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🎨 Palette: Add keyboard shortcut hint and accessible score updates #137

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🎨 Palette: Add keyboard shortcut hint and accessible score updates #137

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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.

## 2026-04-17 - Dynamic Game Score A11y
**Learning:** Dynamic status updates in games (like score increments) are visually obvious but completely invisible to screen readers without ARIA attributes.
**Action:** Add `aria-live="polite"` and `aria-atomic="true"` to game score/status containers so assistive technologies announce value changes automatically.
12 changes: 11 additions & 1 deletion src/views/mario-game.njk
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font-size: 20px;
font-family: Arial;
}

#controls-hint {
position: absolute;
top: 40px;
left: 10px;
color: rgba(255, 255, 255, 0.8);
font-size: 14px;
font-family: Arial;
}
</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="controls-hint">Press <kbd>Space</kbd> or <kbd>↑</kbd> to jump</div>
<div id="mario"></div>
<div class="ground"></div>
</div>
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