Adding LDAP support

alembic/versions/0002_add_auth_provider.py

@@ -0,0 +1,33 @@
+"""add auth_provider to users
+
+Revision ID: 0002_add_auth_provider
+Revises: 0001_initial
+Create Date: 2026-07-19 00:00:00.000000
+"""
+
+from collections.abc import Sequence
+
+import sqlalchemy as sa
+
+from alembic import op
+
+revision: str = "0002_add_auth_provider"
+down_revision: str | None = "0001_initial"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    op.add_column(
+        "users",
+        sa.Column(
+            "auth_provider",
+            sa.String(length=20),
+            nullable=False,
+            server_default="local",
+        ),
+    )
+
+
+def downgrade() -> None:
+    op.drop_column("users", "auth_provider")