feat(langchain-agents)!: emit invoke_agent, chat and execute_tool spans - #35

Merged

apucacao merged 14 commits into

ag/py-telemetry-langchain-messagesfrom

ag/py-telemetry-langchain-agents

Aug 14, 2026

Commits on Aug 14, 2026

feat(langchain-agents)!: emit invoke_agent, chat and execute_tool spans
apucacao
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7683c9d
fix(langchain-agents): an abandoned stream marks its open spans, it does not fail them
apucacao
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d087d73
fix(langchain-agents): forward capture_content from the convenience wrapper
apucacao
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06b210d
fix(langchain-agents): a callback that raises must not leave a span unreachable
apucacao
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2169a05
fix(langchain-agents): track the chat span before writing content that can raise
apucacao
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883da7b
refactor(langchain-agents): delete the OTel gate the handler no longer reads
apucacao
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b5d12ad
fix(langchain-agents): a reported zero token count is not a missing one
apucacao
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0d5e38c
fix(langchain-agents): make a successful run's total agree with its own spans
apucacao
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6333808
fix(langchain-agents): keep a turn's billed tokens when its content write fails
apucacao
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485db67
fix(langchain-agents): put the input content write inside the guard too
apucacao
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0fa4ed1
fix(langchain-agents): keep the spans of a cancelled run
apucacao
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ff53cc6
fix(langchain-agents): report a cancelled stream as cancelled, not abandoned
apucacao
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010a9ca
fix(langchain-agents): total the streaming root from the callbacks when the messages report nothing
apucacao
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6ff5a94
fix(langchain-agents): record the root completion the way the chat span does
apucacao
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1f4242b