fixes and modelgen insert

tools/modelgen/loader/extract/__init__.py

@@ -0,0 +1,20 @@
+"""
+Extractors - Extract model definitions from existing codebases.
+
+Supported frameworks:
+- Django: Extract from Django ORM models
+- SQLAlchemy: Extract from SQLAlchemy models (planned)
+- Prisma: Extract from Prisma schema (planned)
+"""
+
+from typing import Dict, Type
+
+from .base import BaseExtractor
+from .django import DjangoExtractor
+
+# Registry of available extractors
+EXTRACTORS: Dict[str, Type[BaseExtractor]] = {
+    "django": DjangoExtractor,
+}
+
+__all__ = ["BaseExtractor", "DjangoExtractor", "EXTRACTORS"]