[LocalMode] A pure-CSS row of pulsing vertical bars (sinusoid-derived heights, staggered animation) that doubles as an active audio-processing indicator and an idle empty-state. Supports agent-state modes (connecting/listening/thinking/speaking), record/playback-scrub modes, and a live-volume mode that scales a
pnpm dlx shadcn@latest add "https://registry.directory/r/localmode-ai/ui/audio/waveform-activity-bars.json"