AC Checkpoint Manager Manage checkpoints for safe rollback during autonomous development. Purpose Creates and manages checkpoints that enable rollback to known-good states, providing safety during autonomous operation. Quick Start Checkpoint Types - Auto : Created automatically at key points - Manual : Created on explicit request - Feature : Created after each feature completion - Session : Created at session boundaries Checkpoint Structure Auto-Checkpoint Points - Before starting new feature - After completing feature - Before risky operations - At context compaction Workflow Integration - U…