fix: version 2.11.2 -- badge de Tareas pasa a hechas/total en vez de pendientes/total

"3/4" se leia como "3 pendientes de 4", confuso. Ahora "1/4" = 1 hecha de 4, mismo criterio
que el resto de contadores nuevos (siempre n/n, nunca se oculta).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

frontend/package.json

@@ -1,7 +1,7 @@
 {
   "name": "project-linkedcorp-frontend",
   "private": true,
-  "version": "2.11.1",
+  "version": "2.11.2",
   "type": "module",
   "scripts": {
     "dev": "vite",

frontend/src/pages/Proyectos/ActivityDetailPanel.jsx

@@ -60,10 +60,9 @@ export default function ActivityDetailPanel({ activity, projectId, siblingActivi
 
   const hasTasks = tasks && tasks.length > 0;
   const totalTasksCount = (tasks || []).length;
-  const pendingTasksCount = (tasks || []).filter((task) => !task.is_done).length;
-  // "pendientes/total" (ej. "2/3") en vez de un numero solo — cambia solo cuando se agregan,
-  // quitan o marcan/desmarcan tareas.
-  const tasksTabCount = totalTasksCount > 0 ? `${pendingTasksCount}/${totalTasksCount}` : 0;
+  const doneTasksCount = (tasks || []).filter((task) => task.is_done).length;
+  // "hechas/total" (ej. "1/4") -- cambia solo cuando se agregan, quitan o marcan/desmarcan tareas.
+  const tasksTabCount = `${doneTasksCount}/${totalTasksCount}`;
   const priorityOptions = (priorities || []).map((p) => ({ value: p.id, label: p.name }));
   const statusOptions = (statuses || []).map((s) => ({ value: s.id, label: s.name }));
   const userOptions = (users || []).map((u) => ({ value: u.id, label: u.name }));