RECORDINGS
Triage finds the failure window and says where to look: one publisher, the whole graph, or the clock. The window becomes a replay fixture that guards the fix on every future change.
EVIDENCE
/cmd_vel dropout
2 Aug 2026 · silent for 6.05 s
triage: single publisher
12 sof stimulus: the failure window only
120messages on one topic
4.5 KBin git, beside the code it guards
FAILbug back in: odom_holds_rate
PASSfix in: Humble and Jazzy
The guards you already have were written for the failures you already had.The /cmd_vel publisher stopped for 6.05 s. The existing guards stayed green. The new fixture did not.
Triagesplashdown triage · three failure classes
Stats, slice, assert, queryoffline · ≤ 300 s · ≤ 10,000 messages
Fixtures and replaysplashdown fixture · splashdown replay
Managed recordingflightops record · retention · pins
Playback lanesevery topic and gap, one timeline · key 8
Reproduction packageshashed, offline bundles · flightops handoff
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