Delete row sig_a6ff7dcd393c from signals

id sig_a6ff7dcd393c
event_id evt_ca4e80c18fd3
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_f9f5d5539 ...
dedupe_key signal_enriched:news_delta:d3675317efb731bc
throttle_s 0
created_at 2026-04-19T23:16:51.134823+00:00
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