fn suggest(&self, prefix: &str) -> Vec<Suggestion> {
    let candidates = self.model.predict(prefix);
    
    candidates
        .into_iter()
        .filter(|s| !is_dangerous_command(&s.command))
        .collect()
}

fn is_dangerous_command(cmd: &str) -> bool {
    // Use bashrs as library or subprocess
    let output = Command::new("bashrs")
        .args(["lint", "--format", "json", "/dev/stdin"])
        .stdin(Stdio::piped())
        .output()?;
    
    // Check for errors
    let result: LintResult = serde_json::from_slice(&output.stdout)?;
    result.has_errors()
}

use bashrs::lint::{lint_command, Severity};

fn is_safe(cmd: &str) -> bool {
    let issues = lint_command(cmd);
    !issues.iter().any(|i| i.severity == Severity::Error)
}