8. Model providers

[!ref] Full details in the User Manual, "Models and parameters".

Field	Type	Required	Description
`name`	string	✓	Provider id
`display_name`	string		Display name
`base_url`	string	✓	API base URL
`api_key`	string		Credential (shared quota is auto-issued; no entry needed)
`protocol`	enum	✓	`openai-compat` / `anthropic` / `gemini` / `custom`
`models`	array		Model list; if empty, pulled at startup
`priority`	int	100	Fallback ordering
`enabled`	bool	true	Active
`api.headers`	map[string]string		Custom request headers (your own providers only; each row is applied with `Header.Set` after built-in headers — overrides allowed; empty keys and entries containing CR/LF are skipped; `Host` header has no effect)

name	Description
`AVL-Zero`	Shared-quota entry; auto-issues key on sign-in
`OpenAI`	Standard OpenAI protocol
`Anthropic`	Claude family
`Aliyun`	Aliyun Tongyi
`Volcengine`	Volcengine

Common	OpenAI	Anthropic	Aliyun
temperature	`temperature`	`temperature`	`temperature`
top_p	`top_p`	`top_p`	`top_p`
max_output_tokens	`max_tokens`	`max_tokens`	`max_tokens`
stream	`stream`	`stream`	`stream`
stop	`stop`	`stop_sequences`	`stop`