- Updated all 150+ :tangle headers across harness/ and skills/ to use elisp (expand-file-name) to target INSTALL_DIR dynamically.
- Cleaned up environment/ directory depth by moving memory-image.lisp to state/.
- Moved test scripts to tests/ and deleted redundant chat scripts.
- Add command history with ↑↓ arrow navigation
- Add multi-line input support (Shift+Enter)
- Add UI chrome: borders, help bar, status bar
- Add slash commands: /help, /exit, /clear
- Style messages with emoji prefixes (🤔💬🔧✅)
- Format incoming messages with format-incoming function
- Fix input rendering with conditional bold attributes
