Delete row sig_4099f05d605f from signals

id sig_4099f05d605f
event_id evt_0a4f63ae2954
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_ea380793f ...
dedupe_key signal_enriched:news_delta:12df3300b895688f
throttle_s 0
created_at 2026-04-16T07:39:07.016454+00:00
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