feat: 导入 MemRelay 初始源码

backend/migrations/versions/20260812_0015_output_language.py

@@ -0,0 +1,28 @@
+"""Curation output language setting."""
+
+from collections.abc import Sequence
+
+import sqlalchemy as sa
+from alembic import op
+
+revision: str = "20260812_0015"
+down_revision: str | Sequence[str] | None = "20260808_0014"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    with op.batch_alter_table("curation_settings") as batch:
+        batch.add_column(
+            sa.Column(
+                "output_language",
+                sa.String(length=16),
+                nullable=False,
+                server_default="auto",
+            )
+        )
+
+
+def downgrade() -> None:
+    with op.batch_alter_table("curation_settings") as batch:
+        batch.drop_column("output_language")