- Add deployedConfigSnapshot field to Deployment interface (mirrors server shape)
- Remove the Task 10.3 cast in handleRestore now that the type has the field
- New useUnsavedChangesBlocker hook (react-router useBlocker, v7.13.1)
- Wire AlertDialog into AppDeploymentPage for in-app navigation guard
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>