Delete row sig_61e889f95982 from signals

id sig_61e889f95982
event_id evt_d4361d2deb0c
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_f5decdcf5 ...
dedupe_key signal_enriched:news_delta:d322992930da2d0b
throttle_s 0
created_at 2026-04-20T11:31:01.427951+00:00
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