session-observability changedmanaged-agents/session-observability
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1010 betaHeader: managed-agents-2026-04-01
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13Use the session viewer in the Claude Console to inspect what an agent did in a session, without writing any code. Use the session's `usage` totals to see what that work consumed.
13Use the session viewer in the Claude Console to inspect what an agent did in a session, without writing any code. Use the session's `usage` (java, php; csharp, go: `Usage`) totals to see what that work consumed.
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1515## Inspect a session in the Console
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8484### Read usage from the stream
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86You don't have to poll the session to observe these totals. The `session.usage` event carries the same cumulative snapshot on the session stream and in the event history. The snapshot holds the `usage` object plus the session's `budget`, which is `null` when the session has none.
86You don't have to poll the session to observe these totals. The `session.usage` event carries the same cumulative snapshot on the session stream and in the event history. The snapshot holds the `usage` (java, php; csharp, go: `Usage`) object plus the session's `budget` (java, php; csharp, go: `Budget`), which is `null` when the session has none.
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8888The event is emitted on idle transitions rather than on a timer:
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