Rocket Lab is debating whether a focus on hand-on assembly or automation would be a better approach to ramping up production of its Electron rocket, according to a company official.Brad Schneider, executive vice president and general manager of Rocket Lab’s United States operations, said Friday the company has two factories. One is a 115,000 square foot facility in Huntington Beach, Calif., while the other is a 100,000 square feet facility in New Zealand, home to the company’s designed-from-scratch launch range.…