feat: Introduce Unified Layout with Enhanced Chat and Status Panels

- Added a new unified layout system that integrates chat and status panels for improved user experience.
- Implemented EnhancedChatComponent and EnhancedStatusPanel to manage chat interactions and display system information.
- Updated CMake configuration to include new source files for the unified layout, ensuring proper build setup.
- Refactored existing TUI components to support the new layout structure, enhancing modularity and maintainability.

src/cli/z3ed.cmake

@@ -48,6 +48,9 @@ add_executable(
   cli/cli_main.cc
   cli/cli.cc
   cli/tui/tui.cc
+  cli/tui/unified_layout.cc
+  cli/tui/enhanced_chat_component.cc
+  cli/tui/enhanced_status_panel.cc
   cli/handlers/compress.cc
   cli/handlers/patch.cc
   cli/handlers/tile16_transfer.cc