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Ups! My mistake, was not aware of that article from google. Im deepl sorry if i´ve confused you. Yeah! Following the recommended precautions and steps in the cited articles you will be perfect! There is no need to do any further than that. Best luck! GR.

301s only cause a slight loss in link authority, and is what you want to do longterm. Your current 302s are actually worse, and doing nothing for your link authority to the pages they're redirecting to since 302=temporary, which tells Google you're still making up your mind.