Function injection_enabled_from

src/hooks/memory_inject.rs:70–78

Pure form of the gate for tests: env override beats the config flag.

(env_value: Option<&str>, config_flag: bool)

/// Pure form of the gate for tests: env override beats the config flag.
pub fn injection_enabled_from(env_value: Option<&str>, config_flag: bool) -> bool {
    match env_value {
        Some(value) => !matches!(
            value.trim().to_ascii_lowercase().as_str(),
            "0" | "false" | "off" | "no"
        ),
        None => config_flag,
    }
}

// ---------------------------------------------------------------------------
// Sanitization