Method handle_sandboxes_key

crates/openshell-tui/src/app.rs:1353–1382

(&mut self, key: KeyEvent)

    }

    fn handle_sandboxes_key(&mut self, key: KeyEvent) {
        match key.code {
            KeyCode::Char('q') => self.running = false,
            KeyCode::Tab => self.focus = Focus::Gateways,
            KeyCode::BackTab => self.focus = Focus::Providers,
            KeyCode::Char(':') => {
                self.input_mode = InputMode::Command;
                self.command_input.clear();
            }
            KeyCode::Char('j') | KeyCode::Down if self.sandbox_count > 0 => {
                self.sandbox_selected = (self.sandbox_selected + 1).min(self.sandbox_count - 1);
            }
            KeyCode::Char('k') | KeyCode::Up => {
                self.sandbox_selected = self.sandbox_selected.saturating_sub(1);
            }
            KeyCode::Char('c') => {
                self.open_create_form();
            }
            KeyCode::Enter if self.sandbox_count > 0 => {
                self.screen = Screen::Sandbox;
                self.focus = Focus::SandboxPolicy;
                self.confirm_delete = false;
                self.pending_sandbox_detail = true;
            }
            KeyCode::Esc => {
                self.focus = Focus::Providers;
            }
            _ => {}
        }
    }

    fn handle_policy_key(&mut self, key: KeyEvent) {
        if self.confirm_delete {