feat(ui-flow): composer focus after settings IPC updates

Phase 598 parity — autofocus message composer after update-user-prefs
and update-guild-settings when a guild text channel is active.

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

README.md

@@ -2,6 +2,8 @@
 
 Pearcord desktop UI IPC dispatch and automated flow scenarios for Bare smokes. Mirrors `apps/pearcord` pear-pipe message handling.
 
+**v0.8.561 (Phase 598):** `update-user-prefs` and `update-guild-settings` emit `composer-focus-channel` in guild mode when `activeChannelId` is set. Bundle: `npm run test:phase598-settings` (app repo).
+
 **v0.8.560 (Phase 597):** `select-guild` emits `composer-focus-channel` in guild mode when `activeChannelId` is set (matching join-invite guild switch behavior). Bundle: `npm run test:phase597-session` (app repo).
 
 **v0.8.559 (Phase 596):** `create-guild` emits `composer-focus-channel` in guild mode when `activeChannelId` is set (matching existing `join-invite` behavior). Bundle: `npm run test:phase596-onboarding` (app repo).

index.js

@@ -901,6 +901,12 @@ async function dispatchUiMessage (platform, msg, hooks = {}) {
       nsfwGateEnabled: msg.nsfwGateEnabled
     })
     pushState()
+    if (platform.activeChannelId && platform.mode === 'guild') {
+      send({
+        type: 'composer-focus-channel',
+        channelId: platform.activeChannelId
+      })
+    }
     return true
   }
   if (t === 'set-guild-icon-image') {
@@ -1836,6 +1842,12 @@ async function dispatchUiMessage (platform, msg, hooks = {}) {
   if (t === 'update-user-prefs') {
     await platform.updateUserPrefs(msg.prefs || {})
     pushState()
+    if (platform.activeChannelId && platform.mode === 'guild') {
+      send({
+        type: 'composer-focus-channel',
+        channelId: platform.activeChannelId
+      })
+    }
     return true
   }
   if (t === 'create-channel-webhook') {