8 changed files with 85 additions and 352 deletions
--- a/.env.example
+++ b/.env.example
@ -69,7 +69,3 @@ MICROSOFT_CLIENT_ID=
 MICROSOFT_CLIENT_SECRET=
 MICROSOFT_REDIRECT_URI="${APP_URL}/auth/microsoft/callback"
 MICROSOFT_TENANT_ID=common
-
-# Metered TURN Server Credentials
-METERED_URL=
-METERED_KEY=
--- a/app/Http/Controllers/IceServerController.php
+++ b/app/Http/Controllers/IceServerController.php
@ -1,71 +0,0 @@
-<?php
-namespace App\Http\Controllers;
-
-use Illuminate\Http\JsonResponse;
-use Illuminate\Support\Facades\Auth;
-use Illuminate\Support\Facades\Http;
-use Illuminate\Support\Facades\Log;
-
-class IceServerController extends Controller
-{
-    public function __invoke(): JsonResponse
-    {
-        if (!Auth::check() && !session()->has('candidate_interview_id')) {
-            return response()->json(['error' => 'Unauthenticated access.'], 401);
-        }
-
-        try {
-            $baseUrl = config(
-                "services.metered.url",
-                env('METERD_URL', 'https://single-login-system.metered.live/api/v1/turn/credentials')
-            );
-            $apiKey = config(
-                "services.metered.key",
-                env('METERED_KEY', 'ffc9146ac5c2f75d83d7c679d8553a21c8fa')
-            );
-
-            $url = $baseUrl;
-            if ($apiKey && !str_contains($url, "apiKey=")) {
-                $separator = str_contains($url, "?") ? "&" : "?";
-                $url .= $separator . "apiKey=" . urlencode($apiKey);
-            }
-
-            $response = Http::timeout(5)->get($url);
-
-            if ($response->successful()) {
-                return response()->json($response->json());
-            }
-
-            Log::error(
-                "Metered API error response",
-                [
-                    "status" => $response->status(),
-                    "body" => $response->body(),
-                ],
-            );
-
-            return response()->json(
-                [
-                    "error" => "Failed to fetch ICE servers",
-                    "status" => $response->status(),
-                ],
-                $response->status() >= 400 && $response->status() < 600
-                    ? $response->status()
-                    : 500,
-            );
-        } catch (\Throwable $e) {
-            Log::error(
-                "ICE servers fetch exception: " . $e->getMessage(),
-            );
-
-            return response()->json(
-                [
-                    "error" => "An error occurred while fetching ICE servers.",
-                    "message" => $e->getMessage(),
-                ],
-                500,
-            );
-        }
-    }
-}
-
--- a/config/services.php
+++ b/config/services.php
@ -42,9 +42,4 @@
        'tenant' => env('MICROSOFT_TENANT_ID', env('MICROSOFT_GRAPH_TENANT_ID', 'common')),
    ],

-    'metered' => [
-        'url' => env('METERED_URL'),
-        'key' => env('METERED_KEY'),
-    ],
-
 ];
--- a/resources/js/app.js
+++ b/resources/js/app.js
@ -1,10 +1 @@
-import { getMeteredIceServers, initMeteredIceServers, globalIceServers } from './metered.js';
-
-window.globalIceServers = globalIceServers;
-window.getMeteredIceServers = getMeteredIceServers;
-window.initMeteredIceServers = initMeteredIceServers;
-
-// Pre-fetch TURN credentials immediately on app boot
-if (typeof window !== 'undefined') {
-    window.getMeteredIceServers();
-}
+//
--- a/resources/js/metered.js
+++ b/resources/js/metered.js
@ -1,54 +0,0 @@
-/**
- * Metered TURN Server Integration
- */
-
-let globalIceServers = [
-    { urls: 'stun:stun.l.google.com:19302' }
-];
-let meteredIceFetchPromise = null;
-
-/**
- * Fetch ICE servers from /ice-servers endpoint and merge with default STUN server.
- * Handles network errors gracefully with fallback.
- * 
- * @returns {Promise<Array>} Resolves with the array of ICE server objects.
- */
-export function getMeteredIceServers() {
-    if (meteredIceFetchPromise) return meteredIceFetchPromise;
-
-    meteredIceFetchPromise = fetch('/ice-servers', {
-        headers: {
-            'Accept': 'application/json',
-            'X-Requested-With': 'XMLHttpRequest'
-        }
-    })
-        .then(response => {
-            if (!response.ok) {
-                throw new Error(`Failed to fetch ICE servers: HTTP status ${response.status}`);
-            }
-            return response.json();
-        })
-        .then(meteredIce => {
-            if (Array.isArray(meteredIce) && meteredIce.length > 0) {
-                globalIceServers = [
-                    { urls: 'stun:stun.l.google.com:19302' },
-                    ...meteredIce.slice(0, 3)
-                ];
-            }
-            window.globalIceServers = globalIceServers;
-            return globalIceServers;
-        })
-        .catch(e => {
-            console.warn('Metered TURN fetch warning:', e);
-            window.globalIceServers = globalIceServers;
-            return globalIceServers;
-        });
-
-    return meteredIceFetchPromise;
-}
-
-export function initMeteredIceServers() {
-    return getMeteredIceServers();
-}
-
-export { globalIceServers };
--- a/resources/views/interview/candidate_room.blade.php
+++ b/resources/views/interview/candidate_room.blade.php
@ -10,16 +10,13 @@
    <link href="https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600&family=Instrument+Sans:wght@400;500;600;700&family=Outfit:wght@500;600;700&display=swap" rel="stylesheet">
    <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>

-    <!-- PeerJS, Metered SDK, SweetAlert2 & html2canvas -->
+    <!-- Monaco Code Editor Loader & PeerJS Realtime WebRTC Call & SweetAlert2 -->
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.45.0/min/vs/loader.min.js"></script>
    <script src="https://unpkg.com/peerjs@1.5.2/dist/peerjs.min.js"></script>
    <script src="//cdn.metered.ca/sdk/video/1.4.6/sdk.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/sweetalert2@11"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/html2canvas/1.4.1/html2canvas.min.js"></script>

-    <!-- Monaco Code Editor Loader (loaded after UMD libraries to prevent define.amd conflicts) -->
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.45.0/min/vs/loader.min.js"></script>
-
-
    <style>
        :root {
            --bg-color: #080c14;
@ -416,10 +413,8 @@
    </div>

    <script>
-        var callSigChannel = null;
        let editor;
        let interviewId = {{ $interview->id }};
-
        let mediaRecorder;
        let recordedChunks = [];
        let previousFrameData = null;
@ -565,27 +560,10 @@ function submitSolution() {

        let isTabSwitchScreenshotEnabled = true;
        let lastTabSwitchTime = 0;
-        let pendingNativePrompts = 0;          // counter for native OS prompts
-        let suppressFocusViolationsUntil = 0;  // trailing buffer after prompt resolves
-
-        function beginNativePrompt() {
-            pendingNativePrompts++;
-        }
-
-        function endNativePrompt() {
-            pendingNativePrompts = Math.max(0, pendingNativePrompts - 1);
-        }
-
-        function armTrailingBuffer(ms) {
-            suppressFocusViolationsUntil = Math.max(suppressFocusViolationsUntil, Date.now() + ms);
-        }
-
-        function isFocusSuppressed() {
-            return pendingNativePrompts > 0 || Date.now() < suppressFocusViolationsUntil;
-        }
        let latestCallStatus = '{{ $interview->call_status ?? "idle" }}';
        let screenShareVideoElem = null;

+        // Auto-initialize persistent offscreen video element for screen share capture
        // Auto-initialize persistent offscreen video element for screen share capture
        function getScreenShareVideoElement() {
            if (!screenShareVideoElem) {
@ -746,7 +724,6 @@ function uploadTabScreenshotBlob(imageData, reason = 'tab_switch') {

        // 1. Tab Switch Detection (Captures Candidate's SYSTEM DESKTOP MONITOR screenshot)
        document.addEventListener('visibilitychange', function () {
-            if (isFocusSuppressed()) return;
            if (document.hidden) {
                const now = Date.now();
                if (now - lastTabSwitchTime > 1000) {
@ -759,7 +736,6 @@ function uploadTabScreenshotBlob(imageData, reason = 'tab_switch') {

        // 2. Window Focus Loss / External AI Overlay Application Switch Detection
        window.addEventListener('blur', function () {
-            if (isFocusSuppressed()) return;
            const now = Date.now();
            if (now - lastTabSwitchTime > 1000) {
                lastTabSwitchTime = now;
@ -770,7 +746,6 @@ function uploadTabScreenshotBlob(imageData, reason = 'tab_switch') {

        // Mouse Viewport Departure (Candidate moving cursor outside window to interact with Parakeet AI or secondary app overlay)
        document.addEventListener('mouseleave', function () {
-            if (isFocusSuppressed()) return;
            const now = Date.now();
            if (now - lastTabSwitchTime > 2500) {
                lastTabSwitchTime = now;
@ -782,7 +757,7 @@ function uploadTabScreenshotBlob(imageData, reason = 'tab_switch') {
        // 3. Code Copy-Paste & Ingestion Detection
        document.addEventListener('paste', function (e) {
            logViolation('paste_event', 'Candidate pasted content into editor window (possible AI answer paste)');
-        }, true);
+        });

        // Question Selection / Copying Detection (Candidate copying questions to feed Parakeet AI)
        document.addEventListener('copy', function (e) {
@ -1315,28 +1290,36 @@ function safePlayMediaStream(videoElem, stream, isSelf = false) {
            }
        }

-        // Metered TURN Server Integration (Managed via window.getMeteredIceServers in app.js / metered.js)
-        let globalIceServers = window.globalIceServers || [
+        // Metered TURN Server Integration (Pre-fetched for seamless WebRTC P2P + TURN relay)
+        const METERED_CREDENTIALS_URL = "https://single-login-system.metered.live/api/v1/turn/credentials?apiKey=ffc9146ac5c2f75d83d7c679d8553a21c8fa";
+        let globalIceServers = [
            { urls: 'stun:stun.l.google.com:19302' }
        ];
+        let meteredIceFetchPromise = null;

        function initMeteredIceServers() {
-            if (typeof window.getMeteredIceServers === 'function') {
-                return window.getMeteredIceServers().then(servers => {
-                    if (Array.isArray(servers) && servers.length > 0) {
-                        globalIceServers = servers;
+            if (meteredIceFetchPromise) return meteredIceFetchPromise;
+            meteredIceFetchPromise = fetch(METERED_CREDENTIALS_URL)
+                .then(r => r.json())
+                .then(meteredIce => {
+                    if (Array.isArray(meteredIce) && meteredIce.length > 0) {
+                        globalIceServers = [
+                            { urls: 'stun:stun.l.google.com:19302' },
+                            ...meteredIce.slice(0, 3)
+                        ];
                    }
                    return globalIceServers;
+                })
+                .catch(e => {
+                    console.warn('Metered TURN fetch warning:', e);
+                    return globalIceServers;
                });
-            }
-            return Promise.resolve(globalIceServers);
+            return meteredIceFetchPromise;
        }

        // Initiate TURN credentials pre-fetch immediately
        initMeteredIceServers();

-
-
        let localMediaStream = null;
        let peerInstance = null;
        let candidatePeerConnection = null;
@ -1380,8 +1363,7 @@ function initMeteredIceServers() {
            }
        };

-        callSigChannel = new BroadcastChannel('webrtc_call_' + interviewId);
-
+        const callSigChannel = new BroadcastChannel('webrtc_call_' + interviewId);

        callSigChannel.onmessage = async (event) => {
            const msg = event.data;
@ -1571,8 +1553,6 @@ function startCandidateCameraStream() {
                autoGainControl: true
            };

-            beginNativePrompt();
-
            return navigator.mediaDevices.getUserMedia({
                video: {
                    width: { ideal: 1280 },
@ -1586,7 +1566,6 @@ function startCandidateCameraStream() {
            .catch(() => navigator.mediaDevices.getUserMedia({ video: false, audio: true }))
            .catch(() => navigator.mediaDevices.getUserMedia({ video: true, audio: false }))
            .then(stream => {
-                endNativePrompt();
                localMediaStream = stream;
                const vid = document.getElementById('webcam');
                if (vid) {
@ -1613,7 +1592,6 @@ function startCandidateCameraStream() {
                return stream;
            })
            .catch(err => {
-                endNativePrompt();
                console.log('Candidate media access error:', err);
                if (avatarPlaceholder) avatarPlaceholder.style.display = 'flex';
                initCandidatePeer();
@ -1625,11 +1603,20 @@ function startCandidateCameraStream() {

        // Prompt candidate to activate Entire Screen Proctoring Shield upon joining
        setTimeout(() => {
-            if (!screenShareStream) {
-                promptScreenShareRequired();
+            if (!screenShareStream && typeof Swal !== 'undefined') {
+                Swal.fire({
+                    icon: 'info',
+                    title: '🛡️ Parakeet AI & Overlay Detection Shield',
+                    text: 'To ensure assessment integrity and detect external AI overlay windows (such as Parakeet AI), Entire Screen sharing is required.',
+                    confirmButtonText: '🖥️ Enable Entire Screen Shield Now',
+                    allowOutsideClick: false
+                }).then((res) => {
+                    if (res.isConfirmed) {
+                        startScreenShare();
                    }
-        }, 1500);
-
+                });
+            }
+        }, 2000);

        function candidateLogoutAction() {
            if (typeof Swal !== 'undefined') {
@ -1754,17 +1741,6 @@ function toggleCam() {
            }
        }

-        function requestFullscreenAsPromise(elem) {
-            if (elem.requestFullscreen) {
-                return elem.requestFullscreen();
-            }
-            if (elem.webkitRequestFullscreen) {
-                elem.webkitRequestFullscreen();
-                return Promise.resolve();
-            }
-            return Promise.reject(new Error('Fullscreen not supported'));
-        }
-
        function requestProctoringFullscreen() {
            try {
                const elem = document.documentElement;
@ -1777,7 +1753,6 @@ function requestProctoringFullscreen() {
        }

        document.addEventListener('fullscreenchange', function() {
-            if (isFocusSuppressed()) return;
            if (!document.fullscreenElement) {
                logViolation('tab_switch', 'Candidate exited full-screen proctoring mode (possible overlay AI window interaction)');
                captureAndUploadTabScreenshot();
@ -1811,60 +1786,12 @@ function initLiveOverlayDetector() {
            }, 2000);
        }

-        function promptScreenShareRequired(reasonMessage) {
-            if (screenShareStream && screenShareStream.active) return;
-
-            const messageHtml = reasonMessage ? `
-                <div class="text-center">
-                    <p style="color: #ef4444; font-weight: 600; margin-bottom: 12px;">
-                        ${reasonMessage}
-                    </p>
-                    <p style="margin-bottom: 12px; color:1D2A36;">
-                        Screen sharing is <strong>mandatory</strong>.
-                    </p>
-                    <p style="font-size: 0.85rem; color: #94a3b8;">
-                        When prompted by your browser, select <strong>Entire Screen</strong> and click <strong>Share</strong>.
-                    </p>
-                </div>
-            ` : `
-                <div class="text-center">
-                    <p style="margin-bottom: 12px; color: #1D2A36;">
-                        Before you begin, please share your <strong>entire screen</strong>.
-                    </p>
-                    <p style="font-size: 0.85rem; color: #94a3b8;">
-                        When prompted by your browser, select <strong>Entire Screen</strong> and click <strong>Share</strong>.
-                    </p>
-                </div>
-            `;
-
-            if (typeof Swal !== 'undefined') {
-                Swal.fire({
-                    icon: 'warning',
-                    title: 'Screen Sharing Required',
-                    html: messageHtml,
-                    confirmButtonText: 'Share Entire Screen Now',
-                    confirmButtonColor: '#6366f1',
-                    allowOutsideClick: false,
-                    allowEscapeKey: false
-                }).then((res) => {
-                    if (res.isConfirmed) {
-                        startScreenShare();
-                    }
-                });
-            } else {
-                alert((reasonMessage ? (reasonMessage + ' ') : '') + 'Screen sharing is required. Please select Entire Screen when prompted.');
-                startScreenShare();
-            }
-        }
-
        function startScreenShare() {
            if (!navigator.mediaDevices.getDisplayMedia) {
                alert('Screen sharing is not supported on your browser.');
                return;
            }

-            beginNativePrompt();
-
            navigator.mediaDevices.getDisplayMedia({
                video: {
                    displaySurface: 'monitor'
@ -1872,29 +1799,25 @@ function startScreenShare() {
                audio: false
            })
            .then(stream => {
-                endNativePrompt();
                const track = stream.getVideoTracks()[0];
                const settings = track.getSettings ? track.getSettings() : {};

-                // Enforce ENTIRE SCREEN share
+                // Enforce ENTIRE SCREEN share for Parakeet AI overlay detection
                if (settings.displaySurface && settings.displaySurface !== 'monitor') {
                    if (typeof Swal !== 'undefined') {
                        Swal.fire({
                            icon: 'warning',
-                            title: 'Entire Screen Share Required',
-                            text: 'You selected a single tab or window. You MUST select "Entire Screen".',
-                            confirmButtonText: 'Reshare Entire Screen',
-                            confirmButtonColor: '#6366f1',
-                            allowOutsideClick: false,
-                            allowEscapeKey: false
+                            title: '⚠️ Entire Screen Share Required',
+                            text: 'You selected a single tab or window. To detect overlay AI assistants (such as Parakeet AI) and ensure proctoring integrity, you MUST select "Entire Screen".',
+                            confirmButtonText: '🖥️ Reshare Entire Screen'
                        }).then(() => {
                            track.stop();
-                            setTimeout(startScreenShare, 300);
+                            setTimeout(startScreenShare, 500);
                        });
                    } else {
-                        alert('Entire Screen share is required. Please select Entire Screen.');
+                        alert('Entire Screen share is required for proctoring overlay detection. Please select Entire Screen.');
                        track.stop();
-                        setTimeout(startScreenShare, 300);
+                        setTimeout(startScreenShare, 500);
                    }
                    return;
                }
@ -1906,17 +1829,11 @@ function startScreenShare() {

                const btn = document.getElementById('share-screen-btn');
                if (btn) {
-                    btn.innerText = '🟢 Entire Screen Sharing Active';
+                    btn.innerText = '🟢 Entire Screen Sharing Active (Parakeet AI Shield ON)';
                    btn.style.background = '#10b981';
                }

-                beginNativePrompt();
-                requestFullscreenAsPromise(document.documentElement)
-                    .catch(() => {})
-                    .finally(() => {
-                        endNativePrompt();
-                        armTrailingBuffer(1000);
-                    });
+                requestProctoringFullscreen();

                // Connect screen stream to interviewer screen peer
                const screenPeer = new Peer('cand_screen_' + interviewId + '_' + Date.now());
@ -1925,27 +1842,20 @@ function startScreenShare() {
                });

                track.onended = () => {
-                    screenShareStream = null;
                    if (btn) {
                        btn.innerText = '🖥️ Share Screen with Interviewer';
                        btn.style.background = 'linear-gradient(135deg, #6366f1 0%, #0078d4 100%)';
                    }
                    logViolation('tab_switch', 'Candidate stopped screen sharing (proctoring screen share disabled)');
-                    promptScreenShareRequired('Screen sharing was stopped. You must share your Entire Screen to continue.');
                };

                initLiveOverlayDetector();
            })
            .catch(err => {
-                endNativePrompt();
-                console.log('Screen sharing cancelled/denied:', err);
-                screenShareStream = null;
-                logViolation('tab_switch', 'Candidate denied or cancelled screen sharing permission prompt');
-                promptScreenShareRequired('Screen sharing permission was denied or cancelled.');
+                console.log('Screen sharing cancelled:', err);
            });
        }

-
        function analyzeCameraFrame() {
            const video = document.getElementById('webcam');
            const canvas = document.getElementById('proctor-canvas');
--- a/resources/views/interview/index.blade.php
+++ b/resources/views/interview/index.blade.php
@ -844,7 +844,6 @@
    </style>

    <script>
-        var interviewerSigChannel = null;
        let currentInterviewId = null;
        let interviewerPeer = null;
        let screenReceiverPeer = null;
@ -1687,28 +1686,36 @@ function blockCandidateAction() {
            }
        }

-        // Metered TURN Server Integration (Managed via window.getMeteredIceServers in app.js / metered.js)
-        let globalIceServers = window.globalIceServers || [
+        // Metered TURN Server Integration (Pre-fetched for seamless WebRTC P2P + TURN relay)
+        const METERED_CREDENTIALS_URL = "https://single-login-system.metered.live/api/v1/turn/credentials?apiKey=ffc9146ac5c2f75d83d7c679d8553a21c8fa";
+        let globalIceServers = [
            { urls: 'stun:stun.l.google.com:19302' }
        ];
+        let meteredIceFetchPromise = null;

        function initMeteredIceServers() {
-            if (typeof window.getMeteredIceServers === 'function') {
-                return window.getMeteredIceServers().then(servers => {
-                    if (Array.isArray(servers) && servers.length > 0) {
-                        globalIceServers = servers;
+            if (meteredIceFetchPromise) return meteredIceFetchPromise;
+            meteredIceFetchPromise = fetch(METERED_CREDENTIALS_URL)
+                .then(r => r.json())
+                .then(meteredIce => {
+                    if (Array.isArray(meteredIce) && meteredIce.length > 0) {
+                        globalIceServers = [
+                            { urls: 'stun:stun.l.google.com:19302' },
+                            ...meteredIce.slice(0, 3)
+                        ];
                    }
                    return globalIceServers;
+                })
+                .catch(e => {
+                    console.warn('Metered TURN fetch warning:', e);
+                    return globalIceServers;
                });
-            }
-            return Promise.resolve(globalIceServers);
+            return meteredIceFetchPromise;
        }

        // Initiate TURN credentials pre-fetch immediately
        initMeteredIceServers();

-
-
        function safePlayMediaStream(videoElem, stream, isSelf = false) {
            if (!videoElem || !stream) return;
            if (isSelf) {
@ -1807,8 +1814,7 @@ function zoomCandVideo(delta) {
        }

        let interviewerPeerConnection = null;
-        interviewerSigChannel = null;
-
+        let interviewerSigChannel = null;

        function initInterviewerSigChannel() {
            if (!currentInterviewId) return;
@ -2149,7 +2155,6 @@ function endCallForAll() {
        // --- SILENT CALL RECORDING ENGINE FOR INTERVIEWERS & ADMINS ---
        let adminMediaRecorder = null;
        let adminRecordedChunks = [];
-        let recAudioContext = null;

        function startCallRecording() {
            if (!currentInterviewId) {
@ -2161,60 +2166,29 @@ function startCallRecording() {
            let candidateStream = (candVid && candVid.srcObject) ? candVid.srcObject : null;
            let streamToRecord = new MediaStream();

-            // 1. Add Video Track (Candidate video or Interviewer fallback)
+            // Add live Candidate Video and Audio tracks
            if (candidateStream) {
-                candidateStream.getVideoTracks().forEach(track => {
+                candidateStream.getTracks().forEach(track => {
                    if (track.readyState === 'live') {
                        try { streamToRecord.addTrack(track); } catch(e) {}
                    }
                });
            }

-            if (streamToRecord.getVideoTracks().length === 0 && interviewerLocalStream) {
+            // Add Interviewer Local Microphone Audio track for 2-way call recording
+            if (interviewerLocalStream) {
+                interviewerLocalStream.getAudioTracks().forEach(track => {
+                    if (track.readyState === 'live' && !streamToRecord.getAudioTracks().includes(track)) {
+                        try { streamToRecord.addTrack(track); } catch(e) {}
+                    }
+                });
+                if (streamToRecord.getVideoTracks().length === 0) {
                    interviewerLocalStream.getVideoTracks().forEach(track => {
                        if (track.readyState === 'live') {
                            try { streamToRecord.addTrack(track); } catch(e) {}
                        }
                    });
                }
-
-            // 2. Mix Multiple Audio Tracks into a SINGLE Audio Track via Web Audio API
-            // (MediaRecorder standard throws DOMException if streamToRecord has >1 audio track)
-            const candAudioTracks = candidateStream ? candidateStream.getAudioTracks().filter(t => t.readyState === 'live') : [];
-            const adminAudioTracks = interviewerLocalStream ? interviewerLocalStream.getAudioTracks().filter(t => t.readyState === 'live') : [];
-
-            if (candAudioTracks.length > 0 || adminAudioTracks.length > 0) {
-                try {
-                    const AudioContextClass = window.AudioContext || window.webkitAudioContext;
-                    if (recAudioContext) {
-                        try { recAudioContext.close(); } catch(e) {}
-                    }
-                    recAudioContext = new AudioContextClass();
-                    const audioDestination = recAudioContext.createMediaStreamDestination();
-
-                    if (candAudioTracks.length > 0) {
-                        const candAudioStream = new MediaStream(candAudioTracks);
-                        const candSource = recAudioContext.createMediaStreamSource(candAudioStream);
-                        candSource.connect(audioDestination);
-                    }
-
-                    if (adminAudioTracks.length > 0) {
-                        const adminAudioStream = new MediaStream(adminAudioTracks);
-                        const adminSource = recAudioContext.createMediaStreamSource(adminAudioStream);
-                        adminSource.connect(audioDestination);
-                    }
-
-                    const mixedAudioTrack = audioDestination.stream.getAudioTracks()[0];
-                    if (mixedAudioTrack) {
-                        streamToRecord.addTrack(mixedAudioTrack);
-                    }
-                } catch(e) {
-                    console.warn('Web Audio API mixing fallback:', e);
-                    const fallbackAudio = candAudioTracks[0] || adminAudioTracks[0];
-                    if (fallbackAudio) {
-                        try { streamToRecord.addTrack(fallbackAudio); } catch(err) {}
-                    }
-                }
            }

            const activeTracks = streamToRecord.getTracks().filter(t => t.readyState === 'live');
@ -2247,10 +2221,6 @@ function startCallRecording() {
                };

                adminMediaRecorder.onstop = function() {
-                    if (recAudioContext) {
-                        try { recAudioContext.close(); } catch(e) {}
-                        recAudioContext = null;
-                    }
                    if (adminRecordedChunks.length === 0) return;
                    const recMime = adminMediaRecorder.mimeType || 'video/webm';
                    const isMp4 = recMime.includes('mp4');
--- a/routes/web.php
+++ b/routes/web.php
@ -5,7 +5,6 @@
 use App\Http\Controllers\InterviewController;
 use App\Http\Controllers\LoginController;
 use App\Http\Controllers\OnboardingController;
-use App\Http\Controllers\IceServerController;
 use Illuminate\Support\Facades\Route;

 // Authentication & Portal landing
@ -40,11 +39,9 @@
 Route::post('/candidate/send-message/{id}', [InterviewController::class, 'candidateSendMessage'])->name('interview.candidate.send-message');
 Route::get('/candidate/poll/{id}', [InterviewController::class, 'getPollData'])->name('interview.candidate.poll');

-// Public Storage & Media Stream Delivery & ICE Servers
+// Public Storage & Media Stream Delivery (Recordings & Video Streaming)
 Route::get('/media-stream/{path}', [InterviewController::class, 'serveStorageFile'])->where('path', '.*')->name('media.stream');
 Route::get('/storage/{path}', [InterviewController::class, 'serveStorageFile'])->where('path', '.*')->name('storage.file');
-Route::get('/ice-servers', IceServerController::class)->name('ice-servers');
-

 // User Dashboard Portal (requires authenticated user)
 Route::middleware(['auth', 'role:user', 'verify-ms-session'])->group(function () {
@ -84,7 +81,6 @@
    Route::post('/interviews/{id}/toggle-tab-screenshot', [InterviewController::class, 'toggleTabScreenshot'])->name('interview.toggle-tab-screenshot');
 });

-
 // Admin Control Panel (requires admin role)
 Route::middleware(['auth', 'role:admin'])->prefix('controlpannel')->group(function () {
    Route::get('/', [AdminController::class, 'index'])->middleware('verify-ms-session');