Delete row sig_610454a92f8e from signals

id sig_610454a92f8e
event_id evt_cfa598f4421a
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_00c290d22 ...
dedupe_key signal_enriched:news_delta:759572e3b0d0487b
throttle_s 0
created_at 2026-04-16T05:37:58.657900+00:00
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