Добавлена оперативная и историческая статистика нод и узлов mnesia #22

src/eventhub_app.erl

@@ -3,7 +3,6 @@
 -export([start/2, stop/1]).
 
 start(_StartType, _StartArgs) ->
-  pg:start_link(),
   case infra_sup:start_link() of
     {ok, Pid} ->
       % Определяем список узлов кластера, если режим CLUSTER_MODE=true
@@ -109,6 +108,7 @@ start_admin_http() ->
       % ================== БАЗОВЫЕ ==================
       {"/admin/health", admin_handler_health, []},
       {"/v1/admin/stats", admin_handler_stats, []},
+      {"/v1/admin/nodes/metrics", admin_handler_node_metrics, []},
       {"/v1/admin/login", admin_handler_login, []},
       {"/v1/admin/refresh", admin_handler_refresh, []},
       % ================== ПОЛЬЗОВАТЕЛИ ==================
@@ -169,7 +169,10 @@ start_admin_http() ->
   cowboy:start_clear(ws, [{port, PortWs}], #{env => #{dispatch => WsDispatch}}),
 
   % WebSocket для админов
-  AdminWsDispatch = cowboy_router:compile([{'_', [{"/admin/ws", admin_ws_handler, []}]}]),
+  AdminWsDispatch = cowboy_router:compile([{'_', [
+    {"/admin/ws/metrics", admin_ws_handler, []},
+    {"/admin/ws", admin_ws_handler, []}
+  ]}]),
   PortAdminWs = get_env_int(admin_ws_port, 8446),
   cowboy:start_clear(admin_ws, [{port, PortAdminWs}], #{env => #{dispatch => AdminWsDispatch}}),