From e64654c8203efbffc041d7cdb9ca93842160a63c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cau=C3=AA=20Faleiros?= <cauefaleiros@gmail.com>
Date: Fri, 29 May 2026 14:34:40 -0300
Subject: [PATCH] Replace notifications with activity feed

---
 CONTEXT.md                           |   8 +-
 backend/index.js                     |  81 ++------------
 backend/routes/activityRoutes.js     |  30 +++++
 backend/routes/authRoutes.js         |  23 ++--
 backend/routes/tenantsRoutes.js      |  12 +-
 backend/routes/usersRoutes.js        |  21 ++--
 backend/services/activityService.js  |  14 +++
 src/assets/audio/notification.mp3    | Bin 16128 -> 0 bytes
 src/components/Layout.tsx            | 158 ++++++---------------------
 src/pages/UserProfile.tsx            |  28 +----
 src/services/activityService.ts      |  23 ++++
 src/services/dataService.ts          |   2 +-
 src/services/notificationsService.ts |  66 -----------
 src/types.ts                         |   1 -
 14 files changed, 154 insertions(+), 313 deletions(-)
 create mode 100644 backend/routes/activityRoutes.js
 create mode 100644 backend/services/activityService.js
 delete mode 100644 src/assets/audio/notification.mp3
 create mode 100644 src/services/activityService.ts
 delete mode 100644 src/services/notificationsService.ts

diff --git a/CONTEXT.md b/CONTEXT.md
index af37a0c..468ccb5 100644
--- a/CONTEXT.md
+++ b/CONTEXT.md
@@ -28,16 +28,16 @@ We have transitioned from a mock-based prototype to a **secure, multi-tenant pro
   - Super Admins can generate persistent `api_keys` for specific tenants.
   - `GET /api/integration/users`, `/funnels`, and `/origins` allow the n8n AI to dynamically map the tenant's actual agents and workflow stages before processing a chat.
   - `POST /api/integration/attendances` accepts the AI's final JSON payload (including the `full_summary` text) and injects it directly into the dashboard.
-- **Real-Time Notification System:** 
-  - Built a persistent notification tray (`/api/notifications`) with real-time polling (10s intervals) and a hidden HTML5 `<audio>` player for cross-browser sound playback (custom `.mp3` loaded via Vite).
-  - Automated Triggers: Super Admins are notified of new organizations; Admins/Super Admins are notified of new user setups; Agents are notified of team assignment changes; Managers get "Venda Fechada" alerts when n8n posts a converted lead.
+- **Activity Feed:**
+  - Replaced the noisy real-time notification tray with an on-demand activity feed (`/api/activity`) that records important operational events without polling, unread state, delete actions, or sound playback.
+  - Automated activity events: Super Admins see new organizations; Admins/Super Admins see new user setups; Agents see team assignment changes; Managers see "Venda Fechada" events when n8n posts a converted lead.
 - **Enhanced UI/UX:** 
   - Premium "Onyx & Gold" True Black dark mode (Zinc scale).
   - Fully collapsible interactive sidebar with memory (`localStorage`).
   - All Date/Time displays localized to strict Brazilian formatting (`pt-BR`, 24h, `DD/MM/YY`).
 
 ## 📌 Roadmap / To-Do
-- [ ] **Advanced AI Notification Triggers:** Implement backend logic to automatically notify Managers when an attendance payload from n8n receives a critically low quality score (`score < 50`), or breaches a specific Response Time SLA (e.g., `first_response_time_min > 60`).
+- [ ] **Critical Activity Alerts:** Add backend rules for high-signal events such as critically low attendance scores (`score < 50`) or response-time SLA breaches (`first_response_time_min > 60`).
 - [ ] **Data Export/Reporting:** Allow Admins to export attendance and KPI data to CSV/Excel.
 - [ ] **Billing/Subscription Management:** Integrate a payment gateway (e.g., Stripe/Asaas) to manage tenant trial periods and active statuses dynamically.
 
diff --git a/backend/index.js b/backend/index.js
index d4d7777..21169d4 100644
--- a/backend/index.js
+++ b/backend/index.js
@@ -15,7 +15,9 @@ const { createAuthRouter } = require('./routes/authRoutes');
 const { createUsersRouter } = require('./routes/usersRoutes');
 const { createTeamsRouter } = require('./routes/teamsRoutes');
 const { createTenantsRouter } = require('./routes/tenantsRoutes');
+const { createActivityRouter } = require('./routes/activityRoutes');
 const { canReadAttendance } = require('./policies/accessPolicy');
+const { recordActivity } = require('./services/activityService');
 
 const app = express();
 
@@ -78,66 +80,7 @@ apiRouter.use(createTeamsRouter({ pool }));
 
 apiRouter.use(createTenantsRouter({ pool, transporter, getBaseUrl }));
 
-// --- Notifications Routes ---
-apiRouter.get('/notifications', async (req, res) => {
-  try {
-    const [rows] = await pool.query(
-      'SELECT * FROM notifications WHERE user_id = ? ORDER BY created_at DESC LIMIT 50',
-      [req.user.id]
-    );
-    res.json(rows);
-  } catch (error) {
-    res.status(500).json({ error: error.message });
-  }
-});
-
-apiRouter.put('/notifications/read-all', async (req, res) => {
-  try {
-    await pool.query(
-      'UPDATE notifications SET is_read = true WHERE user_id = ?',
-      [req.user.id]
-    );
-    res.json({ message: 'All notifications marked as read' });
-  } catch (error) {
-    res.status(500).json({ error: error.message });
-  }
-});
-
-apiRouter.put('/notifications/:id', async (req, res) => {
-  try {
-    await pool.query(
-      'UPDATE notifications SET is_read = true WHERE id = ? AND user_id = ?',
-      [req.params.id, req.user.id]
-    );
-    res.json({ message: 'Notification marked as read' });
-  } catch (error) {
-    res.status(500).json({ error: error.message });
-  }
-});
-
-apiRouter.delete('/notifications/clear-all', async (req, res) => {
-  try {
-    await pool.query(
-      'DELETE FROM notifications WHERE user_id = ?',
-      [req.user.id]
-    );
-    res.json({ message: 'All notifications deleted' });
-  } catch (error) {
-    res.status(500).json({ error: error.message });
-  }
-});
-
-apiRouter.delete('/notifications/:id', async (req, res) => {
-  try {
-    await pool.query(
-      'DELETE FROM notifications WHERE id = ? AND user_id = ?',
-      [req.params.id, req.user.id]
-    );
-    res.json({ message: 'Notification deleted' });
-  } catch (error) {
-    res.status(500).json({ error: error.message });
-  }
-});
+apiRouter.use(createActivityRouter({ pool }));
 
 // --- Origin Routes (Groups & Items) ---
 apiRouter.get('/origins', async (req, res) => {
@@ -719,10 +662,13 @@ apiRouter.post('/integration/attendances', requireRole(['admin']), async (req, r
       const agentName = agentInfo[0]?.name || 'Um agente';
 
       for (const m of managers) {
-        await pool.query(
-          'INSERT INTO notifications (id, user_id, type, title, message, link) VALUES (?, ?, ?, ?, ?, ?)',
-          [crypto.randomUUID(), m.id, 'success', 'Venda Fechada!', `${agentName} converteu um lead em ${funnel_stage}.`, `/attendances/${attId}`]
-        );
+        await recordActivity(pool, {
+          userId: m.id,
+          type: 'success',
+          title: 'Venda Fechada!',
+          message: `${agentName} converteu um lead em ${funnel_stage}.`,
+          link: `/attendances/${attId}`,
+        });
       }
     }
 
@@ -811,13 +757,6 @@ const provisionSuperAdmin = async (retries = 10, delay = 10000) => {
         console.log('Schema update note (populate slugs):', err.message);
       }
 
-      // Add sound_enabled column if it doesn't exist
-      try {
-        await connection.query('ALTER TABLE users ADD COLUMN sound_enabled BOOLEAN DEFAULT true');
-      } catch (err) {
-        if (err.code !== 'ER_DUP_FIELDNAME') console.log('Schema update note (sound_enabled):', err.message);
-      }
-
       // Update origin to VARCHAR for custom origins
       try {
         await connection.query("ALTER TABLE attendances MODIFY COLUMN origin VARCHAR(255) NOT NULL");
diff --git a/backend/routes/activityRoutes.js b/backend/routes/activityRoutes.js
new file mode 100644
index 0000000..4898041
--- /dev/null
+++ b/backend/routes/activityRoutes.js
@@ -0,0 +1,30 @@
+const express = require('express');
+
+const createActivityRouter = ({ pool }) => {
+  const router = express.Router();
+
+  const listActivity = async (req, res) => {
+    try {
+      const [rows] = await pool.query(
+        `SELECT id, type, title, message, link, created_at
+         FROM notifications
+         WHERE user_id = ?
+         ORDER BY created_at DESC
+         LIMIT 50`,
+        [req.user.id]
+      );
+      res.json(rows);
+    } catch (error) {
+      res.status(500).json({ error: error.message });
+    }
+  };
+
+  router.get('/activity', listActivity);
+  router.get('/notifications', listActivity);
+
+  return router;
+};
+
+module.exports = {
+  createActivityRouter,
+};
diff --git a/backend/routes/authRoutes.js b/backend/routes/authRoutes.js
index f97ce94..3469958 100644
--- a/backend/routes/authRoutes.js
+++ b/backend/routes/authRoutes.js
@@ -4,6 +4,7 @@ const jwt = require('jsonwebtoken');
 const crypto = require('crypto');
 const { hashSecret, maskSecret } = require('../utils/security');
 const { requireRole } = require('../middleware/auth');
+const { recordActivity } = require('../services/activityService');
 
 const createAuthRouter = ({ pool, transporter, getBaseUrl, jwtSecret }) => {
   const router = express.Router();
@@ -229,19 +230,25 @@ const createAuthRouter = ({ pool, transporter, getBaseUrl, jwtSecret }) => {
             [user.tenant_id, user.id]
           );
           for (const n of notifiable) {
-            await pool.query(
-              'INSERT INTO notifications (id, user_id, type, title, message, link) VALUES (?, ?, ?, ?, ?, ?)',
-              [crypto.randomUUID(), n.id, 'info', 'Novo Membro Ativo', `${name} concluiu o cadastro e já pode acessar o sistema.`, `/users/${user.id}`]
-            );
+            await recordActivity(pool, {
+              userId: n.id,
+              type: 'info',
+              title: 'Novo Membro Ativo',
+              message: `${name} concluiu o cadastro e já pode acessar o sistema.`,
+              link: `/users/${user.id}`,
+            });
           }
 
           if (user.role === 'admin') {
             const [superAdmins] = await pool.query("SELECT id FROM users WHERE role = 'super_admin'");
             for (const sa of superAdmins) {
-              await pool.query(
-                'INSERT INTO notifications (id, user_id, type, title, message, link) VALUES (?, ?, ?, ?, ?, ?)',
-                [crypto.randomUUID(), sa.id, 'success', 'Admin Ativo', `O admin ${name} da organização configurou sua conta.`, `/super-admin`]
-              );
+              await recordActivity(pool, {
+                userId: sa.id,
+                type: 'success',
+                title: 'Admin Ativo',
+                message: `O admin ${name} da organização configurou sua conta.`,
+                link: '/super-admin',
+              });
             }
           }
         }
diff --git a/backend/routes/tenantsRoutes.js b/backend/routes/tenantsRoutes.js
index edb61e1..8bd8067 100644
--- a/backend/routes/tenantsRoutes.js
+++ b/backend/routes/tenantsRoutes.js
@@ -1,6 +1,7 @@
 const express = require('express');
 const crypto = require('crypto');
 const { requireRole } = require('../middleware/auth');
+const { recordActivity } = require('../services/activityService');
 
 const createTenantsRouter = ({ pool, transporter, getBaseUrl }) => {
   const router = express.Router();
@@ -37,10 +38,13 @@ const createTenantsRouter = ({ pool, transporter, getBaseUrl }) => {
 
         const [superAdmins] = await connection.query("SELECT id FROM users WHERE role = 'super_admin'");
         for (const sa of superAdmins) {
-          await connection.query(
-            'INSERT INTO notifications (id, user_id, type, title, message, link) VALUES (?, ?, ?, ?, ?, ?)',
-            [crypto.randomUUID(), sa.id, 'success', 'Nova Organização', `A organização ${name} foi criada.`, '/super-admin']
-          );
+          await recordActivity(connection, {
+            userId: sa.id,
+            type: 'success',
+            title: 'Nova Organização',
+            message: `A organização ${name} foi criada.`,
+            link: '/super-admin',
+          });
         }
 
         await transporter.sendMail({
diff --git a/backend/routes/usersRoutes.js b/backend/routes/usersRoutes.js
index 8c45046..54b25a2 100644
--- a/backend/routes/usersRoutes.js
+++ b/backend/routes/usersRoutes.js
@@ -8,8 +8,9 @@ const {
   canChangeUserEmail,
   canManageUserRoleOrTeam,
 } = require('../policies/accessPolicy');
+const { recordActivity } = require('../services/activityService');
 
-const USER_PUBLIC_FIELDS = 'id, tenant_id, team_id, name, email, slug, role, status, bio, avatar_url, sound_enabled, created_at';
+const USER_PUBLIC_FIELDS = 'id, tenant_id, team_id, name, email, slug, role, status, bio, avatar_url, created_at';
 
 const createUsersRouter = ({ pool, upload, transporter, getBaseUrl }) => {
   const router = express.Router();
@@ -118,7 +119,7 @@ const createUsersRouter = ({ pool, upload, transporter, getBaseUrl }) => {
   });
 
   router.put('/users/:id', async (req, res) => {
-    const { name, bio, role, team_id, status, email, sound_enabled } = req.body;
+    const { name, bio, role, team_id, status, email } = req.body;
     try {
       const [existing] = await pool.query('SELECT * FROM users WHERE id = ?', [req.params.id]);
       if (existing.length === 0) return res.status(404).json({ error: 'Not found' });
@@ -129,7 +130,6 @@ const createUsersRouter = ({ pool, upload, transporter, getBaseUrl }) => {
       const finalTeamId = canManageUserRoleOrTeam(req.user) && team_id !== undefined ? team_id : existing[0].team_id;
       const finalStatus = canManageUserStatus(req.user) && status !== undefined ? status : existing[0].status;
       const finalEmail = canChangeUserEmail(req.user, existing[0]) && email !== undefined ? email : existing[0].email;
-      const finalSoundEnabled = req.user.id === req.params.id && sound_enabled !== undefined ? sound_enabled : (existing[0].sound_enabled ?? true);
 
       if (finalEmail !== existing[0].email) {
         const [emailCheck] = await pool.query('SELECT id FROM users WHERE email = ? AND id != ?', [finalEmail, req.params.id]);
@@ -137,17 +137,20 @@ const createUsersRouter = ({ pool, upload, transporter, getBaseUrl }) => {
       }
 
       await pool.query(
-        'UPDATE users SET name = ?, bio = ?, email = ?, role = ?, team_id = ?, status = ?, sound_enabled = ? WHERE id = ?',
-        [name || existing[0].name, bio !== undefined ? bio : existing[0].bio, finalEmail, finalRole, finalTeamId || null, finalStatus, finalSoundEnabled, req.params.id]
+        'UPDATE users SET name = ?, bio = ?, email = ?, role = ?, team_id = ?, status = ? WHERE id = ?',
+        [name || existing[0].name, bio !== undefined ? bio : existing[0].bio, finalEmail, finalRole, finalTeamId || null, finalStatus, req.params.id]
       );
 
       if (finalTeamId && finalTeamId !== existing[0].team_id && existing[0].status === 'active') {
         const [team] = await pool.query('SELECT name FROM teams WHERE id = ?', [finalTeamId]);
         if (team.length > 0) {
-          await pool.query(
-            'INSERT INTO notifications (id, user_id, type, title, message, link) VALUES (?, ?, ?, ?, ?, ?)',
-            [crypto.randomUUID(), req.params.id, 'info', 'Novo Time', `Você foi adicionado ao time ${team[0].name}.`, '/']
-          );
+          await recordActivity(pool, {
+            userId: req.params.id,
+            type: 'info',
+            title: 'Novo Time',
+            message: `Você foi adicionado ao time ${team[0].name}.`,
+            link: '/',
+          });
         }
       }
 
diff --git a/backend/services/activityService.js b/backend/services/activityService.js
new file mode 100644
index 0000000..af4a4ef
--- /dev/null
+++ b/backend/services/activityService.js
@@ -0,0 +1,14 @@
+const crypto = require('crypto');
+
+const recordActivity = async (db, { userId, type = 'info', title, message, link = null }) => {
+  if (!userId || !title || !message) return;
+
+  await db.query(
+    'INSERT INTO notifications (id, user_id, type, title, message, link) VALUES (?, ?, ?, ?, ?, ?)',
+    [crypto.randomUUID(), userId, type, title, message, link]
+  );
+};
+
+module.exports = {
+  recordActivity,
+};
diff --git a/src/assets/audio/notification.mp3 b/src/assets/audio/notification.mp3
deleted file mode 100644
index e6e2336014f5cecfb3dc9ae1112883cdf8ff46a1..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

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diff --git a/src/components/Layout.tsx b/src/components/Layout.tsx
index 31a9c7e..01aea8f 100644
--- a/src/components/Layout.tsx
+++ b/src/components/Layout.tsx
@@ -7,11 +7,10 @@ import {
 } from 'lucide-react';
 import { 
   getAttendances, getUsers, getUserById, logout, searchGlobal, 
-  getNotifications, markNotificationAsRead, markAllNotificationsAsRead,
-  deleteNotification, clearAllNotifications, returnToSuperAdmin
+  getActivityEvents, returnToSuperAdmin
 } from '../services/dataService';
 import { User } from '../types';
-import notificationSound from '../assets/audio/notification.mp3';
+import type { ActivityEvent } from '../services/activityService';
 
 const SidebarItem = ({ to, icon: Icon, label, collapsed }: { to: string, icon: any, label: string, collapsed: boolean }) => (
   <NavLink
@@ -52,53 +51,19 @@ export const Layout: React.FC<{ children: React.ReactNode }> = ({ children }) =>
   const [isSearching, setIsSearching] = useState(false);
   const [showSearchResults, setShowSearchResults] = useState(false);
 
-  // Notifications State
-  const [notifications, setNotifications] = useState<any[]>([]);
-  const [showNotifications, setShowNotifications] = useState(false);
-  const unreadCount = notifications.filter(n => !n.is_read).length;
-  const previousUnreadCountRef = React.useRef(0);
-  const isInitialLoadRef = React.useRef(true);
-  
-  // Pre-initialize audio to ensure it's loaded and ready
-  const audioRef = React.useRef<HTMLAudioElement | null>(null);
+  // Activity Feed State
+  const [activityEvents, setActivityEvents] = useState<ActivityEvent[]>([]);
+  const [showActivity, setShowActivity] = useState(false);
 
-  const playNotificationSound = () => {
-    if (currentUser?.sound_enabled !== false && audioRef.current) {
-      // Reset time to 0 to allow rapid replays
-      audioRef.current.currentTime = 0;
-      const playPromise = audioRef.current.play();
-      if (playPromise !== undefined) {
-        playPromise.catch(e => console.log('Audio play blocked by browser policy:', e));
-      }
-    }
+  const loadActivityEvents = async () => {
+    const data = await getActivityEvents();
+    setActivityEvents(data);
   };
 
-  const loadNotifications = async () => {
-    const data = await getNotifications();
-    
-    const newUnreadCount = data.filter((n: any) => !n.is_read).length;
-    
-    // Only play sound if it's NOT the first load AND the count actually increased
-    if (!isInitialLoadRef.current && newUnreadCount > previousUnreadCountRef.current) {
-      playNotificationSound();
-    }
-    
-    setNotifications(data);
-    previousUnreadCountRef.current = newUnreadCount;
-    isInitialLoadRef.current = false;
-  };
-
-  const handleBellClick = async () => {
-    const willOpen = !showNotifications;
-    setShowNotifications(willOpen);
-    
-    if (willOpen && unreadCount > 0) {
-      // Optimistic update
-      setNotifications(prev => prev.map(n => ({ ...n, is_read: true })));
-      previousUnreadCountRef.current = 0;
-      await markAllNotificationsAsRead();
-      loadNotifications();
-    }
+  const handleActivityClick = async () => {
+    const willOpen = !showActivity;
+    setShowActivity(willOpen);
+    if (willOpen) await loadActivityEvents();
   };
 
   useEffect(() => {
@@ -144,9 +109,7 @@ export const Layout: React.FC<{ children: React.ReactNode }> = ({ children }) =>
       }
     };
     fetchCurrentUser();
-    loadNotifications();
-    const interval = setInterval(loadNotifications, 10000);
-    return () => clearInterval(interval);
+    loadActivityEvents();
   }, [navigate]);
 
   const handleLogout = () => {
@@ -499,94 +462,52 @@ export const Layout: React.FC<{ children: React.ReactNode }> = ({ children }) =>
             {/* Notifications */}
             <div className="relative">
               <button
-                onClick={handleBellClick}
+                onClick={handleActivityClick}
                 className="p-2 text-zinc-500 dark:text-dark-muted hover:bg-zinc-100 dark:hover:bg-dark-border rounded-full relative transition-colors"
-              >                <Bell size={20} />
-                {unreadCount > 0 && (
-                  <span className="absolute top-1.5 right-2 w-2.5 h-2.5 bg-brand-yellow rounded-full border-2 border-white dark:border-dark-header"></span>
-                )}
+                title="Atividades"
+              >
+                <Bell size={20} />
               </button>
 
-              {showNotifications && (
+              {showActivity && (
                 <div className="absolute top-full mt-2 right-0 w-80 bg-white dark:bg-dark-card border border-zinc-200 dark:border-dark-border rounded-2xl shadow-2xl overflow-hidden z-50 animate-in fade-in slide-in-from-top-2 duration-200">
                   <div className="p-4 border-b border-zinc-100 dark:border-dark-border flex justify-between items-center bg-zinc-50/50 dark:bg-dark-bg/50">
-                    <h3 className="font-bold text-zinc-900 dark:text-dark-text">Notificações</h3>
-                    <div className="flex gap-3">
-                      {unreadCount > 0 && (
-                        <button 
-                          onClick={async (e) => {
-                            e.stopPropagation();
-                            await markAllNotificationsAsRead();
-                            loadNotifications();
-                          }}
-                          className="text-xs text-brand-yellow hover:underline"
-                        >
-                          Marcar lidas
-                        </button>
-                      )}
-                      {notifications.length > 0 && (
-                        <button 
-                          onClick={async (e) => {
-                            e.stopPropagation();
-                            await clearAllNotifications();
-                            loadNotifications();
-                          }}
-                          className="text-xs text-zinc-400 hover:text-red-500 hover:underline transition-colors"
-                        >
-                          Limpar tudo
-                        </button>
-                      )}
-                    </div>
+                    <h3 className="font-bold text-zinc-900 dark:text-dark-text">Atividades</h3>
                   </div>
                   <div className="max-h-96 overflow-y-auto">
-                    {notifications.length > 0 ? (
-                      notifications.map(n => (
+                    {activityEvents.length > 0 ? (
+                      activityEvents.map(event => (
                         <div
-                          key={n.id}
-                          className={`w-full relative group p-4 text-left hover:bg-zinc-50 dark:hover:bg-dark-border transition-colors border-b border-zinc-50 dark:border-dark-border/50 last:border-0 ${!n.is_read ? 'bg-brand-yellow/5 dark:bg-brand-yellow/5' : ''}`}
+                          key={event.id}
+                          className="w-full relative group p-4 text-left hover:bg-zinc-50 dark:hover:bg-dark-border transition-colors border-b border-zinc-50 dark:border-dark-border/50 last:border-0"
                         >
                           <div 
-                            className="cursor-pointer pr-6" 
-                            onClick={async () => {
-                              if (!n.is_read) await markNotificationAsRead(n.id);
-                              if (n.link) navigate(n.link);
-                              setShowNotifications(false);
-                              loadNotifications();
+                            className={event.link ? 'cursor-pointer' : ''}
+                            onClick={() => {
+                              if (event.link) navigate(event.link);
+                              setShowActivity(false);
                             }}
                           >
                             <div className="flex justify-between items-start mb-1">
                               <span className={`text-xs font-bold uppercase tracking-wider ${
-                                n.type === 'success' ? 'text-green-500' : 
-                                n.type === 'warning' ? 'text-orange-500' : 
-                                n.type === 'error' ? 'text-red-500' : 'text-blue-500'
+                                event.type === 'success' ? 'text-green-500' :
+                                event.type === 'warning' ? 'text-orange-500' :
+                                event.type === 'error' ? 'text-red-500' : 'text-blue-500'
                               }`}>
-                                {n.type === 'success' ? 'SUCESSO' : n.type === 'warning' ? 'AVISO' : n.type === 'error' ? 'ERRO' : 'INFO'}
+                                {event.type === 'success' ? 'SUCESSO' : event.type === 'warning' ? 'AVISO' : event.type === 'error' ? 'ERRO' : 'INFO'}
                               </span>
                               <span className="text-[10px] text-zinc-400 dark:text-dark-muted">
-                                {new Date(n.created_at).toLocaleDateString('pt-BR')}
+                                {new Date(event.created_at).toLocaleDateString('pt-BR')}
                               </span>
                             </div>
-                            <div className="text-sm font-bold text-zinc-900 dark:text-dark-text mb-0.5">{n.title}</div>
-                            <p className="text-xs text-zinc-500 dark:text-dark-muted line-clamp-2">{n.message}</p>
+                            <div className="text-sm font-bold text-zinc-900 dark:text-dark-text mb-0.5">{event.title}</div>
+                            <p className="text-xs text-zinc-500 dark:text-dark-muted line-clamp-2">{event.message}</p>
                           </div>
-                          
-                          {/* Delete Button */}
-                          <button
-                            onClick={async (e) => {
-                              e.stopPropagation();
-                              await deleteNotification(n.id);
-                              loadNotifications();
-                            }}
-                            className="absolute top-4 right-4 p-1 text-zinc-300 hover:text-red-500 transition-all rounded-md hover:bg-red-50 dark:hover:bg-red-900/30"
-                            title="Remover notificação"
-                          >
-                            <X size={14} />
-                          </button>
                         </div>
                       ))
                     ) : (
                       <div className="p-8 text-center text-zinc-500 dark:text-dark-muted text-sm">
-                        Nenhuma notificação por enquanto.
+                        Nenhuma atividade por enquanto.
                       </div>
                     )}
                   </div>
@@ -594,8 +515,7 @@ export const Layout: React.FC<{ children: React.ReactNode }> = ({ children }) =>
               )}
             </div>
 
-            {/* Close notifications when clicking outside */}
-            {showNotifications && <div className="fixed inset-0 z-40" onClick={() => setShowNotifications(false)} />}
+            {showActivity && <div className="fixed inset-0 z-40" onClick={() => setShowActivity(false)} />}
           </div>
         </header>
 
@@ -613,12 +533,6 @@ export const Layout: React.FC<{ children: React.ReactNode }> = ({ children }) =>
         />
       )}
 
-      {/* Hidden Audio Player for Notifications */}
-      <audio 
-        ref={audioRef} 
-        src={notificationSound} 
-        preload="auto" 
-      />
     </div>
   );
 };
diff --git a/src/pages/UserProfile.tsx b/src/pages/UserProfile.tsx
index 8597ce3..639a784 100644
--- a/src/pages/UserProfile.tsx
+++ b/src/pages/UserProfile.tsx
@@ -1,5 +1,5 @@
 import React, { useState, useEffect, useRef } from 'react';
-import { Camera, Save, Mail, User as UserIcon, Building, Shield, Loader2, CheckCircle2, Bell } from 'lucide-react';
+import { Camera, Save, Mail, User as UserIcon, Building, Shield, Loader2, CheckCircle2 } from 'lucide-react';
 import { getUserById, getTenants, getTeams, updateUser, uploadAvatar } from '../services/dataService';
 import { User, Tenant } from '../types';
 
@@ -273,32 +273,6 @@ export const UserProfile: React.FC = () => {
                 <p className="text-xs text-zinc-400 dark:text-zinc-500 text-right">{bio.length}/500 caracteres</p>
               </div>
 
-              <div className="space-y-2 pt-2">
-                <div className="flex items-center justify-between p-4 bg-zinc-50 dark:bg-zinc-900/50 rounded-xl border border-zinc-200 dark:border-zinc-800">
-                  <div>
-                    <h4 className="text-sm font-semibold text-zinc-900 dark:text-zinc-100 flex items-center gap-2">
-                      <Bell size={16} className="text-brand-yellow" /> Notificações Sonoras
-                    </h4>
-                    <p className="text-xs text-zinc-500 dark:text-zinc-400 mt-1">
-                      Reproduzir um som quando você receber uma nova notificação.
-                    </p>
-                  </div>
-                  <label className="relative inline-flex items-center cursor-pointer">
-                    <input 
-                      type="checkbox" 
-                      className="sr-only peer" 
-                      checked={user.sound_enabled ?? true}
-                      onChange={async (e) => {
-                        const newStatus = e.target.checked;
-                        setUser({...user, sound_enabled: newStatus});
-                        await updateUser(user.id, { sound_enabled: newStatus });
-                      }}
-                    />
-                    <div className="w-11 h-6 bg-zinc-200 peer-focus:outline-none rounded-full peer dark:bg-zinc-700 peer-checked:after:translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-[2px] after:left-[2px] after:bg-white after:border-zinc-300 after:border after:rounded-full after:h-5 after:w-5 after:transition-all dark:border-zinc-600 peer-checked:bg-brand-yellow"></div>
-                  </label>
-                </div>
-              </div>
-
               <div className="pt-4 flex items-center justify-end border-t border-zinc-100 dark:border-zinc-800 mt-6 transition-colors">
                 <button
                   type="button"
diff --git a/src/services/activityService.ts b/src/services/activityService.ts
new file mode 100644
index 0000000..1baf2da
--- /dev/null
+++ b/src/services/activityService.ts
@@ -0,0 +1,23 @@
+import { API_URL, apiFetch, getHeaders } from './apiClient';
+
+export interface ActivityEvent {
+  id: string;
+  type: 'success' | 'info' | 'warning' | 'error';
+  title: string;
+  message: string;
+  link?: string | null;
+  created_at: string;
+}
+
+export const getActivityEvents = async (): Promise<ActivityEvent[]> => {
+  try {
+    const response = await apiFetch(`${API_URL}/activity`, {
+      headers: getHeaders()
+    });
+    if (!response.ok) throw new Error('Failed to fetch activity');
+    return await response.json();
+  } catch (error) {
+    console.error("API Error (getActivityEvents):", error);
+    return [];
+  }
+};
diff --git a/src/services/dataService.ts b/src/services/dataService.ts
index bd56e27..011c15e 100644
--- a/src/services/dataService.ts
+++ b/src/services/dataService.ts
@@ -1,9 +1,9 @@
 export * from './apiClient';
+export * from './activityService';
 export * from './attendancesService';
 export * from './authService';
 export * from './funnelsService';
 export * from './integrationsService';
-export * from './notificationsService';
 export * from './originsService';
 export * from './teamsService';
 export * from './tenantsService';
diff --git a/src/services/notificationsService.ts b/src/services/notificationsService.ts
deleted file mode 100644
index 63bcec3..0000000
--- a/src/services/notificationsService.ts
+++ /dev/null
@@ -1,66 +0,0 @@
-import { API_URL, apiFetch, getHeaders } from './apiClient';
-
-export const getNotifications = async (): Promise<any[]> => {
-  try {
-    const response = await apiFetch(`${API_URL}/notifications`, {
-      headers: getHeaders()
-    });
-    if (!response.ok) throw new Error('Failed to fetch notifications');
-    return await response.json();
-  } catch (error) {
-    console.error("API Error (getNotifications):", error);
-    return [];
-  }
-};
-
-export const markNotificationAsRead = async (id: string): Promise<boolean> => {
-  try {
-    const response = await apiFetch(`${API_URL}/notifications/${id}`, {
-      method: 'PUT',
-      headers: getHeaders()
-    });
-    return response.ok;
-  } catch (error) {
-    console.error("API Error (markNotificationAsRead):", error);
-    return false;
-  }
-};
-
-export const markAllNotificationsAsRead = async (): Promise<boolean> => {
-  try {
-    const response = await apiFetch(`${API_URL}/notifications/read-all`, {
-      method: 'PUT',
-      headers: getHeaders()
-    });
-    return response.ok;
-  } catch (error) {
-    console.error("API Error (markAllNotificationsAsRead):", error);
-    return false;
-  }
-};
-
-export const deleteNotification = async (id: string): Promise<boolean> => {
-  try {
-    const response = await apiFetch(`${API_URL}/notifications/${id}`, {
-      method: 'DELETE',
-      headers: getHeaders()
-    });
-    return response.ok;
-  } catch (error) {
-    console.error("API Error (deleteNotification):", error);
-    return false;
-  }
-};
-
-export const clearAllNotifications = async (): Promise<boolean> => {
-  try {
-    const response = await apiFetch(`${API_URL}/notifications/clear-all`, {
-      method: 'DELETE',
-      headers: getHeaders()
-    });
-    return response.ok;
-  } catch (error) {
-    console.error("API Error (clearAllNotifications):", error);
-    return false;
-  }
-};
diff --git a/src/types.ts b/src/types.ts
index ddd785f..a2faf6e 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -49,7 +49,6 @@ export interface User {
   team_id: string;
   bio?: string;
   status: 'active' | 'inactive';
-  sound_enabled?: boolean;
 }
 
 export interface Attendance {