chore: establish YCode replication baseline and TODO

scripts/rea/probe-my-experts-20261016.json

@@ -0,0 +1 @@
+{"actions":[{"kind":"click","step_id":"expert-tab","selector":".um-header__tabs [role=tab]","index":0,"frames":0},{"kind":"wait","step_id":"expert-tab-ready","duration_ms":350,"frames":0},{"kind":"click","step_id":"show-my-experts","selector":"button[class*='_topbarActionBtn_']","frames":0},{"kind":"wait","step_id":"my-experts-ready","duration_ms":600,"frames":1}]}