Add [TODO-DIAG] console.error statements throughout the todo continuation enforcer to help diagnose why continuation prompts aren't being injected. Changes: - Add session.idle event handler diagnostic in handler.ts - Add detailed blocking reason logging in idle-event.ts for all gate checks - Update JSON schema to reflect circuit breaker config changes 🤖 Generated with assistance of [OhMyOpenCode](https://github.com/code-yeongyu/oh-my-opencode)