@mastra/core/dist/agent/durable/workflows/steps/tool-call.d.ts

Mastra is a framework for building AI-powered applications and agents with a modern TypeScript stack.

/**
 * Create a durable tool call step.
 *
 * This step mirrors the base Agent's createToolCallStep pattern:
 * 1. Resolves the tool from the run registry or Mastra
 * 2. Checks if approval is required (global or per-tool)
 * 3. If approval required, emits suspended event, persists messages, and suspends
 * 4. Executes the tool with a suspend callback for in-execution suspension
 * 5. Emits tool-result or tool-error chunks via PubSub
 * 6. Returns the result or error
 *
 * Tool suspension is handled via workflow suspend/resume mechanism:
 * - Tool approval: step suspends with approval payload
 * - In-execution suspension: tool calls suspend() callback, step suspends with suspension payload
 * - Message persistence: messages are flushed before any suspension
 */
export declare function createDurableToolCallStep(): import("../../../../workflows").Step<"durable-tool-call", unknown, {
    toolCallId: string;
    toolName: string;
    args: Record<string, any>;
    providerMetadata?: Record<string, any> | undefined;
    providerExecuted?: boolean | undefined;
    output?: any;
    activeTools?: string[] | null | undefined;
}, {
    toolCallId: string;
    toolName: string;
    args: Record<string, any>;
    providerMetadata?: Record<string, any> | undefined;
    providerExecuted?: boolean | undefined;
    output?: any;
    activeTools?: string[] | null | undefined;
    result?: any;
    error?: {
        name: string;
        message: string;
        stack?: string | undefined;
    } | undefined;
}, unknown, unknown, import("../../../../workflows").DefaultEngineType, unknown>;
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