feat: Add payment methods extraction, OCR improvements, and AutoComplete fix

Backend:
- Add payment_methods and payment_mode fields to Receipt model
- Add payment method extraction (CARD/NUMERAR) with auto-suggestion logic
- Improve OCR service with TVA validation and reverse calculation
- Fix nomenclature service supplier limit (was 50, now unlimited)
- Add OCR fields migrations (ocr_raw_text, ocr_confidence, payment_mode)

Frontend:
- Fix AutoComplete to properly display supplier name after OCR
- Add payment methods display in OCR preview with suggested payment mode
- Improve ReceiptCreateView form handling and OCR data application

Database migrations:
- 20251215_add_ocr_fields_to_receipt.py
- 20251215_remove_partner_id.py
- 20251216_add_payment_mode.py

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

data-entry-app/backend/app/services/sync_service.py

@@ -267,9 +267,8 @@ class SyncService:
         supplier = result.scalar_one_or_none()
 
         if supplier:
+            # Return only text data - no IDs needed for autocomplete
             return True, {
-                "id": supplier.id,
-                "oracle_id": supplier.oracle_id,
                 "name": supplier.name,
                 "fiscal_code": supplier.fiscal_code,
                 "address": supplier.address,
@@ -291,12 +290,11 @@ class SyncService:
         local = result.scalar_one_or_none()
 
         if local:
+            # Return only text data - no IDs needed for autocomplete
             return True, {
-                "id": local.id,
                 "name": local.name,
                 "fiscal_code": local.fiscal_code,
                 "address": local.address,
-                "is_local": True,
             }, "local"
 
         # 3. Try live Oracle search (optional fallback for unsynced data)