A targeted ContextTool call, handed from the proxy to the runtime for validation and dispatch.
ContextTool
The verb to run — or 'open', which mounts the channel (and seeds it with Params).
'open'
Params
The verb's parameters (for 'open', the channel's open inputs).
The channel (and instance) being addressed.
A targeted
ContextToolcall, handed from the proxy to the runtime for validation and dispatch.