Delete row sig_f31f90117113 from signals

id sig_f31f90117113
event_id evt_bb2eb3ec29c5
watcher_id NULL
signal_type news_headline_delta
value {"aggregator_url":"https://news.google ...
threshold NULL
direction NULL
severity NULL
window NULL
source news_rss
reason_trace {"_evidence_event_ids":["evt_7eb59058a ...
dedupe_key signal_enriched:news_delta:13d087bfbc3ada69
throttle_s 0
created_at 2026-04-09T06:55:02.506299+00:00
Cancel