Delete row sig_227f199da2cf from signals

id sig_227f199da2cf
event_id evt_c78d090fefcd
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_dbb9e9272 ...
dedupe_key signal_enriched:news_delta:4e91edb53262e5b6
throttle_s 0
created_at 2026-04-11T00:04:28.436939+00:00
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