- Added `compare_with_assignments` flag to `ProgressionPathSuggestRequest` to enable comparison of proposed paths with existing slot assignments.
- Introduced `_assignment_preservation_active` function to determine if existing assignments should be preserved during path suggestions.
- Enhanced `suggest_progression_path` to handle comparison logic, including validation for minimum slot assignments required for comparison.
- Implemented `_build_progression_compare_response` to structure the response for comparison results, including slot differences and quality scores.
- Updated frontend components to support new comparison features, including handling of slot assignments and optimization comparisons.
- Bumped version to reflect the new features and improvements.
