diff --git a/manager/components/Contracts.tsx b/manager/components/Contracts.tsx
index 811523e..5653d54 100644
--- a/manager/components/Contracts.tsx
+++ b/manager/components/Contracts.tsx
@@ -206,7 +206,7 @@ const Contracts: React.FC<ContractsProps> = ({ data, updateData }) => {
     }
   };
 
-  const handleGenerate = () => {
+  const handleGenerate = async () => {
     if (!contractToGenerate) return;
     
     const contract = contractToGenerate;
@@ -242,7 +242,13 @@ const Contracts: React.FC<ContractsProps> = ({ data, updateData }) => {
       });
     }
 
+    // 1. Salvar no JSON (manter compatibilidade)
     updateData({ payments: [...data.payments, ...newPayments] });
+
+    // 2. Fase 2: Salvar no SQL via sincronização no próximo boot
+    // Nota: Parcelas de contrato sem Asaas serão migradas pelo syncJsonToRelationalTables no próximo restart.
+    // A Fase 3 eliminará essa dependência quando o Manager ler direto do SQL.
+
     closeModal();
   };
 
diff --git a/manager/components/Finance.tsx b/manager/components/Finance.tsx
index e95c33a..18d7a05 100644
--- a/manager/components/Finance.tsx
+++ b/manager/components/Finance.tsx
@@ -742,15 +742,26 @@ const Finance: React.FC<FinanceProps> = ({ data, updateData }) => {
     setIsEditing(true);
     try {
       const targetId = paymentToEdit.asaasPaymentId || paymentToEdit.id;
+      const newValor = parseFloat(editValue.replace(',', '.'));
+      
+      // 1. Atualizar no Asaas
       const response = await fetch(`/api/cobrancas/${targetId}`, {
         method: 'PUT',
         headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({ valor: parseFloat(editValue.replace(',', '.')), vencimento: editDate })
+        body: JSON.stringify({ valor: newValor, vencimento: editDate })
       });
       const result = await response.json();
       if (response.ok) {
+        // 2. Escrita dupla: Atualizar no SQL (Fase 2)
+        fetch(`/api/admin/cobrancas/${targetId}`, {
+          method: 'PUT',
+          headers: { 'Content-Type': 'application/json' },
+          body: JSON.stringify({ valor: newValor, vencimento: editDate, amount_original: newValor })
+        }).catch(err => console.warn('[Fase2:SQL] Erro ao sincronizar edição:', err));
+
+        // 3. Atualizar no JSON (manter compatibilidade)
         updateData({
-          payments: data.payments.map(p => p.id === paymentToEdit.id ? { ...p, amount: parseFloat(editValue.replace(',', '.')), dueDate: editDate } : p)
+          payments: data.payments.map(p => p.id === paymentToEdit.id ? { ...p, amount: newValor, dueDate: editDate } : p)
         });
         showAlert('Sucesso', 'Cobrança atualizada!', 'success');
         setPaymentToEdit(null);
diff --git a/manager/server.selfhosted.js b/manager/server.selfhosted.js
index 23dac01..c4e2223 100644
--- a/manager/server.selfhosted.js
+++ b/manager/server.selfhosted.js
@@ -892,6 +892,39 @@ app.delete('/api/admin/cobrancas/:id', async (req, res) => {
   }
 });
 
+// Fase 2: Escrita dupla — Manager pode atualizar campos ricos diretamente no SQL
+app.put('/api/admin/cobrancas/:id', async (req, res) => {
+  try {
+    const { valor, vencimento, description, type, discount, installment_number, total_installments, amount_original } = req.body;
+    
+    const updates = [];
+    const values = [];
+    let paramIdx = 1;
+
+    if (valor !== undefined) { updates.push(`valor = $${paramIdx++}`); values.push(valor); }
+    if (vencimento !== undefined) { updates.push(`vencimento = $${paramIdx++}`); values.push(vencimento); }
+    if (description !== undefined) { updates.push(`description = $${paramIdx++}`); values.push(description); }
+    if (type !== undefined) { updates.push(`type = $${paramIdx++}`); values.push(type); }
+    if (discount !== undefined) { updates.push(`discount = $${paramIdx++}`); values.push(discount); }
+    if (installment_number !== undefined) { updates.push(`installment_number = $${paramIdx++}`); values.push(installment_number); }
+    if (total_installments !== undefined) { updates.push(`total_installments = $${paramIdx++}`); values.push(total_installments); }
+    if (amount_original !== undefined) { updates.push(`amount_original = $${paramIdx++}`); values.push(amount_original); }
+
+    if (updates.length === 0) return res.status(400).json({ error: 'Nenhum campo para atualizar.' });
+
+    values.push(req.params.id);
+    await pool.query(
+      `UPDATE alunos_cobrancas SET ${updates.join(', ')} WHERE asaas_payment_id = $${paramIdx}`,
+      values
+    );
+    
+    res.json({ success: true });
+  } catch(e) {
+    console.error('[Admin:Cobrancas:PUT] Erro:', e.message);
+    res.status(500).json({ error: e.message });
+  }
+});
+
 // Webhook Evolution
 app.post('/api/webhooks/evolution', (req, res) => {
   try {