- Implement ASTQueryAPI class with tree walking, JSON output,
findNodesByType, findNodesByProperty, findNodesWithAnnotation
- Add nlohmann_json link for step60_test in CMakeLists.txt
- Add PROGRESS.md for cross-session continuity tracking
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Tests ASTQueryAPI: getAST returns JSON, findNodesByType for Functions/
Parameters/VariableReferences, findNodesByProperty by name,
findNodesWithAnnotation, and getSubtree with depth limit.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>