feat: update company API endpoint, refine pedimento dates model, and adjust Keycloak mapper creation

backend/api/v1/modules/public/reference_data/code_pedimento_regimens/routes.py

@@ -15,11 +15,16 @@ router = APIRouter(prefix="/code-pedimento-regimens")
 def list_code_pedimento_regimens(
     page: int = Query(1, ge=1, description="Número de página"),
     page_size: int = Query(50, ge=1, le=100, description="Tamaño de página"),
+    code: str = Query(None, description="Filter by code"),
     db: Session = Depends(get_core_db),
     current_user: dict = Depends(get_current_user),
 ):
     skip = (page - 1) * page_size
     query = db.query(CodePedimentoRegimen)
+    
+    if code is not None:
+        query = query.filter(CodePedimentoRegimen.pedimento_code == code)
+        
     items = query.offset(skip).limit(page_size).all()
     total = query.count()
     return {