add auth

backend/alembic/versions/0002_add_users_table.py

@@ -0,0 +1,29 @@
+"""add users table
+
+Revision ID: 0002
+Revises: 0001
+Create Date: 2026-06-28
+"""
+from typing import Sequence, Union
+from alembic import op
+import sqlalchemy as sa
+
+revision: str = "0002"
+down_revision: Union[str, None] = "0001"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "users",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("username", sa.String(), nullable=False, unique=True),
+        sa.Column("password_hash", sa.String(), nullable=False),
+        sa.Column("is_admin", sa.Boolean(), default=False),
+        sa.Column("created_at", sa.DateTime(), default=sa.func.now()),
+    )
+
+
+def downgrade() -> None:
+    op.drop_table("users")