better banning, new deter mute, replay discord fixes.

server/src/services/identityAdminService/index.js

@@ -11,6 +11,7 @@ const {
   removeUserSignal,
   setVerified,
   setDeterrence,
+  setMuted,
   setFeatureState,
   deleteFeatureState,
 } = require('../identityService');
@@ -103,6 +104,14 @@ io.on('connection', (socket) => {
     }).id),
   }));
 
+  ackHandler(socket, 'identityAdmin:setMuted', ({ userId, enabled }) => ({
+    user: getUserForAdmin(setMuted(userId, {
+      enabled: Boolean(enabled),
+      actor: socket?.data?.user?.username || socket.id,
+      at: Date.now(),
+    }).id),
+  }));
+
   ackHandler(socket, 'identityAdmin:updateFeatureState', ({ userId, namespace, value }) => {
     const normalized = normalizeFeaturePayload(namespace, value);
     setFeatureState(userId, normalized.namespace, normalized.value);