In the early hours of a Monday morning in Jakarta, Indonesia's central bank governor Perry Warjiyo stepped away from a post he had held for nearly a decade, offering only personal reasons and no public words of his own. The silence he left behind was louder than any statement — markets moved, analysts reached for context, and a nation's monetary credibility was suddenly measured against the uncertainty of who would follow. In a moment when central bank independence had already been tested by new legislation and political pressure, the departure of a steady hand raised the oldest question in ec