feat(app):

1. Add new functional features to the agent;
2. Enhance the voice output;
3. Modify the end_user binding;
4. Delete and modify the tools.

api/app/models/workspace_model.py

@@ -38,6 +38,7 @@ class Workspace(Base):
     members = relationship("WorkspaceMember", back_populates="workspace")  # users collaborate through membership
     api_keys = relationship("ApiKey", back_populates="workspace", cascade="all, delete-orphan")  # API Keys
     memory_increments = relationship("MemoryIncrement", back_populates="workspace")
+    end_users = relationship("EndUser", back_populates="workspace", cascade="all, delete-orphan")
 
 class WorkspaceMember(Base):
     __tablename__ = "workspace_members"