Delete row sig_ff3211210ca7 from signals

id sig_ff3211210ca7
event_id evt_30cd0fa43a97
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_dc450c462 ...
dedupe_key signal_enriched:news_delta:62212f953e753c82
throttle_s 0
created_at 2026-04-22T12:02:08.978917+00:00
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