Add repeatable admin notification sounds

public/admin.html

@@ -159,8 +159,11 @@
                   <option value="soft">Jemny</option>
                   <option value="chime">Cinknuti</option>
                   <option value="urgent">Vyrazny</option>
+                  <option value="tap">Kratke tuknuti</option>
+                  <option value="double">Dvojite upozorneni</option>
                 </select>
               </label>
+              <label class="setting-switch">Opakovat do otevreni chatu <input id="adminSoundRepeat" type="checkbox"></label>
               <button id="adminSoundTest" type="button">Otestovat zvuk</button>
             </div>
           </section>

public/admin.js

@@ -12,8 +12,10 @@ const state = {
   soundMuted: localStorage.getItem("mf_admin_sound_muted") === "1",
   soundVolume: Number(localStorage.getItem("mf_admin_sound_volume") || 70),
   soundStyle: localStorage.getItem("mf_admin_sound_style") || "bright",
+  soundRepeat: localStorage.getItem("mf_admin_sound_repeat") === "1",
   replyFiles: [],
   attentionTimer: null,
+  soundRepeatTimer: null,
   attentionOn: false,
   originalTitle: document.title,
   originalFavicon: document.querySelector("link[rel='icon']")?.href || "/favicon.svg"
@@ -68,6 +70,12 @@ $("#adminSoundStyle").addEventListener("change", (event) => {
   localStorage.setItem("mf_admin_sound_style", state.soundStyle);
   renderAdminSoundControls();
 });
+$("#adminSoundRepeat").addEventListener("change", (event) => {
+  state.soundRepeat = event.target.checked;
+  localStorage.setItem("mf_admin_sound_repeat", state.soundRepeat ? "1" : "0");
+  if (!state.soundRepeat) stopRepeatingSound();
+  renderAdminSoundControls();
+});
 $("#adminSoundTest").addEventListener("click", () => {
   playNotifySound({ ignoreMuted: true });
 });
@@ -804,6 +812,7 @@ async function saveSite(patch) {
 function notify() {
   startAttention();
   playNotifySound();
+  startRepeatingSound();
 }
 
 function renderAdminSoundControls() {
@@ -812,6 +821,7 @@ function renderAdminSoundControls() {
   const settingsToggle = $("#adminSoundToggleSettings");
   const settingsVolume = $("#adminSoundVolumeSettings");
   const settingsStyle = $("#adminSoundStyle");
+  const settingsRepeat = $("#adminSoundRepeat");
   const safeVolume = clamp(state.soundVolume, 0, 100);
   if (toggle) {
     toggle.classList.toggle("muted", state.soundMuted || safeVolume <= 0);
@@ -825,6 +835,7 @@ function renderAdminSoundControls() {
   if (settingsToggle) settingsToggle.checked = !state.soundMuted;
   if (settingsVolume) settingsVolume.value = String(safeVolume);
   if (settingsStyle) settingsStyle.value = state.soundStyle;
+  if (settingsRepeat) settingsRepeat.checked = state.soundRepeat;
 }
 
 function setAdminSoundMuted(isMuted) {
@@ -832,6 +843,7 @@ function setAdminSoundMuted(isMuted) {
   if (!state.soundMuted && state.soundVolume <= 0) state.soundVolume = 70;
   localStorage.setItem("mf_admin_sound_muted", state.soundMuted ? "1" : "0");
   localStorage.setItem("mf_admin_sound_volume", String(state.soundVolume));
+  if (state.soundMuted) stopRepeatingSound();
   renderAdminSoundControls();
 }
 
@@ -840,6 +852,7 @@ function setAdminSoundVolume(value) {
   state.soundMuted = state.soundVolume <= 0;
   localStorage.setItem("mf_admin_sound_volume", String(state.soundVolume));
   localStorage.setItem("mf_admin_sound_muted", state.soundMuted ? "1" : "0");
+  if (state.soundMuted) stopRepeatingSound();
   renderAdminSoundControls();
 }
 
@@ -863,8 +876,28 @@ function playNotifySound(options = {}) {
   setTimeout(() => audio.close().catch(() => {}), 720);
 }
 
+function startRepeatingSound() {
+  if (!state.soundRepeat || state.soundRepeatTimer || state.soundMuted || clamp(state.soundVolume, 0, 100) <= 0) return;
+  state.soundRepeatTimer = setInterval(() => {
+    playNotifySound();
+  }, 5500);
+}
+
+function stopRepeatingSound() {
+  if (state.soundRepeatTimer) clearInterval(state.soundRepeatTimer);
+  state.soundRepeatTimer = null;
+}
+
 function soundPattern(style) {
   const patterns = {
+    tap: [
+      { offset: 0, duration: 0.08, frequency: 720, type: "sine" }
+    ],
+    double: [
+      { offset: 0, duration: 0.09, frequency: 760, type: "sine" },
+      { offset: 0.12, duration: 0.09, frequency: 760, type: "sine" },
+      { offset: 0.28, duration: 0.1, frequency: 980, type: "triangle" }
+    ],
     soft: [
       { offset: 0, duration: 0.13, frequency: 520, type: "sine" },
       { offset: 0.16, duration: 0.12, frequency: 680, type: "sine" }
@@ -905,6 +938,7 @@ function startAttention() {
 function stopAttention() {
   if (state.attentionTimer) clearInterval(state.attentionTimer);
   state.attentionTimer = null;
+  stopRepeatingSound();
   state.attentionOn = false;
   document.title = state.originalTitle;
   const favicon = document.querySelector("link[rel='icon']");