feat(ui-flow): IPC handler for set-channel-mute-duration

Co-authored-by: Cursor <[email protected]>

index.js

@@ -741,6 +741,11 @@ async function dispatchUiMessage (platform, msg, hooks = {}) {
     pushState()
     return true
   }
+  if (t === 'set-channel-mute-duration') {
+    await platform.setChannelMuteDuration(msg.channelId, msg.durationMs ?? 0)
+    pushState()
+    return true
+  }
   if (t === 'archive-thread') {
     await platform.archiveThread(msg.threadId, msg.archived !== false)
     pushState()