fix Admin Dashboar / rm user notification

frontend/src/pages/AdminDashboard.jsx

@@ -331,6 +331,38 @@ function AdminDashboard({ token }) {
                         </div>
                     </div>
                 )}
+
+                {activeTab === 'visitors' && (
+                    <div className="bg-slate-800 rounded-2xl p-6 border border-slate-700">
+                        <h2 className="text-xl font-bold mb-6">Visitor Approvals</h2>
+
+                        {Object.values(activePeople.filter(p => p.status === 'PENDING').reduce((acc, p) => {
+                            const uId = p.addedById || 0;
+                            if (!acc[uId]) acc[uId] = { user: p.addedBy?.username || 'Unknown', userId: uId, items: [] };
+                            acc[uId].items.push(p);
+                            return acc;
+                        }, {})).map(group => (
+                            <div key={group.userId} className="mb-6 bg-slate-900 p-4 rounded-xl border border-slate-700">
+                                <div className="flex justify-between items-center mb-4 border-b border-slate-700 pb-2">
+                                    <h3 className="font-bold text-lg text-purple-400">User: {group.user}</h3>
+                                    <button onClick={() => handleBulkApprove(group.userId)} className="bg-green-600 hover:bg-green-500 px-4 py-1 rounded text-sm font-bold">
+                                        Approve All ({group.items.length})
+                                    </button>
+                                </div>
+                                <div className="space-y-2">
+                                    {group.items.map(p => (
+                                        <div key={p.id} className="flex justify-between text-sm text-slate-300">
+                                            <span>{p.name} ({p.rut})</span>
+                                            <span>{parseInt((new Date(p.endDate) - new Date(p.startDate)) / (1000 * 60 * 60 * 24))} Days</span>
+                                        </div>
+                                    ))}
+                                </div>
+                            </div>
+                        ))}
+
+                        {activePeople.filter(p => p.status === 'PENDING').length === 0 && <p className="text-slate-500">No pending visitors.</p>}
+                    </div>
+                )}
             </div>
         </div>
     );

frontend/src/pages/UserDashboard.jsx

@@ -76,7 +76,7 @@ function UserDashboard({ token, username }) {
             });
             setNewPerson({ name: '', rut: '', durationDays: 1 });
             fetchPeople();
-            alert('Person registered! Waiting for admin approval.');
+            // Alert removed for better UX
         } catch (err) {
             alert('Error: ' + (err.response?.data?.error || err.message));
         }