diff --git a/backend/api/v1/modules/a24/fa/fa_item_lines/models.py b/backend/api/v1/modules/a24/fa/fa_item_lines/models.py
index 75496b34..a0187a75 100644
--- a/backend/api/v1/modules/a24/fa/fa_item_lines/models.py
+++ b/backend/api/v1/modules/a24/fa/fa_item_lines/models.py
@@ -75,7 +75,9 @@ class FaLineItem(Base, TenantScopedMixin, TimestampMixin):
     omit_annex31: Mapped[Optional[bool]] = mapped_column(Boolean)  # OMITITENANEXO31
 
     # --- RELACIÓN ---
-    master_info: Mapped["LineItem"] = relationship("LineItem", back_populates="fa_data")
+    master_info: Mapped["LineItem"] = relationship(
+        "api.v1.modules.a76.items.models.LineItem", back_populates="fa_data"
+    )
 
     def __repr__(self) -> str:
         return f"<FaLineItem(id={self.id}, asset_number='{self.asset_number}')>"
diff --git a/backend/api/v1/modules/a76/audit_log/events.py b/backend/api/v1/modules/a76/audit_log/events.py
index 478ef95c..53a72a0b 100644
--- a/backend/api/v1/modules/a76/audit_log/events.py
+++ b/backend/api/v1/modules/a76/audit_log/events.py
@@ -1,11 +1,14 @@
 """
 Audit Log Events
 """
+
 from sqlalchemy import event, inspect
 from sqlalchemy.orm import Session
 from .services.service import AuditService
+from .utils.serialization import serialize_for_json
 from core.context import get_user_context
 
+
 def register_audit_listeners(models_to_audit):
     """
     Register SQLAlchemy listeners for given models
@@ -15,16 +18,23 @@ def register_audit_listeners(models_to_audit):
         event.listen(model, "after_update", after_update_listener)
         event.listen(model, "after_delete", after_delete_listener)
 
+
 def _get_current_username():
     try:
         context = get_user_context()
         if context:
             # Token usually has 'preferred_username' or 'name' or 'sub'
-            return context.get("preferred_username") or context.get("email") or context.get("sub") or "System"
+            return (
+                context.get("preferred_username")
+                or context.get("email")
+                or context.get("sub")
+                or "System"
+            )
     except:
         pass
     return "System"
 
+
 def after_insert_listener(mapper, connection, target):
     """
     Listener for INSERT operations
@@ -33,7 +43,8 @@ def after_insert_listener(mapper, connection, target):
     record_data = {c.name: getattr(target, c.name) for c in mapper.columns}
     username = _get_current_username()
     company_id = getattr(target, "company_id", None)
-    
+    tenant_id = getattr(target, "tenant_id", None)
+
     # Create a session bound to the connection
     session = Session(bind=connection)
     try:
@@ -44,24 +55,26 @@ def after_insert_listener(mapper, connection, target):
             record_data=record_data,
             username=username,
             record_id=str(getattr(target, "id", "")),
-            company_id=company_id
+            company_id=company_id,
+            tenant_id=tenant_id,
         )
     except Exception as e:
         print(f"Error logging insert: {e}")
     finally:
         session.close()
 
+
 def after_update_listener(mapper, connection, target):
     """
     Listener for UPDATE operations
     """
     table_name = target.__tablename__
-    
+
     state = inspect(target)
     changes = {}
     old_values = {}
     new_values = {}
-    
+
     for attr in state.attrs:
         hist = attr.history
         if hist.has_changes():
@@ -74,6 +87,8 @@ def after_update_listener(mapper, connection, target):
 
     record_data = {c.name: getattr(target, c.name) for c in mapper.columns}
     username = _get_current_username()
+    company_id = getattr(target, "company_id", None)
+    tenant_id = getattr(target, "tenant_id", None)
 
     session = Session(bind=connection)
     try:
@@ -84,13 +99,16 @@ def after_update_listener(mapper, connection, target):
             record_data=record_data,
             username=username,
             record_id=str(getattr(target, "id", "")),
-            old_values=old_values,
-            new_values=new_values
+            old_values=serialize_for_json(old_values),
+            new_values=serialize_for_json(new_values),
+            company_id=company_id,
+            tenant_id=tenant_id,
         )
     except Exception as e:
-         print(f"Error logging update: {e}")
+        print(f"Error logging update: {e}")
     finally:
-         session.close()
+        session.close()
+
 
 def after_delete_listener(mapper, connection, target):
     """
@@ -99,7 +117,9 @@ def after_delete_listener(mapper, connection, target):
     table_name = target.__tablename__
     record_data = {c.name: getattr(target, c.name) for c in mapper.columns}
     username = _get_current_username()
-    
+    company_id = getattr(target, "company_id", None)
+    tenant_id = getattr(target, "tenant_id", None)
+
     session = Session(bind=connection)
     try:
         AuditService.log_crud_operation(
@@ -108,9 +128,11 @@ def after_delete_listener(mapper, connection, target):
             operation_type="DELETE",
             record_data=record_data,
             username=username,
-            record_id=str(getattr(target, "id", ""))
+            record_id=str(getattr(target, "id", "")),
+            company_id=company_id,
+            tenant_id=tenant_id,
         )
     except Exception as e:
-         print(f"Error logging delete: {e}")
+        print(f"Error logging delete: {e}")
     finally:
-         session.close()
+        session.close()
diff --git a/backend/api/v1/modules/a76/audit_log/models.py b/backend/api/v1/modules/a76/audit_log/models.py
index c47900f5..499ea453 100644
--- a/backend/api/v1/modules/a76/audit_log/models.py
+++ b/backend/api/v1/modules/a76/audit_log/models.py
@@ -4,10 +4,18 @@ Audit Log Models
 
 from sqlalchemy import Column, Integer, String, Date, Time, DateTime, Text, Index, func
 from sqlalchemy.dialects.postgresql import JSONB, ARRAY
+from api.v1.common.base_models import TenantScopedMixin, TimestampMixin
 from core.database import Base
 
-class AuditLog(Base):
+class AuditLog(Base, TenantScopedMixin, TimestampMixin):
     __tablename__ = "audit_logs"
+    __table_args__ = (
+        Index('idx_audit_username_date', 'username', 'date'),
+        Index('idx_audit_procedure_date', 'procedure', 'date'),
+        Index('idx_audit_system_timestamp', 'system', 'timestamp'),
+        Index('idx_audit_table_record', 'table_name', 'record_id'),
+        {"schema": "a76"}  # Use the a76 schema for audit logs
+    )
     
     # Primary Key
     spec_id = Column(Integer, primary_key=True, autoincrement=True)
@@ -23,8 +31,6 @@ class AuditLog(Base):
     # Technical Columns
     timestamp = Column(DateTime(timezone=True), nullable=False, index=True) # Combined for queries
     system = Column(String(20), nullable=False, index=True, default="SCAF")
-    company_id = Column(Integer, nullable=True, index=True)
-    tenant_id = Column(Integer, nullable=True, index=True)
     
     # Traceability
     table_name = Column(String(100), nullable=True, index=True)
@@ -42,15 +48,4 @@ class AuditLog(Base):
     endpoint = Column(String(500), nullable=True)
     request_method = Column(String(10), nullable=True)
     session_id = Column(String(50), nullable=True, index=True)
-    execution_time_ms = Column(Integer, nullable=True)
-    
-    # Metadata
-    created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
-    
-    # Composite Indexes for common filters
-    __table_args__ = (
-        Index('idx_audit_username_date', 'username', 'date'),
-        Index('idx_audit_procedure_date', 'procedure', 'date'),
-        Index('idx_audit_system_timestamp', 'system', 'timestamp'),
-        Index('idx_audit_table_record', 'table_name', 'record_id'),
-    )
+    execution_time_ms = Column(Integer, nullable=True)            
diff --git a/backend/api/v1/modules/a76/audit_log/services/service.py b/backend/api/v1/modules/a76/audit_log/services/service.py
index 9fdf4a6b..dd1b18c1 100644
--- a/backend/api/v1/modules/a76/audit_log/services/service.py
+++ b/backend/api/v1/modules/a76/audit_log/services/service.py
@@ -86,7 +86,8 @@ class AuditService:
         # Context
         ip_address: Optional[str] = None,
         user_agent: Optional[str] = None,
-        company_id: Optional[int] = None
+        company_id: Optional[int] = None,
+        tenant_id: Optional[int] = None
     ):
         """
         High-level wrapper to log CRUD operations automatically mapping to Legacy format
@@ -149,7 +150,8 @@ class AuditService:
             changed_fields=changed_fields,
             ip_address=ip_address,
             user_agent=user_agent,
-            company_id=company_id
+            company_id=company_id,
+            tenant_id=tenant_id
         )
 
     @staticmethod
diff --git a/backend/api/v1/modules/a76/audit_log/utils/__init__.py b/backend/api/v1/modules/a76/audit_log/utils/__init__.py
new file mode 100644
index 00000000..57f53044
--- /dev/null
+++ b/backend/api/v1/modules/a76/audit_log/utils/__init__.py
@@ -0,0 +1,7 @@
+"""
+Audit Log Utilities
+"""
+
+from .serialization import serialize_for_json
+
+__all__ = ["serialize_for_json"]
diff --git a/backend/api/v1/modules/a76/audit_log/utils/serialization.py b/backend/api/v1/modules/a76/audit_log/utils/serialization.py
new file mode 100644
index 00000000..604de7b0
--- /dev/null
+++ b/backend/api/v1/modules/a76/audit_log/utils/serialization.py
@@ -0,0 +1,44 @@
+"""
+Serialization utilities for audit logs
+"""
+
+from datetime import date, datetime, time
+from decimal import Decimal
+from uuid import UUID
+from typing import Any, Dict
+
+
+def serialize_value(value: Any) -> Any:
+    """
+    Convert a Python value to a JSON-serializable type
+    """
+    if value is None:
+        return None
+    elif isinstance(value, (date, datetime)):
+        return value.isoformat()
+    elif isinstance(value, time):
+        return value.isoformat()
+    elif isinstance(value, Decimal):
+        return float(value)
+    elif isinstance(value, UUID):
+        return str(value)
+    elif isinstance(value, bytes):
+        return value.decode("utf-8", errors="replace")
+    elif isinstance(value, (list, tuple)):
+        return [serialize_value(item) for item in value]
+    elif isinstance(value, dict):
+        return {key: serialize_value(val) for key, val in value.items()}
+    else:
+        # For any other type, try to return as-is (str, int, float, bool, None)
+        # If it fails JSON serialization later, at least we tried
+        return value
+
+
+def serialize_for_json(data: Dict[str, Any]) -> Dict[str, Any]:
+    """
+    Recursively serialize a dictionary for JSON storage
+    """
+    if not data:
+        return data
+
+    return {key: serialize_value(value) for key, value in data.items()}
diff --git a/backend/api/v1/modules/a76/items/models.py b/backend/api/v1/modules/a76/items/models.py
index ebc92a2e..5eaa1180 100644
--- a/backend/api/v1/modules/a76/items/models.py
+++ b/backend/api/v1/modules/a76/items/models.py
@@ -6,14 +6,7 @@ SQLAlchemy v2 - Annex 24 Compliance
 from typing import Optional, TYPE_CHECKING
 from core.database import Base
 from decimal import Decimal
-from sqlalchemy import (
-    Boolean,
-    String,
-    Integer,
-    Numeric,
-    SmallInteger,
-    ForeignKey
-)
+from sqlalchemy import Boolean, String, Integer, Numeric, SmallInteger, ForeignKey
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 from api.v1.common.base_models import TenantScopedMixin, TimestampMixin
 from core.database import Base
@@ -21,7 +14,7 @@ from core.database import Base
 from api.v1.modules.a76.classes.models import Class
 from api.v1.modules.a76.general_catalogs.units_of_measure.models import UnitOfMeasure
 
-if TYPE_CHECKING:        
+if TYPE_CHECKING:
     from .line_financials.models import LineFinancial
     from .line_quantities.models import LineQuantity
     from .line_customs.models import LineCustom
@@ -41,17 +34,20 @@ class LineItem(Base, TenantScopedMixin, TimestampMixin):
     Unified item header table for all import/export operations
     Consolidates headers from both SCAF and SCAII systems
     """
+
     __tablename__ = "item_lines"
     __table_args__ = {
         "schema": "a76",
     }
 
     id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
-    invoice_id: Mapped[int] = mapped_column(ForeignKey("a76.invoice_header.id"))  # CONSECUTIVO        
+    invoice_id: Mapped[int] = mapped_column(
+        ForeignKey("a76.invoice_header.id")
+    )  # CONSECUTIVO
 
     line_number: Mapped[int] = mapped_column(Integer)  # LINEAIMPO/LINEAEXPO/LINEA
 
-     # Part identification
+    # Part identification
     part_number_id: Mapped[Optional[int]] = mapped_column(
         Integer, ForeignKey("a76.parts.id")
     )  # NUMPARTE
@@ -170,30 +166,28 @@ class LineItem(Base, TenantScopedMixin, TimestampMixin):
     pallet2: Mapped[Optional[int]] = mapped_column(SmallInteger)  # PALLET2
 
     # Wildcard field
-    wildcard_field: Mapped[Optional[str]] = mapped_column(String(100))  # CAMPOCOMODIN    
+    wildcard_field: Mapped[Optional[str]] = mapped_column(String(100))  # CAMPOCOMODIN
 
     # Item references
-    reference_number: Mapped[Optional[str]] = mapped_column(
-        String(20))  # NUMREFERENCIA
-    order: Mapped[Optional[str]] = mapped_column(
-        String(50))  # ORDENCOMPRA / ORDENVENTA
+    reference_number: Mapped[Optional[str]] = mapped_column(String(20))  # NUMREFERENCIA
+    order: Mapped[Optional[str]] = mapped_column(String(50))  # ORDENCOMPRA / ORDENVENTA
     guide_number: Mapped[Optional[str]] = mapped_column(
-        String(50))  # NUMEROGUIA/NUMERODEGUIA
+        String(50)
+    )  # NUMEROGUIA/NUMERODEGUIA
 
     # Dates
     depreciation_date: Mapped[Optional[int]] = mapped_column(
-        Integer)  # FECHADEPRECIACION
+        Integer
+    )  # FECHADEPRECIACION
 
     # Administrative fields
-    rectification: Mapped[Optional[bool]] = mapped_column(
-        Boolean)  # RECTIFICACION
+    rectification: Mapped[Optional[bool]] = mapped_column(Boolean)  # RECTIFICACION
     warehouse: Mapped[Optional[str]] = mapped_column(String(30))  # BODEGA
-    location: Mapped[Optional[str]] = mapped_column(
-        String(200))  # LOCALIZACION
-    
+    location: Mapped[Optional[str]] = mapped_column(String(200))  # LOCALIZACION
+
     invoice: Mapped["InvoiceHeader"] = relationship("InvoiceHeader")
-    
-    # Relationships    
+
+    # Relationships
     financial: Mapped[Optional["LineFinancial"]] = relationship(
         back_populates="line", cascade="all, delete-orphan", uselist=False
     )
@@ -220,7 +214,7 @@ class LineItem(Base, TenantScopedMixin, TimestampMixin):
         viewonly=True,
     )
     fa_data: Mapped[Optional["FaLineItem"]] = relationship(
-        "FaLineItem",
+        "api.v1.modules.a24.fa.fa_item_lines.models.FaLineItem",
         back_populates="master_info",
         cascade="all, delete-orphan",
         uselist=False,
@@ -231,6 +225,7 @@ class LineItem(Base, TenantScopedMixin, TimestampMixin):
         viewonly=True,
     )
 
+
 # ============================================================================
 # SUPPORTING TABLES
 # ============================================================================
@@ -241,6 +236,7 @@ class PackingList(Base, TenantScopedMixin, TimestampMixin):
     Packing list items
     From: SPartidasPackingList
     """
+
     __tablename__ = "packing_lists"
     __table_args__ = {
         "schema": "a76",
@@ -249,7 +245,8 @@ class PackingList(Base, TenantScopedMixin, TimestampMixin):
     id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
     item_line_id: Mapped[int] = mapped_column(Integer)  # LINEA
     packing_list_number: Mapped[Optional[str]] = mapped_column(
-        String(100))  # NUMPACKINGLIST
+        String(100)
+    )  # NUMPACKINGLIST
 
 
 class CTMReceipt(Base, TenantScopedMixin, TimestampMixin):
@@ -257,6 +254,7 @@ class CTMReceipt(Base, TenantScopedMixin, TimestampMixin):
     CTM Receipt lines (temporary manufacturing)
     From: SPartidasReciboCTM
     """
+
     __tablename__ = "ctm_receipts"
     __table_args__ = {
         "schema": "a76",
@@ -264,11 +262,11 @@ class CTMReceipt(Base, TenantScopedMixin, TimestampMixin):
 
     id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
     receipt_line: Mapped[int] = mapped_column(
-        ForeignKey("a76.item_lines.id"))  # LINEARECIBO
+        ForeignKey("a76.item_lines.id")
+    )  # LINEARECIBO
 
     option: Mapped[Optional[str]] = mapped_column(String(3))  # OPCION
-    exit_invoice: Mapped[Optional[str]] = mapped_column(
-        String(19))  # FACTURASALIDA
+    exit_invoice: Mapped[Optional[str]] = mapped_column(String(19))  # FACTURASALIDA
 
 
 class SubassemblyEntry(Base, TenantScopedMixin, TimestampMixin):
@@ -276,6 +274,7 @@ class SubassemblyEntry(Base, TenantScopedMixin, TimestampMixin):
     Subassembly/Submanufacturing Entry lines
     From: SPartidasEntradaSM
     """
+
     __tablename__ = "subassembly_entries"
     __table_args__ = {
         "schema": "a76",
@@ -283,10 +282,10 @@ class SubassemblyEntry(Base, TenantScopedMixin, TimestampMixin):
 
     id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
     remission_line: Mapped[int] = mapped_column(Integer)  # LINEAREMISION
-    exit_invoice: Mapped[Optional[str]] = mapped_column(
-String(15))  # FACTURASALIDA
+    exit_invoice: Mapped[Optional[str]] = mapped_column(String(15))  # FACTURASALIDA
     exit_line: Mapped[Optional[int]] = mapped_column(Integer)  # LINEASALIDA
 
+
 # ============================================================================
 # INDEXES AND CONSTRAINTS
 # ============================================================================
diff --git a/scripts/init_first_time.sh b/scripts/init_first_time.sh
index e9416f4a..1137af42 100755
--- a/scripts/init_first_time.sh
+++ b/scripts/init_first_time.sh
@@ -12,6 +12,11 @@
 # 6. Relación usuario-tenant en tabla user_tenants
 # 7. Actualización del tenant_id del usuario con el valor real
 # 8. Licencia Enterprise para el tenant (ilimitada, 1 año de vigencia)
+# 9. [OPCIONAL] Datos iniciales de ejemplo si se pasa --seed-data
+#
+# Uso:
+#   ./init_first_time.sh              # Solo configuración básica
+#   ./init_first_time.sh --seed-data  # Configuración + datos de ejemplo
 #
 # Requisitos:
 # - Keycloak corriendo en http://localhost:8080
@@ -28,6 +33,22 @@ set -euo pipefail  # Modo strict: exit on error, undefined vars, pipe failures
 # Trap para cleanup en caso de error
 trap 'echo -e "\n${RED}✗ Error en línea $LINENO. Script abortado.${NC}" >&2' ERR
 
+# Parsear argumentos
+SEED_DATA=false
+while [[ $# -gt 0 ]]; do
+    case $1 in
+        --seed-data)
+            SEED_DATA=true
+            shift
+            ;;
+        *)
+            echo "Uso: $0 [--seed-data]"
+            echo "  --seed-data: Carga datos de ejemplo en las tablas"
+            exit 1
+            ;;
+    esac
+done
+
 # Colores para output
 RED='\033[0;31m'
 GREEN='\033[0;32m'
@@ -112,6 +133,171 @@ create_tenant_mapper() {
     fi
 }
 
+###############################################################################
+# Funciones de seed data
+###############################################################################
+
+# Insertar datos de ejemplo para customs_brokers
+seed_customs_brokers() {
+    echo "  → Insertando customs brokers..."
+    exec_pg_sql "
+    INSERT INTO a76.customs_brokers (tenant_id, company_id, type, broker_key, name, address, postal_code, city, state, phone, email, country, tax_id, license, company, contact, created_at, updated_at)
+    VALUES 
+        (${TENANT_ID}, ${COMPANY_ID}, 'persona', 'CB001', 'Agente Aduanal García', 'Av. Reforma 123', '01000', 'Ciudad de México', 'CDMX', '5555555555', 'garcia@aduanas.com', 'MEX', 'GAAR800101ABC', '1234', 'García y Asociados', 'Juan García', now(), now()),
+        (${TENANT_ID}, ${COMPANY_ID}, 'persona', 'CB002', 'Agente Aduanal López', 'Blvd. Díaz Ordaz 456', '22000', 'Tijuana', 'BC', '6641234567', 'lopez@customs.com', 'MEX', 'LOPL750505XYZ', '2345', 'López Customs', 'María López', now(), now()),
+        (${TENANT_ID}, ${COMPANY_ID}, 'persona', 'CB003', 'Agente Aduanal Martínez', 'Calle Industria 789', '45000', 'Guadalajara', 'JAL', '3339876543', 'martinez@broker.com', 'MEX', 'MARM850315DEF', '3456', 'Martínez Brokerage', 'Pedro Martínez', now(), now())
+    ON CONFLICT (broker_key, tenant_id, company_id) DO NOTHING;
+    " >/dev/null 2>&1
+}
+
+# Insertar datos de ejemplo para clients_and_providers
+seed_clients_and_providers() {
+    echo "  → Insertando clientes y proveedores..."
+    exec_pg_sql "
+    INSERT INTO a76.clients_and_providers (tenant_id, company_id, type_nat_foreign, name, short_name, rfc, client_or_provider, web_key, is_active, created_at, updated_at)
+    VALUES 
+        (${TENANT_ID}, ${COMPANY_ID}, 'N', 'Proveedor Tecnológico SA de CV', 'PROVTECH', 'PTE901201ABC', 'BOTH', 'PROV001', true, now(), now()),
+        (${TENANT_ID}, ${COMPANY_ID}, 'N', 'Cliente Industrial del Norte SA', 'CINORTE', 'CIN850615XYZ', 'BOTH', 'CLI001', true, now(), now()),
+        (${TENANT_ID}, ${COMPANY_ID}, 'E', 'Global Supplies Inc', 'GLOBSUP', 'GSI123456789', 'BOTH', 'BOTH001', true, now(), now()),
+        (${TENANT_ID}, ${COMPANY_ID}, 'N', 'Manufacturas del Bajío SA', 'MANBAJIO', 'MDB920310DEF', 'BOTH', 'CLI002', true, now(), now())
+    RETURNING id;
+    " >/dev/null 2>&1
+}
+
+# Insertar datos de ejemplo para packages
+seed_packages() {
+    echo "  → Insertando tipos de paquete..."
+    exec_pg_sql "
+    INSERT INTO a76.packages (tenant_id, company_id, key, description_es, description_en, weight_unit, plurals, plural_in, code_ace, code_aamex, created_at, updated_at)
+    VALUES 
+        (${TENANT_ID}, ${COMPANY_ID}, 'PK01', 'Caja de Cartón', 'Cardboard Box', 0.5, 'CAJS', 'BOXS', 'CB01', 'CAJA001', now(), now()),
+        (${TENANT_ID}, ${COMPANY_ID}, 'PK02', 'Pallet de Madera', 'Wooden Pallet', 15.0, 'PLTS', 'PLTS', 'WP01', 'PALL001', now(), now()),
+        (${TENANT_ID}, ${COMPANY_ID}, 'PK03', 'Tambor Metálico', 'Metal Drum', 10.0, 'TMBS', 'DRMS', 'MD01', 'TAMB001', now(), now()),
+        (${TENANT_ID}, ${COMPANY_ID}, 'PK04', 'Contenedor', 'Container', 2000.0, 'CONT', 'CONT', 'CT01', 'CONT001', now(), now())
+    ON CONFLICT (tenant_id, company_id, key) DO NOTHING;
+    " >/dev/null 2>&1
+}
+
+# Insertar datos de ejemplo para classes
+seed_classes() {
+    echo "  → Insertando clases..."
+    exec_pg_sql "INSERT INTO a76.classes (tenant_id, company_id, class_code, description_es, description_en, material_key, unit_of_measure, fraction, us_fraction, created_at, updated_at) VALUES (${TENANT_ID}, ${COMPANY_ID}, 'CLS001', 'Componentes Electrónicos', 'Electronic Components', 'MP', 'PZA', '8542.31.01', '8542.31.0000', now(), now()), (${TENANT_ID}, ${COMPANY_ID}, 'CLS002', 'Partes Automotrices', 'Automotive Parts', 'MP', 'KGS', '8708.29.99', '8708.29.9900', now(), now()), (${TENANT_ID}, ${COMPANY_ID}, 'CLS003', 'Textiles y Telas', 'Textiles and Fabrics', 'MP', 'MT', '5407.20.01', '5407.20.0100', now(), now()), (${TENANT_ID}, ${COMPANY_ID}, 'CLS004', 'Equipo de Computación', 'Computer Equipment', 'MP', 'PZA', '8471.30.01', '8471.30.0100', now(), now()) ON CONFLICT (tenant_id, company_id, class_code) DO NOTHING;" >/dev/null 2>&1
+}
+
+# Insertar datos de ejemplo para parts
+seed_parts() {
+    echo "  → Insertando partes/componentes..."
+    
+    # Obtener un client_id para asociar las partes
+    local client_id
+    client_id=$(exec_pg_sql "SELECT id FROM a76.clients_and_providers WHERE tenant_id = ${TENANT_ID} AND company_id = ${COMPANY_ID} LIMIT 1;" | xargs)
+    
+    if [ -n "$client_id" ]; then
+        exec_pg_sql "INSERT INTO a76.parts (tenant_id, company_id, client_id, part_number, description_spanish, description_english, part_class, currency_key, unit_of_measure, unit_cost, fraction, us_fraction, created_at, updated_at) VALUES (${TENANT_ID}, ${COMPANY_ID}, ${client_id}, 'PART-001', 'Microcontrolador ARM Cortex-M4', 'ARM Cortex-M4 Microcontroller', 'CLS001', 'USD', 'PZA', 15.50, '8542.31.01', '8542.31.0000', now(), now()), (${TENANT_ID}, ${COMPANY_ID}, ${client_id}, 'PART-002', 'Filtro de Aceite Automotriz', 'Automotive Oil Filter', 'CLS002', 'USD', 'PZA', 8.75, '8421.23.01', '8421.23.0100', now(), now()), (${TENANT_ID}, ${COMPANY_ID}, ${client_id}, 'PART-003', 'Tela de Algodón para Tapicería', 'Cotton Upholstery Fabric', 'CLS003', 'USD', 'MT', 12.00, '5208.31.01', '5208.31.0100', now(), now()), (${TENANT_ID}, ${COMPANY_ID}, ${client_id}, 'PART-004', 'Disco Duro SSD 500GB', '500GB SSD Hard Drive', 'CLS004', 'USD', 'PZA', 65.00, '8471.70.01', '8471.70.0100', now(), now()), (${TENANT_ID}, ${COMPANY_ID}, ${client_id}, 'PART-005', 'Sensor de Temperatura Digital', 'Digital Temperature Sensor', 'CLS001', 'USD', 'PZA', 5.25, '9025.19.01', '9025.19.0100', now(), now()) ON CONFLICT (tenant_id, company_id, part_number) DO NOTHING;" >/dev/null 2>&1
+    fi
+}
+
+# Insertar datos de ejemplo para pedimentos
+seed_pedimentos() {
+    echo "  → Insertando pedimentos..."
+    
+    # Primero obtener IDs de clientes
+    local client_ids
+    client_ids=$(exec_pg_sql "SELECT id FROM a76.clients_and_providers WHERE tenant_id = ${TENANT_ID} AND company_id = ${COMPANY_ID} AND client_or_provider IN ('CLIENT', 'BOTH') LIMIT 2;")
+    local client_id_1=$(echo "$client_ids" | sed -n '1p' | xargs)
+    local client_id_2=$(echo "$client_ids" | sed -n '2p' | xargs)
+    
+    if [ -n "$client_id_1" ]; then
+        exec_pg_sql "INSERT INTO a76.pedimentos (tenant_id, company_id, year, customs_office, license, pedimento_number, client_id, operation_type, pedimento_type, pedimento_code, regime, status, created_at, updated_at) VALUES (${TENANT_ID}, ${COMPANY_ID}, '24', '47', '3807', '8001234', ${client_id_1}, 'imp', 'normal', 'V1', 'ITE', 'draft', now(), now()), (${TENANT_ID}, ${COMPANY_ID}, '24', '47', '3807', '8001235', ${client_id_1}, 'exp', 'normal', 'V1', 'ETE', 'draft', now(), now()) ON CONFLICT (tenant_id, company_id, year, customs_office, license, pedimento_number) DO NOTHING;" >/dev/null 2>&1
+    fi
+    
+    if [ -n "$client_id_2" ]; then
+        exec_pg_sql "INSERT INTO a76.pedimentos (tenant_id, company_id, year, customs_office, license, pedimento_number, client_id, operation_type, pedimento_type, pedimento_code, regime, status, created_at, updated_at) VALUES (${TENANT_ID}, ${COMPANY_ID}, '24', '47', '3807', '8001236', ${client_id_2}, 'imp', 'consolidated', 'V1', 'ITE', 'draft', now(), now()) ON CONFLICT (tenant_id, company_id, year, customs_office, license, pedimento_number) DO NOTHING;" >/dev/null 2>&1
+    fi
+}
+
+# Insertar datos de ejemplo para invoices
+seed_invoices() {
+    echo "  → Insertando facturas..."
+    
+    # Obtener IDs de clientes/proveedores
+    local provider_ids
+    provider_ids=$(exec_pg_sql "SELECT id FROM a76.clients_and_providers WHERE tenant_id = ${TENANT_ID} AND company_id = ${COMPANY_ID} AND client_or_provider IN ('PROVIDER', 'BOTH') LIMIT 2;")
+    local provider_id_1=$(echo "$provider_ids" | sed -n '1p' | xargs)
+    local provider_id_2=$(echo "$provider_ids" | sed -n '2p' | xargs)
+    
+    # Insertar facturas en invoice_header (mínimo requerido)
+    exec_pg_sql "INSERT INTO a76.invoice_header (tenant_id, company_id, system, operation_type, invoice_type, invoice_number, invoice_date, is_updated, created_at, updated_at) VALUES (${TENANT_ID}, ${COMPANY_ID}, 'fixed_asset', 'imp', 'DEF', 'INV-2024-001', '2024-01-10', false, now(), now()), (${TENANT_ID}, ${COMPANY_ID}, 'fixed_asset', 'exp', 'EXDEF', 'INV-2024-002', '2024-02-15', false, now(), now()), (${TENANT_ID}, ${COMPANY_ID}, 'fixed_asset', 'imp', 'TEM', 'INV-2024-003', '2024-03-05', false, now(), now()) ON CONFLICT DO NOTHING;" >/dev/null 2>&1
+    
+    # Obtener IDs de las facturas recién creadas
+    local invoice_ids
+    invoice_ids=$(exec_pg_sql "SELECT id FROM a76.invoice_header WHERE tenant_id = ${TENANT_ID} AND company_id = ${COMPANY_ID} AND invoice_number IN ('INV-2024-001', 'INV-2024-002', 'INV-2024-003') ORDER BY invoice_number;")
+    local invoice_id_1=$(echo "$invoice_ids" | sed -n '1p' | xargs)
+    local invoice_id_2=$(echo "$invoice_ids" | sed -n '2p' | xargs)
+    local invoice_id_3=$(echo "$invoice_ids" | sed -n '3p' | xargs)
+    
+    # Insertar datos financieros para las facturas
+    if [ -n "$invoice_id_1" ]; then
+        exec_pg_sql "INSERT INTO a76.invoice_financials (tenant_id, company_id, invoice_id, currency, exchange_rate, created_at, updated_at) VALUES (${TENANT_ID}, ${COMPANY_ID}, ${invoice_id_1}, 'foreign', 17.50, now(), now()) ON CONFLICT DO NOTHING;" >/dev/null 2>&1
+    fi
+    
+    if [ -n "$invoice_id_2" ]; then
+        exec_pg_sql "INSERT INTO a76.invoice_financials (tenant_id, company_id, invoice_id, currency, exchange_rate, created_at, updated_at) VALUES (${TENANT_ID}, ${COMPANY_ID}, ${invoice_id_2}, 'foreign', 17.45, now(), now()) ON CONFLICT DO NOTHING;" >/dev/null 2>&1
+    fi
+    
+    if [ -n "$invoice_id_3" ]; then
+        exec_pg_sql "INSERT INTO a76.invoice_financials (tenant_id, company_id, invoice_id, currency, exchange_rate, created_at, updated_at) VALUES (${TENANT_ID}, ${COMPANY_ID}, ${invoice_id_3}, 'local', 1.00, now(), now()) ON CONFLICT DO NOTHING;" >/dev/null 2>&1
+    fi
+    
+    # Insertar datos de compliance mexicano con proveedores
+    if [ -n "$invoice_id_1" ] && [ -n "$provider_id_1" ]; then
+        exec_pg_sql "INSERT INTO a76.invoice_compliance_mx (tenant_id, company_id, invoice_id, provider_id, created_at, updated_at) VALUES (${TENANT_ID}, ${COMPANY_ID}, ${invoice_id_1}, ${provider_id_1}, now(), now()) ON CONFLICT DO NOTHING;" >/dev/null 2>&1
+    fi
+    
+    if [ -n "$invoice_id_2" ] && [ -n "$provider_id_1" ]; then
+        exec_pg_sql "INSERT INTO a76.invoice_compliance_mx (tenant_id, company_id, invoice_id, provider_id, created_at, updated_at) VALUES (${TENANT_ID}, ${COMPANY_ID}, ${invoice_id_2}, ${provider_id_1}, now(), now()) ON CONFLICT DO NOTHING;" >/dev/null 2>&1
+    fi
+    
+    if [ -n "$invoice_id_3" ] && [ -n "$provider_id_2" ]; then
+        exec_pg_sql "INSERT INTO a76.invoice_compliance_mx (tenant_id, company_id, invoice_id, provider_id, created_at, updated_at) VALUES (${TENANT_ID}, ${COMPANY_ID}, ${invoice_id_3}, ${provider_id_2}, now(), now()) ON CONFLICT DO NOTHING;" >/dev/null 2>&1
+    fi
+    
+    # Insertar datos de logística con incoterm
+    if [ -n "$invoice_id_1" ]; then
+        exec_pg_sql "INSERT INTO a76.invoice_logistics (tenant_id, company_id, invoice_id, transport_type, weight_type, incoterm, created_at, updated_at) VALUES (${TENANT_ID}, ${COMPANY_ID}, ${invoice_id_1}, 'none', 'kgs', 'FOB', now(), now()) ON CONFLICT DO NOTHING;" >/dev/null 2>&1
+    fi
+    
+    if [ -n "$invoice_id_2" ]; then
+        exec_pg_sql "INSERT INTO a76.invoice_logistics (tenant_id, company_id, invoice_id, transport_type, weight_type, incoterm, created_at, updated_at) VALUES (${TENANT_ID}, ${COMPANY_ID}, ${invoice_id_2}, 'none', 'kgs', 'CIF', now(), now()) ON CONFLICT DO NOTHING;" >/dev/null 2>&1
+    fi
+    
+    if [ -n "$invoice_id_3" ]; then
+        exec_pg_sql "INSERT INTO a76.invoice_logistics (tenant_id, company_id, invoice_id, transport_type, weight_type, incoterm, created_at, updated_at) VALUES (${TENANT_ID}, ${COMPANY_ID}, ${invoice_id_3}, 'none', 'kgs', 'EXW', now(), now()) ON CONFLICT DO NOTHING;" >/dev/null 2>&1
+    fi
+}
+
+# Ejecutar todas las funciones de seed
+execute_seed_data() {
+    echo -e "\n${YELLOW}[SEED] Cargando datos de ejemplo...${NC}"
+    
+    seed_customs_brokers
+    seed_clients_and_providers
+    seed_packages
+    seed_classes
+    seed_parts
+    seed_pedimentos
+    seed_invoices
+    
+    echo -e "${GREEN}✓ Datos de ejemplo cargados exitosamente${NC}"
+    echo -e "${YELLOW}  • 3 Agentes aduanales${NC}"
+    echo -e "${YELLOW}  • 4 Clientes/Proveedores${NC}"
+    echo -e "${YELLOW}  • 4 Tipos de paquete${NC}"
+    echo -e "${YELLOW}  • 4 Clases${NC}"
+    echo -e "${YELLOW}  • 5 Parts/Componentes${NC}"
+    echo -e "${YELLOW}  • 3 Pedimentos${NC}"
+    echo -e "${YELLOW}  • 3 Facturas${NC}"
+}
+
 # Variables de configuración
 KEYCLOAK_URL="${KEYCLOAK_URL:-http://localhost:8080/kcauth}"
 KEYCLOAK_ADMIN="${KEYCLOAK_ADMIN:-admin}"
@@ -559,8 +745,10 @@ fi
 
 # Obtener información de la company
 COMPANY_INFO=$(exec_pg_sql "SELECT id, name FROM a76.company WHERE tenant_id = ${TENANT_ID} LIMIT 1;")
+COMPANY_ID=$(exec_pg_sql "SELECT id FROM a76.company WHERE tenant_id = ${TENANT_ID} LIMIT 1;" | xargs)
 
 echo -e "${GREEN}✓ Company: ${COMPANY_INFO}${NC}"
+echo -e "${GREEN}✓ Company ID: ${COMPANY_ID}${NC}"
 
 # Agregar tenant_id al usuario demo en Keycloak
 echo -e "\n${YELLOW}Asignando tenant_id al usuario demo...${NC}"
@@ -635,6 +823,13 @@ else
     fi
 fi
 
+###############################################################################
+# 9. Cargar datos de ejemplo (opcional)
+###############################################################################
+if [ "$SEED_DATA" = true ]; then
+    execute_seed_data
+fi
+
 ###############################################################################
 # Resumen final
 ###############################################################################
@@ -673,6 +868,18 @@ echo -e "  ${GREEN}✓${NC} Plan: Enterprise (ilimitado)"
 echo -e "  ${GREEN}✓${NC} Status: Activa"
 echo -e "  ${GREEN}✓${NC} Features: API, Reportes Avanzados, Integraciones, Soporte Dedicado"
 echo -e "  ${GREEN}✓${NC} Vigencia: 1 año"
+
+if [ "$SEED_DATA" = true ]; then
+echo -e "\n${YELLOW}Datos de ejemplo:${NC}"
+echo -e "  ${GREEN}✓${NC} Agentes aduanales: 3"
+echo -e "  ${GREEN}✓${NC} Clientes/Proveedores: 4"
+echo -e "  ${GREEN}✓${NC} Tipos de paquete: 4"
+echo -e "  ${GREEN}✓${NC} Clases: 4"
+echo -e "  ${GREEN}✓${NC} Parts/Componentes: 5"
+echo -e "  ${GREEN}✓${NC} Pedimentos: 3"
+echo -e "  ${GREEN}✓${NC} Facturas: 3"
+fi
+
 echo -e "\n${YELLOW}Puedes acceder al sistema en:${NC}"
 echo -e "  ${GREEN}http://localhost:5173${NC}"
 echo -e "\n${GREEN}════════════════════════════════════════════════════════${NC}\n"