Delete row sig_2bd2dde0137a from signals

id sig_2bd2dde0137a
event_id evt_407428e4bdb8
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_ed2bbd9c6 ...
dedupe_key signal_enriched:news_delta:b75b6b3359583c3c
throttle_s 0
created_at 2026-04-20T11:15:52.215454+00:00
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