Fix terminal not restoring properly on exit

Ensure disable_raw_mode and LeaveAlternateScreen run even when the
app returns an error. Also add a panic hook to restore the terminal
on unexpected panics.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/main.rs

@@ -13,6 +13,14 @@ use ratatui::{
 fn main() -> io::Result<()> {
     let config = Config::load().unwrap();
 
+    // Restore terminal on panic
+    let default_hook = std::panic::take_hook();
+    std::panic::set_hook(Box::new(move |info| {
+        let _ = disable_raw_mode();
+        let _ = execute!(io::stdout(), LeaveAlternateScreen);
+        default_hook(info);
+    }));
+
     // --- Setup terminal ---
     let mut stdout = io::stdout();
     execute!(stdout, EnterAlternateScreen)?;
@@ -21,12 +29,12 @@ fn main() -> io::Result<()> {
     let backend = CrosstermBackend::new(stdout);
     let mut terminal = Terminal::new(backend)?;
 
-    skim::main(&config, &mut terminal)?;
+    let result = skim::main(&config, &mut terminal);
 
-    // --- Restore terminal ---
+    // --- Restore terminal (always, even on error) ---
     disable_raw_mode()?;
     execute!(terminal.backend_mut(), LeaveAlternateScreen)?;
     terminal.show_cursor()?;
 
-    Ok(())
+    result
 }