⚡ Bolt: Optimize date filtering and FlatList rendering in FlightScreen

[TargetMisser]

💡 What: Refactored the currentData array generation to use useMemo, pre-calculate day boundaries as simple Unix timestamps outside the loop, and apply FlatList virtualization parameters.
🎯 Why: Instantiating Date objects inside the high-frequency Array.prototype.filter loop degrades performance on large datasets. The missing FlatList parameters led to higher memory usage and slower render speeds for long lists.
📊 Impact: Eliminates repetitive Date allocations, achieving an $O(N)$ operation using extremely fast integer comparisons. Dramatically reduces memory consumption and render times for long flight lists.
🔬 Measurement: Verify via code review. Run the app, observe faster loading of lists and smoother scrolling when navigating between arrivals/departures and today/tomorrow views.

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PR created automatically by Jules for task 16197352192307404608 started by @TargetMisser

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Project	Deployment	Actions	Updated (UTC)
flight-work-app	Ready	Preview, Comment, Open in v0	Apr 25, 2026 1:24am