Function validate_api_key 

pub fn validate_api_key(api_key: &str) -> ZaiResult<()>

Validates Zhipu AI API key format

Zhipu AI API keys follow the format: <id>.<secret> where both parts are alphanumeric strings.

Arguments

• api_key - The API key to validate

Returns

• Ok(()) if API key is valid
• Err(ZaiError) if API key is invalid

Example

use zai_rs::client::error::validate_api_key;

// Valid API key (id >= 3 chars, secret >= 10 chars)
assert!(validate_api_key("abc123.abcdefghijklmnopqrstuvwxyz").is_ok());
assert!(validate_api_key("").is_err());
assert!(validate_api_key("invalid").is_err());