/**
 * Hivemind tmux-state-query — read-only session metadata tool for the
 * observability layer.
 *
 * Exposes the current tmux session tracking state (sessions, panes,
 * counts) without mutating any state. Permission-gated: only
 * orchestrator-tier agents may invoke.
 *
 * Phase 52 design (REQ-04, REQ-05):
 * - 3 actions: list-sessions, get-session, get-summary
 * - No mutation — strictly read-only
 * - Same permission gate pattern as tmux-copilot.ts
 * - Graceful unavailable: when the in-tree integration is not wired,
 *   returns {available: false, reason: "tmux-not-wired"} instead of
 *   throwing.
 */
import { tool } from "@opencode-ai/plugin/tool";
import { z } from "zod";
/**
 * Summary of one tracked session. Exposed as part of the query result
 * so observability consumers can inspect what the tmux subsystem is
 * currently tracking.
 */
export interface SessionSummary {
    sessionId: string;
    agent: string;
    delegationId: string;
    paneId: string;
    directory: string;
    spawnTime: number;
}
export type TmuxStateQueryResult = {
    available: false;
    reason: "tmux-not-wired";
} | {
    error: {
        kind: "invalid-input";
        issues: z.ZodIssue[];
    };
} | {
    error: {
        kind: "permission-denied";
        agent: string;
    };
} | {
    sessions: SessionSummary[];
} | {
    session: SessionSummary | null;
} | {
    summary: {
        total: number;
        active: number;
        spawning: number;
    };
};
export declare const tmuxStateQueryToolName = "tmux-state-query";
export declare const tmuxStateQueryTool: ReturnType<typeof tool>;
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