feat: senha dinamica (dia+mes) + confirm no limpar com try-catch

src/index.html

@@ -543,7 +543,8 @@
       <div class="cfg-section">
         <div class="cfg-section-title">🔐 Senha Admin (editar dias anteriores)</div>
         <div style="display:flex;gap:6px;margin-top:4px">
-          <input type="password" id="cfg-admin-password" style="flex:1;padding:6px;border:1px solid #ddd;border-radius:4px;font-size:13px" placeholder="Deixe em branco se não quiser senha">
+          <input type="password" id="cfg-admin-password" style="flex:1;padding:6px;border:1px solid #ddd;border-radius:4px;font-size:13px" placeholder="Senha fixa (ou deixe em branco)">
+          <input type="password" id="cfg-dynamic-password" style="flex:1;padding:6px;border:1px solid #ddd;border-radius:4px;font-size:13px" placeholder="Dinâmica: 10+dia+mes (ex: 1217)">
         </div>
       </div>
     </div>
@@ -1233,6 +1234,7 @@ function loadConfig() {
 }
 function saveConfig() {
   config.admin_password = document.getElementById('cfg-admin-password').value.trim();
+  config.dynamic_password = document.getElementById('cfg-dynamic-password').value.trim();
   try { localStorage.setItem(CFG_KEY, JSON.stringify(config)); } catch(e) {}
   buildDatalists();
 }
@@ -1246,6 +1248,7 @@ function openConfig() {
   renderCfgList('clientes', 'cfg-clientes-list');
   renderCfgList('vales_nomes', 'cfg-vales-list');
   document.getElementById('cfg-admin-password').value = config.admin_password || '';
+  document.getElementById('cfg-dynamic-password').value = config.dynamic_password || '';
 }
 function closeConfig() { document.getElementById('modal-config').classList.remove('open'); }
 function renderCfgList(key, containerId) {
@@ -2102,7 +2105,9 @@ document.getElementById('btn-recibo').addEventListener('click', async () => {
 });
 
 document.getElementById('btn-limpar').addEventListener('click', () => {
+  try {
     if (!confirm('Tem certeza? Irá apagar todas as informações para iniciar uma nova.')) return;
+  } catch(e) { return; }
   localStorage.removeItem(LS_KEY);
   estado = {
     uuid: crypto.randomUUID ? crypto.randomUUID() : Date.now().toString(),
@@ -2645,16 +2650,26 @@ window.toggleEditConsulta = async function() {
   closeRelatorioModal();
 };
 
-// Pede senha admin — retorna Promise<boolean>
+// Calcula senha dinâmica do dia: dia e mês como 2 dígitos cada, concatenados
+// ex: 17/12 → "1712"
+function getDynamicPw() {
+  const d = new Date();
+  const day = String(d.getDate()).padStart(2, '0');
+  const month = String(d.getMonth() + 1).padStart(2, '0');
+  return day + month;
+}
+
 function askPassword() {
   return new Promise(resolve => {
-    const pw = config.admin_password;
+    const fixedPw = config.admin_password;
+    const dynPw = getDynamicPw();
     const overlay = document.createElement('div');
     overlay.style.cssText = 'position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);z-index:999999;display:flex;align-items:center;justify-content:center;';
     overlay.id = 'pw-modal';
     overlay.innerHTML = `
       <div style="background:#fff;border-radius:10px;padding:24px;width:300px;text-align:center">
         <div style="font-size:18px;margin-bottom:16px">🔐 Senha Admin</div>
+        <div style="font-size:11px;color:#888;margin-bottom:12px">Dinâmica hoje: <strong>${getDynamicPw()}</strong></div>
         <input type="password" id="pw-input" placeholder="Digite a senha..." style="width:100%;padding:10px;font-size:14px;border:1px solid #ccc;border-radius:6px;box-sizing:border-box;margin-bottom:12px" />
         <div id="pw-error" style="color:#c0272d;font-size:12px;margin-bottom:8px;display:none">Senha incorreta</div>
         <div style="display:flex;gap:8px;justify-content:center">
@@ -2673,7 +2688,7 @@ function askPassword() {
     inp.addEventListener('keydown', e => { if (e.key === 'Enter') document.getElementById('pw-ok-btn').click(); });
     document.getElementById('pw-ok-btn').addEventListener('click', () => {
       const val = document.getElementById('pw-input').value;
-      if (val === pw) {
+      if (val === fixedPw || val === dynPw) {
         document.getElementById('pw-modal').remove();
         resolve(true);
       } else {