~anthropic/claude-sonnet-latest → B (3:2)

Side B is a focused, tested refactor that deduplicates thread-XML formatting across CLI and server, adds a needed delegate field with proper escaping and unit tests. Side A dumps a large untested 572-line script plus deploy/README churn under a vague 'nice' message, mixing unrelated concerns (agent framework + Fly deploy tweaks) without tests or clear integration into the existing codebase.