import type { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import type { ServerContext } from "../context.js";
/**
 * Observability & forensics tools (proposal G6), consolidated by axis:
 *
 *   get_session_metrics   per-session (or spawn-tree) metrics via include[]
 *   get_fleet_overview    fleet-wide aggregates via include[]
 *   list_child_outcomes   what did the sub-agents conclude
 *   get_execution_history raw orchestration execution events
 *   export_execution_history  export history → artifact
 */
export declare function registerObservabilityTools(server: McpServer, ctx: ServerContext): void;
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