import type { AgentWorkContract } from "../../features/agent-work-contracts/types.js";
/**
 * Dependencies for the tool-before-guard transform (AC-18).
 *
 * Injected at composition time from plugin.ts:
 *  - toolGuardHook: the tool.execute.before guard (toolGuardHooks["tool.execute.before"])
 *  - sessionTracker: SessionTracker instance for proactive child discovery
 *  - logWarn: optional logging callback
 *  - contractEnforcement: optional deps for contract enforcement (Plan 06 wires these)
 */
export interface ToolBeforeGuardDeps {
    toolGuardHook: (input: unknown, output: unknown) => Promise<void>;
    sessionTracker: {
        handleToolExecuteBefore(params: {
            sessionID: string;
            callID: string;
            subagentType: string;
            description: string;
            taskId?: string;
            tool?: string;
        }): Promise<void>;
    };
    logWarn?: (message: string, error: unknown) => void;
    /** Optional contract enforcement deps. When provided, contract enforcement is added as third step. */
    contractEnforcement?: {
        getActiveContractByAgent: (projectRoot: string, agentName: string) => AgentWorkContract | undefined;
        resolveAgentName: (sessionID: string) => string | undefined;
        projectRoot: string;
    };
}
/**
 * Extracted hook handler for tool.execute.before (AC-18).
 *
 * Runs the tool guard FIRST (circuit breaker, budget, governance), then
 * detects task tool dispatch for proactive child session discovery.
 * Best-effort: session-tracker errors are caught and logged — never block
 * tool execution or throw to the OpenCode runtime.
 *
 * Mirror of the original inline handler from plugin.ts (lines 194-235).
 *
 * @param deps - Typed dependencies injected from plugin.ts at composition time.
 * @returns An async function that receives (input, output) for tool.execute.before.
 */
export declare function createToolBeforeGuard(deps: ToolBeforeGuardDeps): (input: unknown, output: unknown) => Promise<void>;
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