refactor(web): pantallas y formularios separados por módulo (ventas, compras, inventario)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

apps/web/src/app/features/documents/compras/compras.layouts.ts

@@ -0,0 +1,48 @@
+import {
+  type DocumentLayout,
+  FIELDS,
+  blankLine,
+  commentsOnly,
+  descriptionColumn,
+  itemColumn,
+  quantityColumn,
+  today,
+  warehouseColumn,
+} from '../document-layouts';
+
+/** Solicitud de compra: solicitante (usuario de SAP), fecha requerida y, por línea, proveedor sugerido. */
+export const purchaseRequestLayout: DocumentLayout = {
+  lines: { key: 'DocumentLines', fields: ['ItemCode', 'ItemDescription', 'Quantity', 'UoMEntry', 'WarehouseCode', 'LineVendor'], base: false },
+  header: { left: [FIELDS.requester], right: [FIELDS.docNum, FIELDS.docDate, FIELDS.requiredDate] },
+  footer: commentsOnly,
+  columns: [
+    itemColumn,
+    descriptionColumn,
+    quantityColumn,
+    warehouseColumn,
+    {
+      key: 'LineVendor',
+      title: 'Proveedor',
+      width: '130px',
+      mono: true,
+      lookup: {
+        config: {
+          title: 'Proveedores',
+          resource: 'BusinessPartners',
+          baseFilter: `CardType eq 'cSupplier'`,
+          orderby: 'CardCode',
+          columns: [
+            { key: 'CardCode', title: 'Código', width: '130px', mono: true },
+            { key: 'CardName', title: 'Nombre' },
+          ],
+        },
+        apply: (bp, line) => ({ ...line, LineVendor: bp['CardCode'] }),
+      },
+    },
+  ],
+  newHeader: () => ({ DocDate: today(), RequriedDate: today() }),
+  newLine: blankLine,
+  // El solicitante es un usuario de SAP (`ReqType` 12).
+  beforeCreate: (h) => (h['Requester'] ? { ...h, ReqType: 12 } : h),
+  requiredLine: [],
+};