v0.0.31 - Clean public release

- Updated to v0.0.31 with GUI startup warning fix
- Updated jackify-engine for improved compatibility
- Removed development-only files from public repo
- Added LICENSE and CONTRIBUTING.md for professional release
- Professional public repository ready for alpha release

jackify/shared/ui_utils.py

@@ -3,6 +3,52 @@ UI Utilities for Jackify
 Shared UI components and utilities used across frontend interfaces
 """
 
+import os
+import sys
+
+def clear_screen():
+    """
+    Clear the terminal screen with AppImage compatibility.
+    
+    This function provides robust screen clearing that works in various environments
+    including AppImage containers where standard terminal utilities might not work properly.
+    """
+    try:
+        # Method 1: Try standard os.system approach first
+        if os.name == 'nt':
+            # Windows
+            result = os.system('cls')
+        else:
+            # Unix/Linux - try clear command
+            result = os.system('clear')
+        
+        # If os.system failed (non-zero return), try fallback methods
+        if result != 0:
+            _clear_screen_fallback()
+            
+    except Exception:
+        # If os.system completely fails, use fallback
+        _clear_screen_fallback()
+
+def _clear_screen_fallback():
+    """
+    Fallback screen clearing methods for environments where os.system doesn't work.
+    This is particularly useful in AppImage environments.
+    """
+    try:
+        # Method 2: ANSI escape sequences (works in most terminals)
+        # \033[H moves cursor to home position (0,0)
+        # \033[2J clears entire screen
+        # \033[3J clears scroll buffer (optional, not all terminals support)
+        print('\033[H\033[2J\033[3J', end='', flush=True)
+    except Exception:
+        try:
+            # Method 3: Alternative ANSI sequence
+            print('\033c', end='', flush=True)  # Full terminal reset
+        except Exception:
+            # Method 4: Last resort - print enough newlines to "clear" screen
+            print('\n' * 50)
+
 def print_jackify_banner():
     """Print the Jackify application banner"""
     print("""