- Extend CoreMethodId with is_pure(), allowed_in_condition(), allowed_in_init() - New MethodCallLowerer box for metadata-driven MethodCall lowering - Integrate MethodCall handling in condition_lowerer - P0: Zero-argument methods (length) supported - Design principle: NO method name hardcoding, CoreMethodId metadata only 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>