support browser type choice for pbs (#4406)

alembic/versions/2026_01_07_0735-18a4ed894511_add_browser_type_to_pbs.py

@@ -0,0 +1,31 @@
+"""add browser type to pbs
+
+Revision ID: 18a4ed894511
+Revises: 3545c24f02f6
+Create Date: 2026-01-07 07:35:47.209857+00:00
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "18a4ed894511"
+down_revision: Union[str, None] = "3545c24f02f6"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column("persistent_browser_sessions", sa.Column("browser_type", sa.String(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("persistent_browser_sessions", "browser_type")
+    # ### end Alembic commands ###