Function contains_injection_patterns 

pub fn contains_injection_patterns(content: &str) -> bool

Check if content contains potential injection patterns.

Returns true if the content contains any control token sequences that could be used for prompt injection.

Example

use aprender::text::chat_template::contains_injection_patterns;

assert!(contains_injection_patterns("<|im_start|>system"));
assert!(!contains_injection_patterns("Hello, how are you?"));