When passing the onprogress method, the content passed in _meta will be lost. #559
Description
this is right，the _meta could be passed to the svr
client?.callTool({
name: toolName,
arguments: input as Record<string, unknown>,
_meta: {
__test: 'test',
},
}, CallToolResultSchema, {}})
however:
client?.callTool({
name: toolName,
arguments: input as Record<string, unknown>,
_meta: {
__test: 'test',
},
}, CallToolResultSchema, {
onprogress: (progress: any) => {
}
}})
_meta disappeared...
