feat: add environment variable support to CLI and backend metadata

- Update CLI to use configurable app name and version from settings
- Make backend package metadata configurable via environment variables
- Add CONTACT_EMAIL environment variable support
- Ensure consistent branding across CLI, API, and web interface

backend/__init__.py

@@ -11,9 +11,11 @@ The backend is designed to be modular and can be used both as a standalone
 library and as part of the web application.
 """
 
-__version__ = "1.1.0"
+import os
+
+__version__ = os.getenv("APP_VERSION", "1.1.0")
 __author__ = "UnitForge Team"
-__email__ = "contact@unitforge.dev"
+__email__ = os.getenv("CONTACT_EMAIL", "contact@unitforge.dev")
 
 # Package metadata
 __all__ = [