- New sandbox: Phase1Example.sandbox with proper module descriptor
- Test model: Phase1Test.mps with minimal Phase 1 concept usage
- Registry includes Module and Variable with proper child relationships
- Child relationships mapped: variables (2Ks9RG) and functions (2Ks9RH)
- Simple structure: Module containing one Variable
Avoids complex nested structures to focus on verifying basic concept resolution.
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>