feat(ai): OpenTelemetry middleware#500

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AlemTuzlak wants to merge 30 commits intomainfrom

feat/otel-middleware

Commits on Apr 23, 2026

chore(ai): add @opentelemetry/api as optional peer + devDep
AlemTuzlak
committed
feat(ai): scaffold otel middleware types and factory
AlemTuzlak
committed
refactor(ai): clean up scaffold voids per CR
AlemTuzlak
committed
test(ai): add fake Tracer/Meter helpers for otel middleware tests
AlemTuzlak
committed
fix(ai): restore void markers for scaffold locals tsc flags as unused
AlemTuzlak
committed
feat(ai): otel middleware emits root chat span
AlemTuzlak
committed
feat(ai): otel middleware emits per-iteration spans
AlemTuzlak
committed
feat(ai): otel middleware records token histogram and usage attrs
AlemTuzlak
committed
feat(ai): otel middleware emits tool spans
AlemTuzlak
committed
feat(ai): otel middleware records duration histogram + root rollup
AlemTuzlak
committed
feat(ai): otel middleware emits error and cancelled spans
AlemTuzlak
committed
test(ai): assert iteration span exception is recorded on onError
AlemTuzlak
committed
feat(ai): otel middleware captures gen_ai.* message events
AlemTuzlak
committed
feat(ai): otel middleware captures tool and choice events
AlemTuzlak
committed
test(ai): verify otel middleware extension points + callback resilience
AlemTuzlak
committed
test(ai): verify otel middleware concurrent isolation
AlemTuzlak
committed
docs(advanced): otel middleware page + nav + changeset
AlemTuzlak
committed
ci: apply automated fixes
autofix-ci[bot]
authored
fix(ai): finalize otel middleware — span kinds, error-path onSpanEnd, docs
AlemTuzlak
committed
ci: apply automated fixes
autofix-ci[bot]
authored
test(ai): hygiene cleanup on otel middleware tests
AlemTuzlak
committed
ci: apply automated fixes
autofix-ci[bot]
authored

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feat(ai): OpenTelemetry middleware#500

feat(ai): OpenTelemetry middleware#500
AlemTuzlak wants to merge 30 commits intomainfrom
feat/otel-middleware

Commits on Apr 23, 2026

chore(ai): add @opentelemetry/api as optional peer + devDep

feat(ai): scaffold otel middleware types and factory

refactor(ai): clean up scaffold voids per CR

test(ai): add fake Tracer/Meter helpers for otel middleware tests

fix(ai): restore void markers for scaffold locals tsc flags as unused

feat(ai): otel middleware emits root chat span

feat(ai): otel middleware emits per-iteration spans

feat(ai): otel middleware records token histogram and usage attrs

feat(ai): otel middleware emits tool spans

feat(ai): otel middleware records duration histogram + root rollup

feat(ai): otel middleware emits error and cancelled spans

test(ai): assert iteration span exception is recorded on onError

feat(ai): otel middleware captures gen_ai.* message events

feat(ai): otel middleware captures tool and choice events

test(ai): verify otel middleware extension points + callback resilience

test(ai): verify otel middleware concurrent isolation

docs(advanced): otel middleware page + nav + changeset

ci: apply automated fixes

fix(ai): finalize otel middleware — span kinds, error-path onSpanEnd, docs

ci: apply automated fixes

test(ai): hygiene cleanup on otel middleware tests

ci: apply automated fixes

Commits on Apr 24, 2026

Merge branch 'main' into feat/otel-middleware

fix(ai): address otel-middleware review feedback

fix(ai): address second CodeRabbit review pass on otel middleware

ci(ai): ignore @opentelemetry/api in knip for the ai workspace

Commits on May 4, 2026

feat(ai): emit GenAI semconv attributes on otel spans for PostHog compatibility

ci: apply automated fixes

feat(ai): emit Langfuse-native input/output attributes on otel spans

ci: apply automated fixes