/**
 * Session-patch tool: patch sections in session file with automatic backup.
 *
 * @CQRS-BOUNDARY: Deliberate exception — session-patch writes user-facing .md
 * session files directly. Session-tracker owns `.hivemind/session-tracker/*.json`
 * for child session records — a different data plane. Direct I/O is the correct
 * architecture: this is a content-editing utility, not a state-management operation.
 * Path safety is enforced by `assertPathWithinRoot` and `FORBIDDEN_PATH` gating.
 * Decision date: 2026-06-08. Phase: 60 (C2-Residuals, REQ-R6-02).
 *
 * @module tools/session-patch/tools
 */
import { tool } from "@opencode-ai/plugin/tool";
/**
 * Create the session-patch tool instance.
 * @param _projectRoot - Reserved for future path resolution (unused)
 * @returns Configured OpenCode tool for session file section patching
 */
export declare function createSessionPatchTool(projectRoot: string): ReturnType<typeof tool>;
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