@mastra/core/dist/agent/durable/constants.d.ts

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

/**
 * Constants for DurableAgent pubsub channels and event types
 */
/**
 * Symbol for passing run registry to workflow steps
 * This allows steps to access the actual model/tool instances
 */
export declare const RUN_REGISTRY_SYMBOL: unique symbol;
/**
 * Generate the pubsub topic name for agent streaming events
 * @param runId - The unique run identifier
 * @returns The topic name for subscribing/publishing agent stream events
 */
export declare const AGENT_STREAM_TOPIC: (runId: string) => string;
/**
 * Event type constants for agent stream events
 */
export declare const AgentStreamEventTypes: {
    /** Chunk of streaming data (text, tool call, etc.) */
    readonly CHUNK: "chunk";
    /** Start of a new step in the agentic loop */
    readonly STEP_START: "step-start";
    /** End of a step in the agentic loop */
    readonly STEP_FINISH: "step-finish";
    /** Agent execution completed successfully */
    readonly FINISH: "finish";
    /** Error occurred during execution */
    readonly ERROR: "error";
    /** Workflow suspended (e.g., for tool approval) */
    readonly SUSPENDED: "suspended";
};
/**
 * Default values for durable agent execution
 */
export declare const DurableAgentDefaults: {
    /** Default maximum number of agentic loop iterations */
    readonly MAX_STEPS: 5;
    /**
     * Default tool call concurrency.
     * NOTE: Currently unused — durable workflows run tool calls sequentially
     * (concurrency: 1) because tool approval and suspension require sequential
     * execution. The serialized toolCallConcurrency option is preserved in
     * workflow input for future use when dynamic foreach concurrency is supported.
     */
    readonly TOOL_CALL_CONCURRENCY: 10;
};
/**
 * Step IDs used in the durable agentic workflow
 */
export declare const DurableStepIds: {
    /** LLM execution step */
    readonly LLM_EXECUTION: "durable-llm-execution";
    /** Tool call step */
    readonly TOOL_CALL: "durable-tool-call";
    /** LLM mapping step (combines results) */
    readonly LLM_MAPPING: "durable-llm-mapping";
    /** Agentic execution workflow (one iteration) */
    readonly AGENTIC_EXECUTION: "durable-agentic-execution";
    /** Full agentic loop workflow */
    readonly AGENTIC_LOOP: "durable-agentic-loop";
    /** Scorer execution step */
    readonly SCORER_EXECUTION: "durable-scorer-execution";
};
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