diff --git a/nuxt4-app/server/data-sources/vista_resumen_ingresos/config.ts b/nuxt4-app/server/data-sources/vista_resumen_ingresos/config.ts
index 53203b8..aa979d7 100644
--- a/nuxt4-app/server/data-sources/vista_resumen_ingresos/config.ts
+++ b/nuxt4-app/server/data-sources/vista_resumen_ingresos/config.ts
@@ -4,5 +4,12 @@ export const vistaResumenIngresosConfig: TableConfig = {
   name: 'vista_resumen_ingresos',
   table: 'vista_resumen_ingresos',
   primaryKey: 'id',
-  defaultSelect: '*, fecha as created_at'
+  defaultSelect: '*',
+  transforms: {
+    // Map fecha to created_at for consistency
+    serializeRow: (row: any) => ({
+      ...row,
+      created_at: row.fecha || row.created_at
+    })
+  }
 }
\ No newline at end of file
diff --git a/nuxt4-app/server/data-sources/vista_resumen_ingresos_por_comercio/config.ts b/nuxt4-app/server/data-sources/vista_resumen_ingresos_por_comercio/config.ts
index 2b4decf..fc41a03 100644
--- a/nuxt4-app/server/data-sources/vista_resumen_ingresos_por_comercio/config.ts
+++ b/nuxt4-app/server/data-sources/vista_resumen_ingresos_por_comercio/config.ts
@@ -4,5 +4,12 @@ export const vistaResumenIngresosPorComercioConfig: TableConfig = {
   name: 'vista_resumen_ingresos_por_comercio',
   table: 'vista_resumen_ingresos_por_comercio',
   primaryKey: 'id',
-  defaultSelect: '*, fecha as created_at'
+  defaultSelect: '*',
+  transforms: {
+    // Map fecha to created_at for consistency
+    serializeRow: (row: any) => ({
+      ...row,
+      created_at: row.fecha || row.created_at
+    })
+  }
 }
\ No newline at end of file
diff --git a/nuxt4-app/server/services/table-service.ts b/nuxt4-app/server/services/table-service.ts
index 39a7920..c1dce64 100644
--- a/nuxt4-app/server/services/table-service.ts
+++ b/nuxt4-app/server/services/table-service.ts
@@ -72,17 +72,20 @@ export async function fetchTableMetadata(tableName: string, options?: MetadataOp
     )
       .limit(1)
 
-    // Try to get created_at range, but don't fail if the column doesn't exist
+    // Try to get created_at range
+    // For views with 'fecha' field, try that first, otherwise use 'created_at'
+    const orderField = baseSelect.includes('fecha') ? 'fecha' : 'created_at'
+
     const earliestPromise = supabase
       .from(config.table)
-      .select('created_at')
-      .order('created_at', { ascending: true })
+      .select(baseSelect)
+      .order(orderField, { ascending: true })
       .limit(1)
 
     const latestPromise = supabase
       .from(config.table)
-      .select('created_at')
-      .order('created_at', { ascending: false })
+      .select(baseSelect)
+      .order(orderField, { ascending: false })
       .limit(1)
 
     const [sampleResult, earliestResult, latestResult] =