Delete row sig_94c9132086bf from signals

id sig_94c9132086bf
event_id evt_94a40edd01d6
watcher_id NULL
signal_type discovery_options_flow_snapshot
value {"as_of":"2026-04-10T17:21:18.771125+0 ...
threshold NULL
direction NULL
severity NULL
window NULL
source discovery_rss
reason_trace {}
dedupe_key discovery_options_flow_snapshot:75d085b23f128270
throttle_s 0
created_at 2026-04-10T17:21:18.771125+00:00
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