Extract audit magic strings into a constants module

[mikewheeleer]

Name audit strings

Description

audit uses repeated inline string literals (keys, codes). This issue centralizes them.

Requirements and context

• Repository scope: Talenttrust/Talenttrust-Backend only.
• Move the audit literal strings into a constants module and reference them.
• Behaviour identical; no string value changes.
• Tests pass.

Suggested execution

• Fork the repo and create a branch
• git checkout -b refactor/audit-61-strconsts
• Implement changes
  • Write code in: the relevant module.
  • Write comprehensive tests in: cover the new behaviour and edge cases.
• Test and commit

Test and commit

• Run npm run lint, npm test, and npm run build.
• Cover edge cases: values unchanged, tests pass.
• Include the full test output in the PR description.

Example commit message

refactor(audit): extract string constants

Guidelines

• Minimum 95 percent test coverage for impacted modules.
• Clear, reviewer-focused documentation.
• Timeframe: 96 hours.

Community & contribution rewards

• 💬 Join the TalentTrust community on Discord: https://discord.gg/WqnGpcPx
• ⭐ This is a GrantFox OSS / Official Campaign task and may be rewarded. When your PR is merged you'll be prompted to rate the project — a 5-star rating is much appreciated.

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@mikewheeleer This issue could not be added to the Stellar Wave Program because the per-repo points budget would be exceeded (25000 / 25000 points already used). The label has been automatically removed.

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