Delete row sig_8bb17fdea04c from signals

id sig_8bb17fdea04c
event_id evt_b6d475ea1265
watcher_id NULL
signal_type opportunity_artifact
value {"artifact_id":"artf_thesis_595f3c70c9 ...
threshold NULL
direction NULL
severity NULL
window NULL
source opportunity
reason_trace {"_evidence_event_ids":["evt_d440591c3 ...
dedupe_key opportunity_artifact:artf_thesis_595f3c70c9a4c357
throttle_s 0
created_at 2026-04-17T06:42:17.191097+00:00
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