初始化提交

backend/alembic/README

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+Generic single-database configuration.

backend/alembic/env.py

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+"""Alembic 迁移环境。"""
+
+from sqlalchemy import pool
+from sqlalchemy.engine import Connection, make_url
+from sqlalchemy.ext.asyncio import async_engine_from_config
+
+from alembic import context
+from app.core.config import settings
+from app.db.base import Base
+
+config = context.config
+config.set_main_option("sqlalchemy.url", settings.resolved_database_url)
+target_metadata = Base.metadata
+
+
+def ensure_sqlite_parent_dir() -> None:
+    url = make_url(settings.resolved_database_url)
+    if url.drivername.startswith("sqlite") and url.database:
+        settings.resolve_from_backend(url.database).parent.mkdir(parents=True, exist_ok=True)
+
+
+def run_migrations_offline() -> None:
+    ensure_sqlite_parent_dir()
+    context.configure(
+        url=settings.resolved_database_url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def do_run_migrations(connection: Connection) -> None:
+    context.configure(connection=connection, target_metadata=target_metadata)
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+async def run_async_migrations() -> None:
+    ensure_sqlite_parent_dir()
+    section = config.get_section(config.config_ini_section, {})
+    connectable = async_engine_from_config(
+        section,
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    async with connectable.connect() as connection:
+        await connection.run_sync(do_run_migrations)
+
+    await connectable.dispose()
+
+
+def run_migrations_online() -> None:
+    import asyncio
+
+    asyncio.run(run_async_migrations())
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

backend/alembic/script.py.mako

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+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision: str = ${repr(up_revision)}
+down_revision: Union[str, Sequence[str], None] = ${repr(down_revision)}
+branch_labels: Union[str, Sequence[str], None] = ${repr(branch_labels)}
+depends_on: Union[str, Sequence[str], None] = ${repr(depends_on)}
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    ${downgrades if downgrades else "pass"}

backend/alembic/versions/002_add_chat_session_owner_scope.py

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+"""add_chat_session_owner_scope
+
+Revision ID: 002
+Revises: 001
+Create Date: 2026-07-14 07:54:32.969191
+
+"""
+from collections.abc import Sequence
+
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = '002'
+down_revision: str | Sequence[str] | None = '001'
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    conn = op.get_bind()
+    is_sqlite = conn.engine.dialect.name == "sqlite"
+
+    if is_sqlite:
+        # SQLite：用 batch 模式加列（新增 NOT NULL 列需 batch recreating）
+        with op.batch_alter_table("chat_sessions") as batch_op:
+            batch_op.add_column(
+                sa.Column("owner_scope", sa.String(length=80), nullable=False, server_default=""),
+            )
+            batch_op.create_index("ix_chat_sessions_owner_scope", ["owner_scope"])
+        # 移除 server_default（仅 DDL 阶段需要）
+        with op.batch_alter_table("chat_sessions") as batch_op:
+            batch_op.alter_column("owner_scope", server_default=None)
+    else:
+        op.add_column(
+            "chat_sessions",
+            sa.Column("owner_scope", sa.String(length=80), nullable=False, server_default=""),
+        )
+        op.create_index(
+            op.f("ix_chat_sessions_owner_scope"), "chat_sessions", ["owner_scope"], unique=False
+        )
+        op.alter_column("chat_sessions", "owner_scope", server_default=None)
+
+
+def downgrade() -> None:
+    conn = op.get_bind()
+    is_sqlite = conn.engine.dialect.name == "sqlite"
+
+    if is_sqlite:
+        with op.batch_alter_table("chat_sessions") as batch_op:
+            batch_op.drop_index("ix_chat_sessions_owner_scope")
+            batch_op.drop_column("owner_scope")
+    else:
+        op.drop_index(op.f("ix_chat_sessions_owner_scope"), table_name="chat_sessions")
+        op.drop_column("chat_sessions", "owner_scope")

backend/alembic/versions/003_add_daoti_soul_fields_to_character.py

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+"""add daoti soul fields to character
+
+Revision ID: 003
+Revises: 002
+Create Date: 2026-07-24 10:47:40.993422
+
+"""
+from collections.abc import Sequence
+
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = '003'
+down_revision: str | Sequence[str] | None = '002'
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('characters', sa.Column('personality_summary', sa.Text(), nullable=True))
+    op.add_column('characters', sa.Column('mission', sa.Text(), nullable=True))
+    op.add_column('characters', sa.Column('safety_guidelines', sa.Text(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('characters', 'safety_guidelines')
+    op.drop_column('characters', 'mission')
+    op.drop_column('characters', 'personality_summary')
+    # ### end Alembic commands ###

backend/alembic/versions/004_add_lorebook_tables.py

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+"""add lorebook tables
+
+Revision ID: 004
+Revises: 003
+Create Date: 2026-07-24 12:20:38.453954
+
+"""
+from collections.abc import Sequence
+
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = '004'
+down_revision: str | Sequence[str] | None = '003'
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('lorebooks',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('character_id', sa.String(length=80), nullable=True),
+    sa.Column('name', sa.String(length=200), nullable=False),
+    sa.Column('description', sa.Text(), nullable=False),
+    sa.Column('scan_depth', sa.Integer(), nullable=True),
+    sa.Column('token_budget', sa.Integer(), nullable=True),
+    sa.Column('recursive_scanning', sa.Boolean(), nullable=False),
+    sa.Column('scope', sa.String(length=40), nullable=False),
+    sa.Column('status', sa.String(length=40), nullable=False),
+    sa.Column('owner_scope', sa.String(length=80), nullable=False),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['character_id'], ['characters.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_lorebooks_character_id'), 'lorebooks', ['character_id'], unique=False)
+    op.create_index(op.f('ix_lorebooks_owner_scope'), 'lorebooks', ['owner_scope'], unique=False)
+    op.create_index(op.f('ix_lorebooks_scope'), 'lorebooks', ['scope'], unique=False)
+    op.create_index(op.f('ix_lorebooks_status'), 'lorebooks', ['status'], unique=False)
+    op.create_table('lorebook_entries',
+    sa.Column('id', sa.String(length=80), nullable=False),
+    sa.Column('lorebook_id', sa.String(length=80), nullable=False),
+    sa.Column('keys_json', sa.Text(), nullable=False),
+    sa.Column('content', sa.Text(), nullable=False),
+    sa.Column('secondary_keys_json', sa.Text(), nullable=False),
+    sa.Column('constant', sa.Boolean(), nullable=False),
+    sa.Column('selective', sa.Boolean(), nullable=False),
+    sa.Column('enabled', sa.Boolean(), nullable=False),
+    sa.Column('case_sensitive', sa.Boolean(), nullable=False),
+    sa.Column('use_regex', sa.Boolean(), nullable=False),
+    sa.Column('position', sa.String(length=40), nullable=False),
+    sa.Column('insertion_order', sa.Integer(), nullable=False),
+    sa.Column('priority', sa.Integer(), nullable=False),
+    sa.Column('comment', sa.String(length=500), nullable=False),
+    sa.Column('bound_entity_id', sa.String(length=80), nullable=True),
+    sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
+    sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
+    sa.ForeignKeyConstraint(['lorebook_id'], ['lorebooks.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_lorebook_entries_bound_entity_id'), 'lorebook_entries', ['bound_entity_id'], unique=False)
+    op.create_index(op.f('ix_lorebook_entries_lorebook_id'), 'lorebook_entries', ['lorebook_id'], unique=False)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(op.f('ix_lorebook_entries_lorebook_id'), table_name='lorebook_entries')
+    op.drop_index(op.f('ix_lorebook_entries_bound_entity_id'), table_name='lorebook_entries')
+    op.drop_table('lorebook_entries')
+    op.drop_index(op.f('ix_lorebooks_status'), table_name='lorebooks')
+    op.drop_index(op.f('ix_lorebooks_scope'), table_name='lorebooks')
+    op.drop_index(op.f('ix_lorebooks_owner_scope'), table_name='lorebooks')
+    op.drop_index(op.f('ix_lorebooks_character_id'), table_name='lorebooks')
+    op.drop_table('lorebooks')
+    # ### end Alembic commands ###