diff --git a/zebra-report/zebra-spaces.html b/zebra-report/zebra-spaces.html
index 9f75c10..8c9351a 100644
--- a/zebra-report/zebra-spaces.html
+++ b/zebra-report/zebra-spaces.html
@@ -429,7 +429,10 @@ function logLine(kind, msg){
  * Go side does with ed25519.PublicKey.
  * ================================================================== */
 const ID_KEY = 'zebra-spaces-id-v1';
-const HANDLE_KEY = 'zebra-spaces-handle-v1';
+const HANDLE_KEY     = 'zebra-spaces-handle-v1';
+const MUSIC_MODE_KEY = 'zebra-spaces-music-mode-v1';
+const MIC_DEV_KEY    = 'zebra-spaces-mic-device-v1';
+const CAM_DEV_KEY    = 'zebra-spaces-cam-device-v1';
 const VAULT_PREFIX = 'zspc-id-v1|';
 const PBKDF2_ITER = 600000;
 
@@ -578,6 +581,14 @@ $('handle').addEventListener('input', (e) => {
 await loadOrCreateIdentity();
 myHandle = localStorage.getItem(HANDLE_KEY) || '';
 $('handle').value = myHandle;
+/* preferences that should outlive a reload — music-mode toggle and the
+ * last-picked mic + camera deviceIds. They're applied here before any
+ * device enumeration / mic acquisition so the very first getUserMedia
+ * call uses the right device + constraints. */
+try { musicMode = localStorage.getItem(MUSIC_MODE_KEY) === '1'; } catch(_){}
+try { micDeviceId = localStorage.getItem(MIC_DEV_KEY) || ''; } catch(_){}
+try { cameraDeviceId = localStorage.getItem(CAM_DEV_KEY) || ''; } catch(_){}
+if ($('music-mode')) $('music-mode').checked = musicMode;
 renderIdentity();
 logLine('', 'pubkey '+myKeys.pubHex);
 
@@ -1735,6 +1746,7 @@ $('btn-camera-share').addEventListener('click', () => { sfuPublishCamera().catch
 $('btn-camera-stop').addEventListener('click', () => { sfuUnpublishCamera(); });
 $('camera-select').addEventListener('change', async (e) => {
   cameraDeviceId = e.target.value;
+  try { localStorage.setItem(CAM_DEV_KEY, cameraDeviceId); } catch(_){}
   if (sfuCameraPC){
     /* restart with the new device — getUserMedia must be re-called with
      * the new deviceId; replaceTrack on a sender from a different device
@@ -1976,10 +1988,12 @@ $('btn-mute').addEventListener('click', () => {
 });
 $('mic-select').addEventListener('change', async (e) => {
   micDeviceId = e.target.value;
+  try { localStorage.setItem(MIC_DEV_KEY, micDeviceId); } catch(_){}
   if (micStream){ try { await applyMicMode(); } catch(err){ logLine('err','input switch failed: '+err.message); await refreshMicList(); } }
 });
 $('music-mode').addEventListener('change', async (e) => {
   musicMode = e.target.checked;
+  try { localStorage.setItem(MUSIC_MODE_KEY, musicMode ? '1' : '0'); } catch(_){}
   logLine('', 'mic mode: '+(musicMode?'MUSIC':'VOICE'));
   if (micStream){ try { await applyMicMode(); } catch(err){ logLine('err','mic mode switch failed: '+err.message); } }
 });
@@ -2057,8 +2071,8 @@ logLine('', 'ready — pick a handle, type a rendezvous code, enter the space');
 
 <footer style="margin:2.2rem auto 0;font-size:0.65rem;color:#999;line-height:1.7;word-break:break-all;font-family:monospace">
   <span id="pi-seal" style="color:#777;cursor:default;user-select:none" title="">page integrity</span> &nbsp;·&nbsp; built <span class="stamp-date">2026-06-02</span><br>
-  md5 <span class="stamp-md5">6a2292078a9f6fa8c5fb156b60d670bb</span><br>
-  sha256 <span class="stamp-sha">f857a87db69a0f93a63350630b7856f851dc55ccf84b7ebed763a2a0502ca3ef</span><br>
+  md5 <span class="stamp-md5">b3dc62bb089cc56ac842287fa3ce2c7b</span><br>
+  sha256 <span class="stamp-sha">e164446240db3632db870b3f35efaf8dd5b8cbdb10b56177746bec9ba4c9fd36</span><br>
   <span style="color:#bbb">hashes are of this page with these two fields zeroed — to verify, blank them and re-hash</span><br>
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 </footer>