feat: Lotes (datos maestros de inventario): lista y formulario de BatchNumberDetails con clave numérica y sin «Nuevo»

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

apps/web/src/app/features/masters/master-form.page.ts

@@ -63,6 +63,12 @@ export class MasterFormPage {
     initialValue: this.route.snapshot.paramMap.get('key'),
   });
   protected readonly isNew = computed(() => this.key() === null);
+  /** SAP no crea este registro desde aquí (los lotes): sin botón «Nuevo» y `/nuevo` vuelve a la lista. */
+  protected readonly creatable = this.screen.creatable !== false;
+
+  constructor() {
+    if (!this.creatable && this.isNew()) void this.router.navigate(['..'], { relativeTo: this.route });
+  }
 
   // --- datos ---------------------------------------------------------------------------------
 
@@ -128,10 +134,12 @@ export class MasterFormPage {
     if (this.isNew()) return { label: 'Nuevo', tone: 'info' };
     const d = this.doc();
     if (!d) return undefined;
+    if (this.screen.badge) return this.screen.badge(d);
     return d['Frozen'] === 'tYES' ? { label: 'Inactivo', tone: 'muted' } : { label: 'Activo', tone: 'ok' };
   });
   protected readonly windowTitle = computed(() => {
     const d = this.doc();
+    if (this.screen.titleField && d) return `${this.screen.singular} · ${text(d[this.screen.titleField])}`;
     const code = this.screen.displayField && d ? displayCode({ Code: text(d[this.screen.keyField]), FormatCode: text(d[this.screen.displayField]) }) : d?.[this.screen.keyField];
     return code === undefined ? this.screen.singular : `${this.screen.singular} · ${text(code)}`;
   });
@@ -189,7 +197,7 @@ export class MasterFormPage {
 
   protected async go(target: MasterNavTarget): Promise<void> {
     try {
-      const next = await this.api.neighbour(this.screen.resource, this.screen.keyField, target, this.key(), this.screen.baseFilter);
+      const next = await this.api.neighbour(this.screen.resource, this.screen.keyField, target, this.key(), this.screen.baseFilter, this.screen.keyType === 'number');
       if (next === null) {
         this.message.set({ kind: 'warn', text: 'No hay más registros en esa dirección.' });
         return;