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⚡ Bolt: [performance improvement] Add early break to WalkTripEditor station search#101

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bolt-walktripeditor-optimization-2489980243671495449
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⚡ Bolt: [performance improvement] Add early break to WalkTripEditor station search#101
OsakaLOOP wants to merge 2 commits intobefore-refractorfrom
bolt-walktripeditor-optimization-2489980243671495449

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@OsakaLOOP
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💡 What: Replaced Object.values(railwayData).forEach with a for...in loop that breaks early once the required start and end stations are found in WalkTripEditor. Added comments explaining the optimization.

🎯 Why: The previous code iterated over the entire railwayData object (which can contain hundreds of transit lines) even if the start and end stations were found on the first few lines, wasting CPU cycles and generating unnecessary temporary array allocations via Object.values. This is especially costly on the hot path of UI rendering.

📊 Impact: Reduces iteration overhead from O(N) to O(K) where K is the number of lines required to find the stations. Also saves memory by avoiding the allocation of the Object.values array.

🔬 Measurement: Can be verified by rendering the WalkTripEditor modal with a large railwayData dataset and profiling the time spent in the render method before and after the change.


PR created automatically by Jules for task 2489980243671495449 started by @OsakaLOOP

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Co-authored-by: OsakaLOOP <68284076+OsakaLOOP@users.noreply.github.com>
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