- Reference BuildPlan spec items in test names (BuildPlan_3.1, BuildPlanFile_1, etc.)
- Add missing test cases for BuildPlan spec requirements:
- BuildPlanFile_2: each object matches exactly one unique object
- BuildPlan_5: fields in 'a' must exist in 'b'
- BuildPlan_6.1-6.3: null/empty/missing field equivalence
- BuildPlanValid_1-2: duplicate objects and same metadata.name
- Implement null/empty/missing field equivalence (spec 6)
- Add normalizeStructure() to handle spec 6 requirements
- Ensure null, [], and missing fields are treated as equivalent
- Update test messages to clarify spec coverage intent
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
