/**
 * src/llm/providers/zenEndpoints.ts
 *
 * OpenCode Zen is not a single API. Each model family is served on its own
 * endpoint (https://opencode.ai/docs/zen/#endpoints), but the `opencode`
 * provider is built on the OpenAI chat-completions client, which only speaks
 * `/v1/chat/completions`. Asking it for a `/v1/messages` model (Claude,
 * qwen3.8-flash) or a `/v1/responses` model (GPT/Grok) 400s or hangs — which
 * surfaces to a caller as an agent that never answers.
 *
 * This module is the single source of truth for "which endpoint does this Zen
 * model live on", so the provider can route to the right protocol instead of
 * assuming chat. Pure and dependency-free: the model catalog rotates, so keep
 * the prefix sets aligned with the Zen docs and the live `/v1/models` list.
 */
export type ZenProtocol = 'chat' | 'messages' | 'responses' | 'systemone';
export declare function isZenMessagesModel(model: string): boolean;
export declare function zenProtocolForModel(model: string): ZenProtocol;
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