Delete row sig_c2a48376d503 from signals

id sig_c2a48376d503
event_id evt_d0172c6c6648
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_3ddac1209 ...
dedupe_key signal_enriched:news_delta:3cb07a58d4b823f8
throttle_s 0
created_at 2026-04-19T20:09:58.271909+00:00
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