{"version":"1.0.64","anchor":"technical-changes","canonical_anchor":"technical-changes","heading":"Technical Changes","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/1.0.64\/e\/technical-changes","release_url":"https:\/\/changelogs.core-directive.com\/v\/1.0.64","markdown":"### Technical Changes\n\n\ufe0f Architecture\n\n- **Modular agent system**: Agents now have a more structured configuration with model preferences\n- **Improved type safety**: Better validation of agent properties including model selection\n- **Resource cleanup**: Proper cleanup of MCP resources when connections are terminated\n\nCompatibility\n\n- **Backward compatible**: Existing agents without model specifications default to Sonnet\n- **Survey system**: Added force display option via `CLAUDE_FORCE_DISPLAY_SURVEY` environment variable for testing"}