feat: Add TURN server support

toju-app/src/app/infrastructure/realtime/media/media.manager.ts

@@ -10,6 +10,7 @@ import { LatencyProfile } from '../realtime.constants';
 import { PeerData } from '../realtime.types';
 import { WebRTCLogger } from '../logging/webrtc-logger';
 import { NoiseReductionManager } from './noise-reduction.manager';
+import { loadVoiceSettingsFromStorage } from '../../../domains/voice-session/infrastructure/util/voice-settings-storage.util';
 import {
   TRACK_KIND_AUDIO,
   TRACK_KIND_VIDEO,
@@ -105,6 +106,12 @@ export class MediaManager {
     private callbacks: MediaManagerCallbacks
   ) {
     this.noiseReduction = new NoiseReductionManager(logger);
+
+    // Read the persisted noise-reduction preference so enableVoice()
+    // uses the correct value even before voice-controls loads.
+    try {
+      this._noiseReductionDesired = loadVoiceSettingsFromStorage().noiseReduction;
+    } catch { /* keep default */ }
   }
 
   /**
@@ -226,7 +233,7 @@ export class MediaManager {
         : stream;
 
       // Apply input gain (mic volume) before sending to peers
-      this.applyInputGainToCurrentStream();
+      await this.applyInputGainToCurrentStream();
 
       this.logger.logStream('localVoice', this.localMediaStream);
 
@@ -296,7 +303,7 @@ export class MediaManager {
     }
 
     // Apply input gain (mic volume) before sending to peers
-    this.applyInputGainToCurrentStream();
+    await this.applyInputGainToCurrentStream();
 
     this.bindLocalTracksToAllPeers();
     this.isVoiceActive = true;
@@ -447,7 +454,7 @@ export class MediaManager {
     }
 
     // Re-apply input gain to the (possibly new) stream
-    this.applyInputGainToCurrentStream();
+    await this.applyInputGainToCurrentStream();
 
     // Propagate the new audio track to every peer connection
     this.bindLocalTracksToAllPeers();
@@ -479,8 +486,7 @@ export class MediaManager {
     }
 
     if (this.localMediaStream) {
-      this.applyInputGainToCurrentStream();
-      this.bindLocalTracksToAllPeers();
+      void this.applyInputGainToCurrentStream().then(() => this.bindLocalTracksToAllPeers());
     }
   }
 
@@ -840,12 +846,22 @@ export class MediaManager {
    * If a gain pipeline already exists for the same source stream the gain
    * value is simply updated.  Otherwise a new pipeline is created.
    */
-  private applyInputGainToCurrentStream(): void {
+  private async applyInputGainToCurrentStream(): Promise<void> {
     const stream = this.localMediaStream;
 
     if (!stream)
       return;
 
+    // When gain is unity (1.0) skip the Web Audio pipeline entirely and
+    // use the raw microphone stream.  This avoids unnecessary AudioContext
+    // overhead when no volume adjustment is needed.
+    if (this.inputGainVolume === 1.0) {
+      this.teardownInputGain();
+      this.preGainStream = stream;
+      this.applyCurrentMuteState();
+      return;
+    }
+
     // If the source stream hasn't changed, just update gain
     if (this.preGainStream === stream && this.inputGainNode && this.inputGainCtx) {
       this.inputGainNode.gain.value = this.inputGainVolume;
@@ -855,9 +871,15 @@ export class MediaManager {
     // Tear down the old pipeline (if any)
     this.teardownInputGain();
 
-    // Build new pipeline:  source → gain → destination
+    // Build new pipeline:  source -> gain -> destination
     this.preGainStream = stream;
     this.inputGainCtx = new AudioContext();
+
+    // Ensure the AudioContext is running before connecting nodes.
+    if (this.inputGainCtx.state !== 'running') {
+      await this.inputGainCtx.resume();
+    }
+
     this.inputGainSourceNode = this.inputGainCtx.createMediaStreamSource(stream);
     this.inputGainNode = this.inputGainCtx.createGain();
     this.inputGainNode.gain.value = this.inputGainVolume;

toju-app/src/app/infrastructure/realtime/media/noise-reduction.manager.ts

@@ -7,9 +7,9 @@
  * a clean output stream that can be sent to peers instead.
  *
  * Architecture:
- *   raw mic → AudioContext.createMediaStreamSource
- *             → NoiseSuppressorWorklet (AudioWorkletNode)
- *             → MediaStreamDestination → clean MediaStream
+ *   raw mic -> AudioContext.createMediaStreamSource
+ *             -> NoiseSuppressorWorklet (AudioWorkletNode)
+ *             -> MediaStreamDestination -> clean MediaStream
  *
  * The manager is intentionally stateless w.r.t. Angular signals;
  * the owning MediaManager / WebRTCService drives signals.
@@ -138,7 +138,7 @@ export class NoiseReductionManager {
 
   /**
    * Build the AudioWorklet processing graph:
-   *   rawStream → source → workletNode → destination
+   *   rawStream -> source -> workletNode -> destination
    */
   private async buildProcessingGraph(rawStream: MediaStream): Promise<void> {
     // Reuse or create the AudioContext (must be 48 kHz for RNNoise)