feat(server): 添加图片生成服务和配置更新

server/app/main.py

@@ -35,8 +35,9 @@ app.include_router(drafts.router, prefix="/api", tags=["草稿箱"])
 app.include_router(upload.router, prefix="/api", tags=["上传"])
 
 # 静态文件服务（用于访问上传的图片）
-os.makedirs(settings.upload_path, exist_ok=True)
-app.mount("/uploads", StaticFiles(directory=settings.upload_path), name="uploads")
+upload_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), '..', settings.upload_path))
+os.makedirs(upload_dir, exist_ok=True)
+app.mount("/uploads", StaticFiles(directory=upload_dir), name="uploads")
 
 
 @app.get("/")