Delete row sig_ae452727e8c2 from signals

id sig_ae452727e8c2
event_id evt_016ef5dd48d6
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_6b5c19d16 ...
dedupe_key signal_enriched:news_delta:ac0ba7d2342691d9
throttle_s 0
created_at 2026-04-20T07:58:10.622835+00:00
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