feat(conversation): replicate in-place user message editing (TODO 03)

scripts/rea/probe-open-target-conversation-20261017.json

@@ -0,0 +1,15 @@
+{
+  "include_fonts": false,
+  "include_message_content": true,
+  "track_selectors": [
+    ".cr-self-bubble",
+    ".cr-frame--right",
+    ".cr-toolbar"
+  ],
+  "actions": [
+    { "kind": "click", "step_id": "open-first-space-task", "selector": ".conversation-item", "index": 0, "frames": 0 },
+    { "kind": "wait", "step_id": "conversation-loaded", "duration_ms": 1500, "frames": 1 },
+    { "kind": "hover", "step_id": "hover-user-message", "selector": ".cr-self-bubble", "index": 0, "frames": 1 },
+    { "kind": "wait", "step_id": "toolbar-visible", "duration_ms": 400, "frames": 1 }
+  ]
+}