chore(tests): prune obsolete probes and define truthful offline test gates

scripts/rea/probe-todo11-restore-light.json

@@ -1,8 +0,0 @@
-{
-  "include_fonts": false,
-  "include_message_content": false,
-  "track_selectors": [],
-  "actions": [
-    { "kind": "click", "step_id": "restore-light-theme", "selector": ".appearance-card--light", "index": 0, "frames": 0 }
-  ]
-}