Run turnstone-console alongside the server

Console (cluster dashboard + admin panel) starts as a background
daemon under marvin on :8090, sharing the same config.toml and SQLite
DB (WAL multi-writer). Forwarded via run.sh and exposed through
tailcat; same login as the server.

README.md

@@ -51,6 +51,9 @@ scripts/run.sh
 
 - Web UI: <http://localhost:8080> (login `marvin` / `marvin-turnstone`
   unless `ADMIN_PASSWORD` was overridden — change it)
+- Console (admin panel + usage/verdicts/audit/settings): port 8090,
+  same login — shares the DB with the server, so workstreams, tools,
+  judges, policies, and settings are managed dynamically
 - Ops SSH: `ssh -i configs/ssh/id_ed25519 -p 2222 marvin@localhost`
 - QEMU runs foreground; quit with `ctrl-a x`