diff --git a/web/chat.html b/web/chat.html
index 0285ab6..7cb772b 100644
--- a/web/chat.html
+++ b/web/chat.html
@@ -1652,9 +1652,9 @@ logLine('sys', 'chat content lives in encrypted SRTP audio. no IP packets carry
 })();
 </script>
 <footer style="max-width:820px;margin:2.2rem auto 0;font-size:0.65rem;color:#999;line-height:1.7;word-break:break-all;font-family:monospace">
-  <span style="color:#777">page integrity</span> &nbsp;·&nbsp; built <span class="stamp-date">2026-06-01</span><br>
-  md5 <span class="stamp-md5">f1d9169e022a422b9b2f1fa166b1da3d</span><br>
-  sha256 <span class="stamp-sha">e8af1dceb904c649a681670056c1c664c352f0e0102ffdf202d007dbb50e0182</span><br>
+  <span style="color:#777">page integrity</span> &nbsp;·&nbsp; built <span class="stamp-date">2026-06-02</span><br>
+  md5 <span class="stamp-md5">74f0583d5b47b420665b7bb923cfbd1b</span><br>
+  sha256 <span class="stamp-sha">5e06ebed815d304d9d3d4a9df270d00e0fba6a636e0c814f39346a13715b86bd</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>
   <span style="color:#bbb">one self-contained file — <strong>save a copy</strong> and verify it against these hashes; point it at your own servers with ?signal= and ?turncred=, or <a href="host-your-own.html" style="color:#999">host your own community</a></span>
 </footer>
diff --git a/web/host-your-own.html b/web/host-your-own.html
index 13b0cc3..5cd5496 100644
--- a/web/host-your-own.html
+++ b/web/host-your-own.html
@@ -440,9 +440,9 @@ handle /zebra-spaces-sfu*    { reverse_proxy localhost:8092 { flush_interval -1
 </p>
 
 <footer style="max-width:820px;margin:2.2rem auto 0;font-size:0.65rem;color:#999;line-height:1.7;word-break:break-all;font-family:monospace">
-  <span style="color:#777">page integrity</span> &nbsp;·&nbsp; built <span class="stamp-date">2026-06-01</span><br>
-  md5 <span class="stamp-md5">2d8b20ca6a7d4caceac7402f434d6bb0</span><br>
-  sha256 <span class="stamp-sha">70abdd694c78aa485d01d76fdd5e577dadce901c5aef7876ce74dadc597ece11</span><br>
+  <span style="color:#777">page integrity</span> &nbsp;·&nbsp; built <span class="stamp-date">2026-06-02</span><br>
+  md5 <span class="stamp-md5">35cea88368ac2591fb7a075c215e242d</span><br>
+  sha256 <span class="stamp-sha">9989466be3b352d495cb9dcf5b11ea721f1f24d68db90678d0570635ec191c10</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>
   <span style="color:#bbb">one self-contained file — <strong>save a copy</strong> and verify it against these hashes; point it at your own servers with ?signal= and ?turncred=</span>
 </footer>
diff --git a/web/how-it-works.html b/web/how-it-works.html
index aa5d50b..5cd4aaa 100644
--- a/web/how-it-works.html
+++ b/web/how-it-works.html
@@ -274,9 +274,9 @@
 </p>
 
 <footer style="max-width:820px;margin:2.2rem auto 0;font-size:0.65rem;color:#999;line-height:1.7;word-break:break-all;font-family:monospace">
-  <span style="color:#777">page integrity</span> &nbsp;·&nbsp; built <span class="stamp-date">2026-06-01</span><br>
-  md5 <span class="stamp-md5">d7b8cf7bb3d0de305227d877211e1c68</span><br>
-  sha256 <span class="stamp-sha">a173bbc0c29dfd8bd11c94f66e561ba31b9c1fc7534ce2032659cd0a5e43d147</span><br>
+  <span style="color:#777">page integrity</span> &nbsp;·&nbsp; built <span class="stamp-date">2026-06-02</span><br>
+  md5 <span class="stamp-md5">866696ff17414e6a79b9118d5cec1242</span><br>
+  sha256 <span class="stamp-sha">a99c9cda25bfaaa2691f62ce7c97d1ea4cd8bb36f39271db675af147598f1638</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>
   <span style="color:#bbb">one self-contained file — <strong>save a copy</strong> and verify it against these hashes; point it at your own servers with ?signal= and ?turncred=, or <a href="host-your-own.html" style="color:#999">host your own community</a></span>
 </footer>
diff --git a/web/zebra-audio.html b/web/zebra-audio.html
index a4f2c0e..212784c 100644
--- a/web/zebra-audio.html
+++ b/web/zebra-audio.html
@@ -659,9 +659,9 @@ else wirePuppet();
 </section>
 
 <footer style="max-width:560px;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">2026-06-01</span><br>
-  md5 <span class="stamp-md5">913f10bc546c13c1216bf7605a1b5afe</span><br>
-  sha256 <span class="stamp-sha">90b1c453c194824f79b77a72d5d52343baa79053894da6d2cf094c40ee4e9d48</span><br>
+  <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">71881c48a78ce9205fad6fc2921e316a</span><br>
+  sha256 <span class="stamp-sha">bdc65afcb98c2e38dfd40e4b0cd1a2b8f26af740bced1f376deb99cd6b9ec912</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>
   <span style="color:#bbb">one self-contained file — <strong>save a copy</strong> and verify it against these hashes; point it at your own servers with ?signal= and ?turncred=, or <a href="host-your-own.html" style="color:#999">host your own community</a></span>
 </footer>
diff --git a/web/zebra-spaces.html b/web/zebra-spaces.html
index eb5d5da..e3bff2b 100644
--- a/web/zebra-spaces.html
+++ b/web/zebra-spaces.html
@@ -623,14 +623,31 @@ function renderScreenTile(pubHex, stream, opts){
   if (!entry){
     const tile = document.createElement('div'); tile.className = 'screen-tile';
     const video = document.createElement('video');
-    /* local preview must be muted — playing back our own captured audio
-     * would feed back through the mic */
-    video.autoplay = true; video.playsInline = true; video.muted = local;
+    /* mobile autoplay policy refuses an unmuted <video> with audio without
+     * a user gesture — the whole element stays paused, no pixels render.
+     * Start muted on remote tiles too; an explicit unmute button below
+     * lets the user opt into audio with a click (counts as the gesture). */
+    video.autoplay = true; video.playsInline = true; video.muted = true;
     const meta = document.createElement('div'); meta.className = 'screen-meta';
     const who = document.createElement('span'); who.textContent = 'screen: '+label;
+    const ctl = document.createElement('span');
+    /* local preview never offers unmute — playing our own captured audio
+     * back would feed straight into our mic */
+    if (!local){
+      const unmute = document.createElement('button'); unmute.className = 'small';
+      unmute.textContent = 'unmute audio';
+      unmute.onclick = () => {
+        const turnOn = video.muted;
+        video.muted = !turnOn;
+        unmute.textContent = video.muted ? 'unmute audio' : 'mute audio';
+        try { video.play().catch(()=>{}); } catch(_){}
+      };
+      ctl.appendChild(unmute);
+    }
     const pop = document.createElement('button'); pop.className = 'small';
     pop.textContent = 'fullscreen'; pop.onclick = () => video.requestFullscreen && video.requestFullscreen().catch(()=>{});
-    meta.appendChild(who); meta.appendChild(pop);
+    ctl.appendChild(pop);
+    meta.appendChild(who); meta.appendChild(ctl);
     tile.appendChild(video); tile.appendChild(meta);
     $('screens').appendChild(tile);
     entry = { tile, video, label };
@@ -1581,9 +1598,9 @@ logLine('', 'ready — pick a handle, type a rendezvous code, enter the space');
 </script>
 
 <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">2026-06-01</span><br>
-  md5 <span class="stamp-md5">3b4349329d1441a1ded19fb38dee687b</span><br>
-  sha256 <span class="stamp-sha">0e6bf4dceb9230fb54fa401f532b65a8c624dcd6a04adb73eab5455e8fdeafa2</span><br>
+  <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">9f18287a705bb3427c7dd969f4dbd6e9</span><br>
+  sha256 <span class="stamp-sha">43e630fa94aa51360da0e051ea8381f9255dc80cb8f016a210565c6035663a8c</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>
   <span style="color:#bbb">one self-contained file — <strong>save a copy</strong> and verify against these hashes; point at your own servers with ?signal= and ?turncred=, or <a href="host-your-own.html" style="color:#999">host your own community</a></span>
 </footer>