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Carve the platform super-admin API (/admin-api) and plaza operations console API (/api/ops/v1) out of the public server.mjs into their own process, so the user-facing fleet can no longer be taken down or scaled by back-office traffic. Architecture (split-ready, single process for now): - admin-routes.mjs: createAdminApi / createOpsApi route factories (DI, single source of truth; the route logic moved verbatim out of server.mjs). - admin-bootstrap.mjs: lean service container (user-auth, LLM providers, minimal plaza graph) with no user-facing daemons. - admin-server.mjs: standalone entry with a console registry. ADMIN_CONSOLES selects which consoles a process mounts (default both), so splitting into two processes later is a config change, not a code change. - admin-guard.mjs (+ tests): per-console host / IP-CIDR allowlists, letting the super-admin surface be locked down harder than moderation. server.mjs no longer serves or mounts either surface. user-auth.mjs gains pagination on listUsers/listUsageRecords/listBillingLedger to back the admin dashboards. dev.mjs launches memind_adm; the ops SPA proxies /api to it while /auth stays on the portal. Sessions are read from the shared cookie (H5_COOKIE_DOMAIN=.tkmind.cn); login stays on the main domain. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>