//! ZAI provider (reuses OpenAI Completions protocol with thinking customization).
//!
//! ZAI uses the OpenAI Chat Completions API at:
//! - `https://api.z.ai/api/coding/paas/v4`
//!
//! Thinking customizations from pi-mono:
//! - `thinking_format: "zai"` — uses `enable_thinking: true/false` top-level parameter
//! instead of OpenAI's `reasoning_effort`
//! - `supports_developer_role: false` (non-standard)
//! - `supports_reasoning_effort: false` (uses `enable_thinking` instead)
//! - `supports_store: false` (non-standard)
//!
//! This provider delegates to `OpenAICompletionsProvider` with ZAI-specific compat.
use crateAssistantMessageEventStream;
use crate*;
define_openai_delegation_provider!