All platform-specific paths and commands replaced with Linux equivalents:
- .git_path: Use system git instead of /Library/Developer/CommandLineTools
- start_server.sh: Use hostname -I instead of ipconfig
- AI_RULES.md line 18: Remove macOS path mandate
- PROJECT_ARCHITECTURE.md Section 7.5: Document Linux native approach
- SESSION_STATE.md: Update git binary reference
Ready for Ubuntu development, Docker testing, and standalone deployment.
- Upgraded color palette with enhanced contrast (5.2:1 to 15:1 ratios)
- Replaced all text-slate-* utilities with semantic color tokens
- Added Fira Code + Fira Sans typography stack
- Converted CSS variables from SCSS to direct hex values
- Updated 26 components with improved color semantics
- Added cursor-pointer and focus states (accessibility phase 1)
- Added aria-labels to 35+ icon-only buttons
- Added prefers-reduced-motion support in globals.css
WCAG AA compliance verified across all text color combinations.
Fixes invisible text issues (slate-500 4.2:1 → muted 5.2:1).
