add working Audio HumanInterface

refactoring as always
remove secrets

src/model.rs

@@ -23,10 +23,7 @@ pub async fn create_model_from_config(
     if let Ok(models) = ollama.list_local_models().await
         && !models.iter().any(|m| m.name == config.from_model)
     {
-        let message = format!(
-            "Model `{}` is not installed and will be downloaded first.",
-            config.from_model
-        );
+        let message = tlt!("model_download_needed", config.from_model.clone());
         log::info!("{}", message);
         println!("{}", console::style(message).yellow().bold());
     }