Suggested fixes

[jaredmauch]

• CODE QUALITY: Major RuboCop fixes across the codebase
  • Added frozen string literal comments
  • Fixed indentation and spacing issues
  • Standardized string literals (single quotes)
  • Improved method parameter formatting
  • Fixed hash syntax and alignment
  • Enhanced error handling and rescue clauses
  • Added proper documentation comments
  • Fixed code style and layout issues
  • Improved code readability and maintainability
• FIX: Improved thread safety and management in core system
• FIX: Added proper database transaction handling
• FIX: Fixed SQL injection vulnerability in up_since? method
• FIX: Added comprehensive error handling and logging
• FIX: Fixed database connection pool configuration
• FEATURE: Added configurable database reset option
• FEATURE: Added automatic database vacuum after purge
• DOCS: Added comprehensive code documentation
• DOCS: Added method parameter and return type documentation