Delete row sig_6bc72a102541 from signals

id sig_6bc72a102541
event_id evt_f798d60068e3
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_d1b15cefb ...
dedupe_key signal_enriched:news_delta:0397bbb440615933
throttle_s 0
created_at 2026-04-22T14:18:39.834359+00:00
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