feat: schedule-type CLI commands

- hf schedule-type list
- hf schedule-type create <name> --work <from>-<to> --entertainment <from>-<to>
- hf schedule-type delete <id>
- hf assign-schedule-type <agent-id> <schedule-type-name>

Requires schedule_type.read / schedule_type.manage permissions.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

internal/help/surface.go

@@ -180,6 +180,16 @@ func CommandSurface() []Group {
 				{Name: "api-key", Description: "Manage monitor API keys", Permitted: has(perms, "monitor.manage")},
 			},
 		},
+		{
+			Name:        "schedule-type",
+			Description: "Manage work/entertainment schedule types",
+			SubCommands: []Command{
+				{Name: "list", Description: "List schedule types", Permitted: has(perms, "schedule_type.read")},
+				{Name: "create", Description: "Create a schedule type", Permitted: has(perms, "schedule_type.manage")},
+				{Name: "delete", Description: "Delete a schedule type", Permitted: has(perms, "schedule_type.manage")},
+			},
+		},
+		{Name: "assign-schedule-type", Description: "Assign a schedule type to an agent: assign-schedule-type <agent-id> <type-name>", Permitted: has(perms, "schedule_type.manage")},
 	}
 
 	for i := range groups {