Method handle_update_provider_key

crates/openshell-tui/src/app.rs:2438–2460

(&mut self, key: KeyEvent)

    }

    fn handle_update_provider_key(&mut self, key: KeyEvent) {
        let Some(form) = self.update_provider_form.as_mut() else {
            return;
        };

        match key.code {
            KeyCode::Esc => {
                self.update_provider_form = None;
            }
            KeyCode::Enter => {
                if form.new_value.is_empty() {
                    form.status = Some("Value is required.".to_string());
                    return;
                }
                self.pending_provider_update = true;
            }
            KeyCode::Char(c) => form.new_value.push(c),
            KeyCode::Backspace => {
                form.new_value.pop();
            }
            _ => {}
        }
    }

    // ------------------------------------------------------------------
    // Shared helpers