Delete row sig_6786a80873aa from signals

id sig_6786a80873aa
event_id evt_14db02691aef
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_352cd26f9 ...
dedupe_key signal_enriched:news_delta:6143e512937701b2
throttle_s 0
created_at 2026-04-17T06:37:37.477662+00:00
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