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

scripts/rea/probe-select-search-chinese-20261016.json

@@ -1 +0,0 @@
-{"include_fonts":false,"include_message_content":true,"track_selectors":[".wb-select-popover",".wb-select__list",".wb-select__option"],"actions":[{"kind":"text","step_id":"query-tencent-chinese","selector":".wb-select__search input","text":"腾讯","frames":0},{"kind":"wait","step_id":"query-tencent-result","duration_ms":180,"frames":1}]}