refactor: Remove hardcoded values

toju-app/src/app/infrastructure/realtime/ice-server-settings.service.ts

@@ -4,8 +4,8 @@ import {
   computed,
   type Signal
 } from '@angular/core';
+import { environment } from '../../../environments/environment';
 import { STORAGE_KEY_ICE_SERVERS } from '../../core/constants';
-import { ICE_SERVERS } from './realtime.constants';
 
 export interface IceServerEntry {
   id: string;
@@ -15,7 +15,7 @@ export interface IceServerEntry {
   credential?: string;
 }
 
-const DEFAULT_ENTRIES: IceServerEntry[] = ICE_SERVERS.map((server, index) => ({
+const DEFAULT_ENTRIES: IceServerEntry[] = environment.realtime.defaultIceServers.map((server, index) => ({
   id: `default-stun-${index}`,
   type: 'stun' as const,
   urls: Array.isArray(server.urls) ? server.urls[0] : server.urls

toju-app/src/app/infrastructure/realtime/realtime.constants.ts

@@ -5,14 +5,6 @@ import type { LatencyProfile } from '../../shared-kernel';
  * Centralised here so nothing is hard-coded inline.
  */
 
-export const ICE_SERVERS: RTCIceServer[] = [
-  { urls: 'stun:stun.l.google.com:19302' },
-  { urls: 'stun:stun1.l.google.com:19302' },
-  { urls: 'stun:stun2.l.google.com:19302' },
-  { urls: 'stun:stun3.l.google.com:19302' },
-  { urls: 'stun:stun4.l.google.com:19302' }
-];
-
 /** Base delay (ms) for exponential backoff on signaling reconnect */
 export const SIGNALING_RECONNECT_BASE_DELAY_MS = 1_000;
 /** Maximum delay (ms) between signaling reconnect attempts */