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A run is one agent session in a workspace: a goal, the turns that followed, every tool the agent called, and the changes it left behind. Runs are recorded as they happen, so nothing about a session is reconstructed after the fact. Each run opens as a tab in the workspace. Multiple runs can be open at once — see multiple sessions.

What A Run Records

The system prompt, config, and tool policy in force are snapshotted too, so an old run stays reproducible.

Reading The Transcript

Turn rail

Once a run has more than a few exchanges, a rail of ticks appears down the left edge — one per user message. It’s a map of the whole conversation, not a scrollbar: hovering a tick previews what was asked and how the answer opened, and clicking scrolls the transcript there.

Context usage ring

A circular indicator shows how much of the model’s context window the session has consumed. Hovering breaks it down. It turns amber as the auto-compact threshold approaches and red once the window is nearly full.

Usage tooltip

Each response is stamped with how long it took. Hovering that duration shows the turn’s input, output, cache-read, and cache-write tokens, plus its cost.

Run detail level

Settings → General → Run Detail controls how much of this the transcript shows — collapse tool calls and their outputs down to a summary, or expand everything.

Resuming And Forking

Fork is the ⑂ button next to a response. It starts a fresh run seeded from that point, leaving the original untouched — useful for trying a second approach without losing the first.
Fork is available for Claude, Codex, and Cursor. Copilot runs don’t support it.

Beyond A Single Run

Runs can be archived when you’re done with them — they leave the tab strip but stay queryable.