Implement Database Transactions and Error Handling

[atoosanasiri]

Description

Implement database transactions for complex operations and comprehensive error handling.

Tasks

• Identify operations requiring transactions
• Implement transaction wrappers
• Add rollback handling
• Implement database error handling
• Create error logging and monitoring

Acceptance Criteria

• Transactions implemented for critical operations
• Rollback tested and working
• Error handling comprehensive
• Error logging implemented
• Error monitoring set up