feat: 增加内容生成配置管理

ai_knowledge_base_v2/apps/backend/alembic/versions/0027_content_generation_configs.py

@@ -0,0 +1,49 @@
+"""add versioned content generation configs
+
+Revision ID: 0027_content_generation
+Revises: 0026_entitlement_renewal
+"""
+
+from __future__ import annotations
+
+from alembic import context, op
+import sqlalchemy as sa
+
+
+revision = "0027_content_generation"
+down_revision = "0026_entitlement_renewal"
+branch_labels = None
+depends_on = None
+
+PRIMARY_KEY_TYPE = sa.BigInteger().with_variant(sa.Integer(), "sqlite")
+
+
+def upgrade() -> None:
+    inspector = None if context.is_offline_mode() else sa.inspect(op.get_bind())
+    tables = set() if inspector is None else set(inspector.get_table_names())
+    if "sys_content_generation_config" not in tables:
+        op.create_table(
+            "sys_content_generation_config",
+            sa.Column("id", PRIMARY_KEY_TYPE, primary_key=True, autoincrement=True),
+            sa.Column("config_type", sa.String(length=30), nullable=False),
+            sa.Column("template_content", sa.Text(), nullable=False),
+            sa.Column("instruction_content", sa.Text(), nullable=False),
+            sa.Column("change_type", sa.String(length=20), nullable=False, server_default="save"),
+            sa.Column("source_config_id", sa.BigInteger(), nullable=True),
+            sa.Column("updated_by", sa.BigInteger(), nullable=True),
+            sa.Column("updated_at", sa.DateTime(), server_default=sa.func.now(), nullable=False),
+        )
+        op.create_index(
+            "ix_content_generation_type_updated",
+            "sys_content_generation_config",
+            ["config_type", "updated_at", "id"],
+        )
+
+
+def downgrade() -> None:
+    inspector = None if context.is_offline_mode() else sa.inspect(op.get_bind())
+    tables = {"sys_content_generation_config"} if inspector is None else set(inspector.get_table_names())
+    if "sys_content_generation_config" not in tables:
+        return
+    op.drop_index("ix_content_generation_type_updated", table_name="sys_content_generation_config")
+    op.drop_table("sys_content_generation_config")