Delete row sig_9ad1dcd8f4ae from signals

id sig_9ad1dcd8f4ae
event_id evt_2408ba62bcfd
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_bcac0c7f9 ...
dedupe_key signal_enriched:news_delta:ee80e9d38d195dc2
throttle_s 0
created_at 2026-04-17T18:26:52.118099+00:00
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