YuJitang
d02f762ab0
feat: refine token usage display modes (#2329)
* feat: refine token usage display modes
* docs: clarify token usage accounting semantics
* fix: avoid duplicate subtask debug keys
* style: format token usage tests
* chore: address token attribution review feedback
* Update test_token_usage_middleware.py
* Update test_token_usage_middleware.py
* chore: simplify token attribution fallback
* fix token usage metadata follow-up handling
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Co-authored-by: Willem Jiang <willem.jiang@gmail.com>