/**
 * @downcity/type 公共协议入口。
 *
 * 这里只导出跨 package 共享的稳定协议，具体运行时实现由各 SDK package 自己负责。
 */
export { CITY_MODEL_KIND, isCityModel, } from "./types/CityModel.js";
export type { CityModel, CityModelDescriptor, CityModelEnvRequirement, CityModelReasoning, CityModelReasoningEffort, ModelPricing, } from "./types/CityModel.js";
export type { AuthRoutePolicy } from "./types/auth/AuthRoute.js";
export type { CityRuntime } from "./types/city/CityRuntime.js";
export { MODEL_PROTOCOL_VERSION, ModelStreamValidator, read_model_context_window, read_model_label, } from "./types/model/index.js";
export type { ModelCall, ModelClient, ModelContent, ModelError, ModelErrorCode, ModelFileBase64Source, ModelFileContent, ModelFileSource, ModelFileUrlSource, ModelFinishReason, ModelJsonContent, ModelJsonValue, ModelMessage, ModelReasoningContent, ModelReasoningRequest, ModelRequestFailureNotice, ModelRequestKind, ModelResponseFormat, ModelStreamEnvelope, ModelStreamEvent, ModelStreamRequest, ModelTextContent, ModelTool, ModelToolCallContent, ModelToolChoice, ModelToolResultContent, ModelToolResultPart, ModelUsage, } from "./types/model/index.js";
export { define_runtime_tool, type RuntimeTool, type RuntimeToolEffect, type RuntimeToolExecutionOptions, } from "./types/tool/index.js";
export * from "./workspace.js";
export * from "./shell.js";
export * from "./session.js";
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