Operator agent: one view of the console

For the operator's agent credential (a personal token flagged by the installation's operator, see cloud/docs/ops-contract.md); every other caller receives 404 NOT_FOUND. view is people, accounts (the workspaces), requests or proposals; lens is one of that view's lenses (400 naming them when it is another; the first is the default); q keeps the rows with a text cell that contains it, in any case. At most 200 rows; total counts the lens, or the rows kept when q is given.