diff --git a/models.py b/models.py
new file mode 100644
index 0000000..622d4d9
--- /dev/null
+++ b/models.py
@@ -0,0 +1,26 @@
+from sqlalchemy import create_engine, Column, Integer, String, Float, DateTime, ForeignKey, Text
+from sqlalchemy.orm import declarative_base, relationship
+
+Base = declarative_base()
+
+class Bundle(Base):
+    __tablename__ = 'bundles'
+    id = Column(Integer, primary_key=True)
+    machine_name = Column(String, unique=True)
+    human_name = Column(String)
+    current_version_id = Column(Integer, ForeignKey('bundle_versions.id'))
+    current_version = relationship("BundleVersion", uselist=False, foreign_keys=[current_version_id], post_update=True)
+    versions = relationship("BundleVersion", back_populates="bundle", foreign_keys=lambda: [BundleVersion.bundle_id])
+    sales_history = relationship("BundleSalesHistory", back_populates="bundle")
+    items = relationship("BundleItem", back_populates="bundle")
+
+class BundleVersion(Base):
+    __tablename__ = 'bundle_versions'
+    id = Column(Integer, primary_key=True)
+    bundle_id = Column(Integer, ForeignKey('bundles.id'))
+    version_hash = Column(String)
+    version_data = Column(Text)
+    timestamp = Column(DateTime)
+    bundle = relationship("Bundle", back_populates="versions", foreign_keys=[bundle_id])
+
+# ... weitere Modelle (BundleSalesHistory, BundleItem, ...)
diff --git a/reset_db.py b/reset_db.py
index 52b398a..da5c340 100644
--- a/reset_db.py
+++ b/reset_db.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 from sqlalchemy import create_engine
-from bundle_checker import Base  # Importiere die Base-Klasse aus deinem Hauptskript
+from models import Base  # Jetzt importierst du Base aus dem separaten Modul
 
 def reset_database():
     engine = create_engine('sqlite:///bundles.db')