fix(opentelemetry): fix stringified internal errors in logs

[EmrysMyrddin]

related to GW-21

[Copilot]

Pull Request Overview

This PR addresses the issue of stringified internal errors in OpenTelemetry logs by updating the instrumentation code to use a dedicated diagnostic logger and a global error handler.

• Updated the OpenTelemetry plugin to use a child diagnostic logger (diagLogger) for internal logging.
• Introduced a global error handler to log uncaught internal errors using diagLogger.
• Updated the changeset file to describe the patch.

Reviewed Changes

Copilot reviewed 3 out of 4 changed files in this pull request and generated no comments.

File	Description
packages/plugins/opentelemetry/src/plugin.ts	Refactored logging to use a dedicated diagnostic logger and added global error handler for proper error logging
.changeset/pretty-ducks-raise.md	Updated changeset description

Files not reviewed (1)

• packages/plugins/opentelemetry/package.json: Language not supported

Comments suppressed due to low confidence (1)

packages/plugins/opentelemetry/src/plugin.ts:216

• [nitpick] Consider using a more descriptive name for the diagnostic logger (for example, 'OpenTelemetryDiag') to align it with the plugin's naming conventions.

const diagLogger = pluginLogger.child('OtelDiag');

[theguild-bot]

🚀 Snapshot Release (alpha)

The latest changes of this PR are available as alpha on npm (based on the declared changesets):

Package	Version	Info
@graphql-hive/gateway	1.13.5-alpha-97fcec630f4715632b3db5e9498ee859fbb078ab	npm ↗︎ unpkg ↗︎
@graphql-hive/nestjs	1.0.9-alpha-97fcec630f4715632b3db5e9498ee859fbb078ab	npm ↗︎ unpkg ↗︎
@graphql-mesh/plugin-opentelemetry	1.3.53-alpha-97fcec630f4715632b3db5e9498ee859fbb078ab	npm ↗︎ unpkg ↗︎

[theguild-bot]

🚀 Snapshot Release (Binary for Linux-X64)

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[theguild-bot]

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[theguild-bot]

🚀 Snapshot Release (Node Docker Image)

The latest changes of this PR are available as image on GitHub Container Registry (based on the declared changesets):

ghcr.io/graphql-hive/gateway:1.13.5-alpha-97fcec630f4715632b3db5e9498ee859fbb078ab

[theguild-bot]

🚀 Snapshot Release (Binary for Linux-ARM64)

The latest changes of this PR are available for download (based on the declared changesets).

[theguild-bot]

🚀 Snapshot Release (Bun Docker Image)

The latest changes of this PR are available as image on GitHub Container Registry (based on the declared changesets):

ghcr.io/graphql-hive/gateway:1.13.5-alpha-97fcec630f4715632b3db5e9498ee859fbb078ab-bun

[theguild-bot]

🚀 Snapshot Release (Binary for macOS-X64)

The latest changes of this PR are available for download (based on the declared changesets).

[theguild-bot]

🚀 Snapshot Release (Binary for Windows-X64)

The latest changes of this PR are available for download (based on the declared changesets).