get rid of ambiguous unicode chars

app/pages/share-live.vue

@@ -39,7 +39,7 @@
             Wrong host: server sees <strong>{{ webrtcFailureReason.wrongHost.serverHostname }}</strong> but you opened this page at <strong>{{ webrtcFailureReason.wrongHost.clientHostname }}</strong>. Use the same URL on phone and server, or set MEDIASOUP_ANNOUNCED_IP.
           </p>
           <ul class="mt-2 list-inside list-disc space-y-0.5 text-kestrel-muted">
-            <li><strong>Firewall:</strong> Open UDP/TCP ports 40000–49999 on the server.</li>
+            <li><strong>Firewall:</strong> Open UDP/TCP ports 40000-49999 on the server.</li>
             <li><strong>Wrong host:</strong> Server must see the same address you use (see above or open /api/live/debug-request-host).</li>
             <li><strong>Restrictive NAT / cellular:</strong> A TURN server may be required (future enhancement).</li>
           </ul>
@@ -68,7 +68,7 @@
           v-if="sharing"
           class="absolute bottom-2 left-2 rounded bg-black/70 px-2 py-1 text-xs text-green-400"
         >
-          ● Live — you appear on the map
+          ● Live - you appear on the map
         </div>
       </div>
 
@@ -273,7 +273,7 @@ async function startSharing() {
       return
     }
 
-    // 5. Get location (continuous) — also requires HTTPS on mobile Safari
+    // 5. Get location (continuous) - also requires HTTPS on mobile Safari
     if (!navigator.geolocation) {
       setError('Geolocation not supported in this browser.')
       cleanup()