docs(claude-code): add token usage tracking to Langfuse hook#2623
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iamjjanga-ouo wants to merge 1 commit intolangfuse:mainfrom
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docs(claude-code): add token usage tracking to Langfuse hook#2623iamjjanga-ouo wants to merge 1 commit intolangfuse:mainfrom
iamjjanga-ouo wants to merge 1 commit intolangfuse:mainfrom
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Adds get_usage/aggregate_usage helpers and passes usage_details to Langfuse generation spans, enabling input/output/cache token tracking. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
get_usagehelper to extract token usage from assistant messages in the Claude Code transcriptaggregate_usagehelper to sum token usage across multiple assistant messages in a turnusage_details(input, output, cache_creation_input_tokens, cache_read_input_tokens) to the Langfuse generation span inemit_turnThis enables token-level cost tracking in Langfuse when using the Claude Code hook integration.