Delete row sig_8a2d652556ff from signals

id sig_8a2d652556ff
event_id evt_1db9fe02e1f8
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_f993a5d6b ...
dedupe_key signal_enriched:news_delta:79e1d1e1f50f4ce0
throttle_s 0
created_at 2026-04-21T07:00:36.837791+00:00
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