feat(multiplayer): run leased allocator worker

multiplayer-next.md

@@ -65,8 +65,9 @@ product policy are in [`docs/MATCHMAKING.md`](docs/MATCHMAKING.md).
   persisted compatibility tuple, to fence allocator replicas before provider
   calls; allocator-facing roster
   publication now requires an allocated endpoint and verifies canonical
-  join-authorisation signatures before exposing player rows; allocator runtime
-  wiring and live Agones integration remain.
+  join-authorisation signatures before exposing player rows; `cmd/allocator`
+  now polls these claims and drives provider allocation/reconciliation/binding;
+  interrupted-provider reconciliation and live Agones integration remain.
 - [ ] **IN PROGRESS:** Run the Go control plane against PostgreSQL/Redis with
   independently runnable API, matcher, allocator and maintenance roles. The
   `cmd/control-plane` API role now opens PostgreSQL, applies migrations, wires
@@ -74,10 +75,12 @@ product policy are in [`docs/MATCHMAKING.md`](docs/MATCHMAKING.md).
   down gracefully; optional `--redis-addr` publishes queue mutations to a
   TTL-bound best-effort candidate projection without making Redis authoritative;
   a runnable casual `cmd/matcher` role now polls PostgreSQL and delegates
-  proposal claims to the durable transaction; `cmd/maintenance` now runs
+  proposal claims to the durable transaction; `cmd/allocator` now polls leased
+  allocating matches and invokes Agones through the durable allocator boundary;
+  `cmd/maintenance` now runs
   bounded ranked-season rollover batches with signal-bound shutdown;
-  provider-backed allocation, allocator runtime wiring, Redis failover and live
-  service checks remain.
+  interrupted-provider reconciliation, Redis failover and live service checks
+  remain.
 - [ ] **IN PROGRESS:** Define assignment compatibility and opt-in `ServerConfig`
   flags whose defaults reproduce the community-server path. Allocation manifest
   validation now covers client build and future expiry; allocated servers now