feat(web): surface and configure composer steering

apps/web/tests/snapshots/queue-actions/editing.expected.md

@@ -23,7 +23,7 @@
       - img
     - button "Remove queued message":
       - img
-    - button "插话发送":
+    - button "Steer queued message":
       - img
   - listitem:
     - textbox "Edit queued message": Edited queue item

apps/web/tests/snapshots/queue-actions/preserved.expected.md

@@ -33,6 +33,8 @@
       - img
     - button "Remove queued message":
       - img
+    - button "Steer queued message":
+      - img
 - textbox "Message the agent"
 - button "Commands":
   - img

apps/web/tests/snapshots/settings-chrome/dialog.expected.md

@@ -28,3 +28,7 @@
   - button "跟随系统" [pressed]:
     - img
     - text: 跟随系统
+  - text: 繁忙时 Enter 键行为 仅在智能体运行时生效；Cmd/Ctrl+Enter 使用另一行为
+  - button "排队发送":
+    - text: 排队发送
+    - img

apps/web/tests/snapshots/steering/mid-steer.expected.md

@@ -23,6 +23,7 @@
   - img
   - text: Ask question waiting
 - status: Deep diving...
+- text: "Interjection: include the word BANANA in your final reply."
 - region "Ready to continue?":
   - text: Checkpoint
   - heading "Ready to continue?" [level=2]