Add CLI module files

vibeguard/cli/theme.py

@@ -0,0 +1,41 @@
+"""VibeGuard CLI theme."""
+
+from rich.theme import Theme
+
+THEME_DARK = Theme(
+    {
+        "critical": "bold red",
+        "error": "red",
+        "warning": "yellow",
+        "info": "cyan",
+        "pattern": "magenta",
+        "file": "green",
+        "code": "dim",
+        "success": "green",
+        "summary": "bold",
+    }
+)
+
+THEME_DEFAULT = Theme(
+    {
+        "critical": "bold red",
+        "error": "red",
+        "warning": "yellow",
+        "info": "blue",
+        "pattern": "magenta",
+        "file": "green",
+        "code": "dim",
+        "success": "green",
+        "summary": "bold",
+    }
+)
+
+
+class VibeGuardTheme:
+    """Theme manager for VibeGuard output."""
+
+    @staticmethod
+    def get_theme(style: str = "default") -> Theme:
+        """Get the theme based on style name."""
+        themes = {"default": THEME_DEFAULT, "dark": THEME_DARK}
+        return themes.get(style, THEME_DEFAULT)