For more than a decade, Japan's central bankers built an economic architecture on the premise that cheap money could rescue a nation from stagnation — and for a time, it did. Now, as inflation reshapes the landscape they engineered, the Bank of Japan's own architects find themselves divided ahead of a Friday rate decision that asks whether a policy born of necessity has outlived its purpose. It is a moment that transcends monetary mechanics: a society confronting what it means to exit a strategy that became, for many, indistinguishable from normalcy itself.