feat(admin): show username instead of userId in logs table

[rekabytes]

📝 Description

Brief description of what this PR does.

🔗 Related Issue

Fixes #(issue number)

🏷️ Type of Change

• 🐛 Bug fix (non-breaking change that fixes an issue)
• ✨ New feature (non-breaking change that adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to not work as expected)
• 📚 Documentation update
• 🧹 Code refactoring (no functional changes)
• 🧪 Test update (adding or updating tests)

✅ Checklist

• I have read the Contributing Guidelines
• My branch is created from dev (not main)
• I have run pnpm lint:fix
• I have run pnpm typecheck
• I have tested my changes locally
• My code follows the project's coding standards
• I have updated documentation (if applicable)

📸 Screenshots (if applicable)

Add screenshots to help explain your changes.

🧪 How to Test

Steps to test this PR:

1. ...
2. ...
3. ...

📝 Additional Notes

Any additional information reviewers should know.

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Project	Deployment	Actions	Updated (UTC)
kal-admin	Building	Preview, Comment	Apr 7, 2026 9:06am
kal-frontend	Building	Preview, Comment	Apr 7, 2026 9:06am