feat(web): columna «Nombre de la cuenta» en las líneas de servicio (solo lectura)

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

apps/web/src/app/core/sl/account-codes.ts

@@ -9,6 +9,8 @@ import { escapeODataString } from './odata';
 
 /** `Code` de la cuenta → su `FormatCode` (el código que conoce el usuario). */
 const formats = signal<ReadonlyMap<string, string>>(new Map());
+/** `Code` de la cuenta → su nombre. */
+const names = signal<ReadonlyMap<string, string>>(new Map());
 
 /** Cuántos códigos se piden por consulta. */
 const BATCH = 20;
@@ -28,10 +30,15 @@ export const ACCOUNT_CODES: CodeDisplay = {
   ensure(codes: readonly string[]): void {
     void service?.ensure(codes);
   },
+  label(code: string): string {
+    return names().get(code) ?? '';
+  },
   remember(row: VhRow): void {
     const code = String(row['Code'] ?? '');
     const format = String(row['FormatCode'] ?? '').trim();
+    const name = String(row['Name'] ?? '').trim();
     if (code && format && formats().get(code) !== format) formats.update((m) => new Map(m).set(code, format));
+    if (code && name && names().get(code) !== name) names.update((m) => new Map(m).set(code, name));
   },
 };
 
@@ -46,12 +53,12 @@ export class AccountCodesService {
   }
 
   async ensure(codes: readonly string[]): Promise<void> {
-    const missing = [...new Set(codes.filter((c) => c && !formats().has(c) && !this.asked.has(c)))];
+    const missing = [...new Set(codes.filter((c) => c && !(formats().has(c) && names().has(c)) && !this.asked.has(c)))];
     for (const c of missing) this.asked.add(c);
     for (let i = 0; i < missing.length; i += BATCH) {
       const filter = missing.slice(i, i + BATCH).map((c) => `Code eq '${escapeODataString(c)}'`).join(' or ');
       try {
-        const params = new HttpParams().set('$select', 'Code,FormatCode').set('$filter', filter);
+        const params = new HttpParams().set('$select', 'Code,FormatCode,Name').set('$filter', filter);
         const res = await firstValueFrom(this.http.get<SlListResponse<VhRow>>(`${API_URL}/sl/ChartOfAccounts`, { params }));
         for (const row of res.value) ACCOUNT_CODES.remember(row);
       } catch {

apps/web/src/app/features/documents/line-columns.ts

@@ -1,4 +1,5 @@
 import type { GridColumn, GridLine, GridMultiAdd } from '../../shared/grid/grid.types';
+import { ACCOUNT_CODES } from '../../core/sl/account-codes';
 import { ACCOUNT_LOOKUP, PROJECT_LOOKUP, dimensionLookup } from './dimension-lookups';
 import { hasBaseRef, objectLabel } from './document-objects';
 
@@ -227,6 +228,8 @@ export const serviceLineColumns = (taxResource = 'SalesTaxCodes'): readonly Grid
         }),
       },
     },
+    // el nombre de la cuenta (SAP lo muestra aunque la línea no tenga descripción propia): solo se ve, no se guarda
+    { key: '_AccountName', title: 'Nombre de la cuenta', width: '230px', format: (l) => ACCOUNT_CODES.label?.(String(l['AccountCode'] ?? '')) ?? '' },
     { ...LINE_COLUMNS.description, width: '260px' },
     LINE_COLUMNS.tax,
     { ...LINE_COLUMNS.total, readonly: false, required: true },

apps/web/src/app/shared/value-help/value-help.types.ts

@@ -30,4 +30,6 @@ export interface CodeDisplay {
   ensure(codes: readonly string[]): void;
   /** Aprende el texto de una fila elegida o encontrada. */
   remember(row: VhRow): void;
+  /** Nombre de lo que identifica el código (el de la cuenta), si ya se conoce. */
+  label?(code: string): string;
 }