Delete row sig_20a844f7f1e6 from signals

id sig_20a844f7f1e6
event_id evt_5986ed359db7
watcher_id NULL
signal_type technical_indicator_signal
value {"bars":600,"confidence":0.6610191 ...
threshold NULL
direction NULL
severity medium
window NULL
source technical_analyzer
reason_trace {"cutoff_iso":"2026-03-31T20:45:40Z ...
dedupe_key ta:technical_indicator_signal:emaCrossUp:ema_signa ...
throttle_s 0
created_at 2026-04-03T20:45:40.097443+00:00
Cancel