Rescued from the uncommitted working tree on main. Not reviewed, not
tested against the network:
- PUBLISH_WAIT 180s -> 420s (Arti's per-HsDir upload timeout is 5m)
- CBT_MIN_TIMEOUT_MSEC = 10_000 via override_net_params cbtmintimeout
- status line now prints elapsed/publish-wait and current_problem()
- tests/tor_hs.rs adjusted to match