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This viewer charts your Copilot and Codex coding sessions — every request, sub-agent, and compaction — so you can see where tokens and available cost metrics go. Below is a live demo session: one main agent that spawned two sub-agents. Everything here is interactive.
Each card is one session. The big band plots cumulative input tokens over time; the band below it plots per-turn input. Hover a number to locate it on the chart.
Click any card or table row to open the per-turn detail. Rows with tool calls expand; each tool expands again to its args and result. This table is live — try clicking a row: