Delete row sig_f91e1cfb78d6 from signals

id sig_f91e1cfb78d6
event_id evt_bab814ea53a4
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_ed5f389e3 ...
dedupe_key signal_enriched:news_delta:ed4cc939ab2509ab
throttle_s 0
created_at 2026-04-18T16:34:30.174290+00:00
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