feat(contribuyentes): mostrar nombre del supervisor en card

apps/api/src/controllers/contribuyente.controller.ts

@@ -42,7 +42,24 @@ export async function list(req: Request, res: Response, next: NextFunction) {
   try {
     const visibleIds = await getEntidadesVisibles(req.tenantPool!, req.user!.userId, req.user!.role);
     const rows = await contribuyenteService.listContribuyentes(req.tenantPool!, visibleIds, req.user!.tenantId);
-    return res.json({ data: rows });
+
+    // Batch lookup de nombres de supervisores
+    const supervisorIds = [...new Set(rows.map(r => r.supervisorUserId).filter(Boolean))] as string[];
+    const supervisorNames: Record<string, string> = {};
+    if (supervisorIds.length > 0) {
+      const users = await prisma.user.findMany({
+        where: { id: { in: supervisorIds } },
+        select: { id: true, nombre: true },
+      });
+      for (const u of users) supervisorNames[u.id] = u.nombre;
+    }
+
+    return res.json({
+      data: rows.map(r => ({
+        ...r,
+        supervisorNombre: r.supervisorUserId ? (supervisorNames[r.supervisorUserId] ?? null) : null,
+      })),
+    });
   } catch (err) { return next(err); }
 }