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CodeBuddy is a Claude Code fork on the same stream-json protocol, and its adapter carried the same usage-accounting defect #8382 fixed for Claude: one response can emit several assistant events sharing a message ID and usage, and the adapter summed every one of them. A run that ends without usable final usage therefore reported inflated input and cache tokens. Count each identified main-loop response once within an execution. Keep forwarding every text and tool block, and keep the existing precedence of the result's modelUsage over result-level usage over the fallback. The fallback also stops summing the assistant output_tokens placeholder and excludes nested-agent events, matching claude.go and the documented crash recovery procedure. It recovers main-loop input/cache usage, not a full bill. Co-authored-by: J <[email protected]> Co-authored-by: multica-agent <[email protected]>