Delete row sig_b6068543aeb6 from signals

id sig_b6068543aeb6
event_id evt_57aa4fc2024e
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_551f985ba ...
dedupe_key signal_enriched:news_delta:a5099e1ad54db92f
throttle_s 0
created_at 2026-04-10T17:15:06.449588+00:00
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