- Added complete documentation for state.js, maze.js, grid.js, sfx.js
(was: 'Already Well-Structured — No Changes')
- Removed 'Refactoring Summary' section (process-focused content)
- Restructured 'Design Decisions & Rationale' to document current architecture
rather than refactoring journey
- Updated 'AI Assistance' section to mention refactoring work in context
of overall development
- Simplified 'Files Structure' legend to remove distinction between
refactored and original modules
- All 14 modules now documented consistently with Purpose/Functions/Benefits
Result: Documentation now explains the final product cleanly without the
'something changed' narrative, while preserving context of development work.
