Retrieves a component by its ID.
Successful Response
The ID of the component
The type of the component
The label of the component
A description of the component
The generated component content
SVG rendering of the chart (for matplotlib charts only)
Grounding metadata (bounding boxes, detections)
Component metadata (includes processed_image_url for charts)
Global confidence score (0.0-1.0) for flowchart generation quality