feat: rebrand Dashboard + mobile nav + filtrar leads com lembrete futuro

- Renomear "Plan EAL" para "Dashboard Descomplicar" (header + footer)
- Adicionar menu hamburger mobile com navegacao Dashboard/Monitor
- Excluir leads com lembrete futuro da seccao "Contactar" (NOT EXISTS tblreminders)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

api/services/dashboard.ts

@@ -123,6 +123,10 @@ export async function getContactarLeads() {
         OR (SELECT MAX(date) FROM tbllead_activity_log WHERE leadid = l.id) < DATE_SUB(CURDATE(), INTERVAL 60 DAY)
       ))
     )
+      AND NOT EXISTS (
+        SELECT 1 FROM tblreminders r
+        WHERE r.rel_id = l.id AND r.rel_type = 'lead' AND r.date > NOW() AND r.isnotified = 0
+      )
     ORDER BY l.dateadded DESC
   `)
   return rows