Delete row sig_3945c17c2379 from signals

id sig_3945c17c2379
event_id evt_f2388c43bd5e
watcher_id NULL
signal_type technical_indicator_signal
value {"bars":600,"confidence":0.7887301 ...
threshold NULL
direction NULL
severity high
window NULL
source technical_analyzer
reason_trace {"cutoff_iso":"2026-04-07T21:00:12Z ...
dedupe_key ta:technical_indicator_signal:bigMoveUp:big_move:A ...
throttle_s 0
created_at 2026-04-10T21:00:12.548256+00:00
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