Add recoverable administrator room removal and restoration

Preserve room JSON, seats, credentials and messages while removed rooms deny ordinary reads and writes. Add deliberate room-scoped controls, removed-directory filters, persistent player notices and live-authorized atomic version/revision audit receipts. Retain uncertain room/seat requests and hidden recovery drafts through removal; restore the prior pause/join settings without reviving revoked credentials.

Fix AI readiness after a joining human or human faction change so real lobby starts remain legal.

Verified types, lint, 5314 offline tests, 52 HTTP tests and build. Fourteen authenticated HTTP groups and independent privacy/persistence review passed. Desktop/mobile browser QA confirmed a saved removal after a lost response and refresh, one audit on exact retry, persistent notices and recovery draft continuity. All 1,945 baseline rooms, 4,121 seats and related records preserved. Positive authenticated production admin acceptance remains pending authorized QA operator access; full admin and rules gates remain open.

docs/ADMIN_PANEL.md

@@ -12,7 +12,7 @@ recovery and persistence systems where suitable.
 | Administrator access | Personal access keys, server-enforced owner/operator/viewer roles, persistent eight-hour sessions, individual/all-session sign-out and operator provisioning/revocation. A room host is not a site administrator. Account-management UI and further operational permissions remain. | Prototyped |
 | Room directory | Search room codes/public player names, filter status/rules/availability, sort and paginate; show host, roster, modules, game change time, pause/join flags and bounded decision ownership. Detailed setup/shared-window ownership remains. | Prototyped |
 | Create and configure | [Create a lobby](ADMIN_ROOM_CREATION.md) with an explicitly owned new host seat, Basic/Advanced preview and initial AI configuration; invite humans and use ordinary lobby controls/voluntary host-seat handover. [Neutral lobby configuration](ADMIN_LOBBY_CONFIGURATION.md) adds rules/modules, AI seats and host assignment to an existing human without private access. Reserved human seats remain. | Prototyped, partial |
-| Lifecycle and removal | [Pause/resume and joining locks](ADMIN_ROOM_CONTROLS.md) have controls, durable audit, exact retries and player/AI enforcement. Close/end, archive, restore and recoverable/permanent removal remain missing. | Prototyped, partial |
+| Lifecycle and removal | [Pause/resume and joining locks](ADMIN_ROOM_CONTROLS.md), plus [recoverable removal/restoration](ADMIN_ROOM_REMOVAL.md), have controls, durable audit, exact retries and player/AI enforcement. Close/end, archive, permanent deletion and bulk actions remain missing. | Prototyped, partial |
 | Participant support | Remove disruptive participants or revoke access, manage appropriate restrictions, assist saved-seat recovery and host reassignment, and use supported AI takeover/replacement without losing forces, cards or decisions. | Missing |
 | Saved-game operations | Create/list/download backups, validate imports, restore a selected checkpoint safely, and diagnose or resume interrupted automatic work through authoritative game actions. | Missing |
 | Operations and audit | Show server/build/storage health, room/player counts and actionable errors; provide maintenance controls and a searchable record of administrator actions. | Missing |
@@ -40,6 +40,9 @@ Owners/operators can also [create a configured lobby](ADMIN_ROOM_CREATION.md),
 with explicit new-host ownership and saved exact retries.
 [Configure lobby](ADMIN_LOBBY_CONFIGURATION.md) changes supported rules, AI seats
 and the host without granting private seat access.
+[Remove or restore](ADMIN_ROOM_REMOVAL.md) blocks ordinary room access while
+preserving the game, seats and access revocations. Use the Directory filter to
+find removed rooms; restoration retains prior pause and joining settings.
 Disabling an account invalidates its sessions; later re-enabling it cannot restore
 them. The database refuses to disable, demote or delete the final enabled owner.
 No default key, public account creation or host-to-administrator promotion exists.
@@ -109,7 +112,9 @@ authentication, cookie properties, ordinary-host denial, directory privacy,
 session revocation and unchanged game/seat continuation. Operator/owner QA keys
 also create dedicated rooms for joining locks, pause/takeback/resume,
 administrator creation, invitations, voluntary host handover and neutral lobby
-configuration with existing-human host assignment and a real game start. Private reports retain
+configuration with existing-human host assignment and a real game start. They
+also remove/restore a separate QA game, preserving its paused state, discussion,
+saved seats and revoked credentials. Private reports retain
 room IDs and safe outcomes, never keys/cookies. The container verifier provisions
 its own disposable QA account and checks admin-session continuity across restart
 and replacement, followed by the HTTP flow and HTTPS-proxy cookie behavior.