feat: 新增睿美云对接模块

- 扩展 ToolConfig 配置类型，新增 external_api 类型
- 实现接口注册表，包含 90+ 睿美云开放接口定义
- 实现 TPOS SHA256WithRSA 签名鉴权
- 实现睿美云 API 客户端，支持多租户配置
- 新增代理路由 /api/ruimeiyun/call/{api_name}
- 支持接口权限控制和健康检查

backend/app/models/notification_channel.py

@@ -1,21 +1,21 @@
-"""任务通知渠道模型"""
-from datetime import datetime
-from sqlalchemy import Column, Integer, String, Enum, Boolean, DateTime
-from ..database import Base
-
-
-class TaskNotifyChannel(Base):
-    """任务通知渠道表（用于定时任务推送）"""
-    __tablename__ = "platform_task_notify_channels"
-    
-    id = Column(Integer, primary_key=True, autoincrement=True)
-    tenant_id = Column(String(50), nullable=False)
-    channel_name = Column(String(100), nullable=False)
-    channel_type = Column(Enum('dingtalk_bot', 'wecom_bot'), nullable=False)
-    webhook_url = Column(String(500), nullable=False)
-    sign_secret = Column(String(200))  # 钉钉加签密钥
-    description = Column(String(255))
-    is_enabled = Column(Boolean, default=True)
-    
-    created_at = Column(DateTime, default=datetime.now)
-    updated_at = Column(DateTime, default=datetime.now, onupdate=datetime.now)
+"""任务通知渠道模型"""
+from datetime import datetime
+from sqlalchemy import Column, Integer, String, Enum, Boolean, DateTime
+from ..database import Base
+
+
+class TaskNotifyChannel(Base):
+    """任务通知渠道表（用于定时任务推送）"""
+    __tablename__ = "platform_task_notify_channels"
+    
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    tenant_id = Column(String(50), nullable=False)
+    channel_name = Column(String(100), nullable=False)
+    channel_type = Column(Enum('dingtalk_bot', 'wecom_bot'), nullable=False)
+    webhook_url = Column(String(500), nullable=False)
+    sign_secret = Column(String(200))  # 钉钉加签密钥
+    description = Column(String(255))
+    is_enabled = Column(Boolean, default=True)
+    
+    created_at = Column(DateTime, default=datetime.now)
+    updated_at = Column(DateTime, default=datetime.now, onupdate=datetime.now)