📣 borb v3.0.3

Features:

• Improved PDF reading engine: better error handling and more resilient parsing.
• Optimized import graph: cleaned up imports for better maintainability and slightly reduced footprint.
• Extensive type-checking / typing cleanup across modules: many commits focused on improving type hints, catching edge cases, and satisfying mypy.
• New self_truncating_heterogeneous_paragraph implementation (and associated caching fixes): improves how paragraphs compute line breaks.
• Improved calendar / view UI elements (DayView, WeekView, CalendarView): better default argument handling, docstrings, and bug fixes.
• Refactored table_of_contents routines: fixed static methods and default mutable arguments.
• Adjustments to list layout: correct margin handling between bullets and content.
• Byte-offset recalculation in cross-reference visitor: increases robustness when reading complex PDFs.
• Documentation enhancements: added or improved docstrings in several areas, especially in layout- and calendar-related code.

These release notes were AI-generated based on the borb commit history, and while care was taken to interpret the changes accurately, they may still contain errors or omissions.