refactor: update Svelte components to use runes, snippets, and improved reactivity patterns.

backend/api/v1/modules/a76/general_catalogs/company/service.py

@@ -3,6 +3,7 @@ Capa de servicio para lógica de negocio de empresa
 """
 
 import logging
+from datetime import datetime
 from typing import List, Optional, Tuple, Dict, Any
 
 from fastapi import HTTPException
@@ -37,7 +38,7 @@ class CompanyService:
         filters: Optional[Dict[str, Any]] = None,
     ) -> Tuple[List[Company], int]:
         """Get all companies for a tenant with pagination"""
-        query = db.query(Company).filter(Company.tenant_id == tenant_id)
+        query = db.query(Company).filter(Company.tenant_id == tenant_id, Company.deleted_at.is_(None))
 
         # Apply filters if provided
         if filters:
@@ -65,6 +66,7 @@ class CompanyService:
             .filter(
                 Company.id == company_id,
                 Company.tenant_id == tenant_id,
+                Company.deleted_at.is_(None)
             )
             .first()
         )
@@ -590,17 +592,9 @@ class CompanyService:
         # ----------------------
 
         try:
-            # Cascading deletes are handled by relationship settings, but manual is safer here
-            if company.certification: db.delete(company.certification)
-            if company.prevalidator: db.delete(company.prevalidator)
-            if company.electronic_agent: db.delete(company.electronic_agent)
-            if company.ventanilla_unica: db.delete(company.ventanilla_unica)
-            if company.cfdi: db.delete(company.cfdi)
-            for cert in company.digital_certificates: db.delete(cert)
-            for addr in company.addresses: db.delete(addr)
-
+            company.deleted_at = datetime.utcnow()
+            
             db.flush()
-            db.delete(company)
             db.commit()
 
             # --- Audit Log ---
@@ -765,7 +759,7 @@ class CompanyService:
         """Get all companies for a tenant"""
         return (
             self.db.query(Company)
-            .filter(Company.tenant_id == tenant_id)
+            .filter(Company.tenant_id == tenant_id, Company.deleted_at.is_(None))
             .order_by(Company.name)
             .all()
         )
@@ -774,7 +768,7 @@ class CompanyService:
         """Check if a company exists for a tenant"""
         return (
             self.db.query(Company)
-            .filter(Company.tenant_id == tenant_id)
+            .filter(Company.tenant_id == tenant_id, Company.deleted_at.is_(None))
             .first()
             is not None
         )