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        <title>WhatsApp Webhook Receiver - ws.airtexts.com</title>
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        <h1>🚀 WhatsApp Webhook Receiver</h1>
        <p><strong>ws.airtexts.com</strong> - Servidor Intermediário</p>
        
                <div class="status info">
            🔧 <strong>Modo Desenvolvimento Ativo</strong> - Debug habilitado
        </div>
                
        <div class="status success">
            ✅ Servidor funcionando corretamente
        </div>
        
        <h2>📡 Endpoints Disponíveis</h2>
        
        <div class="endpoint">
            <strong>POST /</strong> - Receber webhooks do sistema WhatsApp
        </div>
        
        <div class="endpoint">
            <strong>GET /?qr=SESSION_ID</strong> - Visualizar QR Code de uma sessão
        </div>
        
        <div class="endpoint">
            <strong>GET /?list</strong> - Listar todas as sessões com QR Codes
        </div>
        
                <div class="endpoint">
            <strong>GET /?debug</strong> - 🔧 Informações de debug (desenvolvimento)
        </div>
        
        <div class="endpoint">
            <strong>GET /?test</strong> - 🧪 Testar webhook (desenvolvimento)
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        <h2>📋 Eventos Processados</h2>
        <ul>
            <li><strong>qr_generated</strong> - QR Code gerado (salvo automaticamente)</li>
            <li><strong>connected</strong> - Sessão conectada</li>
            <li><strong>disconnected</strong> - Sessão desconectada</li>
            <li><strong>message_received</strong> - Mensagem recebida (com auto-reply)</li>
            <li><strong>contacts_updated</strong> - Contatos atualizados</li>
            <li><strong>groups_updated</strong> - Grupos atualizados</li>
        </ul>
        
        <h2>📊 Status do Sistema</h2>
        <div class="info">
            <strong>Timestamp:</strong> 2026-11-05T10:42:08+00:00<br>
            <strong>PHP Version:</strong> 8.3.6<br>
            <strong>Log File:</strong> logs/webhook_events.log<br>
            <strong>QR Directory:</strong> qr_codes/        </div>
        
        <h2>📝 Exemplo de Webhook</h2>
        <pre>{
    "session_id": "session_user123_uuid",
    "event_type": "qr_generated",
    "event_data": {
        "qr_code": "data:image\/png;base64,iVBORw0KG..."
    },
    "timestamp": "2026-11-05T10:42:08+00:00"
}</pre>
        
        <h2>🔗 Links Úteis</h2>
        <p>
            <a href="?list">📋 Ver sessões ativas</a> | 
            <a href="logs/webhook_events.log" target="_blank">📝 Ver logs</a>
                        | <a href="?debug">🔧 Debug info</a> | 
            <a href="?test">🧪 Testar webhook</a> |
            <a href="logs/debug.log" target="_blank">🐛 Debug log</a>
                    </p>
        
        <hr>
        <p><small>WhatsApp Multi-Session API - Webhook Receiver v1.0</small></p>
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