fix: SQLite 兼容性修复

- 数据库引擎根据类型动态配置连接池参数
- SQLite 不使用 pool_size/max_overflow/pool_pre_ping

Author: MKY508

apps/api/app/db/session.py

@@ -6,13 +6,15 @@
 from app.core.config import settings
 
 # 创建异步引擎
-engine = create_async_engine(
-    str(settings.DATABASE_URL),
-    echo=settings.DEBUG,
-    pool_pre_ping=True,
-    pool_size=10,
-    max_overflow=20,
-)
+# SQLite 不支持连接池参数
+_db_url = str(settings.DATABASE_URL)
+_engine_kwargs: dict = {"echo": settings.DEBUG}
+if not _db_url.startswith("sqlite"):
+    _engine_kwargs["pool_pre_ping"] = True
+    _engine_kwargs["pool_size"] = 10
+    _engine_kwargs["max_overflow"] = 20
+
+engine = create_async_engine(_db_url, **_engine_kwargs)
 
 # 创建异步会话工厂
 AsyncSessionLocal = async_sessionmaker(