Add OpenTelemetry tracing across API + lib

[greatest0fallt1me]

Description

This is a backend issue for the GrantFox campaign. This is a backend issue for the GrantFox campaign. Add @opentelemetry/auto-instrumentations and configure exporter.

Requirements and Context

• Implement per the description
• Add focused tests
• Document any API changes
• Run the standard verification for this domain
• Must be secure, tested, and documented
• Should be efficient and easy to review

Suggested Execution

1. Fork the repo and create a branch

   git checkout -b task/otel-tracing

2. Implement changes
   • lib/otel.ts (new)
   • app/instrumentation.ts (new)
3. Test and commit
   • Run the repo's standard test suite and lint
   • Cover edge cases; include output in the PR

Example commit message

feat: add opentelemetry tracing across api + lib

Acceptance Criteria

• Implementation matches design
• Tests pass for the domain
• Code review approved
• Docs updated

Guidelines

• Minimum 90% test coverage on changed lines
• Input validation at the boundary; standardized error envelope
• Structured logging with correlation IDs
• Clear documentation and inline comments
• Timeframe: 96 hours

[ayaoba24]

@ayaoba24 has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Please assign id love to work on this

ℹ️ Repo Maintainers: To accept this application, review their application or assign @ayaoba24 to this issue.

[drips-wave]

Congratulations, @ayaoba24! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 30, 2026.

🧑‍💻 @ayaoba24: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

When opening a PR, please link it to this issue to ensure it gets tracked accurately. Points are awarded when this issue is marked as completed by the maintainer.

🤠 Repo maintainers: Please keep an eye on the contributor's progress and review their work before the due date. You can manage this issue, including adjusting its complexity and points, here.

🌊 Happy Wave 🌊