完全跑通1.0版本

backend/app/main.py

@@ -6,18 +6,38 @@ from .database import create_tables, AsyncSessionLocal
 from .scheduler import start_scheduler, shutdown_scheduler
 from .api import news, admin
 from .config import settings
-from .models.news import LLMConfig
+from .models.news import LLMConfig, NewsSource
 
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):
     await create_tables()
     await seed_initial_llm_config()
+    await seed_default_sources()
     start_scheduler()
     yield
     shutdown_scheduler()
 
 
+async def seed_default_sources():
+    """Insert default news sources on first run if the table is empty."""
+    from .crawler.rss_fetcher import DEFAULT_SOURCES
+    from sqlalchemy import select
+    async with AsyncSessionLocal() as db:
+        result = await db.execute(select(NewsSource).limit(1))
+        if result.scalar_one_or_none():
+            return
+        for src in DEFAULT_SOURCES:
+            db.add(NewsSource(
+                name=src["name"],
+                url=src["url"],
+                source_type="rss",
+                language=src["language"],
+                category=src["category"],
+            ))
+        await db.commit()
+
+
 async def seed_initial_llm_config():
     """Insert default LLM config on first run if none exists."""
     from sqlalchemy import select