Completed Improvements

1. Repository Discovery Robustness
Enhanced is_git_repository() with comprehensive validation
Added bare repository detection (git rev-parse --is-bare-repository)
Added worktree validation (git rev-parse --is-inside-work-tree)
Improved symbolic link and permission handling
Added recursive repository scanning with multi_repo_recursive configuration
2. Error Handling & Validation
Added _validate_git_directory() for comprehensive repository validation
Added _is_bare_repository() for proper bare repository detection
Added _validate_repository_access() for permission and accessibility checks
Implemented graceful error handling with detailed error messages
Added comprehensive try-catch blocks around all git operations
3. Repository Path Validation
Added _sanitize_filename() for safe output directory naming
Enhanced path validation with proper permission checks
Improved handling of special characters and spaces in paths
Added validation for output directory creation permissions
4. Progress Tracking & Reporting
Enhanced verbose output with detailed processing information
Added progress indicators showing current repository being processed
Improved timing information for performance analysis
Added memory usage tracking with _get_memory_usage()
Created comprehensive multi-repo summary reports
5. Configuration Options
Added multi_repo_recursive boolean configuration for recursive scanning
Enhanced configuration parsing with proper type validation
Added configuration validation to prevent invalid options
Improved boolean configuration parsing (fixed parsing order issue)
6. Resource Management
Added memory usage monitoring and reporting
Implemented proper resource cleanup
Added timeout handling for long-running operations
Optimized performance for large multi-repo scans
✅ Testing & Validation
The improvements were thoroughly tested with:

Help Documentation Test - ✅ Passed

Basic Multi-Repo Test - ✅ Passed

Recursive Multi-Repo Test - ✅ Passed

Configuration Validation Test - ✅ Passed

Properly rejected invalid configuration options
Correctly validated boolean values
Error Handling Test - ✅ Passed

Fixed boolean configuration parsing bug during testing
Verified graceful error recovery
✅ Key Robust Features
Multi-layer Validation: Every repository goes through multiple validation layers
Graceful Degradation: Invalid repositories are skipped with detailed logging
Comprehensive Error Reporting: Clear error messages with context
Resource Monitoring: Memory and performance tracking
Configuration Flexibility: Extensible configuration system
Progress Transparency: Detailed progress reporting for user feedback
✅ Output Quality
The enhanced multi-repo functionality generates:

Individual HTML reports for each valid repository
Comprehensive PDF reports with proper formatting
Multi-repository summary HTML with processing statistics
Detailed processing logs with timing and resource information
✅ Performance & Reliability
Robustness: Handles edge cases, permissions, and invalid repositories gracefully
Performance: Optimized scanning with recursive options and memory monitoring
Reliability: Comprehensive error handling prevents crashes on problematic repositories
User Experience: Clear progress indication and detailed error messages