- Extract duplicate view logic into reusable helper functions in views.py
- Move circular import from module level to method scope in models.py
- Create constants.py for centralized hardcoded values (Nepali words, placeholders)
- Simplify number_to_nepali_words function from 157 to 42 lines
- Refactor normalize_address with extracted helper functions
- Add lang_utils.py for consistent language parameter handling
- Reduce JavaScript duplication in address-chaining.js with helper functions
- Remove ~160+ lines of redundant code while preserving all logic
- All 79 tests passing, ruff linting passes