feat: add verbose request tracing and structured API error responses.#2007

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zhang-minchao wants to merge 10 commits into

xLLM-AI:mainfrom

zhang-minchao:feat/verbose_error_trace_id

Commits on Jul 23, 2026

feat: add async verbose request-trace logging with unified error responses.
zhang-minchao
committed
bugfix: fix review findings in verbose trace and error response paths.
zhang-minchao
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feat: add http status code to all verbose trace events.
zhang-minchao
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refactor: improve api_service accessor consistency and echo x-request-id in response header.
zhang-minchao
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bugfix: fix stopping_checker_test link failure due to circular dependency.
zhang-minchao
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bugfix: fix link and compile errors after rebase onto latest main.
zhang-minchao
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fix(api): improve structured error handling
zhang-minchao
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fix(api): preserve async error semantics
zhang-minchao
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fix(api): avoid streaming metric use-after-free
zhang-minchao
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bugfix: isolate verbose trace files by rank.
zhang-minchao
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