Taiwan’s government has suggested a $100bn semiconductor deal between Donald Trump and the Taiwanese chip maker TSMC is not guaranteed, saying it must still go through government assessment and ensure its most advanced tech will stay onshore. The surprise announcement on Monday by Trump and the chief executive of Taiwan Semiconductor Manufacturing Co (TSMC), CC Wei, has prompted controversy in Taiwan, where the industry is crucial to both its economy and its national security. On Monday, TSMC said it would increase its existing US investment by $100bn, building five new “cutting edge” facilities on US soil. Trump said the deal…