import { type ToolName } from "./schemas.js";
import type { CanvasNode, CanvasSnapshot } from "./types.js";
/** 判断传入名称是否为已注册的画布工具。 */
export declare function isToolName(name: unknown): name is ToolName;
/** 按工具名称校验并解析调用参数。 */
export declare function parseToolInput(name: ToolName, input: unknown): {
    path: string;
} | {
    keyword?: string | undefined;
    page?: number | undefined;
    pageSize?: number | undefined;
} | {
    nodeIds: string[];
} | {
    ops: (import("zod").objectOutputType<{
        type: import("zod").ZodLiteral<"add_node">;
        nodeType: import("zod").ZodOptional<import("zod").ZodEnum<["image", "text", "config", "video", "audio"]>>;
        id: import("zod").ZodOptional<import("zod").ZodString>;
        title: import("zod").ZodOptional<import("zod").ZodString>;
        x: import("zod").ZodOptional<import("zod").ZodNumber>;
        y: import("zod").ZodOptional<import("zod").ZodNumber>;
        width: import("zod").ZodOptional<import("zod").ZodNumber>;
        height: import("zod").ZodOptional<import("zod").ZodNumber>;
        position: import("zod").ZodOptional<import("zod").ZodObject<{
            x: import("zod").ZodNumber;
            y: import("zod").ZodNumber;
        }, "strip", import("zod").ZodTypeAny, {
            x: number;
            y: number;
        }, {
            x: number;
            y: number;
        }>>;
        metadata: import("zod").ZodOptional<import("zod").ZodRecord<import("zod").ZodString, import("zod").ZodUnknown>>;
    }, import("zod").ZodTypeAny, "passthrough"> | import("zod").objectOutputType<{
        type: import("zod").ZodLiteral<"update_node">;
        id: import("zod").ZodString;
        patch: import("zod").ZodOptional<import("zod").ZodRecord<import("zod").ZodString, import("zod").ZodUnknown>>;
        metadata: import("zod").ZodOptional<import("zod").ZodRecord<import("zod").ZodString, import("zod").ZodUnknown>>;
    }, import("zod").ZodTypeAny, "passthrough"> | import("zod").objectOutputType<{
        type: import("zod").ZodLiteral<"delete_node">;
        id: import("zod").ZodOptional<import("zod").ZodString>;
        ids: import("zod").ZodOptional<import("zod").ZodArray<import("zod").ZodString, "many">>;
    }, import("zod").ZodTypeAny, "passthrough"> | import("zod").objectOutputType<{
        type: import("zod").ZodLiteral<"delete_connections">;
        id: import("zod").ZodOptional<import("zod").ZodString>;
        ids: import("zod").ZodOptional<import("zod").ZodArray<import("zod").ZodString, "many">>;
        all: import("zod").ZodOptional<import("zod").ZodBoolean>;
    }, import("zod").ZodTypeAny, "passthrough"> | import("zod").objectOutputType<{
        type: import("zod").ZodLiteral<"connect_nodes">;
        id: import("zod").ZodOptional<import("zod").ZodString>;
        fromNodeId: import("zod").ZodString;
        toNodeId: import("zod").ZodString;
    }, import("zod").ZodTypeAny, "passthrough"> | import("zod").objectOutputType<{
        type: import("zod").ZodLiteral<"set_viewport">;
        viewport: import("zod").ZodObject<{
            x: import("zod").ZodNumber;
            y: import("zod").ZodNumber;
            k: import("zod").ZodNumber;
        }, "strip", import("zod").ZodTypeAny, {
            x: number;
            y: number;
            k: number;
        }, {
            x: number;
            y: number;
            k: number;
        }>;
    }, import("zod").ZodTypeAny, "passthrough"> | import("zod").objectOutputType<{
        type: import("zod").ZodLiteral<"select_nodes">;
        ids: import("zod").ZodArray<import("zod").ZodString, "many">;
    }, import("zod").ZodTypeAny, "passthrough"> | import("zod").objectOutputType<{
        type: import("zod").ZodLiteral<"run_generation">;
        nodeId: import("zod").ZodString;
        mode: import("zod").ZodOptional<import("zod").ZodEnum<["text", "image", "video", "audio"]>>;
        prompt: import("zod").ZodOptional<import("zod").ZodString>;
    }, import("zod").ZodTypeAny, "passthrough">)[];
} | {
    nodeType: "text" | "config" | "image" | "video" | "audio";
    title?: string | undefined;
    x?: number | undefined;
    y?: number | undefined;
    width?: number | undefined;
    height?: number | undefined;
    metadata?: Record<string, unknown> | undefined;
} | {
    attachmentIds: string[];
    x?: number | undefined;
    y?: number | undefined;
    gap?: number | undefined;
    direction?: "row" | "column" | undefined;
} | {
    text?: string | undefined;
    title?: string | undefined;
    x?: number | undefined;
    y?: number | undefined;
    width?: number | undefined;
    height?: number | undefined;
} | {
    items: {
        text: string;
        title?: string | undefined;
        x?: number | undefined;
        y?: number | undefined;
        width?: number | undefined;
        height?: number | undefined;
    }[];
    x?: number | undefined;
    y?: number | undefined;
    gap?: number | undefined;
    direction?: "row" | "column" | undefined;
} | {
    [x: string]: any;
} | {
    id: string;
    metadata?: Record<string, unknown> | undefined;
    patch?: Record<string, unknown> | undefined;
} | {
    text: string;
    id: string;
    title?: string | undefined;
} | {
    items: {
        id: string;
        x?: number | undefined;
        y?: number | undefined;
        dx?: number | undefined;
        dy?: number | undefined;
    }[];
} | {
    id: string;
    width: number;
    height: number;
    freeResize?: boolean | undefined;
} | {
    ids: string[];
} | {
    connections: {
        fromNodeId: string;
        toNodeId: string;
    }[];
} | {
    viewport: {
        x: number;
        y: number;
        k: number;
    };
} | {
    nodeId: string;
    mode?: "text" | "image" | "video" | "audio" | undefined;
    prompt?: string | undefined;
} | {
    nodeIds?: string[] | undefined;
    scope?: "image" | "video" | "all" | "canvas" | undefined;
    taskId?: string | undefined;
    limit?: number | undefined;
} | {
    prompt: string;
    model?: string | undefined;
    count?: number | undefined;
    size?: string | undefined;
    quality?: string | undefined;
    run?: boolean | undefined;
} | {
    prompt: string;
    model?: string | undefined;
    size?: string | undefined;
    seconds?: string | undefined;
    generateAudio?: boolean | undefined;
    watermark?: boolean | undefined;
    run?: boolean | undefined;
    resolution?: string | undefined;
} | {
    title: string;
    kind: "text" | "image";
    content?: string | undefined;
    source?: string | undefined;
    tags?: string[] | undefined;
    imageUrl?: string | undefined;
    note?: string | undefined;
};
/** 压缩画布快照，避免向 Agent 返回过长的节点内容。 */
export declare function compactCanvasState(state: CanvasSnapshot | null): {
    nodes: {
        id: string;
        type: import("./types.js").CanvasNodeType;
        title: string | undefined;
        position: import("./types.js").Position;
        width: number;
        height: number;
        metadata: {
            [x: string]: unknown;
        };
    }[];
    projectId?: string;
    title?: string;
    connections?: import("./types.js").CanvasConnection[];
    selectedNodeIds?: string[];
    viewport?: import("./types.js").Viewport;
    clientId?: string;
};
/** 压缩单个画布节点的元数据内容。 */
export declare function compactNode(node: CanvasNode): {
    id: string;
    type: import("./types.js").CanvasNodeType;
    title: string | undefined;
    position: import("./types.js").Position;
    width: number;
    height: number;
    metadata: {
        [x: string]: unknown;
    };
};
/** 计算新节点在当前画布右侧的默认横坐标。 */
export declare function nextCanvasX(state: CanvasSnapshot | null): number;