feat(telegram): bot bonuri fiscale — OCR → preview → Oracle write

- US-001: mută queue_client.py în data_entry/services/ocr/
- US-002/003/004: oracle_receipt_writer + oracle_server_id în DB
- US-005: receipt_handlers.py (PDF/photo/callback flow)
- US-006: wire handlers în main.py, per-schema connect, seq_cod.nextval
- US-007: .gitignore secrets/*.oracle_pass
- US-008/009/010: teste unit + integration + E2E
- setup-secrets.sh helper + template
- docs/telegram/README.md actualizat cu arhitectura nouă

Testat E2E pe DB live (MARIUSM_AUTO). COD din seq_cod.nextval.
pypdfium2 fallback pentru PDF decode (fără poppler).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/modules/data_entry/services/__init__.py

@@ -3,6 +3,7 @@ from .receipt_service import ReceiptService
 from .nomenclature_service import NomenclatureService
 from .expense_types import EXPENSE_TYPES, ExpenseType
 from .receipt_auto_create import ReceiptAutoCreateService, ReceiptCreateResult
+from .oracle_receipt_writer import write_receipt
 from . import sse_service
 
 __all__ = [
@@ -12,5 +13,6 @@ __all__ = [
     "ExpenseType",
     "ReceiptAutoCreateService",
     "ReceiptCreateResult",
+    "write_receipt",
     "sse_service",
 ]