Maity: Board

cli: maity request forward and request claim (§13, §7)

tsk-0trww41spm7j done feature an agent

c47w in the review of #854: §13 has 'maity request forward <request> --to H|trust:admin [--reason R]' and 'request claim <request>' (POST …/requests/{id}/forward and …/claim, §7), but the CLI has neither; the group 'request' exists since #854. Add both, with tests and README lines. After #854.