Delete row sig_3ae4f2cf7667 from signals

id sig_3ae4f2cf7667
event_id evt_f3f45bceee44
watcher_id NULL
signal_type opportunity_case_memory
value {"case_id":"case_02ed2e92828c98f5" ...
threshold NULL
direction NULL
severity low
window NULL
source opportunity_finder
reason_trace {"_evidence_event_ids":["evt_417a2584c ...
dedupe_key opportunity_case_memory:case_02ed2e92828c98f5:moni ...
throttle_s 3600
created_at 2026-04-06T17:02:29.110676+00:00
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