Add structured logging redaction for PII in app/lib/logger.ts

[greatest0fallt1me]

Description

This is a backend issue. app/lib/logger.ts logs request bodies that may contain Stellar memo PII. Add a redaction layer that masks emails, phone numbers, and long base32 strings except first/last 4.

Requirements and Context

• Redaction in serializer
• Tests with sample payloads
• Allowlist for explicit log fields
• 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 bug/logger-pii-redaction

2. Implement changes
   • app/lib/logger.ts
   • app/lib/privacy.ts
3. Test and commit
   • npm test -- logger privacy
   • Include test output and notes in the PR

Example commit message

fix: redact PII in structured logs

Acceptance Criteria

• PII masked
• Tests cover patterns
• No perf regression

Guidelines

• Allowlist over denylist
• Clear documentation and inline comments
• Timeframe: 96 hours

[frankrichard99]

@frankrichard99 has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

I would like to work on this issue

ℹ️ Repo Maintainers: To accept this application, review their application or assign @frankrichard99 to this issue.

[drips-wave]

Congratulations, @frankrichard99! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 30, 2026.

🧑‍💻 @frankrichard99: 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

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[SHEROSE0]

@SHEROSE0 has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hello Maintainer,
I’m interested in working on this issue if it can be assigned to me. I’ve reviewed the description and I understand the requirements clearly. I’m confident I can complete it efficiently and reliably.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @SHEROSE0 to this issue.

[samueloyibodevv]

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

Hello @maintainer, I’ve gone through the requirements and I’m confident I can implement a proper solution that matches the acceptance criteria. Kindly assign this issue to me. And I will deliver at the shortest possible time.

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

[paulpeter32-coder]

@paulpeter32-coder has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hi maintainer I'm a fullstack developer and I would love to work on this issue

ℹ️ Repo Maintainers: To accept this application, review their application or assign @paulpeter32-coder to this issue.

[grantfox-oss]

🦊 GrantFox — @SHEROSE0 has been assigned to this issue as part of the Official Campaign campaign!

Next steps:

1. Open a Pull Request referencing this issue (e.g., Closes #420)
2. Your PR will be reviewed by the Streampay-Org maintainers

Good luck! Track your progress on GrantFox.