test(web): refresh aria goldens for message IconActions and clocks

Settled history now exposes user/assistant chrome (including date-aware
clocks) in the accessibility tree; collapse clocks via scaffold and update
keyless scenario goldens.

apps/web/tests/snapshots/steering/settled.expected.md

@@ -5,7 +5,7 @@
     - tab "Chat" [selected]
     - tab "Trajectory"
     - tab "Waterfall"
-- text: Use the ask_user_question tool to ask me exactly one question with id "checkpoint", question "Ready to continue?", header "Checkpoint", and options labeled "Yes" and "No". After I answer, reply with one short sentence acknowledging my answer and stop.
+- text: Use the ask_user_question tool to ask me exactly one question with id "checkpoint", question "Ready to continue?", header "Checkpoint", and options labeled "Yes" and "No". After I answer, reply with one short sentence acknowledging my answer and stop. {{clock}}
 - button "复制":
   - img
 - button "在新对话中分支":
@@ -16,6 +16,11 @@
   - img
   - img
   - text: Think The user wants me to use the ask_user_question tool to ask them a specific question with the given parameters. Let me do exactly that.
+- button "复制":
+  - img
+- button "在新对话中分支":
+  - img
+- text: {{clock}}
 - button:
   - img
   - img
@@ -25,7 +30,11 @@
   - img
   - text: Think The user selected "Yes" and wants me to include the word "BANANA" in my final reply. Let me acknowledge their answer.
 - paragraph: Great, let's move forward. BANANA!
-- text: cache hit 98% · 15,967 tokens · 1 turns · 2 steps
+- button "复制":
+  - img
+- button "在新对话中分支":
+  - img
+- text: {{clock}} cache hit 98% · 15,967 tokens · 1 turns · 2 steps
 - textbox "Message the agent"
 - button "Add attachment":
   - img