Token usage indicator (`ContextMeter`) whose compact ring and "42k / 200k" readout expand on hover or click into a breakdown bar of system, conversation, files and tool segments in chart colors, turning warning then critical near the limit and offering an async "Compact conversation" action; drops into PromptInput's `leadingAction` slot.
pnpm dlx shadcn@latest add "https://karaui.kamisama-v0.my.id/r/context-meter.json"