80% of Legal Documents Are Now AI-Generated and OpenAI Just Announced "Codex for Legal": The Mid-Market Audit Trail Workflow That Keeps Firms Out of Court in 2026

Recent industry research suggests 80% of legal documents and correspondence are now AI-generated — and OpenAI's planned 'Codex for Legal' will push that even higher. The risk isn't AI itself. It's the absence of a document audit trail proving how each output was reviewed. Here's the workflow mid-market firms are standing up now.