完全跑通1.0版本

backend/alembic/env.py

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+import asyncio
+from logging.config import fileConfig
+
+from sqlalchemy import pool
+from sqlalchemy.ext.asyncio import async_engine_from_config
+
+from alembic import context
+
+config = context.config
+
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+# Import all models so Alembic can detect schema changes
+from app.models.news import Base  # noqa: E402
+target_metadata = Base.metadata
+
+
+def run_migrations_offline() -> None:
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def do_run_migrations(connection):
+    context.configure(connection=connection, target_metadata=target_metadata)
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+async def run_async_migrations() -> None:
+    connectable = async_engine_from_config(
+        config.get_section(config.config_ini_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:
+    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: str = ${repr(up_revision)}
+down_revision: Union[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:
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade() -> None:
+    ${downgrades if downgrades else "pass"}

backend/alembic/versions/0001_initial_schema.py

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+"""initial schema
+
+Revision ID: 0001
+Revises:
+Create Date: 2026-05-26
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+revision: str = "0001"
+down_revision: Union[str, None] = None
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "news_sources",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("name", sa.String(100), nullable=False),
+        sa.Column("url", sa.String(500), nullable=False),
+        sa.Column("source_type", sa.String(20), nullable=False, server_default="rss"),
+        sa.Column("language", sa.String(5), nullable=False, server_default="zh"),
+        sa.Column("category", sa.String(50), nullable=True),
+        sa.Column("is_active", sa.Boolean(), nullable=False, server_default="true"),
+        sa.Column("created_at", sa.DateTime(), nullable=False),
+    )
+
+    op.create_table(
+        "raw_news",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("source_id", sa.Integer(), sa.ForeignKey("news_sources.id"), nullable=True),
+        sa.Column("title", sa.String(500), nullable=False),
+        sa.Column("url", sa.String(1000), nullable=False, unique=True),
+        sa.Column("raw_content", sa.Text(), nullable=True),
+        sa.Column("published_at", sa.DateTime(), nullable=True),
+        sa.Column("crawled_at", sa.DateTime(), nullable=False),
+        sa.Column("status", sa.String(20), nullable=False, server_default="pending"),
+    )
+
+    op.create_table(
+        "processed_news",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("raw_news_id", sa.Integer(), sa.ForeignKey("raw_news.id"), nullable=False),
+        sa.Column("title_zh", sa.String(500), nullable=False),
+        sa.Column("summary", sa.Text(), nullable=False),
+        sa.Column("opinion", sa.Text(), nullable=True),
+        sa.Column("keywords", postgresql.ARRAY(sa.String()), nullable=True),
+        sa.Column("importance_score", sa.Float(), nullable=False, server_default="5.0"),
+        sa.Column("importance_reason", sa.Text(), nullable=True),
+        sa.Column("category", sa.String(50), nullable=False, server_default="行业动态"),
+        sa.Column("is_featured", sa.Boolean(), nullable=False, server_default="false"),
+        sa.Column("featured_rank", sa.Integer(), nullable=True),
+        sa.Column("source_name", sa.String(200), nullable=True),
+        sa.Column("source_url", sa.String(1000), nullable=True),
+        sa.Column("published_at", sa.DateTime(), nullable=True),
+        sa.Column("processed_at", sa.DateTime(), nullable=False),
+    )
+
+    op.create_table(
+        "llm_config",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("name", sa.String(100), nullable=False),
+        sa.Column("provider", sa.String(50), nullable=False),
+        sa.Column("api_key", sa.String(500), nullable=False),
+        sa.Column("base_url", sa.String(500), nullable=False),
+        sa.Column("model_name", sa.String(200), nullable=False),
+        sa.Column("is_active", sa.Boolean(), nullable=False, server_default="true"),
+        sa.Column("created_at", sa.DateTime(), nullable=False),
+    )
+
+    op.create_table(
+        "system_logs",
+        sa.Column("id", sa.Integer(), primary_key=True),
+        sa.Column("event_type", sa.String(50), nullable=False),
+        sa.Column("message", sa.Text(), nullable=False),
+        sa.Column("level", sa.String(20), nullable=False, server_default="INFO"),
+        sa.Column("created_at", sa.DateTime(), nullable=False),
+    )
+
+    op.create_index("ix_raw_news_status", "raw_news", ["status"])
+    op.create_index("ix_processed_news_processed_at", "processed_news", ["processed_at"])
+    op.create_index("ix_processed_news_is_featured", "processed_news", ["is_featured"])
+
+
+def downgrade() -> None:
+    op.drop_table("system_logs")
+    op.drop_table("llm_config")
+    op.drop_table("processed_news")
+    op.drop_table("raw_news")
+    op.drop_table("news_sources")