[TASK] Error Handling and Logging

[leeeunkoo]

📝 Task Description

Implement comprehensive error handling and logging mechanisms for all core functionalities, ensuring system reliability and traceability.

📋 Checklist

• Add error handling for all critical operations
• Log errors and significant events for debugging and monitoring
• Ensure logs are structured and easy to analyze

🔗 Related Requirements

Relates to #

📐 Implementation Guidelines

• Use tokio::sync::mpsc for error propagation between modules
• Implement logging using log or tracing crates for Rust

🧪 Testing Method

1. Simulate various error scenarios and verify error handling mechanisms.
2. Check the completeness and readability of logged information.
3. Test system behavior under high error rates.

[seunghwan-bang]

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