In December 1993, the Senate hauled video game executives into hearings over Mortal Kombat and threatened federal regulation. The industry built its own rating system, the ESRB, in under a year. Congress hasn't passed a single federal law on game content in the 32 years since. That's the playbook that just ran at the White House. The accord commits every frontier lab to four layers of oversight. Internal controls, a dedicated monitoring team, independent external auditors, and a board…