Interact with Sidvy, a note-taking system with workspaces, groups, notes, and todos. Use when the user wants to create, read, update, or search notes; manage todo lists; organize content into groups; or work with Sidvy workspaces. Triggers include "sidvy", "my notes", "create a note", "add a todo", "search notes", "note-taking", or references to workspaces/groups in the context of note management.