Module client 

统一客户端接口：提供协议驱动的 AI 模型交互入口。

Unified client interface for AI-Protocol runtime.

Developer-friendly goal: keep the public surface small and predictable. Implementation details are split into submodules under src/client/.

Modules

builder

chat

core

核心客户端实现：管理协议加载、传输、流水线及弹性策略。

endpoint

Endpoint resolution and service calls

error_classification

错误分类逻辑：将 HTTP 状态码和提供商错误映射到 V2 标准错误码。

signals

types

Structs

AiClient

Unified AI client that works with any provider through protocol configuration.

AiClientBuilder

Builder for creating clients with custom configuration.

CallStats

Per-call statistics for observability and model selection.

CancelHandle

Handle to cancel an in-flight streaming request.

ChatBatchRequest

Batch chat request parameters (developer-friendly, small surface).

ChatRequestBuilder

Builder for chat requests.

ClientMetrics

Snapshot of cumulative client metrics for monitoring and routing.

PolicyEngine

Internal policy engine that unifies retry / fallback behavior.

SignalsSnapshot

A lightweight, provider-agnostic snapshot of runtime “signals” for orchestration.

UnifiedResponse

Unified response format.

Enums

Decision

Internal decision for how to proceed after a failed attempt.

Traits

EndpointExt

Functions

classify_error_from_response

Classify an error from HTTP status and optional response body.