Delete row sig_4c9f8a5d6f43 from signals

id sig_4c9f8a5d6f43
event_id evt_eafe939888a9
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_b5aaf658d ...
dedupe_key signal_enriched:news_delta:ea0dd5f4590cfa3c
throttle_s 0
created_at 2026-04-09T17:20:48.647766+00:00
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