Basic Logging Functionality

[terryso]

Goal

Add optional simple logging functionality for debugging and usage tracking.

Description

Implement basic logging that can be enabled via environment variable:

• Record usage history and recovery times
• Help with debugging issues
• Automatic log rotation to prevent oversized files
• Optional and non-intrusive

Implementation

• Enable/disable via environment variable
• Simple text-based log format
• Log rotation mechanism
• Configurable log file location

Acceptance Criteria

• Add optional logging via CLAUDE_AUTO_RESUME_LOG_FILE
• Log usage sessions and recovery times
• Implement log rotation (size-based)
• Include timestamp and session info
• Add debug-level logging option
• Ensure logging doesn't impact performance
• Document logging format and options

Priority: Medium

Effort: 1 day

Phase: 2 - Feature Extensions