refactor: version 2.18.2 -- Panel: se quita "Mis actividades pendientes"

El detalle vive en los popups de las tarjetas; se elimina tambien la consulta
myPendingActivities del backend, que quedaba sin uso.

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

backend/src/modules/dashboard/controller.js

@@ -14,10 +14,9 @@ function memberFilterFor(currentUser) {
 
 export const getSummary = asyncHandler(async (req, res) => {
   const memberUserId = memberFilterFor(req.currentUser);
-  const [kpis, myActivities, byStatus, overdueProjects, activeProjects, dueSoonProjects,
+  const [kpis, byStatus, overdueProjects, activeProjects, dueSoonProjects,
     pendingActivities, overdueActivities, todayActivities] = await Promise.all([
     repo.summary(memberUserId),
-    repo.myPendingActivities(req.currentUser.id, memberUserId),
     repo.projectsByStatus(memberUserId),
     repo.overdueProjectsList(memberUserId),
     repo.activeProjectsList(memberUserId),
@@ -30,7 +29,6 @@ export const getSummary = asyncHandler(async (req, res) => {
   const withActivityDue = (a) => ({ ...a, dueStatus: dueStatus(a.due_date) });
   ok(res, {
     kpis,
-    myActivities: myActivities.map(withActivityDue),
     projectsByStatus: byStatus,
     // Detalle de cada tarjeta del Panel (popup al hacer clic).
     overdueProjects: overdueProjects.map((p) => ({ ...p, dueStatus: 'overdue' })),