Delete row sig_9582ec517530 from signals

id sig_9582ec517530
event_id evt_c66a8f71925d
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_3913619b5 ...
dedupe_key signal_enriched:news_delta:92655c27ce5a7a22
throttle_s 0
created_at 2026-04-10T13:59:13.807115+00:00
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