feat(composer): replicate WorkBuddy branch label and context usage (TODO 21)

scripts/rea/probe-todo21-discovery.json

@@ -0,0 +1,8 @@
+{
+  "include_fonts": false,
+  "include_message_content": false,
+  "track_selectors": [".cr-input-container"],
+  "actions": [
+    { "kind": "wait", "step_id": "settle", "duration_ms": 400, "frames": 1 }
+  ]
+}