fix: resolve CI import and type mismatch issues

src/cli/options.py

@@ -3,6 +3,8 @@
 from enum import Enum
 from typing import Optional
 
+from ..core.models import SeverityLevel
+
 
 class OutputFormat(Enum):
     """Output format options."""
@@ -12,15 +14,6 @@ class OutputFormat(Enum):
     MARKDOWN = "markdown"
 
 
-class SeverityLevel(Enum):
-    """Severity levels for issues."""
-
-    LOW = "low"
-    MEDIUM = "medium"
-    HIGH = "high"
-    CRITICAL = "critical"
-
-
 class LanguageType(Enum):
     """Supported programming languages."""