Command center for a nationwide hardware rollout

Additional architecture decisions

• 01Periodic ingestion resolves inconsistent columns and status vocabulary before upserting a local SQLite model.
• 02Every status transition is retained, making rollout history auditable instead of overwriting the latest spreadsheet cell.
• 03Attention queues surface expired schedules, logistics gaps, missing serials, documentation issues and invalid operational data.
• 04The interface supports filters, detail views, quality flags and exports without depending on the remote spreadsheet for every click.