journey_photos.sort_order is nothing but the insert counter, so photos added late landed behind days they belong before. Both gallery readers (the app and the shared journey) order by capture time now, falling back to the timestamp of the stop the photo belongs to and then to upload time, through one shared SQL fragment; ties keep the old order, so existing galleries only move where chronology demands it. The order inside an entry stays the user's manual arrangement.
Maurice
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