Changes:
- Updated BillingLocation interface:
- Added utilBillsProofOfPaymentAttachment field (BillAttachment type)
- Added server action uploadUtilBillsProofOfPayment:
- Validates PDF file type
- Serializes file attachment to base64
- Stores attachment in BillingLocation document
- Returns success/error status
- Updated ViewLocationCard component:
- Added file upload input with PDF-only accept
- Implemented handleFileChange with immediate upload
- Added upload state management (isUploading, uploadError, attachment)
- Shows spinner while uploading
- Input disabled during upload
- Conditionally renders file input or download link
- Link displayed after successful upload
- Created route handler for serving proof of payment PDFs:
- GET /share/proof-of-payment/[id]/route.tsx
- Fetches attachment from database
- Converts base64 to binary
- Returns PDF with proper headers
- Added not-found page for proof of payment route
- Updated middleware to include proof-of-payment in public pages
- Added translations:
- en: "Upload proof of payment (PDF only)"
- hr: "Priložite potvrdu o uplati:"
File uploads immediately on selection without page reload.
Only PDF files accepted with client and server-side validation.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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