`assign-schedule-type` is registered in CommandSurface() as a Group, so
the default branch of main()'s switch picks it up via findGroup() and
hands it to handleGroup. handleGroup then treats args[0] (the agent-id)
as a subcommand name, fails findSubCommand, and errors:
unknown assign-schedule-type subcommand: <agent-id>
The group has no subcommands — it's a leaf — so the call never reaches
handleAssignScheduleType. Add an explicit top-level case before the
default branch so the leaf bypasses the group dispatcher.
Pre-fix repro:
$ AGENT_ID=ard hf assign-schedule-type analyst1 standard
unknown assign-schedule-type subcommand: analyst1
Post-fix:
$ AGENT_ID=ard CLAW_IDENTIFIER=server-t2 hf assign-schedule-type analyst1 standard
Assigned schedule type 'standard' to agent 'analyst1'
Surfaced during recruitment workflow Step 5 on prod (sherlock/agent-resource-director).
