Delete row sig_00cdab7845cf from signals

id sig_00cdab7845cf
event_id evt_c500c0cb7661
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_766ddcb1d ...
dedupe_key signal_enriched:news_delta:17dacf2d8c8d3efe
throttle_s 0
created_at 2026-04-21T05:31:00.497746+00:00
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