Owner's decision: the long-form pipeline's gain on the long real recording
outweighs the spec's strict every-clip rollout rule. A stored "off" still wins.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Adds an Advanced "Skip silence in uploaded files" option (off by default
pending measurement), the vad/longForm protocol fields, the old-path
fallback when the VAD model is missing, and a plain message for files
with no speech.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>