feat(channels): select channel and composer focus after create-channel (v0.8.420)

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

README.md

@@ -114,6 +114,8 @@ After `create-thread`, `create-forum-post`, `mark-all-notifications-read`, or `o
 
 ```javascript
 send({ type: 'composer-focus-channel', channelId: thread.id })
+
+**v0.8.420 (Phase 457):** `create-channel` selects the new channel and emits `composer-focus-channel` (see [CHANNELS.md](../../docs/CHANNELS.md)).
 // mark-all: channelId = platform.activeChannelId
 // open-notification: channelId = result.channelId || msg.channelId || platform.activeChannelId
 ```

index.js

@@ -965,11 +965,13 @@ async function dispatchUiMessage (platform, msg, hooks = {}) {
     return true
   }
   if (t === 'create-channel') {
-    await platform.createChannel({
+    const channel = await platform.createChannel({
       name: msg.name,
       type: msg.channelType,
       parentId: msg.parentId
     })
+    await platform.selectChannel(channel.id)
+    send({ type: 'composer-focus-channel', channelId: channel.id })
     pushState()
     return true
   }