/** 画布坐标。 */
export type Position = {
    x: number;
    y: number;
};
export type Viewport = {
    x: number;
    y: number;
    k: number;
};
export type CanvasNodeType = "image" | "text" | "config" | "video" | "audio";
export type CanvasNode = {
    id: string;
    type: CanvasNodeType;
    title?: string;
    position: Position;
    width: number;
    height: number;
    metadata?: Record<string, unknown>;
};
export type CanvasConnection = {
    id: string;
    fromNodeId: string;
    toNodeId: string;
};
export type CanvasSnapshot = {
    projectId?: string;
    title?: string;
    nodes?: CanvasNode[];
    connections?: CanvasConnection[];
    selectedNodeIds?: string[];
    viewport?: Viewport;
    clientId?: string;
};