Update windows progress immediately #1282
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Fixes #1281
Using Claude:
On Windows, the download process uses the Windows Runtime DataReader API through a custom
DataReaderWrap
struct. The issue was:LoadAsync()
downloads data from the network into a Windows bufferReadBytes()
copies data from the Windows buffer to the Rust bufferread(
) method returnedThis meant the actual network download (step 1) completed before the progress bar updated (after step 3), causing the visible lag.