lots of progress on input processing

app/models.py

@@ -0,0 +1,21 @@
+from app import db
+from sqlalchemy.dialects.postgresql import UUID
+import uuid
+
+class User(db.Model):
+    __tablename__ = 'users'
+    id = db.Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    email = db.Column(db.String(255), unique=True, nullable=False)
+    # Placeholders for Milestone 1
+    password_hash = db.Column(db.LargeBinary) 
+    imap_config = db.Column(db.JSON) # Using db.JSON instead of db.JSONB for compatibility
+
+class Folder(db.Model):
+    __tablename__ = 'folders'
+    id = db.Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    user_id = db.Column(UUID(as_uuid=True), db.ForeignKey('users.id'), nullable=False)
+    name = db.Column(db.String(255), nullable=False)
+    rule_text = db.Column(db.Text)
+    priority = db.Column(db.Integer)
+    
+    user = db.relationship('User', backref=db.backref('folders', lazy=True))