perf(XS-51): Stream exports to disk in chunks - #63
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Bare7a
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📝 What changed?
Exports are now formatted and written to disk in chunks instead of being built as one giant string and handed across the Wails bridge, so peak memory is a fixed 256 KB regardless of export size. The export dialog gained a progress bar and a working Stop, and it is now the only export path - the toolbar's one-click "Export" is gone and "Export as" is renamed to "Export".
🧩 Change type
🧠 Impact
📊 SQL impact (if relevant)
🧪 Tested
cd frontend && npm test)wails3 task test)wails3 task e2e:go:all)wails3 task e2e:ui:all) - local only, not in CI📌 Notes