feat(cli): forward OTLP headers to child task processes

[vjymisal0]

Summary

Child Node.js processes spawned by a task inherit the OTLP endpoint but not its exporter headers. As a result, a child process cannot configure NodeTracerProvider/OTLPTraceExporter to send spans to the current Trigger.dev run.

Preserve the optional OTEL_EXPORTER_OTLP_HEADERS value in RunnerEnv and forward it through gatherProcessEnv(), alongside the existing endpoint variables. Child processes can now use the standard OpenTelemetry environment configuration without IPC.

Test plan

• corepack pnpm exec oxlint packages/cli-v3/src/entryPoints/managed/env.ts
• corepack pnpm exec oxfmt --check packages/cli-v3/src/entryPoints/managed/env.ts
• git diff --check

The full CLI typecheck is currently blocked by pre-existing workspace generation errors (@trigger.dev/schema-to-json and @trigger.dev/database declarations).

Fixes #4766

[changeset-bot]

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Latest commit: 538a766

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[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Advanced

Run ID: 54a047cb-2894-4f32-85fe-377b56cda39f

📥 Commits

Reviewing files that changed from the base of the PR and between 3f4ac50 and 538a766.

📒 Files selected for processing (1)

• packages/cli-v3/src/entryPoints/managed/env.ts

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Walkthrough

RunnerEnv now accepts optional OTEL_EXPORTER_OTLP_HEADERS values. It exposes the value through a getter and includes defined values in the environment passed to child processes.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[github-actions]

Hi @vjymisal0, thanks for your interest in contributing!

This project requires that pull request authors are vouched, and you are not in the list of vouched users.

This PR will be closed automatically. See https://github.com/triggerdotdev/trigger.dev/blob/main/CONTRIBUTING.md for more details.

[devin-ai-integration]

Devin Review found 2 potential issues.

[devin-ai-integration]

🔍 User-facing fix lacks changeset

This deployed-task fix changes public CLI behavior without a changeset. Repository rules require release notes for user-visible package fixes.

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[devin-ai-integration]

🟥 OTLP credentials leak into logs

When OTEL_EXPORTER_OTLP_HEADERS contains credentials, rawForLogging exposes them. Controller startup logs then print the credentials and can send them upstream.

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