Release v0.20.0

[0.20.0] - 2026-02-20

Added

• Enhanced tech-debt detection (#20): Expanded from 2 to 5 detection dimensions with language-aware thresholds.
  • Long method/function detection: >80 lines (MEDIUM), >150 lines (HIGH)
  • Too many top-level functions: >15 functions per file (MEDIUM)
  • High import coupling: >8 internal/relative imports (MEDIUM)
  • Language-aware file size thresholds: Compact languages (Python/TS/JS: 800/1500/2500) vs verbose languages (PHP/Java/Go: 1500/2500/5000)
  • 3-tier file size detection: medium_file/large_file/super_large_file
  • 2-tier God Class detection: warning at >20 methods (MEDIUM), critical at >50 (CRITICAL)
  • 25 new tests, 55 total tech-debt tests

Changed

• SmartWriter refactored into modular writers/ package: core.py, detailed_generator.py, navigation_generator.py, overview_generator.py, utils.py. Original smart_writer.py reduced from 864 to thin re-export wrapper.
• FileSizeClassifier thresholds lowered: super_large 5000→2500, large 2000→1500, medium added at 800 lines.