Delete row sig_42ae77491c7e from signals

id sig_42ae77491c7e
event_id evt_05e35ff6686c
watcher_id NULL
signal_type technical_indicator_signal
value {"bars":380,"confidence":0.5790970 ...
threshold NULL
direction NULL
severity medium
window NULL
source technical_analyzer
reason_trace {"cutoff_iso":"2026-04-05T20:05:09Z ...
dedupe_key ta:technical_indicator_signal:priceAboveEma12:ema_ ...
throttle_s 0
created_at 2026-04-08T20:05:09.377597+00:00
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