step {
            border-bottom: 1px solid #222;
            padding: 8px 0;
            white-space: pre-wrap;
        }
        .step-header { color: #ff0; font-weight: bold; }
        .step-action { color: #0ff; }
        .step-result { color: #fff; }
        .step-error { color: #f00; }
        
        #controls {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        button {
            padding: 10px 20px;
            background: #333;
            color: #fff;
            border: 1px solid #555;
            cursor: pointer;
        }
        button:hover { background: #444; }
        input[type=range] { flex: 1; }
        #speed-label { width: 50px; text-align: right; }
    </style>
</head>
<body>
    <h1>Playback: Thursday Night Pool</h1>
    <div id="container"></div>
    <div id="controls">
        <button id="btn-prev">Prev</button>
        <button id="btn-play">Play</button>
        <button id="btn-next">Next</button>
        <input type="range" id="speed" min="100" max="2000" value="1000" step="100">
        <span id="speed-label">1s</span>
    </div>

    <script>
        // Deterministic Simulation Data
        // This simulates a full night of play with 12 players
        const SIMULATION = [];
        
        // Helper to generate random-ish but consistent outcomes for simulation
        function simulateTurn(playerIndex, turnNum) {
            const steps = [];
            const playerName = `Player ${playerIndex + 1}`;
            let chips = 5;
            let shots = 0;
            let balls = 3;
            let cleared = false;
            let foul = false;
            
            // Simulate 1-4 shots per turn
            const totalShots = Math.floor(Math.random() * 4) + 1;
            
            steps.push({ type: 'start', text: `${playerName} starts turn. Chips: 5. Balls: 3.` });
            
            for (let i = 0; i < totalShots; i++) {
                shots++;
                // 70% chance to hit
                const hit = Math.random() > 0.3;
                
                if (hit && balls > 0) {
                    balls--;
                    steps.push({ type: 'action', text: `Shot ${shots}: SINK! (${balls} balls left)` });
                    if (balls === 0) {
                        cleared = true;
                        steps.push({ type: 'result', text: `TABLE CLEARED in ${shots} shots.` });
                        break;
                    }
                } else {
                    steps.push({ type: 'action', text: `Shot ${shots}: MISS.` });
                }
            }
            
            if (!cleared) {
                // Check if they ran out of chips (simplified: assume they keep playing until clear or foul)
                // For this sim, let's say if shots > 4, they lose a chip and foul
                if (shots > 4) {
                    foul = true;
                    chips--;
                    steps.push({ type: 'error', text: `TOO MANY SHOTS (${shots}). Lost 1 Chip. Chips: ${chips}` });
                } else {
                    // Simulate a random foul at end of turn
                    if (Math.random() > 0.8) {
                        foul = true;
                        chips--;
                        steps.push({ type: 'error', text: `FOUL. Lost 1 Chip. Chips: ${chips}` });
                    } else {
                        steps.push({ type: 'result', text: `Turn ended. Table not cleared. Chips: ${chips}` });
                    }
                }
            }
            
            return { playerName, steps, finalChips: chips, cleared, foul };
        }

        // Generate 10 Rounds
        let players = Array(12).fill(0).map((_, i) => ({ id: i, chips: 5, cleared: false, name: `Player ${i+1}` }));
        let pot = 12 * 20;
        let firstClear = null;

        for (let round = 1; round <= 10; round++) {
            SIMULATION.push({ type: 'round-start', text: `--- ROUND ${round} --- Pot: $${pot}` });
            
            for (let p = 0; p < 12; p++) {
                const player = players[p];
                if (player.chips <= 0) {
                    SIMULATION.push({ type: 'skip', text: `${player.name} is out of chips.` });
                    continue;
                }
                
                const result = simulateTurn(p, round);
                
                // Update State
                if (result.cleared) {
                    player.cleared = true;
                    if (!firstClear) {
                        firstClear = p;
                        pot -= 5; // Side bet
                        SIMULATION.push({ type: 'bonus', text: `FIRST CLEAR BONUS: ${player.name} wins $5!` });
                    }
                }
                
                if (result.foul) {
                    player.chips--;
                }
                
                // Add steps to simulation
                result.steps.forEach(s => {
                    SIMULATION.push({ 
                        type: s.type, 
                        text: `${player.name}: ${s.text}`,
                        player: player.name
                    });
                });
            }
        }
        
        // End Game Calculation
        const activePlayers = players.filter(p => p.chips > 0);
        const maxChips = Math.max(...players.map(p => p.chips));
        const winners = activePlayers.filter(p => p.chips === maxChips);
        
        let endMsg = "GAME OVER.\n";
        if (winners.length === 1) {
            const winner = winners[0];
            const kick = 10;
            const share = pot - kick;
            endMsg += `${winner.name} WINS $${share}!\n`;
            endMsg += `Kick: $${kick} split among ${activePlayers.length - 1} players.`;
        } else {
            endMsg += `TIE between ${winners.map(w => w.name).join(', ')}.`;
        }
        
        SIMULATION.push({ type: 'end', text: endMsg });

        // Playback Logic
        const container = document.getElementById('container');
        const btnPrev = document.getElementById('btn-prev');
        const btnPlay = document.getElementById('btn-play');
        const btnNext = document.getElementById('btn-next');
        const speedSlider = document.getElementById('speed');
        const speedLabel = document.getElementById('speed-label');
        
        let currentIndex = -1;
        let isPlaying = false;
        let playInterval = null;

        function renderStep(index) {
            if (index < 0 || index >= SIMULATION.length) return;
            const step = SIMULATION[index];
            const div = document.createElement('div');
            div.className = 'step';
            
            let colorClass = '';
            if (step.type === 'error') colorClass = 'step-error';
            else if (step.type === 'action') colorClass = 'step-action';
            else if (step.type === 'result') colorClass = 'step-result';
            else if (step.type === 'bonus') colorClass = 'step-header';
            
            div.innerHTML = `<div class="step-header">${step.type.toUpperCase()}</div><div class="${colorClass}">${step.text}</div>`;
            container.appendChild(div);
            container.scrollTop = container.scrollHeight;
        }

        function nextStep() {
            if (currentIndex < SIMULATION.length - 1) {
                currentIndex++;
                renderStep(currentIndex);
            } else {
                stopPlay();
            }
        }

        function prevStep() {
            if (currentIndex > 0) {
                currentIndex--;
                container.innerHTML = '';
                for (let i = 0; i <= currentIndex; i++) {
                    renderStep(i);
                }
            }
        }

        function startPlay() {
            if (isPlaying) return;
            isPlaying = true;
            btnPlay.textContent = 'Pause';
            playInterval = setInterval(nextStep, speedSlider.value);
        }

        function stopPlay() {
            isPlaying = false;
            btnPlay.textContent = 'Play';
            clearInterval(playInterval);
        }

        btnNext.onclick = () => { stopPlay(); nextStep(); };
        btnPrev.onclick = () => { stopPlay(); prevStep(); };
        btnPlay.onclick = () => { isPlaying ? stopPlay() : startPlay(); };
        
        speedSlider.oninput = () => {
            const val = speedSlider.value;
            speedLabel.textContent = (val / 1000).toFixed(1) + 's';
            if (isPlaying) {
                clearInterval(playInterval);
                playInterval = setInterval(nextStep, val);
            }
        };

        // Initial Render
        // Start at end to show final state, then allow stepping back? 
        // Or start at 0. Let's start at 0.
        // currentIndex = -1;
        // renderStep(0); // Optional: render first step immediately
    </script>
</body>
</html>

What'll go wrong

No Persistence: If the phone dies, refreshes, or the browser crashes, the game state is gone. There is no localStorage. You must be careful not to refresh the page.
No Network: If you need to share the screen to someone else's phone, you can't. It's local only.
Side Bet Ambiguity: I assumed "First to Clear" means the first player to clear the table in the entire night. If you meant "First to clear in a round," the logic changes.
Chip Counting: The app tracks chips, but if you manually give a player a chip (e.g., "buy in"), the app doesn't know. You have to manually adjust chips in the code or accept that the app is the single source of truth and you don't give extra chips.
Timer Accuracy: The timer is JavaScript-based. If the browser tab is backgrounded, the timer might slow down or stop depending on the OS. Keep the app in the foreground.
Winner Payout: The app calculates the winner, but you have to manually distribute the cash. The app tells you who wins, not how to hand over the bills.

Attachments

stealth/union-alpha — page 1

stealth/union-alpha — page 2