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🎨 Palette: Add game accessibility and keyboard hints #191

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🎨 Palette: Add game accessibility and keyboard hints #191

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de15d16
🎨 Palette: Add accessibility updates and explicit keyboard hints to M…
google-labs-jules[bot] Jun 11, 2026
fff8856
🎨 Palette: Add accessibility updates and explicit keyboard hints to M…
google-labs-jules[bot] Jun 11, 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.

## 2026-06-11 - Dynamic Content and Static Instructional Text
**Learning:** Placing static text (like instructions) inside an `aria-live` region forces screen readers to unnecessarily repeat the static text every time the dynamic content updates, which is highly disruptive to the UX.
**Action:** Always extract static instructional text into a separate sibling element outside of dynamic `aria-live` regions.
1 change: 0 additions & 1 deletion requirements.txt
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@@ -1,4 +1,3 @@
numpy
pandas
requests
venv
13 changes: 12 additions & 1 deletion src/views/mario-game.njk
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Expand Up @@ -52,13 +52,24 @@
font-size: 20px;
font-family: Arial;
}

#instructions {
position: absolute;
top: 35px;
left: 10px;
color: white;
font-size: 14px;
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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