Various changes

src/main.rs

@@ -1,3 +1,4 @@
+mod ansi;
 mod app;
 mod config;
 mod error;
@@ -69,10 +70,62 @@ async fn run_app(
         if app.handle_event(event).await? {
             break;
         }
+
+        // After handling events, check if a script requested an exec.
+        if let Some(exec) = app.pending_exec.take() {
+            run_exec(terminal, exec).await?;
+        }
     }
     Ok(())
 }
 
+/// Suspends ratatui, hands the terminal to an external interactive process,
+/// then restores the TUI and sends the exit code back to the script.
+async fn run_exec(
+    terminal: &mut Terminal<CrosstermBackend<io::Stdout>>,
+    exec: app::PendingExec,
+) -> Result<()> {
+    // ── Suspend ratatui ──────────────────────────────────────────────────────
+    disable_raw_mode()?;
+    execute!(
+        terminal.backend_mut(),
+        LeaveAlternateScreen,
+        DisableMouseCapture
+    )?;
+    terminal.show_cursor()?;
+
+    // ── Run the program with inherited stdin/stdout/stderr ───────────────────
+    let exit_code = tokio::task::spawn_blocking({
+        let shell = exec.shell.clone();
+        move || {
+            std::process::Command::new("bash")
+                .arg("-c")
+                .arg(&shell)
+                .stdin(std::process::Stdio::inherit())
+                .stdout(std::process::Stdio::inherit())
+                .stderr(std::process::Stdio::inherit())
+                .status()
+                .map(|s| s.code().unwrap_or(1))
+                .unwrap_or(1)
+        }
+    })
+    .await?;
+
+    // ── Restore ratatui ──────────────────────────────────────────────────────
+    enable_raw_mode()?;
+    execute!(
+        terminal.backend_mut(),
+        EnterAlternateScreen,
+        EnableMouseCapture
+    )?;
+    terminal.clear()?;
+
+    // ── Reply to the script with the exit code ───────────────────────────────
+    let _ = exec.reply_tx.send(exit_code.to_string());
+
+    Ok(())
+}
+
 async fn read_crossterm_event() -> Result<Option<crossterm::event::Event>> {
     if crossterm::event::poll(std::time::Duration::from_millis(100))? {
         Ok(Some(crossterm::event::read()?))