ProjectListView: modal descripción completa + gestor de equipo por proyecto

- Descripción clickeable abre Dialog con texto completo
- Avatares de miembros del equipo en cada card (tooltip + max 4 + +N)
- Gestor de equipo: selección curada de miembros por proyecto
- Persistencia local vía storage (L1/L2/L3)
- i18n es/en con 7 keys nuevas

src/i18n/locales/en.json

@@ -75,7 +75,9 @@
     "loading": "Loading...",
     "retry": "Retry",
     "backToProjects": "Back to Projects",
-    "noDescription": "No description"
+    "noDescription": "No description",
+    "cancel": "Cancel",
+    "save": "Save"
   },
   "sidebar": {
     "navigation": "Navigation",
@@ -133,7 +135,14 @@
     "emptyTitle": "No assigned projects",
     "emptyDescription": "You have no active projects in KAPPA.",
     "noDescription": "No description",
-    "unnamedFallback": "Project {id}"
+    "unnamedFallback": "Project {id}",
+    "clickToExpand": "Click to view full description",
+    "descriptionModalTitle": "Full description",
+    "teamMembers": "Team",
+    "manageTeam": "Manage team",
+    "selectTeamMembers": "Select team members for this project",
+    "noTeamMembers": "No team assigned",
+    "moreMembers": "+{count} more"
   },
   "users": {
     "teamTitle": "Team",