Is your feature request related to a problem? Please describe.

A CLI and scripts for inspecting graphs.

Describe the solution you'd like

The tools implemented should provide figures depicting:

• The nodes distribution.
• The edges for each subgraph (encoder, processor and decoder edges).
• Distribution of the node & edge attributes.
• Distribution of the orphan nodes.

The CLI should follow a similar syntax to other anemoi tools,

anemoi-graphs inspect graph.pt

Describe alternatives you've considered

We could use matplotlib to save the figures as PNG files, but we would lose the interactivity, that is very useful for debugging while designing the graphs.

Additional context

No response

Organisation

ECMWF