--format dot exists in the README but should be a first-class feature. A visual showing "function X changed → services A, B need rebuilding" is powerful for debugging and for selling the tool.
Acceptance criteria
buildgraph analyze --format dot outputs a valid DOT graph- Changed functions highlighted (color/style)
- Affected services clearly grouped
- Add example rendered SVG to README
--format dotexists in the README but should be a first-class feature. A visual showing "function X changed → services A, B need rebuilding" is powerful for debugging and for selling the tool.Acceptance criteria
buildgraph analyze --format dotoutputs a valid DOT graph