feat(telemetry): add stable session identifier headers#4574

Merged

gh-worker-dd-mergequeue-cf854d[bot] merged 15 commits into

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ayan.khan/stable-session-id-headers

Mar 20, 2026

Commits on Mar 20, 2026

feat(telemetry): add stable session identifier headers

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chore: remove parent session ID (optional per spec)

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test: add cross-process root session ID propagation test

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feat(contrib/os): add InjectSessionEnv for exec session propagation

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fix: resolve CI lint failures in contrib/os/exec_test.go

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refactor: auto-propagate DD_ROOT_GO_SESSION_ID via os.Setenv in init

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revert: undo unintended changes to supported_configurations.json

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fix: add nolint:forbidigo for internal DD_ROOT_GO_SESSION_ID env var

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refactor: rename to _DD_ROOT_GO_SESSION_ID and clean up comments

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Strengthen session ID header test assertions

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Replace init() with newConfig() helper for session ID setup

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Extract _DD_ROOT_GO_SESSION_ID into rootSessionIDEnvVar constant

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Extract rootSessionID logic into getRootSessionID() helper

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Remove unnecessary nolint:forbidigo on os.Setenv

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Trim noisy comments in globalconfig

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