include acoustID in settings page. foundation for verification flow

web_server.py

@@ -2329,7 +2329,7 @@ def handle_settings():
             if 'active_media_server' in new_settings:
                 config_manager.set_active_media_server(new_settings['active_media_server'])
 
-            for service in ['spotify', 'plex', 'jellyfin', 'navidrome', 'soulseek', 'download_source', 'settings', 'database', 'metadata_enhancement', 'file_organization', 'playlist_sync', 'tidal', 'listenbrainz']:
+            for service in ['spotify', 'plex', 'jellyfin', 'navidrome', 'soulseek', 'download_source', 'settings', 'database', 'metadata_enhancement', 'file_organization', 'playlist_sync', 'tidal', 'listenbrainz', 'acoustid']:
                 if service in new_settings:
                     for key, value in new_settings[service].items():
                         config_manager.set(f'{service}.{key}', value)

webui/index.html

@@ -2618,6 +2618,26 @@
                                     </div>
                                 </div>
 
+                                <!-- AcoustID Settings -->
+                                <div class="api-service-frame">
+                                    <h4 class="service-title acoustid-title">AcoustID</h4>
+                                    <div class="form-group">
+                                        <label>API Key:</label>
+                                        <input type="password" id="acoustid-api-key"
+                                            placeholder="AcoustID API Key (Optional)">
+                                    </div>
+                                    <div class="callback-info">
+                                        <div class="callback-help">Get your free API key from <a
+                                                href="https://acoustid.org/new-application" target="_blank"
+                                                style="color: #ba55d3;">AcoustID Applications</a></div>
+                                        <div class="callback-help"
+                                            style="opacity: 0.7; font-size: 0.85em; margin-top: 4px;">
+                                            Optional: Enables audio fingerprint verification of downloads. If not
+                                            provided, verification is skipped.
+                                        </div>
+                                    </div>
+                                </div>
+
                                 <!-- Test Connection Buttons -->
                                 <div class="api-test-buttons">
                                     <button class="test-button" onclick="testConnection('spotify')">Test

webui/static/script.js

@@ -1677,6 +1677,9 @@ async function loadSettingsData() {
         // Populate ListenBrainz settings
         document.getElementById('listenbrainz-token').value = settings.listenbrainz?.token || '';
 
+        // Populate AcoustID settings
+        document.getElementById('acoustid-api-key').value = settings.acoustid?.api_key || '';
+
         // Populate Download settings (right column)
         document.getElementById('download-path').value = settings.soulseek?.download_path || './downloads';
         document.getElementById('transfer-path').value = settings.soulseek?.transfer_path || './Transfer';
@@ -2075,6 +2078,9 @@ async function saveSettings() {
         listenbrainz: {
             token: document.getElementById('listenbrainz-token').value
         },
+        acoustid: {
+            api_key: document.getElementById('acoustid-api-key').value
+        },
         download_source: {
             mode: document.getElementById('download-source-mode').value,
             hybrid_primary: document.getElementById('hybrid-primary-source').value,

webui/static/style.css

@@ -1106,6 +1106,10 @@ body {
     color: #eb743b;
 }
 
+.acoustid-title {
+    color: #ba55d3;
+}
+
 /* Server Toggle Buttons */
 .server-toggle-container {
     display: flex;