Merge dev to main - SSE refactoring & UI improvements

[chriswritescode-dev]

Summary

• Simplify question prompt Other option handling and increase max height to 70vh
• Refactor SSE directory management with reference counting and improve message invalidation
• Remove unused test variables and configure ESLint for test files
• Use structured logging instead of console in archive service
• Remove unused variables from routes and migrations

Files Changed

• 14 files modified: +144/-137 lines
• Backend: ESLint config, migrations, SSE management, service improvements
• Frontend: QuestionPrompt component, SSE hook and manager updates
• Tests: Removed unused variables and improved test configuration

Testing

All tests passing with 80%+ coverage maintained