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🎨 Palette: Add explicit jump instructions to Mario game #166

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🎨 Palette: Add explicit jump instructions to Mario game #166

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a1f24cf
🎨 Palette: Add jump instructions and score a11y to Mario game
google-labs-jules[bot] May 18, 2026
95b1dc4
🎨 Palette: Fix CI error and add jump instructions to Mario game
google-labs-jules[bot] May 18, 2026
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4 changes: 4 additions & 0 deletions .Jules/palette.md
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## 2025-03-23 - Game Key Scrolling
**Learning:** Browsers natively scroll the page when users press Space or Arrow keys. When building a web-based game, this creates a frustrating UX where the game viewport jumps around while playing.
**Action:** Always call `e.preventDefault()` on keydown events for typical game controls ("Space", "ArrowUp", etc.) when the focus is on a game container or the body.

## 2025-03-24 - Explicit Instructions for Custom Interactive Elements
**Learning:** When building interactive HTML5 widgets or games with custom keyboard event bindings, users often don't know the required inputs immediately, causing frustration or abandonment.
**Action:** Always provide explicit, visible instructional text (e.g., "Press Space or Up Arrow to jump!") so users know the required inputs.
1 change: 0 additions & 1 deletion requirements.txt
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numpy
pandas
requests
venv
13 changes: 12 additions & 1 deletion src/views/mario-game.njk
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font-size: 20px;
font-family: Arial;
}

#instructions {
position: absolute;
top: 40px;
left: 10px;
color: white;
font-size: 16px;
font-family: Arial;
opacity: 0.8;
}
</style>
</head>

<body>

<div id="game">
<div id="score">Score: 0</div>
<div id="score" aria-live="polite" aria-atomic="true">Score: 0</div>
<div id="instructions">Press Space or Up Arrow to jump!</div>
<div id="mario"></div>
<div class="ground"></div>
</div>
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