support proxy select for pbs (#3461)

alembic/versions/2025_09_18_0916-4937dff73027_add_browser_session_proxy_schema.py

@@ -0,0 +1,31 @@
+"""add_browser_session_proxy_schema
+
+Revision ID: 4937dff73027
+Revises: 8f208daee7d1
+Create Date: 2025-09-18 09:16:54.130840+00:00
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "4937dff73027"
+down_revision: Union[str, None] = "8f208daee7d1"
+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("proxy_location", sa.String(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("persistent_browser_sessions", "proxy_location")
+    # ### end Alembic commands ###