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21 lines
1 KiB
Markdown
21 lines
1 KiB
Markdown
# MTG Python Deckbuilder v4.5.2
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## Summary
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Adds hover-intent prefetch for the Open Deck button on the Finished Decks page, reducing perceived load time when navigating into a deck view.
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## Added
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### Hover-intent prefetch (`WEB_PREFETCH=1`)
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Hovering over an "Open" button on the Finished Decks page now prefetches the deck view in the background after a 100 ms delay. When you click, the page loads from the browser's prefetch cache rather than waiting on a network round-trip — making it feel near-instant.
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- Off by default; enable with `WEB_PREFETCH=1`
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- Respects `Save-Data` header and slow (2G) connections — no prefetch on metered/slow connections
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- Limits concurrent prefetches to 2
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- Speculation Rules API infrastructure included for future side-effect-free GET routes
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- `Cache-Control: private, max-age=30` added to `/decks/view` when flag is enabled
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## Configuration
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| Variable | Default | Description |
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|---|---|---|
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| `WEB_PREFETCH` | `0` | Set to `1` to enable hover-intent prefetch on the Open Deck button |
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