feat(tui): expand App state with file loading and scroll

crates/tui/src/main.rs

@@ -11,7 +11,7 @@ struct Cli {
 }
 
 fn main() -> anyhow::Result<()> {
-    let _cli = Cli::parse();
+    let cli = Cli::parse();
 
     crossterm::terminal::enable_raw_mode()?;
     let mut stdout = std::io::stdout();
@@ -21,12 +21,21 @@ fn main() -> anyhow::Result<()> {
 
     let mut app = app::App::new();
 
+    if let Some(file) = cli.files.first()
+        && let Err(e) = app.load_file(file)
+    {
+        eprintln!("Error loading file: {e}");
+        std::process::exit(1);
+    }
+
     while !app.should_quit {
         terminal.draw(|frame| ui::render(frame, &app))?;
-        if crossterm::event::poll(std::time::Duration::from_millis(100))?
-            && let crossterm::event::Event::Key(key) = crossterm::event::read()?
-        {
-            app.handle_key(key);
+        if crossterm::event::poll(std::time::Duration::from_millis(100))? {
+            match crossterm::event::read()? {
+                crossterm::event::Event::Key(key) => app.handle_key(key),
+                crossterm::event::Event::Resize(_w, _h) => {}
+                _ => {}
+            }
         }
     }