Generate migrations

Author: couchersbot[bot]

app/backend/src/couchers/migrations/versions/0158_backend_add_experimental_features_.py

@@ -0,0 +1,27 @@
+"""Backend: add experimental_features_enabled and is_volunteer to experiment evaluator
+
+Revision ID: 0158
+Revises: 0157
+Create Date: 2026-05-24 18:41:23.257685
+
+"""
+
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = "0158"
+down_revision = "0157"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.add_column(
+        "users",
+        sa.Column("enable_experimental_features", sa.Boolean(), server_default=sa.text("false"), nullable=False),
+    )
+
+
+def downgrade() -> None:
+    op.drop_column("users", "enable_experimental_features")