Extract SnapshotHandler (static snapshot parsing), SnapshotConsumers (non-dialogue consumers + audio handlers), and DialogueCoordinator (dialogue consumers + signal handlers) as class_name scripts. main.gd: 28KB → 13KB. game_state.gd: 20KB → 8.5KB. Autoload parse-order safety maintained via load() inline pattern. Ticket: #775 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>