Add SoulSync Standalone toggle to Settings page

Fourth server option on the Connections tab with SoulSync logo and
'Standalone' label. Config panel shows Transfer folder path and
Verify Folder button. Test connection counts audio files in the
Transfer folder. Settings save/load properly detects soulsync toggle.

web_server.py

@@ -4342,6 +4342,20 @@ def run_service_test(service, test_config):
 
             except Exception as e:
                 return False, f"Navidrome connection error: {str(e)}"
+        elif service == "soulsync":
+            transfer_path = docker_resolve_path(config_manager.get('soulseek.transfer_path', './Transfer'))
+            if os.path.isdir(transfer_path):
+                # Count audio files
+                count = 0
+                for root, dirs, files in os.walk(transfer_path):
+                    for f in files:
+                        if os.path.splitext(f)[1].lower() in ('.mp3', '.flac', '.ogg', '.opus', '.m4a', '.aac', '.wav'):
+                            count += 1
+                    if count > 100:
+                        break  # Don't count everything, just confirm files exist
+                return True, f"SoulSync standalone ready! Transfer folder: {transfer_path} ({count}+ audio files)"
+            else:
+                return False, f"Transfer folder not found: {transfer_path}"
         elif service == "soulseek":
             if soulseek_client is None:
                 return False, "Download orchestrator failed to initialize. Check server logs for startup errors."

webui/index.html

@@ -4307,6 +4307,12 @@
                                             class="server-logo">
                                         Navidrome
                                     </button>
+                                    <button class="server-toggle-btn" id="soulsync-toggle"
+                                        onclick="toggleServer('soulsync')">
+                                        <img src="/static/trans2.png" alt="SoulSync"
+                                            class="server-logo">
+                                        Standalone
+                                    </button>
                                 </div>
 
                                 <!-- Plex Settings -->
@@ -4407,6 +4413,24 @@
                                     </div>
                                 </div>
 
+                                <div class="server-config-container hidden" id="soulsync-container">
+                                    <div class="soulsync-standalone-info">
+                                        <img src="/static/trans2.png" alt="SoulSync" class="soulsync-standalone-logo">
+                                        <div class="soulsync-standalone-text">
+                                            <h4>Standalone Mode</h4>
+                                            <p>SoulSync manages your library directly without an external media server. Downloads and imports are added to the library automatically.</p>
+                                        </div>
+                                    </div>
+                                    <div class="form-group">
+                                        <label>Library Folder (Transfer Path):</label>
+                                        <input type="text" id="soulsync-transfer-path" disabled placeholder="Set in Paths section below">
+                                        <small>Files in this folder are your library. Configure the path in the Paths section.</small>
+                                    </div>
+                                    <div class="form-actions">
+                                        <button class="test-button" onclick="testConnection('soulsync')">Verify Folder</button>
+                                    </div>
+                                </div>
+
                                 <!-- Server Test Button -->
                                 <div class="server-test-section">
                                     <button class="test-button server-test-btn" onclick="testConnection('server')">Test

webui/static/script.js

@@ -6349,12 +6349,14 @@ function toggleServer(serverType) {
     document.getElementById('plex-toggle').classList.remove('active');
     document.getElementById('jellyfin-toggle').classList.remove('active');
     document.getElementById('navidrome-toggle').classList.remove('active');
-    document.getElementById(`${serverType}-toggle`).classList.add('active');
+    document.getElementById('soulsync-toggle')?.classList.remove('active');
+    document.getElementById(`${serverType}-toggle`)?.classList.add('active');
 
     // Show/hide server containers
     document.getElementById('plex-container').classList.toggle('hidden', serverType !== 'plex');
     document.getElementById('jellyfin-container').classList.toggle('hidden', serverType !== 'jellyfin');
     document.getElementById('navidrome-container').classList.toggle('hidden', serverType !== 'navidrome');
+    document.getElementById('soulsync-container')?.classList.toggle('hidden', serverType !== 'soulsync');
 
     // Load Plex music libraries when switching to Plex
     if (serverType === 'plex') {
@@ -6371,6 +6373,15 @@ function toggleServer(serverType) {
         loadNavidromeMusicFolders();
     }
 
+    // Show Transfer path for SoulSync standalone
+    if (serverType === 'soulsync') {
+        const transferInput = document.getElementById('soulsync-transfer-path');
+        const transferPathEl = document.getElementById('transfer-path');
+        if (transferInput && transferPathEl) {
+            transferInput.value = transferPathEl.value || './Transfer';
+        }
+    }
+
     // Auto-save after server toggle change
     debouncedAutoSaveSettings();
 }
@@ -7185,6 +7196,8 @@ async function saveSettings(quiet = false) {
         activeServer = 'jellyfin';
     } else if (document.getElementById('navidrome-toggle').classList.contains('active')) {
         activeServer = 'navidrome';
+    } else if (document.getElementById('soulsync-toggle')?.classList.contains('active')) {
+        activeServer = 'soulsync';
     }
 
     const settings = {

webui/static/style.css

@@ -3164,6 +3164,39 @@ body.helper-mode-active #dashboard-activity-feed:hover {
             rgba(var(--accent-light-rgb), 0.18) 100%);
 }
 
+/* SoulSync standalone info section */
+.soulsync-standalone-info {
+    display: flex;
+    gap: 14px;
+    align-items: center;
+    padding: 14px;
+    background: rgba(var(--accent-rgb), 0.04);
+    border: 1px solid rgba(var(--accent-rgb), 0.1);
+    border-radius: 10px;
+    margin-bottom: 14px;
+}
+
+.soulsync-standalone-logo {
+    width: 48px;
+    height: 48px;
+    object-fit: contain;
+    flex-shrink: 0;
+}
+
+.soulsync-standalone-text h4 {
+    margin: 0 0 4px 0;
+    font-size: 14px;
+    font-weight: 600;
+    color: rgba(255, 255, 255, 0.9);
+}
+
+.soulsync-standalone-text p {
+    margin: 0;
+    font-size: 12px;
+    color: rgba(255, 255, 255, 0.45);
+    line-height: 1.4;
+}
+
 .server-toggle-btn.active .server-logo {
     opacity: 1.0;
 }