Full-stack implementation of instrument repair tracking: DB schema with
repair_ticket, repair_line_item, repair_batch, and repair_service_template
tables. Backend services and routes with pagination/search/sort. 20 API
tests covering CRUD, status workflow, line items, and batch operations.
Admin frontend with ticket list, detail with status progression, line item
management, batch list/detail with approval workflow, and new ticket form
with searchable account picker and intake photo uploads.
f17bbff02c