Get the cached Insights canvas for a task
Returns the cached CanvasDocV1 insights document for a task, if one has been generated.
Authorizations
JWT authentication token
Path Parameters
Task ID
Response
Cached Insights canvas (canvas may be null if none has been generated yet)
CanvasDocV1 insights document for the side panel, or null when none is available.
Present when canvas is null — why no canvas could be produced.
Generation state for the on-demand Insights canvas. generating means a background generation is in flight — poll this endpoint until it settles. ready means a canvas is available. idle means none is available yet; if a run produced nothing or failed, reason explains why and the client can retry.
idle, generating, ready 
