I cannot tell from the context. Perhaps your interpretation is correct, or perhaps it means 'you've got me wondering'.
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The expression, "Well, you got me hanging" simply means "I don't know."
Makes sense to me. The idiom "you got me hanging"really does mean, "I don't know." The phrase means you are mentally stuck. You don't know what else to say since the true answer is really the not very helpful, "I don't know."