Refactor import paths for TariffFraction and USTariffFraction models

- Updated import statements for TariffFraction to reflect new module structure in reports related to importacion (mex, temporary, facturas).
- Adjusted import paths for USTariffFraction in service files to maintain consistency across modules.

backend/api/v1/modules/a76/general_catalogs/fractions/historical_tariff_fractions/models.py

@@ -0,0 +1,31 @@
+from typing import Optional
+from decimal import Decimal
+from sqlalchemy import ForeignKey, String, Integer, Numeric, Boolean
+from sqlalchemy.orm import Mapped, mapped_column
+from core.database import Base
+
+
+class HistoricalTariffFraction(Base):
+    """
+    Historical tariff fractions catalog.
+    Maps to SQL Server table: GFraccionesHistorico
+    """
+
+    __tablename__ = "historical_tariff_fractions"
+    __table_args__ = {"schema": "76"}
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True, nullable=False)
+    historical_fraction: Mapped[Optional[str]] = mapped_column(String(8), nullable=True)
+    unit_of_measure_code: Mapped[Optional[str]] = mapped_column(ForeignKey("a76.unit_of_measure_customs.code"), nullable=True)
+    country: Mapped[Optional[str]] = mapped_column(String(3), nullable=True)
+    fraction_type: Mapped[Optional[str]] = mapped_column(String(7), nullable=True)
+    sector: Mapped[Optional[str]] = mapped_column(String(5), nullable=True)
+    import_tax_rate: Mapped[Optional[Decimal]] = mapped_column(Numeric(7, 2), nullable=True)
+    export_tax_rate: Mapped[Optional[Decimal]] = mapped_column(Numeric(7, 2), nullable=True)
+    publication_date: Mapped[Optional[int]] = mapped_column(Integer, nullable=True)
+    is_immex: Mapped[Optional[str]] = mapped_column(String(2), nullable=True)
+    normal_temporality: Mapped[Optional[bool]] = mapped_column(Boolean, nullable=True)
+    services_temporality: Mapped[Optional[bool]] = mapped_column(Boolean, nullable=True)
+    certified_temporality: Mapped[Optional[bool]] = mapped_column(Boolean, nullable=True)
+    by_log: Mapped[Optional[bool]] = mapped_column(Boolean, nullable=True)
+    end_date: Mapped[Optional[int]] = mapped_column(Integer, nullable=True)

backend/api/v1/modules/a76/reports/importacion/consolidados/mex/service.py

@@ -36,7 +36,7 @@ from api.v1.modules.a76.transportation.trailers.models import Trailer
 from api.v1.modules.a76.transportation.drivers.models import Driver
 
 # --- MODELO DE FRACCIONES ---
-from api.v1.modules.a76.general_catalogs.tariff_fractions.models import TariffFraction
+from api.v1.modules.a76.general_catalogs.fractions.tariff_fractions.models import TariffFraction
 
 # --- MODELO DE UNIDADES DE MEDIDA ---
 from api.v1.modules.a76.general_catalogs.units_of_measure.models import UnitOfMeasure
@@ -50,6 +50,10 @@ from .schemas import (
     FacturaImportacionCompleta,
 )
 
+from api.v1.modules.a76.general_catalogs.fractions.us_tariff_fractions.models import (
+    USTariffFraction,
+)
+
 
 class ConsolidadoImportacionMexService:
     def __init__(self):
@@ -515,11 +519,7 @@ class ConsolidadoImportacionMexService:
                 .filter(InvoiceHeader.id.in_(target_invoice_ids))
                 .all()
             )
-            invoice_map = {inv.id: inv for inv in invoices_list}
-
-            from api.v1.modules.a76.general_catalogs.us_tariff_fractions.models import (
-                USTariffFraction,
-            )
+            invoice_map = {inv.id: inv for inv in invoices_list}            
 
             for line in lines:
                 qty = (

backend/api/v1/modules/a76/reports/importacion/consolidados/temporary/mex/service.py

@@ -30,10 +30,10 @@ from api.v1.modules.a76.transportation.trailers.models import Trailer
 from api.v1.modules.a76.transportation.drivers.models import Driver
 
 # --- MODELO DE FRACCIONES ---
-from api.v1.modules.a76.general_catalogs.tariff_fractions.models import TariffFraction
+from api.v1.modules.a76.general_catalogs.fractions.tariff_fractions.models import TariffFraction
 
 # --- SCHEMAS ---
-from .schemas import (
+from ...mex.schemas import (
     ClienteSchema, PartidaSchema, TotalesSchema, 
     FacturaSchema, FacturaImportacionCompleta
 )
@@ -345,7 +345,7 @@ class ConsolidadoImportacionMexService:
             invoices_list = db.query(InvoiceHeader).filter(InvoiceHeader.id.in_(target_invoice_ids)).all()
             invoice_map = {inv.id: inv for inv in invoices_list}
 
-            from api.v1.modules.a76.general_catalogs.us_tariff_fractions.models import USTariffFraction
+            from api.v1.modules.a76.general_catalogs.fractions.us_tariff_fractions.models import USTariffFraction
 
             for line in lines:
                 qty = db.query(LineQuantity).filter(LineQuantity.item_line_id == line.id).first()

backend/api/v1/modules/a76/reports/importacion/facturas/mex/service.py

@@ -32,7 +32,7 @@ from api.v1.modules.a76.transportation.trailers.models import Trailer
 from api.v1.modules.a76.transportation.drivers.models import Driver
 
 # --- MODELO DE FRACCIONES ---
-from api.v1.modules.a76.general_catalogs.tariff_fractions.models import TariffFraction
+from api.v1.modules.a76.general_catalogs.fractions.tariff_fractions.models import TariffFraction
 
 # --- MODELO DE UNIDADES DE MEDIDA ---
 from api.v1.modules.a76.general_catalogs.units_of_measure.models import UnitOfMeasure

backend/api/v1/modules/a76/reports/importacion/facturas/temporary/mex/service.py

@@ -30,10 +30,10 @@ from api.v1.modules.a76.transportation.trailers.models import Trailer
 from api.v1.modules.a76.transportation.drivers.models import Driver
 
 # --- MODELO DE FRACCIONES ---
-from api.v1.modules.a76.general_catalogs.tariff_fractions.models import TariffFraction
+from api.v1.modules.a76.general_catalogs.fractions.tariff_fractions.models import TariffFraction
 
 # --- SCHEMAS ---
-from .schemas import (
+from ...mex.schemas import (
     ClienteSchema, PartidaSchema, TotalesSchema, 
     FacturaSchema, FacturaImportacionCompleta
 )

backend/api/v1/modules/a76/reports/importacion/facturas/usa/service.py

@@ -30,7 +30,7 @@ from api.v1.modules.a76.transportation.trailers.models import Trailer
 from api.v1.modules.a76.transportation.drivers.models import Driver
 
 # --- MODELO DE FRACCIONES ---
-from api.v1.modules.a76.general_catalogs.tariff_fractions.models import TariffFraction
+from api.v1.modules.a76.general_catalogs.fractions.tariff_fractions.models import TariffFraction
 
 # --- SCHEMAS ---
 # Reuse schemas from neighbor package as they fit the same data structure