✨ Add created_at field to User and Item models and update endpoints (#2144)

backend/app/alembic/versions/fe56fa70289e_add_created_at_to_user_and_item.py

@@ -0,0 +1,31 @@
+"""Add created_at to User and Item
+
+Revision ID: fe56fa70289e
+Revises: 1a31ce608336
+Create Date: 2026-01-23 15:50:37.171462
+
+"""
+from alembic import op
+import sqlalchemy as sa
+import sqlmodel.sql.sqltypes
+
+
+# revision identifiers, used by Alembic.
+revision = 'fe56fa70289e'
+down_revision = '1a31ce608336'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('item', sa.Column('created_at', sa.DateTime(timezone=True), nullable=True))
+    op.add_column('user', sa.Column('created_at', sa.DateTime(timezone=True), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('user', 'created_at')
+    op.drop_column('item', 'created_at')
+    # ### end Alembic commands ###