Delete row sig_9552cf02abda from signals

id sig_9552cf02abda
event_id evt_d63796ffe4b0
watcher_id NULL
signal_type conversation_followup_escalated
value 1.0
threshold NULL
direction NULL
severity NULL
window NULL
source episode_router
reason_trace {"_evidence_event_ids":["evt_c4d2be9a8 ...
dedupe_key signal:conversation_followup_escalated:slkthr_d41f ...
throttle_s 0
created_at 2026-04-08T19:31:34.296206+00:00
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