diff --git a/.gitignore b/.gitignore
index 90fcb3c..5cc3154 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,11 @@ gcal_key.json
 ssh_alerts_config.json
 *.log
 .DS_Store
+
+# Diretório BASE: ambiente de laboratório separado, NÃO deve ir a produção
+base/
+
+# Scripts de diagnóstico temporários
+backend/test-db-users.js
+backend/test-db-users.cjs
+backend/pg-convert.js
diff --git a/backend/server.js b/backend/server.js
index 506a526..147e672 100644
--- a/backend/server.js
+++ b/backend/server.js
@@ -502,20 +502,20 @@ app.get('/api/dashboard/stats', async (req, res) => {
         // Growth data (last 6 months)
         const { rows: growth } = await pool.query(`
             SELECT 
-                TO_CHAR("dataVencimento", 'YYYY-MM') as mes,
+                TO_CHAR(datavencimento, 'YYYY-MM') as mes,
                 SUM(CASE WHEN tipo = 'RECEITA' OR tipo IS NULL THEN valor ELSE 0 END) as receita,
                 SUM(CASE WHEN tipo = 'DESPESA' THEN valor ELSE 0 END) as despesa
             FROM financeiro
-            WHERE "dataVencimento" >= CURRENT_DATE - INTERVAL '6 months'
-            GROUP BY TO_CHAR("dataVencimento", 'YYYY-MM')
+            WHERE datavencimento >= CURRENT_DATE - INTERVAL '6 months'
+            GROUP BY TO_CHAR(datavencimento, 'YYYY-MM')
             ORDER BY mes ASC
         `);
 
         // Recent appointments with patient and dentist names
         const { rows: recent } = await pool.query(`
-            SELECT a.*, d.nome as "dentistaNome" 
+            SELECT a.*, d.nome as dentistanome 
             FROM agendamentos a
-            LEFT JOIN dentistas d ON a."dentistaId" = d.id
+            LEFT JOIN dentistas d ON a.dentistaid = d.id
             ORDER BY a.start_time DESC
             LIMIT 5
         `);
@@ -544,28 +544,28 @@ app.get('/api/dashboard/stats', async (req, res) => {
 // --- NOTIFICACOES ---
 app.get('/api/notificacoes', async (req, res) => {
     try {
-        const [rows] = await pool.query('SELECT * FROM notificacoes ORDER BY data DESC LIMIT 100');
+        const { rows } = await pool.query('SELECT * FROM notificacoes ORDER BY data DESC LIMIT 100');
         res.json(rows.map(n => ({ ...n, lida: !!n.lida })));
     } catch (err) { res.status(500).json({ error: err.message }); }
 });
 
 app.post('/api/notificacoes/read-all', async (req, res) => {
     try {
-        await pool.query('UPDATE notificacoes SET lida = 1 WHERE lida = 0');
+        await pool.query('UPDATE notificacoes SET lida = true WHERE lida = false');
         res.json({ success: true });
     } catch (err) { res.status(500).json({ error: err.message }); }
 });
 
 app.delete('/api/notificacoes/:id', async (req, res) => {
     try {
-        await pool.query('DELETE FROM notificacoes WHERE id = ?', [req.params.id]);
+        await pool.query('DELETE FROM notificacoes WHERE id = $1', [req.params.id]);
         res.json({ success: true });
     } catch (err) { res.status(500).json({ error: err.message }); }
 });
 
 app.put('/api/notificacoes/:id/read', async (req, res) => {
     try {
-        await pool.query('UPDATE notificacoes SET lida = 1 WHERE id = ?', [req.params.id]);
+        await pool.query('UPDATE notificacoes SET lida = true WHERE id = $1', [req.params.id]);
         res.json({ success: true });
     } catch (err) { res.status(500).json({ error: err.message }); }
 });