Backend:
- to_dict() now includes incident_datetime: "YYYY-MM-DD HH:MM:SS"
- Composed from r.date (YYYY-MM-DD) + r.time (HH:MM:SS, padded if HH:MM)
- _get_excel_column_order_accident() adds incident_datetime column after time
- Export xlsx rec dict now includes incident_datetime
Verified:
- /api/accident/records: incident_datetime = "2026-07-30 09:40:00"
- column_order includes incident_datetime column
- /api/accident/export/excel: xlsx 明細 sheet now has incident_datetime column
- Time edge case: HH:MM auto-padded to HH:MM:SS
Frontend:
- Accident list page auto-displays new column via column_order
- No frontend changes needed (renders record[h] as string)
IT Dog
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