import type { z } from 'zod';
import type { ToolResult, ResourceResult } from '../types.js';
/**
 * Simple logger interface for extensions.
 * Uses console.error for consistency with limps server logging.
 */
export interface Logger {
    error(message: string, ...args: unknown[]): void;
    warn(message: string, ...args: unknown[]): void;
    info(message: string, ...args: unknown[]): void;
    debug(message: string, ...args: unknown[]): void;
}
/**
 * Tool definition for extensions.
 * Matches the structure used by limps internal tools.
 * inputSchema must be a ZodObject to provide `.shape` for MCP SDK registration.
 */
export interface ExtensionTool {
    name: string;
    description: string;
    inputSchema: z.ZodObject<z.ZodRawShape>;
    handler: (input: unknown) => Promise<ToolResult>;
}
/**
 * Resource definition for extensions.
 */
export interface ExtensionResource {
    name: string;
    uri: string;
    handler: (uri: URL) => Promise<ResourceResult>;
}
/**
 * Context provided to extensions during initialization.
 */
export interface ExtensionContext {
    dataDir: string;
    config: Record<string, unknown>;
    logger: Logger;
}
/**
 * Extension interface that all limps extensions must implement.
 */
export interface LimpsExtension {
    name: string;
    version: string;
    tools?: ExtensionTool[];
    resources?: ExtensionResource[];
    onInit?(context: ExtensionContext): Promise<void>;
    onShutdown?(): Promise<void>;
}
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