Added a refresh assets button to audio UI to detect audio asset again. Usefull after download an asset or putting a file manually.

public/scripts/extensions/audio/index.js

@@ -563,6 +563,17 @@ jQuery(async () => {
 
     $("#audio_bgm_cooldown").on("input", onBGMCooldownInput);
 
+    // Reset assets container, will be redected like if ST restarted
+    $("#audio_refresh_assets").on("click", function(){
+        console.debug(DEBUG_PREFIX,"Refreshing audio assets");
+        fallback_BGMS = null;
+        ambients = null;
+        characterMusics = {};
+        currentCharacterBGM = null;
+        currentExpressionBGM = null;
+        currentBackground = null;
+    })
+
     // DBG
     $("#audio_debug").on("click", function () {
         if ($("#audio_debug").is(':checked')) {

public/scripts/extensions/audio/style.css

@@ -14,4 +14,9 @@
 
 .audio-mute-button-muted {
     color: red;
+}
+
+#audio_refresh_assets {
+    width: 50px;
+    height: 30px;
 }

public/scripts/extensions/audio/window.html

@@ -16,6 +16,12 @@
                         <small>Debug</small>
                     </label>
                 </div>
+                <div>
+                    <label for="audio_refresh_assets">Refresh assets</label>
+                    <div id="audio_refresh_assets" class="menu_button">
+                        <i class="fa-solid fa-refresh fa-lg"></i>
+                    </div>
+                </div>
             </div>
             <div>
                 <div>

server.js

@@ -5070,13 +5070,13 @@ app.post('/asset_download', jsonParser, async (request, response) => {
     const url = request.body.url;
     const inputCategory = request.body.category;
     const inputFilename = sanitize(request.body.filename);
-    const validCategories = ["bgm", "ambient"]
+    const validCategories = ["bgm", "ambient"];
 
     // Check category
-    let category = null
+    let category = null;
     for (i of validCategories)
         if (i == inputCategory)
-            category = i
+            category = i;
 
     if (category === null) {
         console.debug("Bad request: unsuported asset category.");