Add complete quote template functionality, enhanced outbound email sending, new quote statuses, and supporting infrastructure:
- Add new quote statuses (template, sending, mail_failed) with tailored UI styling for status pills
- Implement full template workflows: save real quotes as templates, create new quotes from existing templates
- Add support for custom quote dates and extended validity periods on generated PDF documents
- Build out improved email pipeline with persisted compose fields and retry functionality for failed sends
- Add attachment direction tracking to categorize inbound, outbound, and generated quote attachments
- Fix tooltip component to properly handle Radix `asChild` prop to avoid React DOM attribute errors
- Add comprehensive test coverage, schema migrations, and update sample test and production data
This commit adds full quote PDF generation functionality with per-company letterhead branding:
- Server-side PDF rendering using @react-pdf/renderer matching the sample quote layout
- In-app modal PDF viewer with print, download, and new-tab controls
- Letterhead service to fetch and apply company-specific branding (CNL/ISHERWOOD)
- ZAR currency and date formatting utilities for South African quotes
- Updated QuoteAttachment type to handle PocketBase's array-based file tokens
- Fixed PocketBase attachment URL generation in quote email card
- Removed deprecated `included_in_quote` field from QuoteItem and quotes service
- Updated quote item creation test to validate draft item logic
- Added comprehensive unit tests for PDF rendering and formatting helpers
- Added dev scripts for debugging PDF and image rendering issues
- Added sample generated PDF files for visual verification
- Updated tsconfig to exclude development scripts directory
- Added @react-pdf/renderer production dependency
- Removed JEI as a valid letterhead option per requirements
