export type { ToolContractName } from "./schemas";
export { CONTRACT_VERSION, getToolContractByName, observationTypeSchema, TOOL_CONTRACTS, toolSchemas, } from "./schemas";
export type ApiErrorCode = "VALIDATION_ERROR" | "NOT_FOUND" | "CONFLICT" | "LOCKED_BY_ENV" | "INTERNAL_ERROR";
export interface ApiEnvelope<T> {
    data: T | null;
    error: null | {
        code: ApiErrorCode;
        message: string;
        details?: unknown;
    };
    meta: Record<string, unknown>;
}
export declare function ok<T>(data: T, meta?: Record<string, unknown>): ApiEnvelope<T>;
export declare function fail(code: ApiErrorCode, message: string, details?: unknown): ApiEnvelope<null>;
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