- Add `external_number NVARCHAR(100)` column to the `manifest` table.
- Thread `externalNumber` through manifestDoc and delivery SQL (list,
header, create, update).
- Include `externalNumber` in shapeSummary and quote/order/delivery
create/update/list/getById handlers (optional, clearable on update).
- Update README type definitions and regenerate API/schema docs.
- Rewrite JSDoc across all store methods to document the actual async
methods (real params, returns, throws) instead of the internal wrappers
- Split quote/order into individual module files backed by shared
manifestDoc helpers; remove the createStore factory and thin wrappers
- Deduplicate manifest line helpers into src/store/manifestLines.js
- Extend generate-api-doc.js to render parameter/return/throws types and
emit per-namespace API.<module>.md files with an API.md index
- Regenerate all API docs
