Add basic CLI for launching head(less) mode.

src/main.rs

@@ -1,11 +1,14 @@
 // TODO: Header
 
 use cxx_qt_lib::QString;
+use std::env;
+use std::error::Error;
+use std::process::exit;
 
 pub mod colors;
 pub mod filesystem;
 
-fn main() {
+fn run_gui() -> Result<(), Box<dyn Error>> {
     use cxx_qt_lib::{QGuiApplication, QQmlApplicationEngine, QUrl};
 
     let mut app = QGuiApplication::new();
@@ -21,4 +24,57 @@ fn main() {
     if let Some(app) = app.as_mut() {
         app.exec();
     }
+
+    Ok(())
+}
+
+fn run_tui() -> Result<(), Box<dyn Error>> {
+    println!("Starting TUI editor...");
+    // Your cursive logic here, like:
+    // let mut siv = cursive::default();
+    // siv.add_layer(...);
+    // siv.run();
+    Ok(())
+}
+
+fn print_help() {
+    println!("Usage: app_launcher [OPTION]");
+    println!("Options:");
+    println!("  gui       Launch the QML GUI application");
+    println!("  tui       Launch the TUI text editor (cursive-based)");
+    println!("  help      Show this help message");
+}
+
+fn main() {
+    let args: Vec<String> = env::args().collect();
+
+    if args.len() < 2 {
+        if let Err(e) = run_gui() {
+            eprintln!("Error launching GUI: {}", e);
+            exit(1);
+        }
+    }
+
+    match args.get(1).map(|s| s.as_str()) {
+        Some("gui") => {
+            if let Err(e) = run_gui() {
+                eprintln!("Error launching GUI: {}", e);
+                exit(1);
+            }
+        }
+        Some("tui") => {
+            if let Err(e) = run_tui() {
+                eprintln!("Error launching TUI: {}", e);
+                exit(1);
+            }
+        }
+        Some("help") | None => {
+            print_help();
+        }
+        Some(arg) => {
+            eprintln!("Unknown argument: {}", arg);
+            print_help();
+            exit(1);
+        }
+    }
 }