refactor(voice): drop the native only surface from voice_engine_v2 and narrow the desktop bridge (#1788)

2026-10-07 19:22:14 +09:00 · 2026-08-20 17:44:37 +02:00
parent 9731bac40f
commit 4f21430880
43 changed files with 196 additions and 3682 deletions
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: AGPL-3.0-or-later

-import type {VoiceEngineV2BridgeApi} from '@fluxer/voice_engine_v2/bridge';
+import type {VoiceEngineV2BridgeHardwareEncoderApi} from '@fluxer/voice_engine_v2/bridge';
 import type {
 	AuthenticationResponseJSON,
 	PublicKeyCredentialCreationOptionsJSON,
@@ -440,7 +440,7 @@ export interface ElectronAPI {
 	selectDisplayMediaSource: (requestId: string, sourceId: string | null, withAudio: boolean) => void;
 	virtmic: VirtmicApi;
 	nativeAudio: NativeAudioApi;
-	voiceEngine?: VoiceEngineV2BridgeApi;
+	voiceEngine?: VoiceEngineV2BridgeHardwareEncoderApi;
 }

 export type VirtmicUnavailableReason =
@@ -18,9 +18,9 @@ let pendingPromise: Promise<VoiceEngineV2HardwareEncoderCapabilities | null> | n

 function fetchCapabilities(): Promise<VoiceEngineV2HardwareEncoderCapabilities | null> {
 	if (!isDesktop()) return Promise.resolve(null);
-	const bridge = getElectronAPI()?.voiceEngine;
-	if (!bridge?.getHardwareEncoderCapabilities) return Promise.resolve(null);
-	return bridge
+	const voiceEngine = getElectronAPI()?.voiceEngine;
+	if (!voiceEngine?.getHardwareEncoderCapabilities) return Promise.resolve(null);
+	return voiceEngine
 		.getHardwareEncoderCapabilities()
 		.then((capabilities) => {
 			const normalized = normalizeVoiceEngineV2HardwareEncoderCapabilities(capabilities);
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: AGPL-3.0-or-later

-import type {VoiceEngineV2BridgeApi} from '@fluxer/voice_engine_v2/bridge';
+import type {VoiceEngineV2BridgeHardwareEncoderApi} from '@fluxer/voice_engine_v2/bridge';
 import type {AuthenticationResponseJSON, RegistrationResponseJSON} from '@simplewebauthn/browser';

 export type InputMonitoringPermissionStatus = 'granted' | 'denied' | 'not-determined' | 'unsupported';
@@ -490,7 +490,7 @@ export interface ElectronAPI {
 	virtmic?: VirtmicApi;
 	nativeAudio?: NativeAudioApi;
 	nativeScreenCapture?: NativeScreenCaptureApi;
-	voiceEngine?: VoiceEngineV2BridgeApi;
+	voiceEngine?: VoiceEngineV2BridgeHardwareEncoderApi;
 }

 export type VirtmicUnavailableReason =
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: AGPL-3.0-or-later

-import type {VoiceEngineV2BridgeApi} from '@fluxer/voice_engine_v2/bridge';
+import type {VoiceEngineV2BridgeHardwareEncoderApi} from '@fluxer/voice_engine_v2/bridge';
 import type {
 	AuthenticationResponseJSON,
 	PublicKeyCredentialCreationOptionsJSON,
@@ -777,7 +777,7 @@ export interface ElectronAPI {
 	virtmic: VirtmicApi;
 	nativeAudio: NativeAudioApi;
 	nativeScreenCapture: NativeScreenCaptureApi;
-	voiceEngine: VoiceEngineV2BridgeApi;
+	voiceEngine: VoiceEngineV2BridgeHardwareEncoderApi;
 	getDesktopSources: (
 		types: Array<'screen' | 'window'>,
 		requestId?: string,
@@ -5,7 +5,7 @@ import {createChildLogger} from '@electron/common/Logger';
 import {
 	normalizeVoiceEngineV2BridgeHardwareEncoderCapabilities,
 	unavailableVoiceEngineV2BridgeHardwareEncoderCapabilities,
-	VOICE_ENGINE_V2_IPC_CHANNELS,
+	VOICE_ENGINE_V2_HARDWARE_ENCODER_IPC_CHANNEL,
 	type VoiceEngineV2BridgeHardwareEncoderCapabilities,
 } from '@fluxer/voice_engine_v2/bridge';
 import {ipcMain} from 'electron';
@@ -56,13 +56,13 @@ export function registerNativeHardwareEncoderHandlers(): void {
 	if (handlersRegistered) return;
 	handlersRegistered = true;
 	ipcMain.handle(
-		VOICE_ENGINE_V2_IPC_CHANNELS.getHardwareEncoderCapabilities,
+		VOICE_ENGINE_V2_HARDWARE_ENCODER_IPC_CHANNEL,
 		(): VoiceEngineV2BridgeHardwareEncoderCapabilities => getHardwareEncoderCapabilities(),
 	);
 }

 export function cleanupNativeHardwareEncoderHandlers(): void {
 	if (!handlersRegistered) return;
-	ipcMain.removeHandler(VOICE_ENGINE_V2_IPC_CHANNELS.getHardwareEncoderCapabilities);
+	ipcMain.removeHandler(VOICE_ENGINE_V2_HARDWARE_ENCODER_IPC_CHANNEL);
 	handlersRegistered = false;
 }
@@ -60,15 +60,9 @@ import type {
 	VirtmicRoutingGraphResult,
 	VirtmicSystemLinkOptions,
 } from '@electron/common/Types';
-import type {
-	VoiceEngineV2BridgeApi,
-	VoiceEngineV2BridgeEvent,
-	VoiceEngineV2BridgeVideoFrame,
-} from '@fluxer/voice_engine_v2/bridge';
 import {
-	VOICE_ENGINE_V2_BRIDGE_VERSION,
-	VOICE_ENGINE_V2_EVENT_CHANNELS,
-	VOICE_ENGINE_V2_IPC_CHANNELS,
+	VOICE_ENGINE_V2_HARDWARE_ENCODER_IPC_CHANNEL,
+	type VoiceEngineV2BridgeHardwareEncoderApi,
 } from '@fluxer/voice_engine_v2/bridge';
 import type {
 	AuthenticationResponseJSON,
@@ -138,18 +132,6 @@ function validateNativeScreenCaptureLifecycleMessage(value: unknown): NativeScre
 		: {captureId, kind: kind as NativeScreenCaptureLifecycleEventKind, message, source};
 }

-interface VoiceEngineV2BridgeVideoFrameWire {
-	meta: VoiceEngineV2BridgeVideoFrame['meta'];
-	data: Uint8Array<ArrayBuffer>;
-}
-
-function videoFrameWireDataToArrayBuffer(data: Uint8Array<ArrayBuffer>): ArrayBuffer {
-	if (data.byteOffset === 0 && data.byteLength === data.buffer.byteLength) {
-		return data.buffer;
-	}
-	return data.buffer.slice(data.byteOffset, data.byteOffset + data.byteLength);
-}
-
 function clampZoomLevel(level: number): number {
 	if (!Number.isFinite(level)) return 1;
 	const pct = Math.round(level * 100);
@@ -758,71 +740,8 @@ const api: ElectronAPI = {
 		},
 	},
 	voiceEngine: {
-		bridgeVersion: VOICE_ENGINE_V2_BRIDGE_VERSION,
-		isSupported: () => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.isSupported),
-		getCapabilities: () => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.getCapabilities),
-		prewarm: () => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.prewarm),
-		getHardwareEncoderCapabilities: () =>
-			ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.getHardwareEncoderCapabilities),
-		connect: (options) => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.connect, options),
-		disconnect: () => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.disconnect),
-		isConnected: () => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.isConnected),
-		publishMicrophone: (options) => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.publishMicrophone, options),
-		pushPcm: (frame) => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.pushPcm, frame),
-		publishScreen: (options) => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.publishScreen, options),
-		updateScreenShareEncoding: (options) =>
-			ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.updateScreenShareEncoding, options),
-		unpublishScreen: () => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.unpublishScreen),
-		publishScreenAudio: (options) => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.publishScreenAudio, options),
-		pushScreenAudioPcm: (frame) => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.pushScreenAudioPcm, frame),
-		pushScreenAudioFloat: (frame) => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.pushScreenAudioFloat, frame),
-		unpublishScreenAudio: () => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.unpublishScreenAudio),
-		setMicEnabled: (enabled) => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.setMicEnabled, enabled),
-		setSpeakingDetection: (options) => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.setSpeakingDetection, options),
-		listAudioInputDevices: () => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.listAudioInputDevices),
-		listAudioOutputDevices: () => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.listAudioOutputDevices),
-		setAudioOutputDevice: (deviceId) => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.setAudioOutputDevice, deviceId),
-		setParticipantVolume: (participantSid, volume) =>
-			ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.setParticipantVolume, {participantSid, volume}),
-		setRemoteTrackSubscription: (options) =>
-			ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.setRemoteTrackSubscription, options),
-		publishData: (options) => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.publishData, options),
-		listCameraDevices: () => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.listCameraDevices),
-		publishCamera: (options) => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.publishCamera, options),
-		publishNativeCameraSink: (options) =>
-			ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.publishNativeCameraSink, options),
-		publishProcessedCamera: (options) =>
-			ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.publishProcessedCamera, options),
-		pushProcessedCameraFrame: (frame) =>
-			ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.pushProcessedCameraFrame, frame),
-		pushCameraBackgroundFrame: (frame) =>
-			ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.pushCameraBackgroundFrame, frame),
-		clearCameraBackgroundFrame: () => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.clearCameraBackgroundFrame),
-		updateCameraCapture: (options) => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.updateCameraCapture, options),
-		publishDeviceScreenShare: (options) =>
-			ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.publishDeviceScreenShare, options),
-		unpublishCamera: () => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.unpublishCamera),
-		isPublishingCamera: () => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.isPublishingCamera),
-		startCameraPreview: (options) => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.startCameraPreview, options),
-		stopCameraPreview: () => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.stopCameraPreview),
-		getConnectionStats: () => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.getConnectionStats),
-		getVoiceEngineReadiness: () => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.getVoiceEngineReadiness),
-		getAudioDeviceModuleState: () => ipcRenderer.invoke(VOICE_ENGINE_V2_IPC_CHANNELS.getAudioDeviceModuleState),
-		onEvent: (callback) => {
-			const handler = (_event: Electron.IpcRendererEvent, payload: VoiceEngineV2BridgeEvent): void => {
-				callback(payload);
-			};
-			ipcRenderer.on(VOICE_ENGINE_V2_EVENT_CHANNELS.event, handler);
-			return () => ipcRenderer.removeListener(VOICE_ENGINE_V2_EVENT_CHANNELS.event, handler);
-		},
-		onVideoFrame: (callback) => {
-			const handler = (_event: Electron.IpcRendererEvent, payload: VoiceEngineV2BridgeVideoFrameWire): void => {
-				callback({meta: payload.meta, data: videoFrameWireDataToArrayBuffer(payload.data)});
-			};
-			ipcRenderer.on(VOICE_ENGINE_V2_EVENT_CHANNELS.videoFrame, handler);
-			return () => ipcRenderer.removeListener(VOICE_ENGINE_V2_EVENT_CHANNELS.videoFrame, handler);
-		},
-	} satisfies VoiceEngineV2BridgeApi,
+		getHardwareEncoderCapabilities: () => ipcRenderer.invoke(VOICE_ENGINE_V2_HARDWARE_ENCODER_IPC_CHANNEL),
+	} satisfies VoiceEngineV2BridgeHardwareEncoderApi,
 };

 window.addEventListener(
@@ -1,93 +0,0 @@
-{
-	"version": 18,
-	"methods": [
-		"isSupported",
-		"getCapabilities",
-		"prewarm",
-		"getHardwareEncoderCapabilities",
-		"connect",
-		"disconnect",
-		"isConnected",
-		"publishMicrophone",
-		"pushPcm",
-		"publishScreen",
-		"updateScreenShareEncoding",
-		"unpublishScreen",
-		"publishScreenAudio",
-		"pushScreenAudioPcm",
-		"pushScreenAudioFloat",
-		"unpublishScreenAudio",
-		"setMicEnabled",
-		"setSpeakingDetection",
-		"listAudioInputDevices",
-		"listAudioOutputDevices",
-		"setAudioOutputDevice",
-		"setParticipantVolume",
-		"setRemoteTrackSubscription",
-		"publishData",
-		"listCameraDevices",
-		"publishCamera",
-		"updateCameraCapture",
-		"publishNativeCameraSink",
-		"publishProcessedCamera",
-		"pushProcessedCameraFrame",
-		"pushCameraBackgroundFrame",
-		"clearCameraBackgroundFrame",
-		"publishDeviceScreenShare",
-		"unpublishCamera",
-		"isPublishingCamera",
-		"startCameraPreview",
-		"stopCameraPreview",
-		"getConnectionStats",
-		"getVoiceEngineReadiness",
-		"getAudioDeviceModuleState",
-		"onEvent",
-		"onVideoFrame"
-	],
-	"ipcChannels": {
-		"isSupported": "voice-engine-v2:is-supported",
-		"getCapabilities": "voice-engine-v2:get-capabilities",
-		"prewarm": "voice-engine-v2:prewarm",
-		"getHardwareEncoderCapabilities": "voice-engine-v2:get-hardware-encoder-capabilities",
-		"connect": "voice-engine-v2:connect",
-		"disconnect": "voice-engine-v2:disconnect",
-		"isConnected": "voice-engine-v2:is-connected",
-		"publishMicrophone": "voice-engine-v2:publish-microphone",
-		"pushPcm": "voice-engine-v2:push-pcm",
-		"publishScreen": "voice-engine-v2:publish-screen",
-		"updateScreenShareEncoding": "voice-engine-v2:update-screen-share-encoding",
-		"unpublishScreen": "voice-engine-v2:unpublish-screen",
-		"publishScreenAudio": "voice-engine-v2:publish-screen-audio",
-		"pushScreenAudioPcm": "voice-engine-v2:push-screen-audio-pcm",
-		"pushScreenAudioFloat": "voice-engine-v2:push-screen-audio-float",
-		"unpublishScreenAudio": "voice-engine-v2:unpublish-screen-audio",
-		"setMicEnabled": "voice-engine-v2:set-mic-enabled",
-		"setSpeakingDetection": "voice-engine-v2:set-speaking-detection",
-		"listAudioInputDevices": "voice-engine-v2:list-audio-input-devices",
-		"listAudioOutputDevices": "voice-engine-v2:list-audio-output-devices",
-		"setAudioOutputDevice": "voice-engine-v2:set-audio-output-device",
-		"setParticipantVolume": "voice-engine-v2:set-participant-volume",
-		"setRemoteTrackSubscription": "voice-engine-v2:set-remote-track-subscription",
-		"publishData": "voice-engine-v2:publish-data",
-		"listCameraDevices": "voice-engine-v2:list-camera-devices",
-		"publishCamera": "voice-engine-v2:publish-camera",
-		"updateCameraCapture": "voice-engine-v2:update-camera-capture",
-		"publishNativeCameraSink": "voice-engine-v2:publish-native-camera-sink",
-		"publishProcessedCamera": "voice-engine-v2:publish-processed-camera",
-		"pushProcessedCameraFrame": "voice-engine-v2:push-processed-camera-frame",
-		"pushCameraBackgroundFrame": "voice-engine-v2:push-camera-background-frame",
-		"clearCameraBackgroundFrame": "voice-engine-v2:clear-camera-background-frame",
-		"publishDeviceScreenShare": "voice-engine-v2:publish-device-screen-share",
-		"unpublishCamera": "voice-engine-v2:unpublish-camera",
-		"isPublishingCamera": "voice-engine-v2:is-publishing-camera",
-		"startCameraPreview": "voice-engine-v2:start-camera-preview",
-		"stopCameraPreview": "voice-engine-v2:stop-camera-preview",
-		"getConnectionStats": "voice-engine-v2:get-connection-stats",
-		"getVoiceEngineReadiness": "voice-engine-v2:get-readiness",
-		"getAudioDeviceModuleState": "voice-engine-v2:get-audio-device-module-state"
-	},
-	"eventChannels": {
-		"event": "voice-engine-v2:event",
-		"videoFrame": "voice-engine-v2:video-frame"
-	}
-}
@@ -658,10 +658,6 @@
 				"serverRegion": "us-east",
 				"failure": null
 			},
-			"nativeAudioDeviceModule": {
-				"status": "unsupported",
-				"detail": null
-			},
 			"microphone": {
 				"status": "published",
 				"desired": {
@@ -1,14 +0,0 @@
-[
-	{"raw": "encrypted", "expected": "encrypted"},
-	{"raw": "ok", "expected": "encrypted"},
-	{"raw": "decryption_failed", "expected": "decryption_failed"},
-	{"raw": "decryptionFailed", "expected": "decryption_failed"},
-	{"raw": "error", "expected": "decryption_failed"},
-	{"raw": "broken", "expected": "decryption_failed"},
-	{"raw": "unencrypted", "expected": "unencrypted"},
-	{"raw": "missing_key", "expected": "unencrypted"},
-	{"raw": "missingKey", "expected": "unencrypted"},
-	{"raw": "internal_error", "expected": "unencrypted"},
-	{"raw": "unexpected", "expected": "unknown"},
-	{"raw": null, "expected": "unknown"}
-]
@@ -1,56 +0,0 @@
-[
-	{
-		"name": "camera unpublish suppressed during reconnect when video restore is pending",
-		"input": {"source": "camera", "enabled": false, "reconnecting": true, "restoreVideo": true, "restoreStream": false},
-		"expected": true
-	},
-	{
-		"name": "screen share unpublish suppressed during reconnect when stream restore is pending",
-		"input": {
-			"source": "screen_share",
-			"enabled": false,
-			"reconnecting": true,
-			"restoreVideo": false,
-			"restoreStream": true
-		},
-		"expected": true
-	},
-	{
-		"name": "publish events are not suppressed",
-		"input": {
-			"source": "screen_share",
-			"enabled": true,
-			"reconnecting": true,
-			"restoreVideo": false,
-			"restoreStream": true
-		},
-		"expected": false
-	},
-	{
-		"name": "inactive reconnect is not suppressed",
-		"input": {
-			"source": "screen_share",
-			"enabled": false,
-			"reconnecting": false,
-			"restoreVideo": false,
-			"restoreStream": true
-		},
-		"expected": false
-	},
-	{
-		"name": "camera without video restore is not suppressed",
-		"input": {"source": "camera", "enabled": false, "reconnecting": true, "restoreVideo": false, "restoreStream": true},
-		"expected": false
-	},
-	{
-		"name": "microphone is not suppressed",
-		"input": {
-			"source": "microphone",
-			"enabled": false,
-			"reconnecting": true,
-			"restoreVideo": true,
-			"restoreStream": true
-		},
-		"expected": false
-	}
-]
@@ -1,98 +0,0 @@
-[
-	{
-		"name": "retry while accepted connection is still connecting before gateway echo",
-		"input": {
-			"connectionId": "connection-a",
-			"guildId": "guild-a",
-			"channelId": "channel-a",
-			"voiceState": null,
-			"connectionState": {
-				"connectionId": "connection-a",
-				"guildId": "guild-a",
-				"channelId": "channel-a",
-				"connecting": true,
-				"connected": false,
-				"reconnecting": false
-			}
-		},
-		"expected": true
-	},
-	{
-		"name": "retry when gateway voice state confirms channel",
-		"input": {
-			"connectionId": "connection-a",
-			"guildId": "guild-a",
-			"channelId": "channel-a",
-			"voiceState": {
-				"guild_id": "guild-a",
-				"channel_id": "channel-a"
-			},
-			"connectionState": {
-				"connectionId": "stale-connection",
-				"guildId": "guild-a",
-				"channelId": "channel-a",
-				"connecting": false,
-				"connected": false,
-				"reconnecting": false
-			}
-		},
-		"expected": true
-	},
-	{
-		"name": "reject stale local connection",
-		"input": {
-			"connectionId": "connection-a",
-			"guildId": "guild-a",
-			"channelId": "channel-a",
-			"voiceState": null,
-			"connectionState": {
-				"connectionId": "connection-b",
-				"guildId": "guild-a",
-				"channelId": "channel-a",
-				"connecting": true,
-				"connected": false,
-				"reconnecting": false
-			}
-		},
-		"expected": false
-	},
-	{
-		"name": "reject inactive accepted connection",
-		"input": {
-			"connectionId": "connection-a",
-			"guildId": "guild-a",
-			"channelId": "channel-a",
-			"voiceState": null,
-			"connectionState": {
-				"connectionId": "connection-a",
-				"guildId": "guild-a",
-				"channelId": "channel-a",
-				"connecting": false,
-				"connected": false,
-				"reconnecting": false
-			}
-		},
-		"expected": false
-	},
-	{
-		"name": "treat null guild ids as equivalent private voice scope",
-		"input": {
-			"connectionId": "connection-a",
-			"guildId": null,
-			"channelId": "dm-channel-a",
-			"voiceState": {
-				"guild_id": null,
-				"channel_id": "dm-channel-a"
-			},
-			"connectionState": {
-				"connectionId": "connection-b",
-				"guildId": null,
-				"channelId": "dm-channel-a",
-				"connecting": false,
-				"connected": false,
-				"reconnecting": false
-			}
-		},
-		"expected": true
-	}
-]
@@ -1,37 +0,0 @@
-[
-	{
-		"name": "local mute wins",
-		"input": {"userVolumePercent": 200, "outputVolumePercent": 100, "locallyMuted": true},
-		"expected": 0
-	},
-	{
-		"name": "unity gain",
-		"input": {"userVolumePercent": 100, "outputVolumePercent": 100, "locallyMuted": false},
-		"expected": 1
-	},
-	{
-		"name": "max user volume reaches ceiling",
-		"input": {"userVolumePercent": 200, "outputVolumePercent": 100, "locallyMuted": false},
-		"expected": 2
-	},
-	{
-		"name": "quiet participant below unity",
-		"input": {"userVolumePercent": 50, "outputVolumePercent": 100, "locallyMuted": false},
-		"expectedRange": {"minExclusive": 0, "maxExclusive": 1}
-	},
-	{
-		"name": "zero composed volume",
-		"input": {"userVolumePercent": 0, "outputVolumePercent": 100, "locallyMuted": false},
-		"expected": 0
-	},
-	{
-		"name": "non finite values fall back to unity inputs",
-		"input": {"userVolumePercent": null, "outputVolumePercent": null, "locallyMuted": false},
-		"expected": 1
-	},
-	{
-		"name": "oversized values clamp to native range",
-		"input": {"userVolumePercent": 999, "outputVolumePercent": 999, "locallyMuted": false},
-		"expectedRange": {"minInclusive": 0, "maxInclusive": 2}
-	}
-]
@@ -1,104 +0,0 @@
-// SPDX-License-Identifier: AGPL-3.0-or-later
-
-import {describe, expect, it} from 'vitest';
-import {
-	runVoiceEngineV2AdmWarmup,
-	VOICE_ENGINE_V2_ADM_WARMUP_POLL_ATTEMPTS_MAX,
-	VOICE_ENGINE_V2_ADM_WARMUP_POLL_INTERVAL_MS,
-} from './admWarmup';
-
-describe('runVoiceEngineV2AdmWarmup', () => {
-	it('resolves ready when the first probe succeeds', async () => {
-		let probeCalls = 0;
-		const state = await runVoiceEngineV2AdmWarmup({
-			probe: async () => {
-				probeCalls += 1;
-				return true;
-			},
-			delay: async () => {},
-		});
-		expect(state).toEqual({status: 'ready'});
-		expect(probeCalls).toBe(1);
-	});
-
-	it('polls at the fixed cadence until the probe reports ready', async () => {
-		let probeCalls = 0;
-		const delays: Array<number> = [];
-		const state = await runVoiceEngineV2AdmWarmup({
-			probe: async () => {
-				probeCalls += 1;
-				return probeCalls >= 5;
-			},
-			delay: async (durationMs) => {
-				delays.push(durationMs);
-			},
-		});
-		expect(state).toEqual({status: 'ready'});
-		expect(probeCalls).toBe(5);
-		expect(delays.every((durationMs) => durationMs === VOICE_ENGINE_V2_ADM_WARMUP_POLL_INTERVAL_MS)).toBe(true);
-	});
-
-	it('fails after the bounded attempt count when the probe never reports ready', async () => {
-		let probeCalls = 0;
-		const state = await runVoiceEngineV2AdmWarmup({
-			probe: async () => {
-				probeCalls += 1;
-				return false;
-			},
-			delay: async () => {},
-		});
-		expect(state.status).toBe('failed');
-		expect(state.detail).toContain('deadline');
-		expect(probeCalls).toBe(VOICE_ENGINE_V2_ADM_WARMUP_POLL_ATTEMPTS_MAX);
-	});
-
-	it('fails with the probe error detail when the probe throws', async () => {
-		let probeCalls = 0;
-		const state = await runVoiceEngineV2AdmWarmup({
-			probe: async () => {
-				probeCalls += 1;
-				throw new Error('addon exploded');
-			},
-			delay: async () => {},
-		});
-		expect(state.status).toBe('failed');
-		expect(state.detail).toContain('addon exploded');
-		expect(probeCalls).toBe(1);
-	});
-
-	it('fails at the deadline without stacking probes when the probe hangs forever', async () => {
-		let probeCalls = 0;
-		const state = await runVoiceEngineV2AdmWarmup({
-			probe: () => {
-				probeCalls += 1;
-				return new Promise<boolean>(() => {});
-			},
-			delay: async () => {},
-		});
-		expect(state.status).toBe('failed');
-		expect(state.detail).toContain('deadline');
-		expect(probeCalls).toBe(1);
-	});
-
-	it('resolves ready when a slow probe settles after several poll intervals', async () => {
-		let probeCalls = 0;
-		let resolveProbe: ((ready: boolean) => void) | null = null;
-		let delayCalls = 0;
-		const state = await runVoiceEngineV2AdmWarmup({
-			probe: () => {
-				probeCalls += 1;
-				return new Promise<boolean>((resolve) => {
-					resolveProbe = resolve;
-				});
-			},
-			delay: async () => {
-				delayCalls += 1;
-				if (delayCalls === 3) {
-					resolveProbe?.(true);
-				}
-			},
-		});
-		expect(state).toEqual({status: 'ready'});
-		expect(probeCalls).toBe(1);
-	});
-});
@@ -1,62 +0,0 @@
-// SPDX-License-Identifier: AGPL-3.0-or-later
-
-import type {VoiceEngineV2BridgeAudioDeviceModuleState} from './types';
-
-export const VOICE_ENGINE_V2_ADM_WARMUP_POLL_INTERVAL_MS = 250;
-export const VOICE_ENGINE_V2_ADM_WARMUP_DEADLINE_MS = 60_000;
-export const VOICE_ENGINE_V2_ADM_WARMUP_POLL_ATTEMPTS_MAX = Math.floor(
-	VOICE_ENGINE_V2_ADM_WARMUP_DEADLINE_MS / VOICE_ENGINE_V2_ADM_WARMUP_POLL_INTERVAL_MS,
-);
-
-export interface VoiceEngineV2AdmWarmupPorts {
-	probe(): Promise<boolean>;
-	delay(durationMs: number): Promise<void>;
-}
-
-type AdmProbeOutcome = {kind: 'ready'; ready: boolean} | {kind: 'error'; detail: string};
-
-const ADM_PROBE_STILL_PENDING = Symbol('voice-engine-v2-adm-probe-still-pending');
-
-function startBoundedAdmProbe(ports: VoiceEngineV2AdmWarmupPorts): Promise<AdmProbeOutcome> {
-	return ports.probe().then(
-		(ready) => ({kind: 'ready', ready}),
-		(error) => {
-			const detail = error instanceof Error ? error.message : String(error);
-			return {kind: 'error', detail: `audio device module probe failed: ${detail}`};
-		},
-	);
-}
-
-export async function runVoiceEngineV2AdmWarmup(
-	ports: VoiceEngineV2AdmWarmupPorts,
-): Promise<VoiceEngineV2BridgeAudioDeviceModuleState> {
-	if (VOICE_ENGINE_V2_ADM_WARMUP_POLL_ATTEMPTS_MAX < 1) {
-		throw new Error('ADM warmup poll attempt bound must be at least 1');
-	}
-	let pendingProbe: Promise<AdmProbeOutcome> | null = null;
-	for (let attempt = 1; attempt <= VOICE_ENGINE_V2_ADM_WARMUP_POLL_ATTEMPTS_MAX; attempt++) {
-		if (pendingProbe === null) {
-			pendingProbe = startBoundedAdmProbe(ports);
-		}
-		const attemptTimeout = ports.delay(VOICE_ENGINE_V2_ADM_WARMUP_POLL_INTERVAL_MS).then(() => ADM_PROBE_STILL_PENDING);
-		const outcome = await Promise.race([pendingProbe, attemptTimeout]);
-		if (outcome === ADM_PROBE_STILL_PENDING) {
-			continue;
-		}
-		pendingProbe = null;
-		const probeOutcome = outcome as AdmProbeOutcome;
-		if (probeOutcome.kind === 'error') {
-			return {status: 'failed', detail: probeOutcome.detail};
-		}
-		if (probeOutcome.ready) {
-			return {status: 'ready'};
-		}
-		if (attempt < VOICE_ENGINE_V2_ADM_WARMUP_POLL_ATTEMPTS_MAX) {
-			await ports.delay(VOICE_ENGINE_V2_ADM_WARMUP_POLL_INTERVAL_MS);
-		}
-	}
-	return {
-		status: 'failed',
-		detail: `audio device module warmup exceeded ${VOICE_ENGINE_V2_ADM_WARMUP_DEADLINE_MS}ms deadline`,
-	};
-}
@@ -1,10 +1,8 @@
 // SPDX-License-Identifier: AGPL-3.0-or-later

-import {beforeEach, describe, expect, it} from 'vitest';
-import fixtureJson from '../../fixtures/bridge/bridge_contract.json';
+import {describe, expect, it} from 'vitest';
 import {
 	assertAudioFrameInvariants,
-	assertSchemaVersion,
 	assertVideoFrameInvariants,
 	VOICE_ENGINE_V2_AUDIO_FRAME_BYTES_MAX,
 	VOICE_ENGINE_V2_VIDEO_DIMENSION_MAX,
@@ -13,125 +11,15 @@ import {
 } from './ffi_assertions';
 import {
 	assertVoiceEngineV2BridgeAudioOptionsInvariants,
-	assertVoiceEngineV2BridgeEnvelopeSchema,
 	assertVoiceEngineV2BridgeVideoOptionsInvariants,
-	getVoiceEngineV2BridgeDroppedEventCounts,
-	getVoiceEngineV2BridgeProcessedCameraI420ByteLength,
-	isVoiceEngineV2BridgeFloatPcmFrame,
-	isVoiceEngineV2BridgeKnownEventType,
-	isVoiceEngineV2BridgeProcessedCameraFrame,
-	isVoiceEngineV2BridgePublishCameraOptions,
-	isVoiceEngineV2BridgePublishProcessedCameraOptions,
-	isVoiceEngineV2BridgeReadiness,
-	resetVoiceEngineV2BridgeDroppedEventCounts,
-	translateVoiceEngineV2BridgeEventToEvents,
-	translateVoiceEngineV2BridgeVideoFrameToEvent,
-	VOICE_ENGINE_V2_ADM_STATUS_EVENT_TYPE,
-	VOICE_ENGINE_V2_BRIDGE_METHODS,
-	VOICE_ENGINE_V2_BRIDGE_VERSION,
-	VOICE_ENGINE_V2_ENGINE_READY_EVENT_TYPE,
-	VOICE_ENGINE_V2_EVENT_CHANNELS,
-	VOICE_ENGINE_V2_IPC_CHANNELS,
+	normalizeVoiceEngineV2BridgeHardwareEncoderCapabilities,
+	unavailableVoiceEngineV2BridgeHardwareEncoderCapabilities,
+	VOICE_ENGINE_V2_HARDWARE_ENCODER_IPC_CHANNEL,
 } from './index';

-interface VoiceEngineV2BridgeContractFixture {
-	version: number;
-	methods: Array<string>;
-	ipcChannels: Record<string, string>;
-	eventChannels: Record<string, string>;
-}
-
 describe('voice engine v2 bridge contract', () => {
-	it('matches the shared bridge contract fixture', () => {
-		const fixture = fixtureJson as VoiceEngineV2BridgeContractFixture;
-
-		expect(VOICE_ENGINE_V2_BRIDGE_VERSION).toBe(fixture.version);
-		expect(VOICE_ENGINE_V2_BRIDGE_METHODS).toEqual(fixture.methods);
-		expect(VOICE_ENGINE_V2_IPC_CHANNELS).toEqual(fixture.ipcChannels);
-		expect(VOICE_ENGINE_V2_EVENT_CHANNELS).toEqual(fixture.eventChannels);
-		expect(new Set(VOICE_ENGINE_V2_BRIDGE_METHODS).size).toBe(VOICE_ENGINE_V2_BRIDGE_METHODS.length);
-		expect(new Set(Object.values(VOICE_ENGINE_V2_IPC_CHANNELS)).size).toBe(
-			Object.values(VOICE_ENGINE_V2_IPC_CHANNELS).length,
-		);
-		expect(new Set(Object.values(VOICE_ENGINE_V2_EVENT_CHANNELS)).size).toBe(
-			Object.values(VOICE_ENGINE_V2_EVENT_CHANNELS).length,
-		);
-	});
-
-	it('accepts the canonical schema version on the FFI boundary', () => {
-		expect(() => assertSchemaVersion(VOICE_ENGINE_V2_BRIDGE_VERSION)).not.toThrow();
-	});
-
-	it('rejects a schema version older than the bridge', () => {
-		try {
-			assertSchemaVersion(VOICE_ENGINE_V2_BRIDGE_VERSION - 1);
-			expect.fail('expected schema mismatch to throw');
-		} catch (error) {
-			expect(error).toBeInstanceOf(VoiceEngineV2FfiAssertError);
-			expect((error as VoiceEngineV2FfiAssertError).code).toBe('schemaVersionMismatch');
-		}
-	});
-
-	it('rejects a schema version newer than the bridge', () => {
-		try {
-			assertSchemaVersion(VOICE_ENGINE_V2_BRIDGE_VERSION + 1);
-			expect.fail('expected schema mismatch to throw');
-		} catch (error) {
-			expect(error).toBeInstanceOf(VoiceEngineV2FfiAssertError);
-			expect((error as VoiceEngineV2FfiAssertError).code).toBe('schemaVersionMismatch');
-		}
-	});
-});
-
-describe('voice engine v2 readiness contract', () => {
-	it('registers the readiness method and channel in the shared contract', () => {
-		expect(VOICE_ENGINE_V2_BRIDGE_METHODS).toContain('getVoiceEngineReadiness');
-		expect(VOICE_ENGINE_V2_IPC_CHANNELS.getVoiceEngineReadiness).toBe('voice-engine-v2:get-readiness');
-	});
-
-	it('classifies engineReady as a known bridge event type', () => {
-		expect(VOICE_ENGINE_V2_ENGINE_READY_EVENT_TYPE).toBe('engineReady');
-		expect(isVoiceEngineV2BridgeKnownEventType(VOICE_ENGINE_V2_ENGINE_READY_EVENT_TYPE)).toBe(true);
-	});
-
-	it('translates engineReady as a renderer-gating event with no reducer output', () => {
-		resetVoiceEngineV2BridgeDroppedEventCounts();
-		const events = translateVoiceEngineV2BridgeEventToEvents({
-			type: 'engineReady',
-			payload: {ready: true},
-		});
-
-		expect(events).toEqual([]);
-		const counts = getVoiceEngineV2BridgeDroppedEventCounts();
-		expect(counts.malformedPayloadCount).toBe(0);
-		expect(counts.unknownTypeCount).toBe(0);
-	});
-
-	it('translates audio device module status into a runtime event', () => {
-		resetVoiceEngineV2BridgeDroppedEventCounts();
-		const events = translateVoiceEngineV2BridgeEventToEvents({
-			type: VOICE_ENGINE_V2_ADM_STATUS_EVENT_TYPE,
-			payload: {status: 'warming'},
-		});
-
-		expect(events).toEqual([{type: 'nativeAudioDeviceModule.statusChanged', status: 'warming'}]);
-		const counts = getVoiceEngineV2BridgeDroppedEventCounts();
-		expect(counts.malformedPayloadCount).toBe(0);
-		expect(counts.unknownTypeCount).toBe(0);
-	});
-
-	it('accepts ready and not-ready readiness payloads', () => {
-		expect(isVoiceEngineV2BridgeReadiness({ready: true})).toBe(true);
-		expect(isVoiceEngineV2BridgeReadiness({ready: false})).toBe(true);
-		expect(isVoiceEngineV2BridgeReadiness({ready: false, reason: 'native voice engine prewarm pending'})).toBe(true);
-	});
-
-	it('rejects malformed readiness payloads', () => {
-		expect(isVoiceEngineV2BridgeReadiness(null)).toBe(false);
-		expect(isVoiceEngineV2BridgeReadiness({})).toBe(false);
-		expect(isVoiceEngineV2BridgeReadiness({ready: 'yes'})).toBe(false);
-		expect(isVoiceEngineV2BridgeReadiness({ready: false, reason: 42})).toBe(false);
-		expect(isVoiceEngineV2BridgeReadiness({ready: true, reason: 'ready engines carry no reason'})).toBe(false);
+	it('pins the hardware encoder ipc channel shared by preload and the main process', () => {
+		expect(VOICE_ENGINE_V2_HARDWARE_ENCODER_IPC_CHANNEL).toBe('voice-engine-v2:get-hardware-encoder-capabilities');
 	});
 });

@@ -151,37 +39,37 @@ describe('voice engine v2 audio frame invariants', () => {
 		expect(() => assertAudioFrameInvariants(canonicalAudioFrame, 500)).not.toThrow();
 	});

-	it('rejects an audio frame with zero bytes', () => {
+	it('rejects an empty audio frame', () => {
 		try {
 			assertAudioFrameInvariants({...canonicalAudioFrame, frameBytes: 0});
-			expect.fail('expected size assertion to throw');
+			expect.fail('expected frame bytes assertion to throw');
 		} catch (error) {
 			expect(error).toBeInstanceOf(VoiceEngineV2FfiAssertError);
 			expect((error as VoiceEngineV2FfiAssertError).code).toBe('audioFrameBytesOutOfRange');
 		}
 	});

-	it('rejects an audio frame over the byte cap', () => {
+	it('rejects an audio frame past the byte cap', () => {
 		try {
 			assertAudioFrameInvariants({...canonicalAudioFrame, frameBytes: VOICE_ENGINE_V2_AUDIO_FRAME_BYTES_MAX + 1});
-			expect.fail('expected size assertion to throw');
+			expect.fail('expected frame bytes assertion to throw');
 		} catch (error) {
 			expect(error).toBeInstanceOf(VoiceEngineV2FfiAssertError);
 			expect((error as VoiceEngineV2FfiAssertError).code).toBe('audioFrameBytesOutOfRange');
 		}
 	});

-	it('rejects an audio frame with an unsupported sample rate', () => {
+	it('rejects an unsupported sample rate', () => {
 		try {
 			assertAudioFrameInvariants({...canonicalAudioFrame, sampleRateHz: 44100});
-			expect.fail('expected sample-rate assertion to throw');
+			expect.fail('expected sample rate assertion to throw');
 		} catch (error) {
 			expect(error).toBeInstanceOf(VoiceEngineV2FfiAssertError);
 			expect((error as VoiceEngineV2FfiAssertError).code).toBe('audioSampleRateInvalid');
 		}
 	});

-	it('rejects an audio frame with an unsupported channel count', () => {
+	it('rejects an unsupported channel count', () => {
 		try {
 			assertAudioFrameInvariants({...canonicalAudioFrame, numChannels: 3});
 			expect.fail('expected channels assertion to throw');
@@ -191,7 +79,7 @@ describe('voice engine v2 audio frame invariants', () => {
 		}
 	});

-	it('rejects an audio frame whose timestamp does not advance', () => {
+	it('rejects a repeated audio timestamp', () => {
 		try {
 			assertAudioFrameInvariants(canonicalAudioFrame, canonicalAudioFrame.timestampNs);
 			expect.fail('expected timestamp assertion to throw');
@@ -201,7 +89,7 @@ describe('voice engine v2 audio frame invariants', () => {
 		}
 	});

-	it('rejects an audio frame whose timestamp moves backwards', () => {
+	it('rejects a regressed audio timestamp', () => {
 		try {
 			assertAudioFrameInvariants(canonicalAudioFrame, canonicalAudioFrame.timestampNs + 1);
 			expect.fail('expected timestamp assertion to throw');
@@ -216,35 +104,35 @@ describe('voice engine v2 video frame invariants', () => {
 	const canonicalVideoFrame = {
 		widthPx: 1920,
 		heightPx: 1080,
-		frameBytes: (1920 * 1080 * 3) / 2,
+		frameBytes: 1920 * 1080 * 4,
 		timestampNs: 1000,
 	};

-	it('accepts a canonical video frame with no previous timestamp', () => {
+	it('accepts a canonical video frame', () => {
 		expect(() => assertVideoFrameInvariants(canonicalVideoFrame)).not.toThrow();
 	});

-	it('rejects a video frame with zero bytes', () => {
+	it('rejects an empty video frame', () => {
 		try {
 			assertVideoFrameInvariants({...canonicalVideoFrame, frameBytes: 0});
-			expect.fail('expected size assertion to throw');
+			expect.fail('expected frame bytes assertion to throw');
 		} catch (error) {
 			expect(error).toBeInstanceOf(VoiceEngineV2FfiAssertError);
 			expect((error as VoiceEngineV2FfiAssertError).code).toBe('videoFrameBytesOutOfRange');
 		}
 	});

-	it('rejects a video frame over the byte cap', () => {
+	it('rejects a video frame past the byte cap', () => {
 		try {
 			assertVideoFrameInvariants({...canonicalVideoFrame, frameBytes: VOICE_ENGINE_V2_VIDEO_FRAME_BYTES_MAX + 1});
-			expect.fail('expected size assertion to throw');
+			expect.fail('expected frame bytes assertion to throw');
 		} catch (error) {
 			expect(error).toBeInstanceOf(VoiceEngineV2FfiAssertError);
 			expect((error as VoiceEngineV2FfiAssertError).code).toBe('videoFrameBytesOutOfRange');
 		}
 	});

-	it('rejects a video frame with a zero dimension', () => {
+	it('rejects a zero video dimension', () => {
 		try {
 			assertVideoFrameInvariants({...canonicalVideoFrame, widthPx: 0});
 			expect.fail('expected dimension assertion to throw');
@@ -254,7 +142,7 @@ describe('voice engine v2 video frame invariants', () => {
 		}
 	});

-	it('rejects a video frame with an oversized dimension', () => {
+	it('rejects a video dimension past the cap', () => {
 		try {
 			assertVideoFrameInvariants({...canonicalVideoFrame, heightPx: VOICE_ENGINE_V2_VIDEO_DIMENSION_MAX + 1});
 			expect.fail('expected dimension assertion to throw');
@@ -264,7 +152,7 @@ describe('voice engine v2 video frame invariants', () => {
 		}
 	});

-	it('rejects a video frame whose timestamp regresses', () => {
+	it('rejects a repeated video timestamp', () => {
 		try {
 			assertVideoFrameInvariants(canonicalVideoFrame, canonicalVideoFrame.timestampNs);
 			expect.fail('expected timestamp assertion to throw');
@@ -273,183 +161,6 @@ describe('voice engine v2 video frame invariants', () => {
 			expect((error as VoiceEngineV2FfiAssertError).code).toBe('videoTimestampRegressed');
 		}
 	});
-
-	it('documents that inboundVideo.frameReceived will activate this guard once the port leaves shadow', () => {
-		const hotPathTypes = ['inboundVideo.frameReceived', 'nativeCapture.frame'];
-		expect(hotPathTypes.length).toBeGreaterThan(0);
-		for (const type of hotPathTypes) {
-			expect(typeof type).toBe('string');
-		}
-	});
-});
-
-describe('voice engine v2 bridge schema version literal', () => {
-	it('pins the TS bridge version to the literal 18 to pair with the native addon bridge', () => {
-		expect(VOICE_ENGINE_V2_BRIDGE_VERSION).toBe(18);
-	});
-
-	it('reuses the schema-version airlock helper from bridge exports', () => {
-		expect(() => assertVoiceEngineV2BridgeEnvelopeSchema(VOICE_ENGINE_V2_BRIDGE_VERSION)).not.toThrow();
-	});
-
-	it('rejects bridge schema mismatch via the exported airlock helper', () => {
-		try {
-			assertVoiceEngineV2BridgeEnvelopeSchema(VOICE_ENGINE_V2_BRIDGE_VERSION + 1);
-			expect.fail('expected schema mismatch to throw');
-		} catch (error) {
-			expect(error).toBeInstanceOf(VoiceEngineV2FfiAssertError);
-			expect((error as VoiceEngineV2FfiAssertError).code).toBe('schemaVersionMismatch');
-		}
-	});
-});
-
-describe('voice engine v2 float pcm bridge frames', () => {
-	it('accepts Float32Array payloads for native-side PCM conversion', () => {
-		expect(
-			isVoiceEngineV2BridgeFloatPcmFrame({
-				sampleRate: 48_000,
-				numChannels: 1,
-				samples: new Float32Array([0, 0.5, -0.5]),
-			}),
-		).toBe(true);
-	});
-
-	it('rejects non-float payloads on the float PCM bridge', () => {
-		expect(
-			isVoiceEngineV2BridgeFloatPcmFrame({
-				sampleRate: 48_000,
-				numChannels: 1,
-				samples: new Uint8Array([0, 1, 2, 3]).buffer,
-			}),
-		).toBe(false);
-	});
-});
-
-describe('voice engine v2 bridge translator airlock', () => {
-	function makeFrame(width: number, height: number, byteLength: number, timestampUs: number) {
-		return {
-			meta: {participantSid: 'PA', trackSid: 'TR', width, height, timestampUs},
-			data: new ArrayBuffer(byteLength),
-		};
-	}
-
-	it('translates a canonical video frame received from Rust', () => {
-		const event = translateVoiceEngineV2BridgeVideoFrameToEvent(makeFrame(1920, 1080, 4096, 1));
-		expect(event.type).toBe('inboundVideo.frameReceived');
-	});
-
-	it('panics through the airlock when an inbound video frame has zero dimensions', () => {
-		try {
-			translateVoiceEngineV2BridgeVideoFrameToEvent(makeFrame(0, 1080, 4096, 1));
-			expect.fail('expected dimension assertion to throw');
-		} catch (error) {
-			expect(error).toBeInstanceOf(VoiceEngineV2FfiAssertError);
-			expect((error as VoiceEngineV2FfiAssertError).code).toBe('videoDimensionOutOfRange');
-		}
-	});
-
-	it('panics through the airlock when an inbound video frame has zero bytes', () => {
-		try {
-			translateVoiceEngineV2BridgeVideoFrameToEvent(makeFrame(1920, 1080, 0, 1));
-			expect.fail('expected size assertion to throw');
-		} catch (error) {
-			expect(error).toBeInstanceOf(VoiceEngineV2FfiAssertError);
-			expect((error as VoiceEngineV2FfiAssertError).code).toBe('videoFrameBytesOutOfRange');
-		}
-	});
-});
-
-describe('voice engine v2 processed camera bridge airlock', () => {
-	it('accepts native camera background modes', () => {
-		expect(isVoiceEngineV2BridgePublishCameraOptions({backgroundMode: 'none'})).toBe(true);
-		expect(isVoiceEngineV2BridgePublishCameraOptions({backgroundMode: 'non'})).toBe(true);
-		expect(isVoiceEngineV2BridgePublishCameraOptions({backgroundMode: 'blur'})).toBe(true);
-		expect(
-			isVoiceEngineV2BridgePublishCameraOptions({
-				backgroundMode: 'custom',
-				backgroundCustomMediaPath: '/tmp/background.webm',
-				backgroundCustomMediaKind: 'video',
-			}),
-		).toBe(true);
-	});
-
-	it('registers the camera capture update channel in the shared contract', () => {
-		expect(VOICE_ENGINE_V2_BRIDGE_METHODS).toContain('updateCameraCapture');
-		expect(VOICE_ENGINE_V2_IPC_CHANNELS.updateCameraCapture).toBe('voice-engine-v2:update-camera-capture');
-	});
-
-	it('accepts native camera mirroring as a typed boolean only', () => {
-		expect(isVoiceEngineV2BridgePublishCameraOptions({mirror: true})).toBe(true);
-		expect(isVoiceEngineV2BridgePublishCameraOptions({mirror: false})).toBe(true);
-		expect(isVoiceEngineV2BridgePublishCameraOptions({mirror: 'true'})).toBe(false);
-	});
-
-	it('accepts camera effect strengths across the full integer range', () => {
-		expect(isVoiceEngineV2BridgePublishCameraOptions({backgroundBlurStrength: 0})).toBe(true);
-		expect(isVoiceEngineV2BridgePublishCameraOptions({backgroundBlurStrength: 100})).toBe(true);
-		expect(
-			isVoiceEngineV2BridgePublishCameraOptions({
-				backgroundMode: 'blur',
-				backgroundBlurStrength: 75,
-			}),
-		).toBe(true);
-	});
-
-	it('rejects out-of-range or non-integer camera effect strengths', () => {
-		expect(isVoiceEngineV2BridgePublishCameraOptions({backgroundBlurStrength: -1})).toBe(false);
-		expect(isVoiceEngineV2BridgePublishCameraOptions({backgroundBlurStrength: 101})).toBe(false);
-		expect(isVoiceEngineV2BridgePublishCameraOptions({backgroundBlurStrength: 49.5})).toBe(false);
-		expect(isVoiceEngineV2BridgePublishCameraOptions({backgroundBlurStrength: '50'})).toBe(false);
-		expect(isVoiceEngineV2BridgePublishCameraOptions({backgroundBlurStrength: Number.NaN})).toBe(false);
-	});
-
-	it('rejects invalid native camera background modes', () => {
-		expect(isVoiceEngineV2BridgePublishCameraOptions({backgroundMode: 'sepia'})).toBe(false);
-		expect(
-			isVoiceEngineV2BridgePublishCameraOptions({
-				backgroundMode: 'custom',
-				backgroundCustomMediaPath: '/tmp/background.webm',
-				backgroundCustomMediaKind: 'audio',
-			}),
-		).toBe(false);
-	});
-
-	it('accepts canonical processed camera publish options', () => {
-		expect(isVoiceEngineV2BridgePublishProcessedCameraOptions({width: 1280, height: 720, frameRate: 30})).toBe(true);
-	});
-
-	it('rejects processed camera publish options with odd dimensions', () => {
-		expect(isVoiceEngineV2BridgePublishProcessedCameraOptions({width: 1279, height: 720, frameRate: 30})).toBe(false);
-	});
-
-	it('calculates tight i420 payload byte length', () => {
-		expect(getVoiceEngineV2BridgeProcessedCameraI420ByteLength(4, 2)).toBe(12);
-	});
-
-	it('accepts tight i420 processed camera frames', () => {
-		const data = new Uint8Array(getVoiceEngineV2BridgeProcessedCameraI420ByteLength(4, 2));
-		expect(
-			isVoiceEngineV2BridgeProcessedCameraFrame({
-				format: 'i420',
-				width: 4,
-				height: 2,
-				timestampUs: 1,
-				data,
-			}),
-		).toBe(true);
-	});
-
-	it('rejects processed camera frames with loose byte lengths', () => {
-		expect(
-			isVoiceEngineV2BridgeProcessedCameraFrame({
-				format: 'i420',
-				width: 4,
-				height: 2,
-				timestampUs: 1,
-				data: new ArrayBuffer(11),
-			}),
-		).toBe(false);
-	});
 });

 describe('voice engine v2 bridge option airlock helpers', () => {
@@ -502,61 +213,64 @@ describe('voice engine v2 bridge option airlock helpers', () => {
 	});
 });

-describe('voice engine v2 bridge event translation drop accounting', () => {
-	beforeEach(() => {
-		resetVoiceEngineV2BridgeDroppedEventCounts();
-	});
-
-	it('returns no events for a known-but-ignored type without counting a drop', () => {
-		const events = translateVoiceEngineV2BridgeEventToEvents({
-			type: 'stats',
-			payload: {rttMs: 12, outbound: [], inbound: []},
+describe('voice engine v2 bridge hardware encoder capabilities', () => {
+	it('reports an unavailable encoder with the supplied reason and detail', () => {
+		expect(unavailableVoiceEngineV2BridgeHardwareEncoderCapabilities('load-failed', 'addon missing')).toEqual({
+			available: false,
+			backend: 'none',
+			compiled: false,
+			runtime: false,
+			codecs: [],
+			zeroCopy: false,
+			nativeInputs: [],
+			reason: 'load-failed',
+			detail: 'addon missing',
 		});
-
-		expect(events).toEqual([]);
-		const counts = getVoiceEngineV2BridgeDroppedEventCounts();
-		expect(counts.malformedPayloadCount).toBe(0);
-		expect(counts.unknownTypeCount).toBe(0);
 	});

-	it('counts a malformed payload for a translated known type', () => {
-		const events = translateVoiceEngineV2BridgeEventToEvents({
-			type: 'trackMuted',
-			payload: {},
+	it('omits the detail field when the caller supplies none', () => {
+		expect(unavailableVoiceEngineV2BridgeHardwareEncoderCapabilities('unsupported-addon-version')).not.toHaveProperty(
+			'detail',
+		);
+	});
+
+	it('normalizes a well-formed addon payload', () => {
+		expect(
+			normalizeVoiceEngineV2BridgeHardwareEncoderCapabilities({
+				available: true,
+				backend: 'nvenc',
+				compiled: true,
+				runtime: true,
+				codecs: ['h264', 42, 'av1'],
+				zeroCopy: true,
+				nativeInputs: ['d3d11Texture', null],
+			}),
+		).toEqual({
+			available: true,
+			backend: 'nvenc',
+			compiled: true,
+			runtime: true,
+			codecs: ['h264', 'av1'],
+			zeroCopy: true,
+			nativeInputs: ['d3d11Texture'],
 		});
-
-		expect(events).toEqual([]);
-		const counts = getVoiceEngineV2BridgeDroppedEventCounts();
-		expect(counts.malformedPayloadCount).toBe(1);
-		expect(counts.unknownTypeCount).toBe(0);
 	});

-	it('counts an unknown event type as a dropped event', () => {
-		const events = translateVoiceEngineV2BridgeEventToEvents({
-			type: 'someFutureEvent',
-			payload: {},
+	it('falls back to an unavailable encoder when the addon returns a non-object', () => {
+		expect(normalizeVoiceEngineV2BridgeHardwareEncoderCapabilities(null)).toEqual({
+			available: false,
+			backend: 'none',
+			compiled: false,
+			runtime: false,
+			codecs: [],
+			zeroCopy: false,
+			nativeInputs: [],
+			reason: 'query-failed',
+			detail: 'Native addon returned an invalid result',
 		});
-
-		expect(events).toEqual([]);
-		const counts = getVoiceEngineV2BridgeDroppedEventCounts();
-		expect(counts.malformedPayloadCount).toBe(0);
-		expect(counts.unknownTypeCount).toBe(1);
 	});

-	it('classifies every payload key as a known bridge event type', () => {
-		expect(isVoiceEngineV2BridgeKnownEventType('trackSubscribed')).toBe(true);
-		expect(isVoiceEngineV2BridgeKnownEventType('audioPlaybackUnavailable')).toBe(true);
-		expect(isVoiceEngineV2BridgeKnownEventType('someFutureEvent')).toBe(false);
-	});
-
-	it('still translates a well-formed known event after counting drops', () => {
-		translateVoiceEngineV2BridgeEventToEvents({type: 'trackMuted', payload: {}});
-		const events = translateVoiceEngineV2BridgeEventToEvents({
-			type: 'trackMuted',
-			payload: {trackSid: 'TR_1'},
-		});
-
-		expect(events).toEqual([{type: 'room.trackMuted', trackSid: 'TR_1'}]);
-		expect(getVoiceEngineV2BridgeDroppedEventCounts().malformedPayloadCount).toBe(1);
+	it('falls back to the none backend when the addon omits one', () => {
+		expect(normalizeVoiceEngineV2BridgeHardwareEncoderCapabilities({available: true}).backend).toBe('none');
 	});
 });
@@ -1,7 +1,5 @@
 // SPDX-License-Identifier: AGPL-3.0-or-later

-import {VOICE_ENGINE_V2_BRIDGE_VERSION} from './index';
-
 export const VOICE_ENGINE_V2_AUDIO_FRAME_BYTES_MAX = 1 << 20;
 export const VOICE_ENGINE_V2_VIDEO_FRAME_BYTES_MAX = 64 << 20;
 export const VOICE_ENGINE_V2_VIDEO_DIMENSION_MAX = 16384;
@@ -24,7 +22,6 @@ interface VoiceEngineV2VideoFrameInvariants {

 export class VoiceEngineV2FfiAssertError extends Error {
 	readonly code:
-		| 'schemaVersionMismatch'
 		| 'audioFrameBytesOutOfRange'
 		| 'audioSampleRateInvalid'
 		| 'audioChannelsInvalid'
@@ -44,21 +41,6 @@ function isFiniteInteger(value: number): boolean {
 	return Number.isFinite(value) && Number.isInteger(value);
 }

-export function assertSchemaVersion(received: number): void {
-	if (!isFiniteInteger(received)) {
-		throw new VoiceEngineV2FfiAssertError(
-			'schemaVersionMismatch',
-			`schema version must be a finite integer (received ${received})`,
-		);
-	}
-	if (received !== VOICE_ENGINE_V2_BRIDGE_VERSION) {
-		throw new VoiceEngineV2FfiAssertError(
-			'schemaVersionMismatch',
-			`schema version mismatch: expected ${VOICE_ENGINE_V2_BRIDGE_VERSION}, received ${received}`,
-		);
-	}
-}
-
 function assertAudioFrameBytes(bytes: number): void {
 	if (!isFiniteInteger(bytes)) {
 		throw new VoiceEngineV2FfiAssertError(
@@ -1,482 +0,0 @@
-// SPDX-License-Identifier: AGPL-3.0-or-later
-
-import {assertAudioFrameInvariants, assertSchemaVersion, assertVideoFrameInvariants} from './ffi_assertions';
-import type {
-	VoiceEngineV2BridgeCameraBackgroundCustomMediaKind,
-	VoiceEngineV2BridgeCameraBackgroundMode,
-	VoiceEngineV2BridgeCameraPreviewInfo,
-	VoiceEngineV2BridgeCapabilities,
-	VoiceEngineV2BridgeConnectOptions,
-	VoiceEngineV2BridgeFloatPcmFrame,
-	VoiceEngineV2BridgeHardwareEncoderCapabilities,
-	VoiceEngineV2BridgeParticipantVolumeOptions,
-	VoiceEngineV2BridgePcmFrame,
-	VoiceEngineV2BridgeProcessedCameraFrame,
-	VoiceEngineV2BridgePublishCameraOptions,
-	VoiceEngineV2BridgePublishDataOptions,
-	VoiceEngineV2BridgePublishDeviceScreenShareOptions,
-	VoiceEngineV2BridgePublishMicrophoneOptions,
-	VoiceEngineV2BridgePublishProcessedCameraOptions,
-	VoiceEngineV2BridgePublishProcessedCameraResult,
-	VoiceEngineV2BridgePublishScreenAudioOptions,
-	VoiceEngineV2BridgePublishScreenOptions,
-	VoiceEngineV2BridgeReadiness,
-	VoiceEngineV2BridgeRemoteTrackSubscriptionOptions,
-	VoiceEngineV2BridgeRemoteTrackSubscriptionQuality,
-	VoiceEngineV2BridgeSpeakingDetectionOptions,
-	VoiceEngineV2BridgeUpdateScreenShareEncodingOptions,
-} from './types';
-import {VOICE_ENGINE_V2_CAMERA_EFFECT_STRENGTH_MAX, VOICE_ENGINE_V2_CAMERA_EFFECT_STRENGTH_MIN} from './types';
-
-export function assertVoiceEngineV2BridgeAudioOptionsInvariants(options: {
-	sampleRate: number;
-	numChannels: number;
-}): void {
-	assertAudioFrameInvariants({
-		sampleRateHz: options.sampleRate,
-		numChannels: options.numChannels,
-		frameBytes: 1,
-		timestampNs: 1,
-	});
-}
-
-export function assertVoiceEngineV2BridgeVideoOptionsInvariants(options: {width: number; height: number}): void {
-	assertVideoFrameInvariants({
-		widthPx: options.width,
-		heightPx: options.height,
-		frameBytes: 1,
-		timestampNs: 1,
-	});
-}
-
-export function assertVoiceEngineV2BridgeEnvelopeSchema(received: number): void {
-	assertSchemaVersion(received);
-}
-
-export function unavailableVoiceEngineV2BridgeCapabilities(): VoiceEngineV2BridgeCapabilities {
-	return {
-		microphoneCapture: false,
-		syntheticMicrophonePcm: false,
-		cameraCapture: false,
-		nativeCameraBackgrounds: false,
-		screenShare: false,
-		screenShareEncodingUpdate: false,
-		screenShareAudio: false,
-		deviceLists: false,
-		outputDeviceSelection: false,
-		participantVolume: false,
-		remoteTrackSubscription: false,
-		dataChannel: false,
-		connectionStats: false,
-		nativeVideoFrames: false,
-		hardwareEncoderCapabilities: false,
-	};
-}
-
-export function normalizeVoiceEngineV2BridgeCapabilities(value: unknown): VoiceEngineV2BridgeCapabilities {
-	if (typeof value !== 'object' || value === null) {
-		return unavailableVoiceEngineV2BridgeCapabilities();
-	}
-	const candidate = value as Partial<VoiceEngineV2BridgeCapabilities> & {
-		microphone?: boolean;
-		camera?: boolean;
-		cameraBackgrounds?: boolean;
-		screen?: boolean;
-		screenAudio?: boolean;
-		outputDevice?: boolean;
-		dataChannel?: boolean;
-		stats?: boolean;
-		hardwareEncoding?: boolean;
-	};
-	return {
-		microphoneCapture: candidate.microphoneCapture === true || candidate.microphone === true,
-		syntheticMicrophonePcm: candidate.syntheticMicrophonePcm === true,
-		cameraCapture: candidate.cameraCapture === true || candidate.camera === true,
-		nativeCameraBackgrounds: candidate.nativeCameraBackgrounds === true || candidate.cameraBackgrounds === true,
-		screenShare: candidate.screenShare === true || candidate.screen === true,
-		screenShareEncodingUpdate: candidate.screenShareEncodingUpdate === true,
-		screenShareAudio: candidate.screenShareAudio === true || candidate.screenAudio === true,
-		deviceLists: candidate.deviceLists === true,
-		outputDeviceSelection: candidate.outputDeviceSelection === true || candidate.outputDevice === true,
-		participantVolume: candidate.participantVolume === true,
-		remoteTrackSubscription: candidate.remoteTrackSubscription === true,
-		dataChannel: candidate.dataChannel === true,
-		connectionStats: candidate.connectionStats === true || candidate.stats === true,
-		nativeVideoFrames: candidate.nativeVideoFrames === true,
-		hardwareEncoderCapabilities: candidate.hardwareEncoderCapabilities === true || candidate.hardwareEncoding === true,
-	};
-}
-
-export function unavailableVoiceEngineV2BridgeHardwareEncoderCapabilities(
-	reason: NonNullable<VoiceEngineV2BridgeHardwareEncoderCapabilities['reason']>,
-	detail?: string,
-): VoiceEngineV2BridgeHardwareEncoderCapabilities {
-	return {
-		available: false,
-		backend: 'none',
-		compiled: false,
-		runtime: false,
-		codecs: [],
-		zeroCopy: false,
-		nativeInputs: [],
-		reason,
-		...(detail ? {detail} : {}),
-	};
-}
-
-export function normalizeVoiceEngineV2BridgeHardwareEncoderCapabilities(
-	value: unknown,
-): VoiceEngineV2BridgeHardwareEncoderCapabilities {
-	if (typeof value !== 'object' || value === null) {
-		return unavailableVoiceEngineV2BridgeHardwareEncoderCapabilities(
-			'query-failed',
-			'Native addon returned an invalid result',
-		);
-	}
-	const candidate = value as Partial<VoiceEngineV2BridgeHardwareEncoderCapabilities>;
-	const backend = typeof candidate.backend === 'string' && candidate.backend.length > 0 ? candidate.backend : 'none';
-	return {
-		available: candidate.available === true,
-		backend,
-		compiled: candidate.compiled === true,
-		runtime: candidate.runtime === true,
-		codecs: Array.isArray(candidate.codecs) ? candidate.codecs.filter((codec) => typeof codec === 'string') : [],
-		zeroCopy: candidate.zeroCopy === true,
-		nativeInputs: Array.isArray(candidate.nativeInputs)
-			? candidate.nativeInputs.filter((input) => typeof input === 'string')
-			: [],
-		...(typeof candidate.reason === 'string' ? {reason: candidate.reason} : {}),
-		...(typeof candidate.detail === 'string' ? {detail: candidate.detail} : {}),
-	};
-}
-
-function isRecord(value: unknown): value is Record<string, unknown> {
-	return typeof value === 'object' && value !== null;
-}
-
-function isFiniteNumber(value: unknown): value is number {
-	return typeof value === 'number' && Number.isFinite(value);
-}
-
-function isPositiveFiniteNumber(value: unknown): value is number {
-	return isFiniteNumber(value) && value > 0;
-}
-
-function isOptionalPositiveFiniteNumber(value: unknown): value is number | undefined {
-	return value === undefined || isPositiveFiniteNumber(value);
-}
-
-function isOptionalDeepFilterNoiseReductionLevel(value: unknown): value is number | undefined {
-	if (value === undefined) return true;
-	return isFiniteNumber(value) && value >= 0 && value <= 100;
-}
-
-function isOptionalBoolean(value: unknown): value is boolean | undefined {
-	return value === undefined || typeof value === 'boolean';
-}
-
-function isOptionalString(value: unknown): value is string | undefined {
-	return value === undefined || typeof value === 'string';
-}
-
-function isOptionalCameraBackgroundMode(value: unknown): value is VoiceEngineV2BridgeCameraBackgroundMode | undefined {
-	return value === undefined || value === 'none' || value === 'non' || value === 'blur' || value === 'custom';
-}
-
-export function isVoiceEngineV2BridgeCameraEffectStrength(value: unknown): value is number {
-	return (
-		typeof value === 'number' &&
-		Number.isInteger(value) &&
-		value >= VOICE_ENGINE_V2_CAMERA_EFFECT_STRENGTH_MIN &&
-		value <= VOICE_ENGINE_V2_CAMERA_EFFECT_STRENGTH_MAX
-	);
-}
-
-function isOptionalCameraEffectStrength(value: unknown): value is number | undefined {
-	return value === undefined || isVoiceEngineV2BridgeCameraEffectStrength(value);
-}
-
-function isOptionalCameraBackgroundCustomMediaKind(
-	value: unknown,
-): value is VoiceEngineV2BridgeCameraBackgroundCustomMediaKind | undefined {
-	return value === undefined || value === 'static' || value === 'animated' || value === 'video';
-}
-
-function isStringArray(value: unknown): value is Array<string> {
-	return Array.isArray(value) && value.every((item) => typeof item === 'string');
-}
-
-function isOptionalStringArray(value: unknown): value is Array<string> | undefined {
-	return value === undefined || isStringArray(value);
-}
-
-function isArrayBuffer(value: unknown): value is ArrayBuffer {
-	return value instanceof ArrayBuffer || Object.prototype.toString.call(value) === '[object ArrayBuffer]';
-}
-
-function isFloat32Array(value: unknown): value is Float32Array {
-	return value instanceof Float32Array || Object.prototype.toString.call(value) === '[object Float32Array]';
-}
-
-export function isVoiceEngineV2BridgeBinaryPayload(value: unknown): value is ArrayBuffer | ArrayBufferView {
-	return isArrayBuffer(value) || ArrayBuffer.isView(value);
-}
-
-export function getVoiceEngineV2BridgeProcessedCameraI420ByteLength(width: number, height: number): number {
-	return (width * height * 3) / 2;
-}
-
-function isPositiveFiniteInteger(value: unknown): value is number {
-	return isPositiveFiniteNumber(value) && Number.isInteger(value);
-}
-
-function isPositiveEvenFiniteInteger(value: unknown): value is number {
-	return isPositiveFiniteInteger(value) && value % 2 === 0;
-}
-
-function getVoiceEngineV2BridgeBinaryPayloadByteLength(value: ArrayBuffer | ArrayBufferView): number {
-	return value.byteLength;
-}
-
-export function isVoiceEngineV2BridgeRemoteTrackSubscriptionQuality(
-	value: unknown,
-): value is VoiceEngineV2BridgeRemoteTrackSubscriptionQuality {
-	return value === 'low' || value === 'medium' || value === 'high';
-}
-
-export function isVoiceEngineV2BridgeConnectOptions(value: unknown): value is VoiceEngineV2BridgeConnectOptions {
-	if (!isRecord(value)) return false;
-	return (
-		typeof value.url === 'string' &&
-		value.url.length > 0 &&
-		typeof value.token === 'string' &&
-		value.token.length > 0 &&
-		(value.e2eeKey === undefined || value.e2eeKey === null || isArrayBuffer(value.e2eeKey))
-	);
-}
-
-const VOICE_ENGINE_V2_SCREEN_CODECS = new Set(['', 'vp8', 'vp9', 'h264', 'h265', 'av1']);
-const VOICE_ENGINE_V2_SCREEN_PACING_MODES = new Set(['sender', 'source']);
-
-export function isVoiceEngineV2BridgePublishScreenOptions(
-	value: unknown,
-): value is VoiceEngineV2BridgePublishScreenOptions {
-	if (!isRecord(value)) return false;
-	return (
-		typeof value.captureId === 'string' &&
-		value.captureId.length > 0 &&
-		isPositiveFiniteNumber(value.width) &&
-		isPositiveFiniteNumber(value.height) &&
-		(value.codec === undefined ||
-			(typeof value.codec === 'string' && VOICE_ENGINE_V2_SCREEN_CODECS.has(value.codec))) &&
-		isOptionalBoolean(value.hardwareEncoding) &&
-		isOptionalBoolean(value.zeroCopyRequired) &&
-		isOptionalPositiveFiniteNumber(value.maxBitrateBps) &&
-		isOptionalPositiveFiniteNumber(value.maxFramerate) &&
-		isOptionalBoolean(value.adaptiveSend) &&
-		isOptionalPositiveFiniteNumber(value.minVideoFps) &&
-		isOptionalPositiveFiniteNumber(value.maxAudioBufferMs) &&
-		(value.trackName === undefined || (typeof value.trackName === 'string' && value.trackName.length > 0)) &&
-		(value.pacing === undefined ||
-			(typeof value.pacing === 'string' && VOICE_ENGINE_V2_SCREEN_PACING_MODES.has(value.pacing)))
-	);
-}
-
-export function isVoiceEngineV2BridgeUpdateScreenShareEncodingOptions(
-	value: unknown,
-): value is VoiceEngineV2BridgeUpdateScreenShareEncodingOptions {
-	if (!isRecord(value)) return false;
-	return (
-		typeof value.captureId === 'string' &&
-		value.captureId.length > 0 &&
-		isPositiveFiniteNumber(value.width) &&
-		isPositiveFiniteNumber(value.height) &&
-		isOptionalPositiveFiniteNumber(value.frameRate) &&
-		isOptionalPositiveFiniteNumber(value.maxBitrateBps) &&
-		(value.codec === undefined ||
-			(typeof value.codec === 'string' && VOICE_ENGINE_V2_SCREEN_CODECS.has(value.codec))) &&
-		isOptionalBoolean(value.hardwareEncoding) &&
-		isOptionalBoolean(value.zeroCopyRequired)
-	);
-}
-
-export function isVoiceEngineV2BridgePublishMicrophoneOptions(
-	value: unknown,
-): value is VoiceEngineV2BridgePublishMicrophoneOptions {
-	if (!isRecord(value)) return false;
-	const mode = value.mode ?? 'device';
-	const pcmTestValuesAreValid =
-		mode !== 'pcm-test' || (isPositiveFiniteNumber(value.sampleRate) && isPositiveFiniteNumber(value.numChannels));
-	return (
-		(mode === 'device' || mode === 'pcm-test') &&
-		isOptionalString(value.deviceId) &&
-		isOptionalBoolean(value.echoCancellation) &&
-		isOptionalBoolean(value.noiseSuppression) &&
-		isOptionalBoolean(value.autoGainControl) &&
-		isOptionalBoolean(value.deepFilter) &&
-		isOptionalDeepFilterNoiseReductionLevel(value.deepFilterNoiseReductionLevel) &&
-		isOptionalPositiveFiniteNumber(value.sampleRate) &&
-		isOptionalPositiveFiniteNumber(value.numChannels) &&
-		isOptionalPositiveFiniteNumber(value.maxBitrateBps) &&
-		pcmTestValuesAreValid
-	);
-}
-
-export function isVoiceEngineV2BridgePcmFrame(value: unknown): value is VoiceEngineV2BridgePcmFrame {
-	if (!isRecord(value)) return false;
-	return (
-		isPositiveFiniteNumber(value.sampleRate) &&
-		isPositiveFiniteNumber(value.numChannels) &&
-		isArrayBuffer(value.samples)
-	);
-}
-
-export function isVoiceEngineV2BridgeFloatPcmFrame(value: unknown): value is VoiceEngineV2BridgeFloatPcmFrame {
-	if (!isRecord(value)) return false;
-	return (
-		isPositiveFiniteNumber(value.sampleRate) &&
-		isPositiveFiniteNumber(value.numChannels) &&
-		isFloat32Array(value.samples)
-	);
-}
-
-export function isVoiceEngineV2BridgePublishScreenAudioOptions(
-	value: unknown,
-): value is VoiceEngineV2BridgePublishScreenAudioOptions {
-	if (!isRecord(value)) return false;
-	return (
-		isPositiveFiniteNumber(value.sampleRate) &&
-		isPositiveFiniteNumber(value.numChannels) &&
-		(value.route === undefined || value.route === 'browser' || value.route === 'native') &&
-		isOptionalString(value.captureId) &&
-		isOptionalString(value.tapId)
-	);
-}
-
-export function isVoiceEngineV2ParticipantVolumeOptions(
-	value: unknown,
-): value is VoiceEngineV2BridgeParticipantVolumeOptions {
-	if (!isRecord(value)) return false;
-	return typeof value.participantSid === 'string' && value.participantSid.length > 0 && isFiniteNumber(value.volume);
-}
-
-export function clampVoiceEngineV2ParticipantVolume(volume: number): number {
-	if (!Number.isFinite(volume)) return 1;
-	return Math.max(0, Math.min(2, volume));
-}
-
-export function isVoiceEngineV2BridgeSpeakingDetectionOptions(
-	value: unknown,
-): value is VoiceEngineV2BridgeSpeakingDetectionOptions {
-	if (!isRecord(value)) return false;
-	return isPositiveFiniteNumber(value.localThresholdRms) && isPositiveFiniteNumber(value.remoteThresholdRms);
-}
-
-export function isVoiceEngineV2BridgeRemoteTrackSubscriptionOptions(
-	value: unknown,
-): value is VoiceEngineV2BridgeRemoteTrackSubscriptionOptions {
-	if (!isRecord(value)) return false;
-	return (
-		typeof value.participantIdentity === 'string' &&
-		value.participantIdentity.length > 0 &&
-		typeof value.source === 'string' &&
-		value.source.length > 0 &&
-		typeof value.subscribed === 'boolean' &&
-		isOptionalBoolean(value.enabled) &&
-		(value.quality === undefined || isVoiceEngineV2BridgeRemoteTrackSubscriptionQuality(value.quality))
-	);
-}
-
-export function isVoiceEngineV2BridgePublishDataOptions(
-	value: unknown,
-): value is VoiceEngineV2BridgePublishDataOptions {
-	if (!isRecord(value)) return false;
-	return (
-		isVoiceEngineV2BridgeBinaryPayload(value.payload) &&
-		isOptionalBoolean(value.reliable) &&
-		isOptionalString(value.topic) &&
-		isOptionalStringArray(value.destinationIdentities)
-	);
-}
-
-export function isVoiceEngineV2BridgePublishCameraOptions(
-	value: unknown,
-): value is VoiceEngineV2BridgePublishCameraOptions {
-	if (!isRecord(value)) return false;
-	return (
-		isOptionalString(value.deviceId) &&
-		isOptionalPositiveFiniteNumber(value.width) &&
-		isOptionalPositiveFiniteNumber(value.height) &&
-		isOptionalPositiveFiniteNumber(value.frameRate) &&
-		isOptionalBoolean(value.mirror) &&
-		isOptionalCameraBackgroundMode(value.backgroundMode) &&
-		isOptionalString(value.backgroundCustomMediaPath) &&
-		isOptionalCameraBackgroundCustomMediaKind(value.backgroundCustomMediaKind) &&
-		isOptionalCameraEffectStrength(value.backgroundBlurStrength)
-	);
-}
-
-export function isVoiceEngineV2BridgePublishProcessedCameraOptions(
-	value: unknown,
-): value is VoiceEngineV2BridgePublishProcessedCameraOptions {
-	if (!isRecord(value)) return false;
-	return (
-		isPositiveEvenFiniteInteger(value.width) &&
-		isPositiveEvenFiniteInteger(value.height) &&
-		isPositiveFiniteInteger(value.frameRate)
-	);
-}
-
-export function isVoiceEngineV2BridgePublishProcessedCameraResult(
-	value: unknown,
-): value is VoiceEngineV2BridgePublishProcessedCameraResult {
-	if (!isRecord(value)) return false;
-	return typeof value.trackSid === 'string' && value.trackSid.length > 0;
-}
-
-export function isVoiceEngineV2BridgeCameraPreviewInfo(value: unknown): value is VoiceEngineV2BridgeCameraPreviewInfo {
-	if (!isRecord(value)) return false;
-	return (
-		typeof value.trackSid === 'string' &&
-		value.trackSid.length > 0 &&
-		isPositiveEvenFiniteInteger(value.width) &&
-		isPositiveEvenFiniteInteger(value.height) &&
-		isPositiveFiniteInteger(value.frameRate)
-	);
-}
-
-export function isVoiceEngineV2BridgeProcessedCameraFrame(
-	value: unknown,
-): value is VoiceEngineV2BridgeProcessedCameraFrame {
-	if (!isRecord(value)) return false;
-	if (value.format !== 'i420') return false;
-	if (!isPositiveEvenFiniteInteger(value.width)) return false;
-	if (!isPositiveEvenFiniteInteger(value.height)) return false;
-	if (!isPositiveFiniteInteger(value.timestampUs)) return false;
-	if (!isVoiceEngineV2BridgeBinaryPayload(value.data)) return false;
-	const expectedBytes = getVoiceEngineV2BridgeProcessedCameraI420ByteLength(value.width, value.height);
-	return getVoiceEngineV2BridgeBinaryPayloadByteLength(value.data) === expectedBytes;
-}
-
-export function isVoiceEngineV2BridgeReadiness(value: unknown): value is VoiceEngineV2BridgeReadiness {
-	if (!isRecord(value)) return false;
-	if (typeof value.ready !== 'boolean') return false;
-	if (value.ready) return value.reason === undefined;
-	return isOptionalString(value.reason);
-}
-
-export function isVoiceEngineV2BridgePublishDeviceScreenShareOptions(
-	value: unknown,
-): value is VoiceEngineV2BridgePublishDeviceScreenShareOptions {
-	if (!isRecord(value)) return false;
-	return (
-		isOptionalString(value.deviceId) &&
-		isOptionalPositiveFiniteNumber(value.width) &&
-		isOptionalPositiveFiniteNumber(value.height) &&
-		isOptionalPositiveFiniteNumber(value.frameRate) &&
-		(value.codec === undefined ||
-			(typeof value.codec === 'string' && VOICE_ENGINE_V2_SCREEN_CODECS.has(value.codec))) &&
-		isOptionalPositiveFiniteNumber(value.maxBitrateBps) &&
-		isOptionalPositiveFiniteNumber(value.maxFramerate)
-	);
-}
@@ -1,7 +1,76 @@
 // SPDX-License-Identifier: AGPL-3.0-or-later

-export * from './admWarmup';
-export * from './guards';
-export * from './stats';
-export * from './translate';
-export * from './types';
+import type {VoiceEngineV2HardwareEncoderCapabilities} from '../protocol';
+import {assertAudioFrameInvariants, assertVideoFrameInvariants} from './ffi_assertions';
+
+export const VOICE_ENGINE_V2_HARDWARE_ENCODER_IPC_CHANNEL = 'voice-engine-v2:get-hardware-encoder-capabilities';
+
+export type VoiceEngineV2BridgeHardwareEncoderCapabilities = VoiceEngineV2HardwareEncoderCapabilities;
+
+export interface VoiceEngineV2BridgeHardwareEncoderApi {
+	getHardwareEncoderCapabilities(): Promise<VoiceEngineV2BridgeHardwareEncoderCapabilities>;
+}
+
+export function assertVoiceEngineV2BridgeAudioOptionsInvariants(options: {
+	sampleRate: number;
+	numChannels: number;
+}): void {
+	assertAudioFrameInvariants({
+		sampleRateHz: options.sampleRate,
+		numChannels: options.numChannels,
+		frameBytes: 1,
+		timestampNs: 1,
+	});
+}
+
+export function assertVoiceEngineV2BridgeVideoOptionsInvariants(options: {width: number; height: number}): void {
+	assertVideoFrameInvariants({
+		widthPx: options.width,
+		heightPx: options.height,
+		frameBytes: 1,
+		timestampNs: 1,
+	});
+}
+
+export function unavailableVoiceEngineV2BridgeHardwareEncoderCapabilities(
+	reason: NonNullable<VoiceEngineV2BridgeHardwareEncoderCapabilities['reason']>,
+	detail?: string,
+): VoiceEngineV2BridgeHardwareEncoderCapabilities {
+	return {
+		available: false,
+		backend: 'none',
+		compiled: false,
+		runtime: false,
+		codecs: [],
+		zeroCopy: false,
+		nativeInputs: [],
+		reason,
+		...(detail ? {detail} : {}),
+	};
+}
+
+export function normalizeVoiceEngineV2BridgeHardwareEncoderCapabilities(
+	value: unknown,
+): VoiceEngineV2BridgeHardwareEncoderCapabilities {
+	if (typeof value !== 'object' || value === null) {
+		return unavailableVoiceEngineV2BridgeHardwareEncoderCapabilities(
+			'query-failed',
+			'Native addon returned an invalid result',
+		);
+	}
+	const candidate = value as Partial<VoiceEngineV2BridgeHardwareEncoderCapabilities>;
+	const backend = typeof candidate.backend === 'string' && candidate.backend.length > 0 ? candidate.backend : 'none';
+	return {
+		available: candidate.available === true,
+		backend,
+		compiled: candidate.compiled === true,
+		runtime: candidate.runtime === true,
+		codecs: Array.isArray(candidate.codecs) ? candidate.codecs.filter((codec) => typeof codec === 'string') : [],
+		zeroCopy: candidate.zeroCopy === true,
+		nativeInputs: Array.isArray(candidate.nativeInputs)
+			? candidate.nativeInputs.filter((input) => typeof input === 'string')
+			: [],
+		...(typeof candidate.reason === 'string' ? {reason: candidate.reason} : {}),
+		...(typeof candidate.detail === 'string' ? {detail: candidate.detail} : {}),
+	};
+}
@@ -1,141 +0,0 @@
-// SPDX-License-Identifier: AGPL-3.0-or-later
-
-import type {
-	VoiceEngineV2BridgeInboundStat,
-	VoiceEngineV2BridgeOutboundStat,
-	VoiceEngineV2BridgeSendStats,
-	VoiceEngineV2BridgeStats,
-	VoiceEngineV2BridgeTrackKind,
-} from './types';
-
-function asTrackKind(value: unknown): VoiceEngineV2BridgeTrackKind {
-	return value === 'video' ? 'video' : 'audio';
-}
-
-function asNumber(value: unknown): number {
-	return typeof value === 'number' && Number.isFinite(value) ? value : 0;
-}
-
-function asNonNegativeNumber(value: unknown): number {
-	return Math.max(0, asNumber(value));
-}
-
-function asOptionalNumber(value: unknown): number | undefined {
-	return typeof value === 'number' && Number.isFinite(value) ? value : undefined;
-}
-
-function asOptionalCount(value: unknown): number | undefined {
-	const number = asOptionalNumber(value);
-	return number == null ? undefined : Math.max(0, Math.trunc(number));
-}
-
-function asString(value: unknown): string | undefined {
-	return typeof value === 'string' && value.length > 0 ? value : undefined;
-}
-
-function coerceVoiceEngineV2BridgeSendStats(value: unknown): VoiceEngineV2BridgeSendStats | null | undefined {
-	if (value == null || typeof value !== 'object') return value === null ? null : undefined;
-	const payload = value as Record<string, unknown>;
-	return {
-		outgoingVideoQueueDepth: asNonNegativeNumber(payload.outgoingVideoQueueDepth),
-		outgoingVideoQueueCapacity: asNonNegativeNumber(payload.outgoingVideoQueueCapacity),
-		outgoingVideoMaxQueueDepth: asNonNegativeNumber(payload.outgoingVideoMaxQueueDepth),
-		outgoingVideoFramesProduced: asNonNegativeNumber(payload.outgoingVideoFramesProduced),
-		outgoingVideoFramesAccepted: asNonNegativeNumber(payload.outgoingVideoFramesAccepted),
-		outgoingVideoFramesDropped: asNonNegativeNumber(payload.outgoingVideoFramesDropped),
-		outgoingVideoFramesCoalesced: asNonNegativeNumber(payload.outgoingVideoFramesCoalesced),
-		outgoingVideoFramesCaptured: asNonNegativeNumber(payload.outgoingVideoFramesCaptured),
-		outgoingVideoCaptureFailures: asNonNegativeNumber(payload.outgoingVideoCaptureFailures),
-		outgoingVideoEffectiveFps: asNonNegativeNumber(payload.outgoingVideoEffectiveFps),
-		outgoingVideoTargetFps: asNonNegativeNumber(payload.outgoingVideoTargetFps),
-		outgoingVideoPacingTargetFps: asNonNegativeNumber(payload.outgoingVideoPacingTargetFps),
-		outgoingVideoMaxQueueAgeMs: asNonNegativeNumber(payload.outgoingVideoMaxQueueAgeMs),
-		outgoingVideoMaxPushLatencyMs: asNonNegativeNumber(payload.outgoingVideoMaxPushLatencyMs),
-		outgoingVideoPacingMode: asString(payload.outgoingVideoPacingMode) ?? 'unknown',
-		outgoingVideoBusActive: payload.outgoingVideoBusActive === true,
-		outgoingAudioBufferTargetMs: asNonNegativeNumber(payload.outgoingAudioBufferTargetMs),
-		outgoingAudioBufferMaxMs: asNonNegativeNumber(payload.outgoingAudioBufferMaxMs),
-		outgoingAudioUnderruns: asNonNegativeNumber(payload.outgoingAudioUnderruns),
-		outgoingAudioRebuffers: asNonNegativeNumber(payload.outgoingAudioRebuffers),
-		outgoingAudioMaxFrameGapMs: asNonNegativeNumber(payload.outgoingAudioMaxFrameGapMs),
-		adaptiveSendTier: asString(payload.adaptiveSendTier) ?? 'unknown',
-		adaptiveSendReason: asString(payload.adaptiveSendReason) ?? 'unknown',
-	};
-}
-
-function coerceVoiceEngineV2BridgeOutboundStat(entry: unknown): Array<VoiceEngineV2BridgeOutboundStat> {
-	if (entry == null || typeof entry !== 'object') return [];
-	const e = entry as Record<string, unknown>;
-	const zeroCopy = e.zeroCopy === true ? true : undefined;
-	return [
-		{
-			trackSid: asString(e.trackSid) ?? '',
-			source: asString(e.source) ?? '',
-			kind: asTrackKind(e.kind),
-			codec: asString(e.codec),
-			bitrateKbps: asNumber(e.bitrateKbps),
-			packetsLost: asNumber(e.packetsLost),
-			fps: asOptionalNumber(e.fps),
-			audioLevel: asOptionalNumber(e.audioLevel),
-			width: asOptionalCount(e.width),
-			height: asOptionalCount(e.height),
-			sourceWidth: asOptionalCount(e.sourceWidth),
-			sourceHeight: asOptionalCount(e.sourceHeight),
-			targetBitrateKbps: asOptionalNumber(e.targetBitrateKbps),
-			configuredFps: asOptionalNumber(e.configuredFps),
-			targetFps: asOptionalNumber(e.targetFps),
-			effectiveFps: asOptionalNumber(e.effectiveFps),
-			framesProduced: asOptionalCount(e.framesProduced),
-			framesAccepted: asOptionalCount(e.framesAccepted),
-			framesDropped: asOptionalCount(e.framesDropped),
-			framesCoalesced: asOptionalCount(e.framesCoalesced),
-			framesCaptured: asOptionalCount(e.framesCaptured),
-			captureFailures: asOptionalCount(e.captureFailures),
-			maxQueueAgeMs: asOptionalNumber(e.maxQueueAgeMs),
-			maxPushLatencyMs: asOptionalNumber(e.maxPushLatencyMs),
-			adaptiveSendTier: asString(e.adaptiveSendTier),
-			adaptiveSendReason: asString(e.adaptiveSendReason),
-			...(zeroCopy === true ? {zeroCopy} : {}),
-		},
-	];
-}
-
-function coerceVoiceEngineV2BridgeInboundStat(entry: unknown): Array<VoiceEngineV2BridgeInboundStat> {
-	if (entry == null || typeof entry !== 'object') return [];
-	const e = entry as Record<string, unknown>;
-	const participantIdentity = asString(e.participantIdentity);
-	return [
-		{
-			...(participantIdentity ? {participantIdentity} : {}),
-			participantSid: asString(e.participantSid) ?? '',
-			trackSid: asString(e.trackSid) ?? '',
-			source: asString(e.source),
-			kind: asTrackKind(e.kind),
-			codec: asString(e.codec),
-			bitrateKbps: asNumber(e.bitrateKbps),
-			packetsLost: asNumber(e.packetsLost),
-			jitterMs: asOptionalNumber(e.jitterMs),
-			audioLevel: asOptionalNumber(e.audioLevel),
-			width: asOptionalCount(e.width),
-			height: asOptionalCount(e.height),
-			fps: asOptionalNumber(e.fps),
-			sourceWidth: asOptionalCount(e.sourceWidth),
-			sourceHeight: asOptionalCount(e.sourceHeight),
-		},
-	];
-}
-
-export function coerceVoiceEngineV2BridgeStats(payload: Record<string, unknown>): VoiceEngineV2BridgeStats {
-	const rttRaw = payload.rttMs;
-	const rttMs = typeof rttRaw === 'number' && Number.isFinite(rttRaw) ? rttRaw : null;
-	const droppedNativeVideoFrames = asOptionalCount(payload.droppedNativeVideoFrames);
-	const droppedVideoFrameCallbacks = asOptionalCount(payload.droppedVideoFrameCallbacks);
-	const outbound = Array.isArray(payload.outbound)
-		? payload.outbound.flatMap((entry) => coerceVoiceEngineV2BridgeOutboundStat(entry))
-		: [];
-	const inbound = Array.isArray(payload.inbound)
-		? payload.inbound.flatMap((entry) => coerceVoiceEngineV2BridgeInboundStat(entry))
-		: [];
-	const send = coerceVoiceEngineV2BridgeSendStats(payload.send);
-	return {rttMs, outbound, inbound, droppedNativeVideoFrames, droppedVideoFrameCallbacks, send};
-}
@@ -1,310 +0,0 @@
-// SPDX-License-Identifier: AGPL-3.0-or-later
-
-import type {
-	VoiceEngineV2Event,
-	VoiceEngineV2NativeAudioDeviceModuleStatus,
-	VoiceEngineV2TrackKind,
-	VoiceEngineV2TrackSource,
-} from '../protocol';
-import {assertVideoFrameInvariants} from './ffi_assertions';
-import type {VoiceEngineV2BridgeEvent, VoiceEngineV2BridgeKnownEventType, VoiceEngineV2BridgeVideoFrame} from './types';
-
-type VoiceEngineV2RoomTrackPublishedEvent = Extract<VoiceEngineV2Event, {type: 'room.trackPublished'}>;
-
-type VoiceEngineV2BridgeRecord = Record<string, unknown>;
-
-function bridgeString(value: unknown): string | null {
-	return typeof value === 'string' && value.length > 0 ? value : null;
-}
-
-function bridgeBoolean(value: unknown): boolean {
-	return value === true;
-}
-
-function bridgeAudioDeviceModuleStatus(value: unknown): VoiceEngineV2NativeAudioDeviceModuleStatus | null {
-	if (value === 'warming' || value === 'ready' || value === 'failed') return value;
-	return null;
-}
-
-function normalizeVoiceEngineV2BridgeTrackSource(value: unknown): VoiceEngineV2TrackSource | string {
-	switch (value) {
-		case 'microphone':
-			return 'microphone';
-		case 'camera':
-			return 'camera';
-		case 'screen':
-		case 'screen_share':
-		case 'screenshare':
-			return 'screen';
-		case 'screenAudio':
-		case 'screen_share_audio':
-		case 'screenshareAudio':
-		case 'screenshare_audio':
-		case 'screen_audio':
-		case 'system_audio':
-			return 'screenAudio';
-		default:
-			return 'unknown';
-	}
-}
-
-function normalizeVoiceEngineV2BridgeTrackKind(value: unknown): VoiceEngineV2TrackKind | null {
-	return value === 'audio' || value === 'video' ? value : null;
-}
-
-function participantEventFromBridgePayload(payload: VoiceEngineV2BridgeRecord): VoiceEngineV2Event | null {
-	const identity = bridgeString(payload.identity);
-	const sid = bridgeString(payload.sid);
-	if (!identity || !sid) return null;
-	return {
-		type: 'room.participantJoined',
-		participant: {
-			identity,
-			sid,
-			name: bridgeString(payload.name) ?? identity,
-		},
-	};
-}
-
-function trackEventFromBridgePayload(payload: VoiceEngineV2BridgeRecord): VoiceEngineV2RoomTrackPublishedEvent | null {
-	const participantIdentity = bridgeString(payload.identity) ?? bridgeString(payload.participantIdentity);
-	const participantSid = bridgeString(payload.participantSid);
-	const trackSid = bridgeString(payload.trackSid);
-	const kind = normalizeVoiceEngineV2BridgeTrackKind(payload.kind);
-	if (!participantIdentity || !participantSid || !trackSid || !kind) return null;
-	const source = normalizeVoiceEngineV2BridgeTrackSource(payload.source);
-	return {
-		type: 'room.trackPublished',
-		track: {
-			participantIdentity,
-			participantSid,
-			trackSid,
-			trackName: bridgeString(payload.trackName) ?? String(source),
-			kind,
-			source,
-			muted: bridgeBoolean(payload.muted),
-		},
-	};
-}
-
-function nativeAudioDeviceModuleStatusEventFromBridgePayload(
-	payload: VoiceEngineV2BridgeRecord,
-): VoiceEngineV2Event | null {
-	const status = bridgeAudioDeviceModuleStatus(payload.status);
-	if (!status) return null;
-	const detail = bridgeString(payload.detail);
-	return {
-		type: 'nativeAudioDeviceModule.statusChanged',
-		status,
-		...(detail ? {detail} : {}),
-	};
-}
-
-const VOICE_ENGINE_V2_BRIDGE_KNOWN_EVENT_TYPE_FLAGS: {[Type in VoiceEngineV2BridgeKnownEventType]: true} = {
-	connected: true,
-	connectionState: true,
-	disconnected: true,
-	participantJoined: true,
-	participantLeft: true,
-	participantNameChanged: true,
-	participantMetadataChanged: true,
-	participantAttributesChanged: true,
-	trackPublished: true,
-	trackUnpublished: true,
-	trackSubscribed: true,
-	trackUnsubscribed: true,
-	trackSubscriptionFailed: true,
-	trackMuted: true,
-	trackUnmuted: true,
-	localTrackPublished: true,
-	localTrackUnpublished: true,
-	localTrackRepublished: true,
-	activeSpeakers: true,
-	speakingChanged: true,
-	connectionQuality: true,
-	dataReceived: true,
-	e2eeState: true,
-	stats: true,
-	audioPlaybackUnavailable: true,
-	engineReady: true,
-	audioDeviceModuleStatus: true,
-};
-
-const VOICE_ENGINE_V2_BRIDGE_KNOWN_EVENT_TYPE_SET: ReadonlySet<string> = new Set(
-	Object.keys(VOICE_ENGINE_V2_BRIDGE_KNOWN_EVENT_TYPE_FLAGS),
-);
-
-export function isVoiceEngineV2BridgeKnownEventType(value: string): value is VoiceEngineV2BridgeKnownEventType {
-	return VOICE_ENGINE_V2_BRIDGE_KNOWN_EVENT_TYPE_SET.has(value);
-}
-
-export const VOICE_ENGINE_V2_BRIDGE_DROPPED_EVENTS_COUNT_MAX = 1_000_000_000;
-
-export interface VoiceEngineV2BridgeDroppedEventCounts {
-	malformedPayloadCount: number;
-	unknownTypeCount: number;
-}
-
-let bridgeMalformedPayloadCount = 0;
-let bridgeUnknownTypeCount = 0;
-
-function saturatingDroppedEventCount(count: number): number {
-	return Math.min(count + 1, VOICE_ENGINE_V2_BRIDGE_DROPPED_EVENTS_COUNT_MAX);
-}
-
-export function getVoiceEngineV2BridgeDroppedEventCounts(): VoiceEngineV2BridgeDroppedEventCounts {
-	return {
-		malformedPayloadCount: bridgeMalformedPayloadCount,
-		unknownTypeCount: bridgeUnknownTypeCount,
-	};
-}
-
-export function resetVoiceEngineV2BridgeDroppedEventCounts(): void {
-	bridgeMalformedPayloadCount = 0;
-	bridgeUnknownTypeCount = 0;
-}
-
-type VoiceEngineV2BridgeTranslationResult = Array<VoiceEngineV2Event> | 'ignored' | 'malformed';
-
-export function translateVoiceEngineV2BridgeEventToEvents(event: VoiceEngineV2BridgeEvent): Array<VoiceEngineV2Event> {
-	if (!isVoiceEngineV2BridgeKnownEventType(event.type)) {
-		bridgeUnknownTypeCount = saturatingDroppedEventCount(bridgeUnknownTypeCount);
-		return [];
-	}
-	const payload = event.payload as VoiceEngineV2BridgeRecord;
-	const translated = translateKnownVoiceEngineV2BridgeEvent(event.type, payload);
-	if (translated === 'ignored') return [];
-	if (translated === 'malformed') {
-		bridgeMalformedPayloadCount = saturatingDroppedEventCount(bridgeMalformedPayloadCount);
-		return [];
-	}
-	return translated;
-}
-
-function translateKnownVoiceEngineV2BridgeEvent(
-	type: VoiceEngineV2BridgeKnownEventType,
-	payload: VoiceEngineV2BridgeRecord,
-): VoiceEngineV2BridgeTranslationResult {
-	switch (type) {
-		case 'participantJoined':
-		case 'participantNameChanged':
-		case 'participantMetadataChanged':
-		case 'participantAttributesChanged': {
-			const participantEvent = participantEventFromBridgePayload(payload);
-			return participantEvent ? [participantEvent] : 'malformed';
-		}
-		case 'participantLeft':
-			return participantLeftEventsFromBridgePayload(payload);
-		case 'trackPublished':
-		case 'localTrackPublished': {
-			const trackEvent = trackEventFromBridgePayload(payload);
-			return trackEvent ? [trackEvent] : 'malformed';
-		}
-		case 'trackSubscribed':
-			return trackSubscribedEventsFromBridgePayload(payload);
-		case 'trackUnpublished':
-		case 'localTrackUnpublished': {
-			const trackSid = bridgeString(payload.trackSid);
-			return trackSid
-				? [
-						{type: 'room.trackUnpublished', trackSid},
-						{type: 'inboundVideo.trackUnsubscribed', trackSid},
-					]
-				: 'malformed';
-		}
-		case 'trackUnsubscribed':
-		case 'trackSubscriptionFailed': {
-			const trackSid = bridgeString(payload.trackSid);
-			return trackSid ? [{type: 'inboundVideo.trackUnsubscribed', trackSid}] : 'malformed';
-		}
-		case 'trackMuted': {
-			const trackSid = bridgeString(payload.trackSid);
-			return trackSid ? [{type: 'room.trackMuted', trackSid}] : 'malformed';
-		}
-		case 'trackUnmuted': {
-			const trackSid = bridgeString(payload.trackSid);
-			return trackSid ? [{type: 'room.trackUnmuted', trackSid}] : 'malformed';
-		}
-		case 'activeSpeakers':
-			return Array.isArray(payload.participants)
-				? payload.participants.flatMap((participant) =>
-						typeof participant === 'object' && participant !== null
-							? (participantEventFromBridgePayload(participant as VoiceEngineV2BridgeRecord) ?? [])
-							: [],
-					)
-				: 'malformed';
-		case 'connected':
-		case 'connectionState':
-		case 'disconnected':
-		case 'localTrackRepublished':
-		case 'speakingChanged':
-		case 'connectionQuality':
-		case 'dataReceived':
-		case 'e2eeState':
-		case 'stats':
-		case 'audioPlaybackUnavailable':
-		case 'engineReady':
-			return 'ignored';
-		case 'audioDeviceModuleStatus': {
-			const event = nativeAudioDeviceModuleStatusEventFromBridgePayload(payload);
-			return event ? [event] : 'malformed';
-		}
-	}
-}
-
-function participantLeftEventsFromBridgePayload(
-	payload: VoiceEngineV2BridgeRecord,
-): VoiceEngineV2BridgeTranslationResult {
-	const participantIdentity = bridgeString(payload.identity);
-	const participantSid = bridgeString(payload.sid);
-	if (!participantIdentity && !participantSid) return 'malformed';
-	return [
-		{
-			type: 'room.participantLeft',
-			...(participantIdentity ? {participantIdentity} : {}),
-			...(participantSid ? {participantSid} : {}),
-		},
-	];
-}
-
-function trackSubscribedEventsFromBridgePayload(
-	payload: VoiceEngineV2BridgeRecord,
-): VoiceEngineV2BridgeTranslationResult {
-	const trackEvent = trackEventFromBridgePayload(payload);
-	if (!trackEvent) return 'malformed';
-	if (trackEvent.track.kind !== 'video') return [trackEvent];
-	return [
-		trackEvent,
-		{
-			type: 'inboundVideo.trackSubscribed',
-			track: {
-				participantSid: trackEvent.track.participantSid,
-				participantIdentity: trackEvent.track.participantIdentity,
-				trackSid: trackEvent.track.trackSid,
-				source: trackEvent.track.source,
-			},
-		},
-	];
-}
-
-export function translateVoiceEngineV2BridgeVideoFrameToEvent(
-	frame: VoiceEngineV2BridgeVideoFrame,
-): VoiceEngineV2Event {
-	assertVideoFrameInvariants({
-		widthPx: frame.meta.width,
-		heightPx: frame.meta.height,
-		frameBytes: frame.data.byteLength,
-		timestampNs: frame.meta.timestampUs * 1000,
-	});
-	return {
-		type: 'inboundVideo.frameReceived',
-		frame: {
-			participantSid: frame.meta.participantSid,
-			trackSid: frame.meta.trackSid,
-			width: frame.meta.width,
-			height: frame.meta.height,
-			timestampUs: frame.meta.timestampUs,
-			byteLength: frame.data.byteLength,
-		},
-	};
-}
@@ -1,680 +0,0 @@
-// SPDX-License-Identifier: AGPL-3.0-or-later
-// biome-ignore-all lint/suspicious/noConfusingVoidType: IPC result metadata mirrors void-returning bridge methods.
-
-import type {
-	VoiceEngineV2CameraOptions,
-	VoiceEngineV2ConnectOptions,
-	VoiceEngineV2DataOptions,
-	VoiceEngineV2HardwareEncoderCapabilities,
-	VoiceEngineV2PcmFrame,
-	VoiceEngineV2RemoteTrackQuality,
-	VoiceEngineV2RemoteTrackSubscriptionOptions,
-	VoiceEngineV2ScreenAudioOptions,
-	VoiceEngineV2ScreenOptions,
-	VoiceEngineV2SendStats,
-	VoiceEngineV2TrackKind,
-	VoiceEngineV2TrackSource,
-	VoiceEngineV2VideoCodec,
-} from '../protocol';
-
-export const VOICE_ENGINE_V2_BRIDGE_VERSION = 18;
-
-export type VoiceEngineV2BridgeMethodName =
-	| 'isSupported'
-	| 'getCapabilities'
-	| 'prewarm'
-	| 'getHardwareEncoderCapabilities'
-	| 'connect'
-	| 'disconnect'
-	| 'isConnected'
-	| 'publishMicrophone'
-	| 'pushPcm'
-	| 'publishScreen'
-	| 'updateScreenShareEncoding'
-	| 'unpublishScreen'
-	| 'publishScreenAudio'
-	| 'pushScreenAudioPcm'
-	| 'pushScreenAudioFloat'
-	| 'unpublishScreenAudio'
-	| 'setMicEnabled'
-	| 'setSpeakingDetection'
-	| 'listAudioInputDevices'
-	| 'listAudioOutputDevices'
-	| 'setAudioOutputDevice'
-	| 'setParticipantVolume'
-	| 'setRemoteTrackSubscription'
-	| 'publishData'
-	| 'listCameraDevices'
-	| 'publishCamera'
-	| 'updateCameraCapture'
-	| 'publishNativeCameraSink'
-	| 'publishProcessedCamera'
-	| 'pushProcessedCameraFrame'
-	| 'pushCameraBackgroundFrame'
-	| 'clearCameraBackgroundFrame'
-	| 'publishDeviceScreenShare'
-	| 'unpublishCamera'
-	| 'isPublishingCamera'
-	| 'startCameraPreview'
-	| 'stopCameraPreview'
-	| 'getConnectionStats'
-	| 'getVoiceEngineReadiness'
-	| 'getAudioDeviceModuleState'
-	| 'onEvent'
-	| 'onVideoFrame';
-
-export type VoiceEngineV2InvokeMethodName = Exclude<VoiceEngineV2BridgeMethodName, 'onEvent' | 'onVideoFrame'>;
-
-export type VoiceEngineV2BridgeConnectOptions = VoiceEngineV2ConnectOptions;
-
-export type VoiceEngineV2BridgeScreenPacing = 'sender' | 'source';
-
-export interface VoiceEngineV2BridgePublishScreenOptions extends VoiceEngineV2ScreenOptions {
-	codec?: VoiceEngineV2VideoCodec;
-	pacing?: VoiceEngineV2BridgeScreenPacing;
-	trackName?: string;
-}
-
-export interface VoiceEngineV2BridgeUpdateScreenShareEncodingOptions {
-	captureId: string;
-	width: number;
-	height: number;
-	frameRate?: number;
-	maxBitrateBps?: number;
-	codec?: VoiceEngineV2VideoCodec;
-	hardwareEncoding?: boolean;
-	zeroCopyRequired?: boolean;
-}
-
-export interface VoiceEngineV2BridgePublishMicrophoneOptions {
-	mode?: 'device' | 'pcm-test';
-	deviceId?: string;
-	echoCancellation?: boolean;
-	noiseSuppression?: boolean;
-	autoGainControl?: boolean;
-	deepFilter?: boolean;
-	deepFilterNoiseReductionLevel?: number;
-	sampleRate?: number;
-	numChannels?: number;
-	maxBitrateBps?: number;
-}
-
-export type VoiceEngineV2BridgePcmFrame = VoiceEngineV2PcmFrame;
-export interface VoiceEngineV2BridgeFloatPcmFrame {
-	sampleRate: number;
-	numChannels: number;
-	samples: Float32Array;
-}
-export type VoiceEngineV2BridgePublishScreenAudioOptions = VoiceEngineV2ScreenAudioOptions;
-export type VoiceEngineV2BridgePublishDataOptions = VoiceEngineV2DataOptions;
-
-export type VoiceEngineV2BridgeTrackKind = VoiceEngineV2TrackKind;
-export type VoiceEngineV2BridgeTrackSource =
-	| VoiceEngineV2TrackSource
-	| 'screen_share'
-	| 'screen_share_audio'
-	| 'screenshare'
-	| 'screenshareAudio';
-export type VoiceEngineV2BridgeSubscriptionStatus = 'desired' | 'subscribed' | 'unsubscribed';
-export type VoiceEngineV2BridgeConnectionQuality = 'excellent' | 'good' | 'poor' | 'lost';
-
-export interface VoiceEngineV2BridgeParticipantEventPayload {
-	sid: string;
-	identity: string;
-	name: string;
-}
-
-export interface VoiceEngineV2BridgeTrackEventPayload {
-	participantSid: string;
-	identity: string;
-	participantName: string;
-	trackSid: string;
-	trackName: string;
-	kind: VoiceEngineV2BridgeTrackKind;
-	source: VoiceEngineV2BridgeTrackSource;
-	muted: boolean;
-}
-
-export interface VoiceEngineV2BridgeSubscribedTrackEventPayload extends VoiceEngineV2BridgeTrackEventPayload {
-	subscribed: boolean;
-	subscriptionStatus: VoiceEngineV2BridgeSubscriptionStatus;
-}
-
-export interface VoiceEngineV2BridgeTrackSubscriptionFailedEventPayload {
-	participantSid: string;
-	identity: string;
-	participantName: string;
-	trackSid: string;
-	error: string;
-	trackName?: string;
-	kind?: VoiceEngineV2BridgeTrackKind;
-	source?: VoiceEngineV2BridgeTrackSource;
-	muted?: boolean;
-	subscribed?: boolean;
-	subscriptionStatus?: VoiceEngineV2BridgeSubscriptionStatus;
-}
-
-export interface VoiceEngineV2BridgeLocalTrackRepublishedEventPayload extends VoiceEngineV2BridgeTrackEventPayload {
-	previousTrackSid: string;
-}
-
-export interface VoiceEngineV2BridgeEventPayloads {
-	connected: Record<string, never>;
-	connectionState: {state: string};
-	disconnected: {reason: string};
-	participantJoined: VoiceEngineV2BridgeParticipantEventPayload;
-	participantLeft: VoiceEngineV2BridgeParticipantEventPayload;
-	participantNameChanged: {sid: string; identity: string; oldName: string; name: string};
-	participantMetadataChanged: {
-		sid: string;
-		identity: string;
-		name: string;
-		oldMetadata: string;
-		metadata: string;
-		attributes: Record<string, string>;
-	};
-	participantAttributesChanged: {
-		sid: string;
-		identity: string;
-		name: string;
-		attributes: Record<string, string>;
-		changedAttributes: Record<string, string>;
-	};
-	trackPublished: VoiceEngineV2BridgeSubscribedTrackEventPayload;
-	trackUnpublished: VoiceEngineV2BridgeSubscribedTrackEventPayload;
-	trackSubscribed: VoiceEngineV2BridgeSubscribedTrackEventPayload;
-	trackUnsubscribed: VoiceEngineV2BridgeSubscribedTrackEventPayload;
-	trackSubscriptionFailed: VoiceEngineV2BridgeTrackSubscriptionFailedEventPayload;
-	trackMuted: VoiceEngineV2BridgeTrackEventPayload;
-	trackUnmuted: VoiceEngineV2BridgeTrackEventPayload;
-	localTrackPublished: VoiceEngineV2BridgeTrackEventPayload;
-	localTrackUnpublished: VoiceEngineV2BridgeTrackEventPayload;
-	localTrackRepublished: VoiceEngineV2BridgeLocalTrackRepublishedEventPayload;
-	activeSpeakers: {
-		sids: Array<string>;
-		participants: Array<VoiceEngineV2BridgeParticipantEventPayload>;
-	};
-	speakingChanged: {
-		participantSid: string;
-		identity: string;
-		trackSid: string;
-		source: VoiceEngineV2BridgeTrackSource;
-		isLocal: boolean;
-		speaking: boolean;
-	};
-	connectionQuality: {
-		sid: string;
-		identity: string;
-		name: string;
-		quality: VoiceEngineV2BridgeConnectionQuality;
-	};
-	dataReceived: {
-		payloadBytes: Array<number>;
-		payloadText?: string;
-		topic?: string;
-		reliable: boolean;
-		kind: 'reliable' | 'lossy';
-		participantSid?: string;
-		identity?: string;
-		participantName?: string;
-	};
-	e2eeState: {sid: string; identity: string; name: string; state: string};
-	stats: VoiceEngineV2BridgeStats;
-	audioPlaybackUnavailable: {message: string};
-	engineReady: {ready: true};
-	audioDeviceModuleStatus: VoiceEngineV2BridgeAudioDeviceModuleState;
-}
-
-export const VOICE_ENGINE_V2_ENGINE_READY_EVENT_TYPE = 'engineReady';
-export const VOICE_ENGINE_V2_ADM_STATUS_EVENT_TYPE = 'audioDeviceModuleStatus';
-
-export interface VoiceEngineV2BridgeReadiness {
-	ready: boolean;
-	reason?: string;
-}
-
-export type VoiceEngineV2BridgeAudioDeviceModuleStatus = 'warming' | 'ready' | 'failed';
-
-export interface VoiceEngineV2BridgeAudioDeviceModuleState {
-	status: VoiceEngineV2BridgeAudioDeviceModuleStatus;
-	detail?: string;
-}
-
-export type VoiceEngineV2BridgeKnownEventType = keyof VoiceEngineV2BridgeEventPayloads;
-export type VoiceEngineV2BridgeEventType = VoiceEngineV2BridgeKnownEventType | (string & {});
-export type VoiceEngineV2BridgeKnownEvent = {
-	[Type in VoiceEngineV2BridgeKnownEventType]: {type: Type; payload: VoiceEngineV2BridgeEventPayloads[Type]};
-}[VoiceEngineV2BridgeKnownEventType];
-export type VoiceEngineV2BridgeEvent =
-	| VoiceEngineV2BridgeKnownEvent
-	| {type: string & {}; payload: Record<string, unknown>};
-
-export interface VoiceEngineV2BridgeVideoFrameMeta {
-	bridgeVersion?: number;
-	participantSid: string;
-	participantIdentity?: string;
-	trackSid: string;
-	trackName?: string;
-	source?: VoiceEngineV2BridgeTrackSource;
-	width: number;
-	height: number;
-	timestampUs: number;
-}
-
-export interface VoiceEngineV2BridgeVideoFrame {
-	meta: VoiceEngineV2BridgeVideoFrameMeta;
-	data: ArrayBuffer;
-}
-
-export type VoiceEngineV2BridgeAudioDeviceRole = 'default' | 'communications' | 'endpoint';
-
-export interface VoiceEngineV2BridgeAudioOutputDevice {
-	deviceId: string;
-	label: string;
-	isDefault: boolean;
-	role?: VoiceEngineV2BridgeAudioDeviceRole;
-	endpointLabel?: string;
-	isDefaultRoute?: boolean;
-}
-
-export interface VoiceEngineV2BridgeAudioInputDevice {
-	deviceId: string;
-	label: string;
-	isDefault: boolean;
-	role?: VoiceEngineV2BridgeAudioDeviceRole;
-	endpointLabel?: string;
-	isDefaultRoute?: boolean;
-}
-
-export interface VoiceEngineV2BridgeCameraDevice {
-	deviceId: string;
-	label: string;
-	description: string;
-	index?: number | null;
-	deviceIdAliases?: Array<string>;
-}
-
-export const VOICE_ENGINE_V2_CAMERA_EFFECT_STRENGTH_MIN = 0;
-export const VOICE_ENGINE_V2_CAMERA_EFFECT_STRENGTH_MAX = 100;
-export const VOICE_ENGINE_V2_CAMERA_EFFECT_STRENGTH_DEFAULT = 50;
-
-export interface VoiceEngineV2BridgePublishCameraOptions extends VoiceEngineV2CameraOptions {
-	mirror?: boolean;
-	backgroundBlurStrength?: number;
-}
-
-export type VoiceEngineV2BridgeUpdateCameraCaptureOptions = VoiceEngineV2BridgePublishCameraOptions;
-export type VoiceEngineV2BridgeCameraBackgroundMode = 'none' | 'non' | 'blur' | 'custom';
-export type VoiceEngineV2BridgeCameraBackgroundCustomMediaKind = 'static' | 'animated' | 'video';
-
-export interface VoiceEngineV2BridgePublishProcessedCameraOptions {
-	width: number;
-	height: number;
-	frameRate: number;
-}
-
-export interface VoiceEngineV2BridgePublishProcessedCameraResult {
-	trackSid: string;
-}
-
-export type VoiceEngineV2BridgePublishNativeCameraSinkResult = VoiceEngineV2BridgePublishProcessedCameraResult;
-
-export type VoiceEngineV2BridgeStartCameraPreviewOptions = VoiceEngineV2BridgePublishCameraOptions;
-
-export interface VoiceEngineV2BridgeCameraPreviewInfo {
-	trackSid: string;
-	width: number;
-	height: number;
-	frameRate: number;
-}
-
-export type VoiceEngineV2BridgeProcessedCameraFrameFormat = 'i420';
-
-export interface VoiceEngineV2BridgeProcessedCameraFrame {
-	format: VoiceEngineV2BridgeProcessedCameraFrameFormat;
-	width: number;
-	height: number;
-	timestampUs: number;
-	data: ArrayBuffer | ArrayBufferView;
-}
-
-export interface VoiceEngineV2BridgePublishDeviceScreenShareOptions {
-	deviceId?: string;
-	width?: number;
-	height?: number;
-	frameRate?: number;
-	codec?: VoiceEngineV2VideoCodec;
-	maxBitrateBps?: number;
-	maxFramerate?: number;
-}
-
-export interface VoiceEngineV2BridgeOutboundStat {
-	trackSid: string;
-	source: string;
-	kind: VoiceEngineV2BridgeTrackKind;
-	codec?: string;
-	bitrateKbps: number;
-	packetsLost: number;
-	fps?: number;
-	audioLevel?: number;
-	width?: number;
-	height?: number;
-	sourceWidth?: number;
-	sourceHeight?: number;
-	targetBitrateKbps?: number;
-	configuredFps?: number;
-	targetFps?: number;
-	effectiveFps?: number;
-	framesProduced?: number;
-	framesAccepted?: number;
-	framesDropped?: number;
-	framesCoalesced?: number;
-	framesCaptured?: number;
-	captureFailures?: number;
-	maxQueueAgeMs?: number;
-	maxPushLatencyMs?: number;
-	adaptiveSendTier?: string;
-	adaptiveSendReason?: string;
-	zeroCopy?: boolean;
-}
-
-export interface VoiceEngineV2BridgeInboundStat {
-	participantSid: string;
-	participantIdentity?: string;
-	trackSid: string;
-	source?: string;
-	kind: VoiceEngineV2BridgeTrackKind;
-	codec?: string;
-	bitrateKbps: number;
-	packetsLost: number;
-	jitterMs?: number;
-	audioLevel?: number;
-	width?: number;
-	height?: number;
-	fps?: number;
-	sourceWidth?: number;
-	sourceHeight?: number;
-}
-
-export type VoiceEngineV2BridgeSendStats = VoiceEngineV2SendStats;
-
-export interface VoiceEngineV2BridgeStats {
-	rttMs: number | null;
-	outbound: Array<VoiceEngineV2BridgeOutboundStat>;
-	inbound: Array<VoiceEngineV2BridgeInboundStat>;
-	droppedNativeVideoFrames?: number;
-	droppedVideoFrameCallbacks?: number;
-	send?: VoiceEngineV2BridgeSendStats | null;
-}
-
-export type VoiceEngineV2BridgeRemoteTrackSubscriptionQuality = VoiceEngineV2RemoteTrackQuality;
-export type VoiceEngineV2BridgeRemoteTrackSubscriptionOptions = VoiceEngineV2RemoteTrackSubscriptionOptions;
-
-export type VoiceEngineV2BridgeHardwareEncoderBackend = 'nvenc' | 'videotoolbox' | 'none' | string;
-export type VoiceEngineV2BridgeHardwareEncoderCapabilities = VoiceEngineV2HardwareEncoderCapabilities;
-
-export interface VoiceEngineV2BridgeCapabilities {
-	microphoneCapture: boolean;
-	syntheticMicrophonePcm: boolean;
-	cameraCapture: boolean;
-	nativeCameraBackgrounds: boolean;
-	screenShare: boolean;
-	screenShareEncodingUpdate: boolean;
-	screenShareAudio: boolean;
-	deviceLists: boolean;
-	outputDeviceSelection: boolean;
-	participantVolume: boolean;
-	remoteTrackSubscription: boolean;
-	dataChannel: boolean;
-	connectionStats: boolean;
-	nativeVideoFrames: boolean;
-	hardwareEncoderCapabilities: boolean;
-}
-
-export type VoiceEngineV2BridgeOperationErrorCode =
-	| 'unsupported-capability'
-	| 'not-connected'
-	| 'invalid-args'
-	| 'native-error';
-
-export interface VoiceEngineV2BridgeOperationError {
-	code: VoiceEngineV2BridgeOperationErrorCode;
-	message: string;
-	capability?: keyof VoiceEngineV2BridgeCapabilities | string;
-}
-
-export interface VoiceEngineV2BridgeOperationSuccess {
-	ok: true;
-}
-
-export interface VoiceEngineV2BridgeOperationFailure {
-	ok: false;
-	error: VoiceEngineV2BridgeOperationError;
-}
-
-export type VoiceEngineV2BridgeOperationResult =
-	| VoiceEngineV2BridgeOperationSuccess
-	| VoiceEngineV2BridgeOperationFailure;
-
-export const VOICE_ENGINE_V2_OPERATION_SUCCESS: VoiceEngineV2BridgeOperationSuccess = {ok: true};
-
-export function createVoiceEngineV2OperationFailure(
-	error: VoiceEngineV2BridgeOperationError,
-): VoiceEngineV2BridgeOperationFailure {
-	return {ok: false, error};
-}
-
-export interface VoiceEngineV2BridgeParticipantVolumeOptions {
-	participantSid: string;
-	volume: number;
-}
-
-export interface VoiceEngineV2BridgeSpeakingDetectionOptions {
-	localThresholdRms: number;
-	remoteThresholdRms: number;
-}
-
-export interface VoiceEngineV2BridgeIpcMethods {
-	isSupported: {args: []; result: boolean};
-	getCapabilities: {args: []; result: VoiceEngineV2BridgeCapabilities};
-	prewarm: {args: []; result: void};
-	getHardwareEncoderCapabilities: {args: []; result: VoiceEngineV2BridgeHardwareEncoderCapabilities};
-	connect: {args: [VoiceEngineV2BridgeConnectOptions]; result: void};
-	disconnect: {args: []; result: void};
-	isConnected: {args: []; result: boolean};
-	publishMicrophone: {args: [VoiceEngineV2BridgePublishMicrophoneOptions]; result: VoiceEngineV2BridgeOperationResult};
-	pushPcm: {args: [VoiceEngineV2BridgePcmFrame]; result: boolean};
-	publishScreen: {args: [VoiceEngineV2BridgePublishScreenOptions]; result: void};
-	updateScreenShareEncoding: {args: [VoiceEngineV2BridgeUpdateScreenShareEncodingOptions]; result: void};
-	unpublishScreen: {args: []; result: void};
-	publishScreenAudio: {args: [VoiceEngineV2BridgePublishScreenAudioOptions]; result: void};
-	pushScreenAudioPcm: {args: [VoiceEngineV2BridgePcmFrame]; result: boolean};
-	pushScreenAudioFloat: {args: [VoiceEngineV2BridgeFloatPcmFrame]; result: boolean};
-	unpublishScreenAudio: {args: []; result: void};
-	setMicEnabled: {args: [boolean]; result: VoiceEngineV2BridgeOperationResult};
-	setSpeakingDetection: {args: [VoiceEngineV2BridgeSpeakingDetectionOptions]; result: void};
-	listAudioInputDevices: {args: []; result: Array<VoiceEngineV2BridgeAudioInputDevice>};
-	listAudioOutputDevices: {args: []; result: Array<VoiceEngineV2BridgeAudioOutputDevice>};
-	setAudioOutputDevice: {args: [string]; result: void};
-	setParticipantVolume: {args: [VoiceEngineV2BridgeParticipantVolumeOptions]; result: void};
-	setRemoteTrackSubscription: {args: [VoiceEngineV2BridgeRemoteTrackSubscriptionOptions]; result: void};
-	publishData: {args: [VoiceEngineV2BridgePublishDataOptions]; result: void};
-	listCameraDevices: {args: []; result: Array<VoiceEngineV2BridgeCameraDevice>};
-	publishCamera: {args: [VoiceEngineV2BridgePublishCameraOptions]; result: void};
-	updateCameraCapture: {args: [VoiceEngineV2BridgeUpdateCameraCaptureOptions]; result: void};
-	publishNativeCameraSink: {
-		args: [VoiceEngineV2BridgePublishCameraOptions];
-		result: VoiceEngineV2BridgePublishNativeCameraSinkResult;
-	};
-	publishProcessedCamera: {
-		args: [VoiceEngineV2BridgePublishProcessedCameraOptions];
-		result: VoiceEngineV2BridgePublishProcessedCameraResult;
-	};
-	pushProcessedCameraFrame: {args: [VoiceEngineV2BridgeProcessedCameraFrame]; result: boolean};
-	pushCameraBackgroundFrame: {args: [VoiceEngineV2BridgeProcessedCameraFrame]; result: boolean};
-	clearCameraBackgroundFrame: {args: []; result: void};
-	publishDeviceScreenShare: {args: [VoiceEngineV2BridgePublishDeviceScreenShareOptions]; result: void};
-	unpublishCamera: {args: []; result: void};
-	isPublishingCamera: {args: []; result: boolean};
-	startCameraPreview: {
-		args: [VoiceEngineV2BridgeStartCameraPreviewOptions];
-		result: VoiceEngineV2BridgeCameraPreviewInfo;
-	};
-	stopCameraPreview: {args: []; result: void};
-	getConnectionStats: {args: []; result: VoiceEngineV2BridgeStats};
-	getVoiceEngineReadiness: {args: []; result: VoiceEngineV2BridgeReadiness};
-	getAudioDeviceModuleState: {args: []; result: VoiceEngineV2BridgeAudioDeviceModuleState};
-}
-
-export const VOICE_ENGINE_V2_BRIDGE_METHODS = [
-	'isSupported',
-	'getCapabilities',
-	'prewarm',
-	'getHardwareEncoderCapabilities',
-	'connect',
-	'disconnect',
-	'isConnected',
-	'publishMicrophone',
-	'pushPcm',
-	'publishScreen',
-	'updateScreenShareEncoding',
-	'unpublishScreen',
-	'publishScreenAudio',
-	'pushScreenAudioPcm',
-	'pushScreenAudioFloat',
-	'unpublishScreenAudio',
-	'setMicEnabled',
-	'setSpeakingDetection',
-	'listAudioInputDevices',
-	'listAudioOutputDevices',
-	'setAudioOutputDevice',
-	'setParticipantVolume',
-	'setRemoteTrackSubscription',
-	'publishData',
-	'listCameraDevices',
-	'publishCamera',
-	'updateCameraCapture',
-	'publishNativeCameraSink',
-	'publishProcessedCamera',
-	'pushProcessedCameraFrame',
-	'pushCameraBackgroundFrame',
-	'clearCameraBackgroundFrame',
-	'publishDeviceScreenShare',
-	'unpublishCamera',
-	'isPublishingCamera',
-	'startCameraPreview',
-	'stopCameraPreview',
-	'getConnectionStats',
-	'getVoiceEngineReadiness',
-	'getAudioDeviceModuleState',
-	'onEvent',
-	'onVideoFrame',
-] as const satisfies ReadonlyArray<VoiceEngineV2BridgeMethodName>;
-
-export const VOICE_ENGINE_V2_IPC_CHANNELS = {
-	isSupported: 'voice-engine-v2:is-supported',
-	getCapabilities: 'voice-engine-v2:get-capabilities',
-	prewarm: 'voice-engine-v2:prewarm',
-	getHardwareEncoderCapabilities: 'voice-engine-v2:get-hardware-encoder-capabilities',
-	connect: 'voice-engine-v2:connect',
-	disconnect: 'voice-engine-v2:disconnect',
-	isConnected: 'voice-engine-v2:is-connected',
-	publishMicrophone: 'voice-engine-v2:publish-microphone',
-	pushPcm: 'voice-engine-v2:push-pcm',
-	publishScreen: 'voice-engine-v2:publish-screen',
-	updateScreenShareEncoding: 'voice-engine-v2:update-screen-share-encoding',
-	unpublishScreen: 'voice-engine-v2:unpublish-screen',
-	publishScreenAudio: 'voice-engine-v2:publish-screen-audio',
-	pushScreenAudioPcm: 'voice-engine-v2:push-screen-audio-pcm',
-	pushScreenAudioFloat: 'voice-engine-v2:push-screen-audio-float',
-	unpublishScreenAudio: 'voice-engine-v2:unpublish-screen-audio',
-	setMicEnabled: 'voice-engine-v2:set-mic-enabled',
-	setSpeakingDetection: 'voice-engine-v2:set-speaking-detection',
-	listAudioInputDevices: 'voice-engine-v2:list-audio-input-devices',
-	listAudioOutputDevices: 'voice-engine-v2:list-audio-output-devices',
-	setAudioOutputDevice: 'voice-engine-v2:set-audio-output-device',
-	setParticipantVolume: 'voice-engine-v2:set-participant-volume',
-	setRemoteTrackSubscription: 'voice-engine-v2:set-remote-track-subscription',
-	publishData: 'voice-engine-v2:publish-data',
-	listCameraDevices: 'voice-engine-v2:list-camera-devices',
-	publishCamera: 'voice-engine-v2:publish-camera',
-	updateCameraCapture: 'voice-engine-v2:update-camera-capture',
-	publishNativeCameraSink: 'voice-engine-v2:publish-native-camera-sink',
-	publishProcessedCamera: 'voice-engine-v2:publish-processed-camera',
-	pushProcessedCameraFrame: 'voice-engine-v2:push-processed-camera-frame',
-	pushCameraBackgroundFrame: 'voice-engine-v2:push-camera-background-frame',
-	clearCameraBackgroundFrame: 'voice-engine-v2:clear-camera-background-frame',
-	publishDeviceScreenShare: 'voice-engine-v2:publish-device-screen-share',
-	unpublishCamera: 'voice-engine-v2:unpublish-camera',
-	isPublishingCamera: 'voice-engine-v2:is-publishing-camera',
-	startCameraPreview: 'voice-engine-v2:start-camera-preview',
-	stopCameraPreview: 'voice-engine-v2:stop-camera-preview',
-	getConnectionStats: 'voice-engine-v2:get-connection-stats',
-	getVoiceEngineReadiness: 'voice-engine-v2:get-readiness',
-	getAudioDeviceModuleState: 'voice-engine-v2:get-audio-device-module-state',
-} as const satisfies {[Method in VoiceEngineV2InvokeMethodName]: string};
-
-export const VOICE_ENGINE_V2_EVENT_CHANNELS = {
-	event: 'voice-engine-v2:event',
-	videoFrame: 'voice-engine-v2:video-frame',
-} as const satisfies {
-	event: string;
-	videoFrame: string;
-};
-
-export interface VoiceEngineV2BridgePushedEvents {
-	event: VoiceEngineV2BridgeEvent;
-	videoFrame: VoiceEngineV2BridgeVideoFrame;
-}
-
-export interface VoiceEngineV2BridgeApi {
-	bridgeVersion: number;
-	isSupported(): Promise<boolean>;
-	getCapabilities(): Promise<VoiceEngineV2BridgeCapabilities>;
-	prewarm(): Promise<void>;
-	getHardwareEncoderCapabilities(): Promise<VoiceEngineV2BridgeHardwareEncoderCapabilities>;
-	connect(options: VoiceEngineV2BridgeConnectOptions): Promise<void>;
-	disconnect(): Promise<void>;
-	isConnected(): Promise<boolean>;
-	publishMicrophone(options: VoiceEngineV2BridgePublishMicrophoneOptions): Promise<VoiceEngineV2BridgeOperationResult>;
-	pushPcm(frame: VoiceEngineV2BridgePcmFrame): Promise<boolean>;
-	publishScreen(options: VoiceEngineV2BridgePublishScreenOptions): Promise<void>;
-	updateScreenShareEncoding(options: VoiceEngineV2BridgeUpdateScreenShareEncodingOptions): Promise<void>;
-	unpublishScreen(): Promise<void>;
-	publishScreenAudio(options: VoiceEngineV2BridgePublishScreenAudioOptions): Promise<void>;
-	pushScreenAudioPcm(frame: VoiceEngineV2BridgePcmFrame): Promise<boolean>;
-	pushScreenAudioFloat(frame: VoiceEngineV2BridgeFloatPcmFrame): Promise<boolean>;
-	unpublishScreenAudio(): Promise<void>;
-	setMicEnabled(enabled: boolean): Promise<VoiceEngineV2BridgeOperationResult>;
-	setSpeakingDetection(options: VoiceEngineV2BridgeSpeakingDetectionOptions): Promise<void>;
-	listAudioInputDevices(): Promise<Array<VoiceEngineV2BridgeAudioInputDevice>>;
-	listAudioOutputDevices(): Promise<Array<VoiceEngineV2BridgeAudioOutputDevice>>;
-	setAudioOutputDevice(deviceId: string): Promise<void>;
-	setParticipantVolume(participantSid: string, volume: number): Promise<void>;
-	setRemoteTrackSubscription(options: VoiceEngineV2BridgeRemoteTrackSubscriptionOptions): Promise<void>;
-	publishData(options: VoiceEngineV2BridgePublishDataOptions): Promise<void>;
-	listCameraDevices(): Promise<Array<VoiceEngineV2BridgeCameraDevice>>;
-	publishCamera(options: VoiceEngineV2BridgePublishCameraOptions): Promise<void>;
-	updateCameraCapture(options: VoiceEngineV2BridgeUpdateCameraCaptureOptions): Promise<void>;
-	publishNativeCameraSink(
-		options: VoiceEngineV2BridgePublishCameraOptions,
-	): Promise<VoiceEngineV2BridgePublishNativeCameraSinkResult>;
-	publishProcessedCamera(
-		options: VoiceEngineV2BridgePublishProcessedCameraOptions,
-	): Promise<VoiceEngineV2BridgePublishProcessedCameraResult>;
-	pushProcessedCameraFrame(frame: VoiceEngineV2BridgeProcessedCameraFrame): Promise<boolean>;
-	pushCameraBackgroundFrame(frame: VoiceEngineV2BridgeProcessedCameraFrame): Promise<boolean>;
-	clearCameraBackgroundFrame(): Promise<void>;
-	publishDeviceScreenShare(options: VoiceEngineV2BridgePublishDeviceScreenShareOptions): Promise<void>;
-	unpublishCamera(): Promise<void>;
-	isPublishingCamera(): Promise<boolean>;
-	startCameraPreview(
-		options: VoiceEngineV2BridgeStartCameraPreviewOptions,
-	): Promise<VoiceEngineV2BridgeCameraPreviewInfo>;
-	stopCameraPreview(): Promise<void>;
-	getConnectionStats(): Promise<VoiceEngineV2BridgeStats>;
-	getVoiceEngineReadiness(): Promise<VoiceEngineV2BridgeReadiness>;
-	getAudioDeviceModuleState?(): Promise<VoiceEngineV2BridgeAudioDeviceModuleState>;
-	onEvent(callback: (event: VoiceEngineV2BridgeEvent) => void): () => void;
-	onVideoFrame(callback: (frame: VoiceEngineV2BridgeVideoFrame) => void): () => void;
-}
@@ -6,7 +6,6 @@ import inboundVideoFramesFixtureJson from '../../fixtures/event_logs/inbound_vid
 import participantsTracksFixtureJson from '../../fixtures/event_logs/participants_tracks.json';
 import subscriptionQualityFixtureJson from '../../fixtures/event_logs/subscription_quality.json';
 import watchedStreamsFixtureJson from '../../fixtures/event_logs/watched_streams.json';
-import {translateVoiceEngineV2BridgeEventToEvents, translateVoiceEngineV2BridgeVideoFrameToEvent} from '../bridge';
 import type {VoiceEngineV2Command} from '../protocol/commands';
 import type {VoiceEngineV2Event} from '../protocol/events';
 import type {
@@ -136,39 +135,45 @@ describe('voice engine v2 participants, subscriptions, and inbound video fixture
 		assertFixture(fixture);
 	});

-	it('translates native bridge participant, track, and frame events into v2 projections', () => {
-		let snapshot = createVoiceEngineV2InitialSnapshot(availableVoiceEngineV2Capabilities());
-		const bridgeEvents = translateVoiceEngineV2BridgeEventToEvents({
-			type: 'trackSubscribed',
-			payload: {
-				participantSid: 'PA_alice',
-				identity: 'alice',
-				participantName: 'Alice',
-				trackSid: 'TR_screen',
-				trackName: 'screen_share',
-				kind: 'video',
-				source: 'screen_share',
-				muted: false,
-				subscribed: true,
-				subscriptionStatus: 'subscribed',
+	it('projects a subscribed video track and its first frame into room and inbound-video state', () => {
+		const events: Array<VoiceEngineV2Event> = [
+			{
+				type: 'room.trackPublished',
+				track: {
+					participantIdentity: 'alice',
+					participantSid: 'PA_alice',
+					trackSid: 'TR_screen',
+					trackName: 'screen_share',
+					kind: 'video',
+					source: 'screen',
+					muted: false,
+				},
 			},
-		});
-		for (const event of bridgeEvents) {
-			snapshot = transitionVoiceEngineV2(snapshot, event).snapshot;
-		}
-		snapshot = transitionVoiceEngineV2(
-			snapshot,
-			translateVoiceEngineV2BridgeVideoFrameToEvent({
-				meta: {
+			{
+				type: 'inboundVideo.trackSubscribed',
+				track: {
+					participantSid: 'PA_alice',
+					participantIdentity: 'alice',
+					trackSid: 'TR_screen',
+					source: 'screen',
+				},
+			},
+			{
+				type: 'inboundVideo.frameReceived',
+				frame: {
 					participantSid: 'PA_alice',
 					trackSid: 'TR_screen',
 					width: 320,
 					height: 180,
 					timestampUs: 100,
+					byteLength: 86_400,
 				},
-				data: new ArrayBuffer(86_400),
-			}),
-		).snapshot;
+			},
+		];
+		let snapshot = createVoiceEngineV2InitialSnapshot(availableVoiceEngineV2Capabilities());
+		for (const event of events) {
+			snapshot = transitionVoiceEngineV2(snapshot, event).snapshot;
+		}

 		expect(snapshot.room.tracks.TR_screen).toMatchObject({
 			participantIdentity: 'alice',
@@ -121,94 +121,6 @@ describe('transitionVoiceEngineV2', () => {
 		]);
 	});

-	it('defers native microphone publish until the audio device module is ready', () => {
-		const queued = applyEvents(initialSnapshot(), [
-			{type: 'nativeAudioDeviceModule.statusChanged', status: 'warming'},
-			{type: 'microphone.publishRequested', options: {deviceId: 'default'}},
-		]);
-
-		const established = transitionVoiceEngineV2(queued, {
-			type: 'connection.externallyEstablished',
-			options: {url: 'wss://voice', token: ''},
-		});
-
-		expect(established.snapshot.connection.status).toBe('connected');
-		expect(established.snapshot.microphone.status).toBe('idle');
-		expect(established.snapshot.microphone.desired).toEqual({deviceId: 'default'});
-		expect(established.commands).toEqual([]);
-
-		const ready = transitionVoiceEngineV2(established.snapshot, {
-			type: 'nativeAudioDeviceModule.statusChanged',
-			status: 'ready',
-		});
-
-		expect(ready.snapshot.microphone.status).toBe('publishing');
-		expect(ready.commands).toEqual([{type: 'microphone.publish', operationId: 1, options: {deviceId: 'default'}}]);
-	});
-
-	it('fails deferred native microphone publish when the audio device module fails', () => {
-		const established = applyEvents(initialSnapshot(), [
-			{type: 'nativeAudioDeviceModule.statusChanged', status: 'warming'},
-			{type: 'microphone.publishRequested', options: {deviceId: 'default'}},
-			{type: 'connection.externallyEstablished', options: {url: 'wss://voice', token: ''}},
-		]);
-
-		const failed = transitionVoiceEngineV2(established, {
-			type: 'nativeAudioDeviceModule.statusChanged',
-			status: 'failed',
-			detail: 'ADM probe failed',
-		});
-
-		expect(failed.snapshot.microphone.status).toBe('failed');
-		expect(failed.snapshot.microphone.failure).toEqual({
-			code: 'deviceUnavailable',
-			capability: 'microphone',
-			message: 'ADM probe failed',
-		});
-		expect(failed.commands).toEqual([]);
-	});
-
-	it('does not republish an already published microphone on repeated ADM ready events', () => {
-		const established = applyEvents(initialSnapshot(), [
-			{type: 'nativeAudioDeviceModule.statusChanged', status: 'warming'},
-			{type: 'microphone.publishRequested', options: {deviceId: 'default'}},
-			{type: 'connection.externallyEstablished', options: {url: 'wss://voice', token: ''}},
-		]);
-		const ready = transitionVoiceEngineV2(established, {
-			type: 'nativeAudioDeviceModule.statusChanged',
-			status: 'ready',
-		});
-		const operationId = ready.commands[0]?.operationId ?? -1;
-		const published = transitionVoiceEngineV2(ready.snapshot, {
-			type: 'microphone.publishSucceeded',
-			operationId,
-		}).snapshot;
-
-		const repeated = transitionVoiceEngineV2(published, {
-			type: 'nativeAudioDeviceModule.statusChanged',
-			status: 'ready',
-		});
-
-		expect(repeated.snapshot.microphone.status).toBe('published');
-		expect(repeated.commands).toEqual([]);
-	});
-
-	it('does not let set-microphone-enabled implicitly publish while native ADM is warming', () => {
-		const established = applyEvents(initialSnapshot(), [
-			{type: 'nativeAudioDeviceModule.statusChanged', status: 'warming'},
-			{type: 'connection.externallyEstablished', options: {url: 'wss://voice', token: ''}},
-		]);
-
-		const enabled = transitionVoiceEngineV2(established, {
-			type: 'microphone.setEnabledRequested',
-			enabled: true,
-		});
-
-		expect(enabled.snapshot.microphone.enabled).toBe(true);
-		expect(enabled.snapshot.microphone.status).toBe('idle');
-		expect(enabled.commands).toEqual([]);
-	});
-
 	it('treats a repeated connection.externallyEstablished for the same endpoint as a no-op', () => {
 		const established = applyEvents(initialSnapshot(), [
 			{type: 'connection.externallyEstablished', options: {url: 'wss://voice', token: ''}},
@@ -17,7 +17,6 @@ import {transitionImplementation} from './implementation';
 import {transitionInboundVideo} from './inboundVideo';
 import {transitionLifecycle} from './lifecycle';
 import {transitionMicrophone} from './microphone';
-import {transitionNativeAudioDeviceModule} from './nativeAudioDeviceModule';
 import {transitionNativeAudioTap} from './nativeAudioTap';
 import {transitionNativeCapture} from './nativeCapture';
 import {transitionNativeFrameSink} from './nativeFrameSink';
@@ -179,8 +178,6 @@ export function dispatchPlatformEvent(
 		case 'devices.selectAudioOutputRequested':
 		case 'devices.selectCameraRequested':
 			return transitionDevices(snapshot, event);
-		case 'nativeAudioDeviceModule.statusChanged':
-			return transitionNativeAudioDeviceModule(snapshot, event);
 		case 'nativeCapture.startRequested':
 		case 'nativeCapture.updateRequested':
 		case 'nativeCapture.stopRequested':
@@ -203,46 +203,6 @@ function microphoneOptionsWithAudioInputDevice(
 	return {...options, deviceId};
 }

-function nativeAudioDeviceModuleNotReadyError(snapshot: VoiceEngineV2Snapshot): VoiceEngineV2Error {
-	assert.ok(snapshot != null, 'nativeAudioDeviceModuleNotReadyError snapshot must not be null');
-	assert.ok(
-		snapshot.nativeAudioDeviceModule.status === 'failed',
-		'nativeAudioDeviceModuleNotReadyError requires failed ADM status',
-	);
-	return {
-		code: 'deviceUnavailable',
-		capability: 'microphone',
-		message: snapshot.nativeAudioDeviceModule.detail ?? 'Native audio device module failed to become ready',
-	};
-}
-
-function planNativeAudioDeviceModuleGatedMicrophone(snapshot: VoiceEngineV2Snapshot): VoiceEngineV2Transition | null {
-	assert.ok(snapshot != null, 'planNativeAudioDeviceModuleGatedMicrophone snapshot must not be null');
-	assert.ok(snapshot.nativeAudioDeviceModule != null, 'snapshot.nativeAudioDeviceModule must not be null');
-	switch (snapshot.nativeAudioDeviceModule.status) {
-		case 'unsupported':
-		case 'ready':
-			return null;
-		case 'unknown':
-		case 'warming':
-			return {
-				snapshot: {...snapshot, microphone: {...snapshot.microphone, status: 'idle', failure: null}},
-				commands: [],
-			};
-		case 'failed': {
-			const error = nativeAudioDeviceModuleNotReadyError(snapshot);
-			return {
-				snapshot: {
-					...snapshot,
-					microphone: {...snapshot.microphone, status: 'failed', published: null, operationId: null, failure: error},
-					lastFailure: error,
-				},
-				commands: [],
-			};
-		}
-	}
-}
-
 export function planMicrophoneDeviceChange(
 	snapshot: VoiceEngineV2Snapshot,
 	deviceId: string | null,
@@ -327,8 +287,6 @@ export function beginMicrophonePublish(snapshot: VoiceEngineV2Snapshot): VoiceEn
 		};
 	}
 	if (!isConnected(snapshot)) return {snapshot, commands: []};
-	const gated = planNativeAudioDeviceModuleGatedMicrophone(snapshot);
-	if (gated) return gated;
 	if (snapshot.microphone.status === 'publishing') return {snapshot, commands: []};
 	if (snapshot.microphone.status === 'published' && sameMicrophoneOptions(snapshot.microphone.published, desired)) {
 		return {snapshot, commands: []};
@@ -1,29 +0,0 @@
-// SPDX-License-Identifier: AGPL-3.0-or-later
-
-import assert from 'node:assert/strict';
-import type {VoiceEngineV2Event} from '../../protocol/events';
-import type {VoiceEngineV2Snapshot, VoiceEngineV2Transition} from '../state';
-import {beginMicrophonePublish} from './microphone';
-
-type VoiceEngineV2NativeAudioDeviceModuleEvent = Extract<
-	VoiceEngineV2Event,
-	{type: 'nativeAudioDeviceModule.statusChanged'}
->;
-
-export function transitionNativeAudioDeviceModule(
-	snapshot: VoiceEngineV2Snapshot,
-	event: VoiceEngineV2NativeAudioDeviceModuleEvent,
-): VoiceEngineV2Transition {
-	assert.ok(snapshot != null, 'transitionNativeAudioDeviceModule snapshot must not be null');
-	assert.ok(event != null, 'transitionNativeAudioDeviceModule event must not be null');
-	assert.equal(event.type, 'nativeAudioDeviceModule.statusChanged', 'unexpected ADM event type');
-	assert.equal(typeof event.status, 'string', 'ADM status must be a string');
-	const next: VoiceEngineV2Snapshot = {
-		...snapshot,
-		nativeAudioDeviceModule: {
-			status: event.status,
-			detail: event.detail ?? null,
-		},
-	};
-	return beginMicrophonePublish(next);
-}
@@ -27,7 +27,6 @@ import type {
 	VoiceEngineV2LiveKitRoomState,
 	VoiceEngineV2MediaStatus,
 	VoiceEngineV2MicrophoneOptions,
-	VoiceEngineV2NativeAudioDeviceModuleState,
 	VoiceEngineV2NativeAudioTapOptions,
 	VoiceEngineV2NativeCaptureOptions,
 	VoiceEngineV2NativeFrameSinkOptions,
@@ -162,7 +161,6 @@ export interface VoiceEngineV2Snapshot {
 	connection: VoiceEngineV2ConnectionState;
 	gateway: VoiceEngineV2GatewayState;
 	liveKit: VoiceEngineV2LiveKitState;
-	nativeAudioDeviceModule: VoiceEngineV2NativeAudioDeviceModuleState;
 	microphone: VoiceEngineV2MicrophoneState;
 	camera: VoiceEngineV2LocalMediaState<VoiceEngineV2CameraOptions>;
 	screen: VoiceEngineV2LocalMediaState<VoiceEngineV2ScreenOptions>;
@@ -286,10 +284,6 @@ export function createVoiceEngineV2InitialSnapshot(
 			serverRegion: null,
 			failure: null,
 		},
-		nativeAudioDeviceModule: {
-			status: 'unsupported',
-			detail: null,
-		},
 		microphone: {
 			status: 'idle',
 			desired: null,
@@ -1,95 +1,5 @@
 // SPDX-License-Identifier: AGPL-3.0-or-later

-export type {
-	VoiceEngineV2BridgeApi,
-	VoiceEngineV2BridgeAudioDeviceRole,
-	VoiceEngineV2BridgeAudioInputDevice,
-	VoiceEngineV2BridgeAudioOutputDevice,
-	VoiceEngineV2BridgeCameraDevice,
-	VoiceEngineV2BridgeCapabilities,
-	VoiceEngineV2BridgeConnectionQuality,
-	VoiceEngineV2BridgeConnectOptions,
-	VoiceEngineV2BridgeDroppedEventCounts,
-	VoiceEngineV2BridgeEvent,
-	VoiceEngineV2BridgeEventPayloads,
-	VoiceEngineV2BridgeEventType,
-	VoiceEngineV2BridgeFloatPcmFrame,
-	VoiceEngineV2BridgeHardwareEncoderBackend,
-	VoiceEngineV2BridgeHardwareEncoderCapabilities,
-	VoiceEngineV2BridgeInboundStat,
-	VoiceEngineV2BridgeIpcMethods,
-	VoiceEngineV2BridgeKnownEvent,
-	VoiceEngineV2BridgeKnownEventType,
-	VoiceEngineV2BridgeLocalTrackRepublishedEventPayload,
-	VoiceEngineV2BridgeMethodName,
-	VoiceEngineV2BridgeOperationError,
-	VoiceEngineV2BridgeOperationErrorCode,
-	VoiceEngineV2BridgeOperationFailure,
-	VoiceEngineV2BridgeOperationResult,
-	VoiceEngineV2BridgeOperationSuccess,
-	VoiceEngineV2BridgeOutboundStat,
-	VoiceEngineV2BridgeParticipantEventPayload,
-	VoiceEngineV2BridgeParticipantVolumeOptions,
-	VoiceEngineV2BridgePcmFrame,
-	VoiceEngineV2BridgePublishCameraOptions,
-	VoiceEngineV2BridgePublishDataOptions,
-	VoiceEngineV2BridgePublishDeviceScreenShareOptions,
-	VoiceEngineV2BridgePublishMicrophoneOptions,
-	VoiceEngineV2BridgePublishScreenAudioOptions,
-	VoiceEngineV2BridgePublishScreenOptions,
-	VoiceEngineV2BridgePushedEvents,
-	VoiceEngineV2BridgeRemoteTrackSubscriptionOptions,
-	VoiceEngineV2BridgeRemoteTrackSubscriptionQuality,
-	VoiceEngineV2BridgeScreenPacing,
-	VoiceEngineV2BridgeSendStats,
-	VoiceEngineV2BridgeStats,
-	VoiceEngineV2BridgeSubscribedTrackEventPayload,
-	VoiceEngineV2BridgeSubscriptionStatus,
-	VoiceEngineV2BridgeTrackEventPayload,
-	VoiceEngineV2BridgeTrackKind,
-	VoiceEngineV2BridgeTrackSource,
-	VoiceEngineV2BridgeTrackSubscriptionFailedEventPayload,
-	VoiceEngineV2BridgeUpdateScreenShareEncodingOptions,
-	VoiceEngineV2BridgeVideoFrame,
-	VoiceEngineV2BridgeVideoFrameMeta,
-	VoiceEngineV2InvokeMethodName,
-} from './bridge';
-export {
-	assertVoiceEngineV2BridgeAudioOptionsInvariants,
-	assertVoiceEngineV2BridgeVideoOptionsInvariants,
-	clampVoiceEngineV2ParticipantVolume,
-	coerceVoiceEngineV2BridgeStats,
-	createVoiceEngineV2OperationFailure,
-	getVoiceEngineV2BridgeDroppedEventCounts,
-	isVoiceEngineV2BridgeBinaryPayload,
-	isVoiceEngineV2BridgeConnectOptions,
-	isVoiceEngineV2BridgeFloatPcmFrame,
-	isVoiceEngineV2BridgeKnownEventType,
-	isVoiceEngineV2BridgePcmFrame,
-	isVoiceEngineV2BridgePublishCameraOptions,
-	isVoiceEngineV2BridgePublishDataOptions,
-	isVoiceEngineV2BridgePublishDeviceScreenShareOptions,
-	isVoiceEngineV2BridgePublishMicrophoneOptions,
-	isVoiceEngineV2BridgePublishScreenAudioOptions,
-	isVoiceEngineV2BridgePublishScreenOptions,
-	isVoiceEngineV2BridgeRemoteTrackSubscriptionOptions,
-	isVoiceEngineV2BridgeRemoteTrackSubscriptionQuality,
-	isVoiceEngineV2BridgeUpdateScreenShareEncodingOptions,
-	isVoiceEngineV2ParticipantVolumeOptions,
-	normalizeVoiceEngineV2BridgeCapabilities,
-	normalizeVoiceEngineV2BridgeHardwareEncoderCapabilities,
-	resetVoiceEngineV2BridgeDroppedEventCounts,
-	translateVoiceEngineV2BridgeEventToEvents,
-	translateVoiceEngineV2BridgeVideoFrameToEvent,
-	unavailableVoiceEngineV2BridgeCapabilities,
-	unavailableVoiceEngineV2BridgeHardwareEncoderCapabilities,
-	VOICE_ENGINE_V2_BRIDGE_DROPPED_EVENTS_COUNT_MAX,
-	VOICE_ENGINE_V2_BRIDGE_METHODS,
-	VOICE_ENGINE_V2_BRIDGE_VERSION,
-	VOICE_ENGINE_V2_EVENT_CHANNELS,
-	VOICE_ENGINE_V2_IPC_CHANNELS,
-	VOICE_ENGINE_V2_OPERATION_SUCCESS,
-} from './bridge';
 export type {
 	VoiceEngineV2CapabilitiesProjection,
 	VoiceEngineV2ConnectionState,
@@ -161,17 +71,10 @@ export type {
 	VoiceEngineV2CameraEncodingPlanAction,
 	VoiceEngineV2CameraEncodingPlanInput,
 	VoiceEngineV2CameraEncodingPlanReason,
-	VoiceEngineV2LocalTrackReconnectState,
 	VoiceEngineV2MicrophoneFailureContext,
 	VoiceEngineV2MicrophoneOperationFailureAction,
-	VoiceEngineV2NativeConnectRetryPolicyInput,
-	VoiceEngineV2NativeParticipantVolumeInput,
 	VoiceEngineV2OperationFailureLike,
 	VoiceEngineV2OperationResultLike,
-	VoiceEngineV2ParticipantE2eeState,
-	VoiceEngineV2ReconnectTrackSource,
-	VoiceEngineV2RetryConnectionState,
-	VoiceEngineV2RetryVoiceState,
 	VoiceEngineV2ScreenEncodingPlan,
 	VoiceEngineV2ScreenEncodingPlanAction,
 	VoiceEngineV2ScreenEncodingPlanInput,
@@ -195,12 +98,9 @@ export {
 	applyVoiceEngineV2CameraEncodingOptions,
 	applyVoiceEngineV2ScreenEncodingOptions,
 	asVoiceEngineV2StatsTrackSource,
-	boostedVoiceEngineV2VolumePercentToTrackVolume,
-	clampVoiceEngineV2VolumePercent,
 	classifyVoiceEngineV2TrackStats,
 	coalesceVoiceEngineV2OutboundStats,
 	coerceVoiceEngineV2Stats,
-	computeVoiceEngineV2NativeParticipantVolume,
 	getVoiceEngineV2MicrophoneOperationFailureAction,
 	hasVoiceEngineV2NativeHardwareEncoder,
 	hasVoiceEngineV2NativeNvencEncoder,
@@ -208,17 +108,13 @@ export {
 	isMoreEfficientVoiceEngineV2VideoCodec,
 	maxDecodableVoiceEngineV2VideoCodec,
 	normalizeVoiceEngineV2HardwareEncoderCapabilities,
-	normalizeVoiceEngineV2ParticipantE2eeState,
 	planVoiceEngineV2CameraEncodingChange,
 	planVoiceEngineV2NegotiatedVideoCodec,
 	planVoiceEngineV2ScreenEncodingChange,
-	shouldRetryVoiceEngineV2NativeConnectTimeout,
-	shouldSuppressVoiceEngineV2LocalTrackStateDuringReconnect,
 	summarizeVoiceEngineV2Stats,
 	unavailableVoiceEngineV2HardwareEncoderCapabilities,
 	VOICE_ENGINE_V2_VIDEO_CODEC_FLOOR,
 	VOICE_ENGINE_V2_VIDEO_CODEC_PREFERENCE,
-	VOICE_ENGINE_V2_VOLUME_MAX_PERCENT,
 	VoiceEngineV2StatsTrackSource,
 	voiceEngineV2VideoCodecRank,
 	worseVoiceEngineV2VideoCodec,
@@ -292,8 +188,6 @@ export type {
 	VoiceEngineV2MediaStatus,
 	VoiceEngineV2MicrophoneOptions,
 	VoiceEngineV2Model,
-	VoiceEngineV2NativeAudioDeviceModuleState,
-	VoiceEngineV2NativeAudioDeviceModuleStatus,
 	VoiceEngineV2NativeAudioTapOptions,
 	VoiceEngineV2NativeCaptureFrame,
 	VoiceEngineV2NativeCaptureKind,
@@ -344,7 +238,6 @@ export {
 export type {
 	VoiceEngineV2EventLogEntry,
 	VoiceEngineV2EventLogSpillSink,
-	VoiceEngineV2FrameStatsEvent,
 	VoiceEngineV2MemoryEventLogSpillSink,
 	VoiceEngineV2RuntimeClock,
 	VoiceEngineV2RuntimeListener,
@@ -354,10 +247,7 @@ export type {
 export {
 	commandResultToEvent,
 	createVoiceEngineV2MemoryEventLogSpillSink,
-	VOICE_ENGINE_V2_FRAME_STATS_FLUSH_INTERVAL_MS,
-	VOICE_ENGINE_V2_FRAME_STATS_TRACKS_CAP,
 	VoiceEngineV2Controller,
-	VoiceEngineV2FrameStatsAccumulator,
 	VoiceEngineV2Runtime,
 } from './runtime';
 export type {
@@ -1,23 +0,0 @@
-// SPDX-License-Identifier: AGPL-3.0-or-later
-
-export type VoiceEngineV2ParticipantE2eeState = 'encrypted' | 'decryption_failed' | 'unencrypted' | 'unknown';
-
-export function normalizeVoiceEngineV2ParticipantE2eeState(raw: unknown): VoiceEngineV2ParticipantE2eeState {
-	switch (raw) {
-		case 'encrypted':
-		case 'ok':
-			return 'encrypted';
-		case 'decryption_failed':
-		case 'decryptionFailed':
-		case 'error':
-		case 'broken':
-			return 'decryption_failed';
-		case 'unencrypted':
-		case 'missing_key':
-		case 'missingKey':
-		case 'internal_error':
-			return 'unencrypted';
-		default:
-			return 'unknown';
-	}
-}
@@ -21,8 +21,6 @@ export {
 	voiceEngineV2VideoCodecRank,
 	worseVoiceEngineV2VideoCodec,
 } from './codecNegotiation';
-export type {VoiceEngineV2ParticipantE2eeState} from './e2eeState';
-export {normalizeVoiceEngineV2ParticipantE2eeState} from './e2eeState';
 export {
 	hasVoiceEngineV2NativeHardwareEncoder,
 	hasVoiceEngineV2NativeNvencEncoder,
@@ -30,11 +28,6 @@ export {
 	normalizeVoiceEngineV2HardwareEncoderCapabilities,
 	unavailableVoiceEngineV2HardwareEncoderCapabilities,
 } from './hardwareEncoderCapabilities';
-export type {
-	VoiceEngineV2LocalTrackReconnectState,
-	VoiceEngineV2ReconnectTrackSource,
-} from './localMediaReconnectSuppression';
-export {shouldSuppressVoiceEngineV2LocalTrackStateDuringReconnect} from './localMediaReconnectSuppression';
 export type {
 	VoiceEngineV2MicrophoneFailureContext,
 	VoiceEngineV2MicrophoneOperationFailureAction,
@@ -42,19 +35,6 @@ export type {
 	VoiceEngineV2OperationResultLike,
 } from './microphoneFailureAction';
 export {getVoiceEngineV2MicrophoneOperationFailureAction} from './microphoneFailureAction';
-export type {
-	VoiceEngineV2NativeConnectRetryPolicyInput,
-	VoiceEngineV2RetryConnectionState,
-	VoiceEngineV2RetryVoiceState,
-} from './nativeConnectRetry';
-export {shouldRetryVoiceEngineV2NativeConnectTimeout} from './nativeConnectRetry';
-export type {VoiceEngineV2NativeParticipantVolumeInput} from './nativeParticipantVolume';
-export {
-	boostedVoiceEngineV2VolumePercentToTrackVolume,
-	clampVoiceEngineV2VolumePercent,
-	computeVoiceEngineV2NativeParticipantVolume,
-	VOICE_ENGINE_V2_VOLUME_MAX_PERCENT,
-} from './nativeParticipantVolume';
 export type {
 	VoiceEngineV2ScreenEncodingPlan,
 	VoiceEngineV2ScreenEncodingPlanAction,
@@ -1,30 +0,0 @@
-// SPDX-License-Identifier: AGPL-3.0-or-later
-
-export type VoiceEngineV2ReconnectTrackSource =
-	| 'microphone'
-	| 'camera'
-	| 'screen_share'
-	| 'screen'
-	| 'unknown'
-	| string;
-
-export interface VoiceEngineV2LocalTrackReconnectState {
-	source: VoiceEngineV2ReconnectTrackSource;
-	enabled: boolean;
-	reconnecting: boolean;
-	restoreVideo: boolean;
-	restoreStream: boolean;
-}
-
-export function shouldSuppressVoiceEngineV2LocalTrackStateDuringReconnect({
-	source,
-	enabled,
-	reconnecting,
-	restoreVideo,
-	restoreStream,
-}: VoiceEngineV2LocalTrackReconnectState): boolean {
-	if (enabled || !reconnecting) return false;
-	if (source === 'camera') return restoreVideo;
-	if (source === 'screen_share' || source === 'screen') return restoreStream;
-	return false;
-}
@@ -1,60 +0,0 @@
-// SPDX-License-Identifier: AGPL-3.0-or-later
-
-const PRIVATE_VOICE_SCOPE_ID = '@me';
-
-export interface VoiceEngineV2RetryVoiceState {
-	guild_id: string | null;
-	channel_id: string | null;
-}
-
-export interface VoiceEngineV2RetryConnectionState {
-	connectionId: string | null;
-	guildId: string | null;
-	channelId: string | null;
-	connecting: boolean;
-	connected: boolean;
-	reconnecting: boolean;
-}
-
-export interface VoiceEngineV2NativeConnectRetryPolicyInput {
-	connectionId: string;
-	guildId: string | null;
-	channelId: string;
-	voiceState: VoiceEngineV2RetryVoiceState | null;
-	connectionState: VoiceEngineV2RetryConnectionState;
-}
-
-function normalizeVoiceScope(guildId: string | null | undefined): string {
-	return guildId ?? PRIVATE_VOICE_SCOPE_ID;
-}
-
-function isGatewayVoiceStateActiveForConnection({
-	guildId,
-	channelId,
-	voiceState,
-}: VoiceEngineV2NativeConnectRetryPolicyInput): boolean {
-	if (!voiceState?.channel_id) return false;
-	return (
-		voiceState.channel_id === channelId && normalizeVoiceScope(voiceState.guild_id) === normalizeVoiceScope(guildId)
-	);
-}
-
-function isAcceptedVoiceConnectionStillActive({
-	connectionId,
-	guildId,
-	channelId,
-	connectionState,
-}: VoiceEngineV2NativeConnectRetryPolicyInput): boolean {
-	return (
-		connectionState.connectionId === connectionId &&
-		connectionState.channelId === channelId &&
-		normalizeVoiceScope(connectionState.guildId) === normalizeVoiceScope(guildId) &&
-		(connectionState.connecting || connectionState.connected || connectionState.reconnecting)
-	);
-}
-
-export function shouldRetryVoiceEngineV2NativeConnectTimeout(
-	input: VoiceEngineV2NativeConnectRetryPolicyInput,
-): boolean {
-	return isGatewayVoiceStateActiveForConnection(input) || isAcceptedVoiceConnectionStillActive(input);
-}
@@ -1,195 +0,0 @@
-// SPDX-License-Identifier: AGPL-3.0-or-later
-
-import {describe, expect, it} from 'vitest';
-import {
-	computeVoiceEngineV2NativeParticipantVolume,
-	VOICE_ENGINE_V2_VOLUME_MAX_PERCENT,
-} from './nativeParticipantVolume';
-
-const USER_VOLUME_PERCENTS = [0, 25, 50, 100, 150, VOICE_ENGINE_V2_VOLUME_MAX_PERCENT];
-
-describe('computeVoiceEngineV2NativeParticipantVolume deafen handling', () => {
-	it.each(USER_VOLUME_PERCENTS)('forces volume 0 when effectiveDeaf regardless of user volume %d', (percent) => {
-		const volume = computeVoiceEngineV2NativeParticipantVolume({
-			userVolumePercent: percent,
-			outputVolumePercent: 100,
-			locallyMuted: false,
-			effectiveDeaf: true,
-		});
-		expect(volume).toBe(0);
-	});
-
-	it('forces volume 0 when effectiveDeaf and locallyMuted', () => {
-		const volume = computeVoiceEngineV2NativeParticipantVolume({
-			userVolumePercent: 100,
-			outputVolumePercent: 100,
-			locallyMuted: true,
-			effectiveDeaf: true,
-		});
-		expect(volume).toBe(0);
-	});
-
-	it('forces volume 0 when effectiveDeaf with boosted output volume', () => {
-		const volume = computeVoiceEngineV2NativeParticipantVolume({
-			userVolumePercent: VOICE_ENGINE_V2_VOLUME_MAX_PERCENT,
-			outputVolumePercent: VOICE_ENGINE_V2_VOLUME_MAX_PERCENT,
-			locallyMuted: false,
-			effectiveDeaf: true,
-		});
-		expect(volume).toBe(0);
-	});
-
-	it('returns 0 when locallyMuted and not deafened', () => {
-		const volume = computeVoiceEngineV2NativeParticipantVolume({
-			userVolumePercent: 100,
-			outputVolumePercent: 100,
-			locallyMuted: true,
-			effectiveDeaf: false,
-		});
-		expect(volume).toBe(0);
-	});
-
-	it('returns unity gain at 100/100 when not deafened and not muted', () => {
-		const volume = computeVoiceEngineV2NativeParticipantVolume({
-			userVolumePercent: 100,
-			outputVolumePercent: 100,
-			locallyMuted: false,
-			effectiveDeaf: false,
-		});
-		expect(volume).toBeCloseTo(1, 5);
-	});
-
-	it('treats omitted effectiveDeaf as not deafened', () => {
-		const volume = computeVoiceEngineV2NativeParticipantVolume({
-			userVolumePercent: 100,
-			outputVolumePercent: 100,
-			locallyMuted: false,
-		});
-		expect(volume).toBeCloseTo(1, 5);
-	});
-
-	it.each(USER_VOLUME_PERCENTS)('stays within [0, 2] when undeafened at user volume %d', (percent) => {
-		const volume = computeVoiceEngineV2NativeParticipantVolume({
-			userVolumePercent: percent,
-			outputVolumePercent: VOICE_ENGINE_V2_VOLUME_MAX_PERCENT,
-			locallyMuted: false,
-			effectiveDeaf: false,
-		});
-		expect(volume).toBeGreaterThanOrEqual(0);
-		expect(volume).toBeLessThanOrEqual(2);
-	});
-
-	it('restores a positive volume after undeafen for an audible participant', () => {
-		const deafened = computeVoiceEngineV2NativeParticipantVolume({
-			userVolumePercent: 150,
-			outputVolumePercent: 100,
-			locallyMuted: false,
-			effectiveDeaf: true,
-		});
-		const restored = computeVoiceEngineV2NativeParticipantVolume({
-			userVolumePercent: 150,
-			outputVolumePercent: 100,
-			locallyMuted: false,
-			effectiveDeaf: false,
-		});
-		expect(deafened).toBe(0);
-		expect(restored).toBeGreaterThan(1);
-	});
-
-	it('forces volume 0 when streamMuted regardless of stream volume', () => {
-		const volume = computeVoiceEngineV2NativeParticipantVolume({
-			userVolumePercent: 100,
-			outputVolumePercent: 100,
-			locallyMuted: false,
-			effectiveDeaf: false,
-			streamVolumePercent: 100,
-			streamMuted: true,
-		});
-		expect(volume).toBe(0);
-	});
-
-	it('returns 0 when stream volume is 0', () => {
-		const volume = computeVoiceEngineV2NativeParticipantVolume({
-			userVolumePercent: 100,
-			outputVolumePercent: 100,
-			locallyMuted: false,
-			effectiveDeaf: false,
-			streamVolumePercent: 0,
-		});
-		expect(volume).toBe(0);
-	});
-
-	it('composes a reduced stream volume below unity gain', () => {
-		const volume = computeVoiceEngineV2NativeParticipantVolume({
-			userVolumePercent: 100,
-			outputVolumePercent: 100,
-			locallyMuted: false,
-			effectiveDeaf: false,
-			streamVolumePercent: 50,
-		});
-		expect(volume).toBeGreaterThan(0);
-		expect(volume).toBeLessThan(1);
-	});
-
-	it('treats omitted stream inputs as full stream volume', () => {
-		const withStream = computeVoiceEngineV2NativeParticipantVolume({
-			userVolumePercent: 100,
-			outputVolumePercent: 100,
-			locallyMuted: false,
-			effectiveDeaf: false,
-			streamVolumePercent: 100,
-			streamMuted: false,
-		});
-		const withoutStream = computeVoiceEngineV2NativeParticipantVolume({
-			userVolumePercent: 100,
-			outputVolumePercent: 100,
-			locallyMuted: false,
-			effectiveDeaf: false,
-		});
-		expect(withStream).toBeCloseTo(withoutStream, 5);
-	});
-
-	it('forces volume 0 when deafened even if stream is unmuted at full volume', () => {
-		const volume = computeVoiceEngineV2NativeParticipantVolume({
-			userVolumePercent: 100,
-			outputVolumePercent: 100,
-			locallyMuted: false,
-			effectiveDeaf: true,
-			streamVolumePercent: 100,
-			streamMuted: false,
-		});
-		expect(volume).toBe(0);
-	});
-
-	it('throws on non-boolean streamMuted', () => {
-		expect(() =>
-			computeVoiceEngineV2NativeParticipantVolume({
-				userVolumePercent: 100,
-				outputVolumePercent: 100,
-				locallyMuted: false,
-				streamMuted: 'no' as unknown as boolean,
-			}),
-		).toThrow();
-	});
-
-	it('throws on non-boolean locallyMuted', () => {
-		expect(() =>
-			computeVoiceEngineV2NativeParticipantVolume({
-				userVolumePercent: 100,
-				outputVolumePercent: 100,
-				locallyMuted: 'yes' as unknown as boolean,
-			}),
-		).toThrow();
-	});
-
-	it('throws on non-boolean effectiveDeaf', () => {
-		expect(() =>
-			computeVoiceEngineV2NativeParticipantVolume({
-				userVolumePercent: 100,
-				outputVolumePercent: 100,
-				locallyMuted: false,
-				effectiveDeaf: 1 as unknown as boolean,
-			}),
-		).toThrow();
-	});
-});
@@ -1,58 +0,0 @@
-// SPDX-License-Identifier: AGPL-3.0-or-later
-
-import assert from 'node:assert/strict';
-
-export const VOICE_ENGINE_V2_VOLUME_MAX_PERCENT = 200;
-
-const UNITY_GAIN_PERCENT = 100;
-const QUIET_RANGE_EXPONENT = 1.2;
-const PARTICIPANT_GAIN_MAX = 2;
-
-export interface VoiceEngineV2NativeParticipantVolumeInput {
-	userVolumePercent: number;
-	outputVolumePercent: number;
-	locallyMuted: boolean;
-	effectiveDeaf?: boolean;
-	streamVolumePercent?: number;
-	streamMuted?: boolean;
-}
-
-export function clampVoiceEngineV2VolumePercent(value: number): number {
-	if (!Number.isFinite(value)) return UNITY_GAIN_PERCENT;
-	return Math.max(0, Math.min(VOICE_ENGINE_V2_VOLUME_MAX_PERCENT, value));
-}
-
-export function boostedVoiceEngineV2VolumePercentToTrackVolume(value: number): number {
-	const clamped = clampVoiceEngineV2VolumePercent(value);
-	if (clamped === 0) return 0;
-	if (clamped <= UNITY_GAIN_PERCENT) {
-		return 10 ** (((clamped - UNITY_GAIN_PERCENT) / UNITY_GAIN_PERCENT) * QUIET_RANGE_EXPONENT);
-	}
-	return 2 ** ((clamped - UNITY_GAIN_PERCENT) / (VOICE_ENGINE_V2_VOLUME_MAX_PERCENT - UNITY_GAIN_PERCENT));
-}
-
-export function computeVoiceEngineV2NativeParticipantVolume(input: VoiceEngineV2NativeParticipantVolumeInput): number {
-	assert.equal(typeof input.locallyMuted, 'boolean', 'locallyMuted must be a boolean');
-	if (input.effectiveDeaf !== undefined) {
-		assert.equal(typeof input.effectiveDeaf, 'boolean', 'effectiveDeaf must be a boolean when provided');
-	}
-	if (input.streamMuted !== undefined) {
-		assert.equal(typeof input.streamMuted, 'boolean', 'streamMuted must be a boolean when provided');
-	}
-	if (input.effectiveDeaf === true) return 0;
-	if (input.locallyMuted) return 0;
-	if (input.streamMuted === true) return 0;
-	const streamVolumePercent =
-		input.streamVolumePercent === undefined
-			? UNITY_GAIN_PERCENT
-			: clampVoiceEngineV2VolumePercent(input.streamVolumePercent);
-	const composedPercent =
-		(clampVoiceEngineV2VolumePercent(input.userVolumePercent) / UNITY_GAIN_PERCENT) *
-		(streamVolumePercent / UNITY_GAIN_PERCENT) *
-		clampVoiceEngineV2VolumePercent(input.outputVolumePercent);
-	const gain = boostedVoiceEngineV2VolumePercentToTrackVolume(clampVoiceEngineV2VolumePercent(composedPercent));
-	const volume = Math.max(0, Math.min(PARTICIPANT_GAIN_MAX, gain));
-	assert.ok(volume >= 0, 'participant volume must be non-negative');
-	assert.ok(volume <= PARTICIPANT_GAIN_MAX, 'participant volume must not exceed gain cap');
-	return volume;
-}
@@ -2,12 +2,8 @@

 import {describe, expect, it} from 'vitest';
 import cameraShareEncodingPlanFixtures from '../../fixtures/policies/camera_share_encoding_plan.json';
-import e2eeFixtures from '../../fixtures/policies/e2ee_state_normalization.json';
 import hardwareEncoderCapabilityFixtures from '../../fixtures/policies/hardware_encoder_capabilities.json';
-import localMediaReconnectFixtures from '../../fixtures/policies/local_media_reconnect_suppression.json';
 import microphoneFailureFixtures from '../../fixtures/policies/microphone_failure_action.json';
-import connectRetryFixtures from '../../fixtures/policies/native_connect_retry.json';
-import volumeFixtures from '../../fixtures/policies/native_participant_volume.json';
 import screenShareEncodingPlanFixtures from '../../fixtures/policies/screen_share_encoding_plan.json';
 import voiceStatsCoercionFixtures from '../../fixtures/policies/voice_stats_coercion.json';
 import voiceStatsSummaryFixtures from '../../fixtures/policies/voice_stats_summary.json';
@@ -22,31 +18,19 @@ import type {
 import {
 	classifyVoiceEngineV2TrackStats,
 	coerceVoiceEngineV2Stats,
-	computeVoiceEngineV2NativeParticipantVolume,
 	getVoiceEngineV2MicrophoneOperationFailureAction,
 	hasVoiceEngineV2NativeNvencEncoder,
 	normalizeVoiceEngineV2HardwareEncoderCapabilities,
-	normalizeVoiceEngineV2ParticipantE2eeState,
 	planVoiceEngineV2CameraEncodingChange,
 	planVoiceEngineV2ScreenEncodingChange,
-	shouldRetryVoiceEngineV2NativeConnectTimeout,
-	shouldSuppressVoiceEngineV2LocalTrackStateDuringReconnect,
 	summarizeVoiceEngineV2Stats,
-	type VoiceEngineV2LocalTrackReconnectState,
 	type VoiceEngineV2MicrophoneFailureContext,
-	type VoiceEngineV2NativeConnectRetryPolicyInput,
 	type VoiceEngineV2OperationResultLike,
 	type VoiceEngineV2StatsSummary,
 	type VoiceEngineV2StatsTrackClassificationInput,
 	type VoiceEngineV2StatsTrackRoleSelection,
 } from './index';

-interface ConnectRetryFixture {
-	name: string;
-	input: VoiceEngineV2NativeConnectRetryPolicyInput;
-	expected: boolean;
-}
-
 interface MicrophoneFailureFixture {
 	name: string;
 	result: VoiceEngineV2OperationResultLike;
@@ -55,33 +39,6 @@ interface MicrophoneFailureFixture {
 	expected: string;
 }

-interface VolumeFixture {
-	name: string;
-	input: {
-		userVolumePercent: number | null;
-		outputVolumePercent: number | null;
-		locallyMuted: boolean;
-	};
-	expected?: number;
-	expectedRange?: {
-		minExclusive?: number;
-		maxExclusive?: number;
-		minInclusive?: number;
-		maxInclusive?: number;
-	};
-}
-
-interface LocalMediaReconnectFixture {
-	name: string;
-	input: VoiceEngineV2LocalTrackReconnectState;
-	expected: boolean;
-}
-
-interface E2eeFixture {
-	raw: unknown;
-	expected: string;
-}
-
 interface HardwareEncoderCapabilityFixture {
 	name: string;
 	input: unknown;
@@ -141,52 +98,12 @@ interface VoiceTrackClassificationFixture {
 }

 describe('voice engine v2 policies', () => {
-	it.each(connectRetryFixtures as Array<ConnectRetryFixture>)('replays native connect retry fixture: $name', ({
-		input,
-		expected,
-	}) => {
-		expect(shouldRetryVoiceEngineV2NativeConnectTimeout(input)).toBe(expected);
-	});
-
 	it.each(
 		microphoneFailureFixtures as Array<MicrophoneFailureFixture>,
 	)('replays microphone failure action fixture: $name', ({result, requestedEnabled, context, expected}) => {
 		expect(getVoiceEngineV2MicrophoneOperationFailureAction(result, requestedEnabled, context)).toBe(expected);
 	});

-	it.each(volumeFixtures as Array<VolumeFixture>)('replays native volume fixture: $name', (fixture) => {
-		const gain = computeVoiceEngineV2NativeParticipantVolume({
-			userVolumePercent: fixture.input.userVolumePercent ?? Number.NaN,
-			outputVolumePercent: fixture.input.outputVolumePercent ?? Number.NaN,
-			locallyMuted: fixture.input.locallyMuted,
-		});
-		if (fixture.expected !== undefined) {
-			expect(gain).toBeCloseTo(fixture.expected, 5);
-		}
-		if (fixture.expectedRange?.minExclusive !== undefined) {
-			expect(gain).toBeGreaterThan(fixture.expectedRange.minExclusive);
-		}
-		if (fixture.expectedRange?.maxExclusive !== undefined) {
-			expect(gain).toBeLessThan(fixture.expectedRange.maxExclusive);
-		}
-		if (fixture.expectedRange?.minInclusive !== undefined) {
-			expect(gain).toBeGreaterThanOrEqual(fixture.expectedRange.minInclusive);
-		}
-		if (fixture.expectedRange?.maxInclusive !== undefined) {
-			expect(gain).toBeLessThanOrEqual(fixture.expectedRange.maxInclusive);
-		}
-	});
-
-	it.each(
-		localMediaReconnectFixtures as Array<LocalMediaReconnectFixture>,
-	)('replays local media reconnect suppression fixture: $name', ({input, expected}) => {
-		expect(shouldSuppressVoiceEngineV2LocalTrackStateDuringReconnect(input)).toBe(expected);
-	});
-
-	it.each(e2eeFixtures as Array<E2eeFixture>)('replays E2EE state normalization fixture %#', ({raw, expected}) => {
-		expect(normalizeVoiceEngineV2ParticipantE2eeState(raw)).toBe(expected);
-	});
-
 	it.each(
 		hardwareEncoderCapabilityFixtures as Array<HardwareEncoderCapabilityFixture>,
 	)('replays hardware encoder capability fixture: $name', ({
@@ -39,7 +39,6 @@ import type {
 	VoiceEngineV2LiveKitRoomState,
 	VoiceEngineV2LocalStreamSource,
 	VoiceEngineV2MicrophoneOptions,
-	VoiceEngineV2NativeAudioDeviceModuleStatus,
 	VoiceEngineV2NativeAudioTapOptions,
 	VoiceEngineV2NativeCaptureFrame,
 	VoiceEngineV2NativeCaptureOptions,
@@ -198,11 +197,6 @@ export type VoiceEngineV2Event =
 	| {type: 'devices.selectAudioInputRequested'; deviceId: string | null}
 	| {type: 'devices.selectAudioOutputRequested'; deviceId: string | null}
 	| {type: 'devices.selectCameraRequested'; deviceId: string | null}
-	| {
-			type: 'nativeAudioDeviceModule.statusChanged';
-			status: VoiceEngineV2NativeAudioDeviceModuleStatus;
-			detail?: string | null;
-	  }
 	| {type: 'audioControls.changed'; controls: VoiceEngineV2AudioControlsPatch}
 	| {type: 'nativeCapture.startRequested'; options: VoiceEngineV2NativeCaptureOptions}
 	| {type: 'nativeCapture.updateRequested'; options: VoiceEngineV2NativeCaptureOptions}
@@ -59,8 +59,6 @@ export type {
 	VoiceEngineV2MediaStatus,
 	VoiceEngineV2MicrophoneOptions,
 	VoiceEngineV2Model,
-	VoiceEngineV2NativeAudioDeviceModuleState,
-	VoiceEngineV2NativeAudioDeviceModuleStatus,
 	VoiceEngineV2NativeAudioTapOptions,
 	VoiceEngineV2NativeCaptureFrame,
 	VoiceEngineV2NativeCaptureKind,
@@ -11,7 +11,6 @@ export type VoiceEngineV2ConnectionStatus =
 	| 'failed';

 export type VoiceEngineV2MediaStatus = 'idle' | 'publishing' | 'published' | 'unpublishing' | 'failed';
-export type VoiceEngineV2NativeAudioDeviceModuleStatus = 'unknown' | 'unsupported' | 'warming' | 'ready' | 'failed';

 export type VoiceEngineV2OperationId = number;

@@ -175,11 +174,6 @@ export interface VoiceEngineV2LiveKitRoomState {
 	serverRegion: string | null;
 }

-export interface VoiceEngineV2NativeAudioDeviceModuleState {
-	status: VoiceEngineV2NativeAudioDeviceModuleStatus;
-	detail: string | null;
-}
-
 export interface VoiceEngineV2MicrophoneOptions {
 	deviceId?: string;
 	echoCancellation?: boolean;
@@ -1,29 +0,0 @@
-// SPDX-License-Identifier: AGPL-3.0-or-later
-
-import {bench, describe} from 'vitest';
-import type {VoiceEngineV2InboundVideoFrame} from '../protocol/types';
-import {VoiceEngineV2FrameStatsAccumulator} from './frameStatsBatching';
-
-const frame: VoiceEngineV2InboundVideoFrame = Object.freeze({
-	participantSid: 'sid-remote',
-	participantIdentity: 'identity-remote',
-	trackSid: 'track-video-1',
-	width: 1280,
-	height: 720,
-	timestampUs: 1_000_000,
-	byteLength: 320_000,
-});
-
-const recordAccumulator = new VoiceEngineV2FrameStatsAccumulator();
-const flushAccumulator = new VoiceEngineV2FrameStatsAccumulator();
-
-describe('voice engine v2 frame stats accumulator hot paths', () => {
-	bench('record per-frame update', () => {
-		recordAccumulator.record(frame);
-	});
-
-	bench('record then flush one dirty track', () => {
-		flushAccumulator.record(frame);
-		flushAccumulator.flushDirty(() => {});
-	});
-});
@@ -1,129 +0,0 @@
-// SPDX-License-Identifier: AGPL-3.0-or-later
-
-import {describe, expect, it} from 'vitest';
-import type {VoiceEngineV2InboundVideoFrame} from '../protocol/types';
-import {
-	VOICE_ENGINE_V2_FRAME_STATS_TRACKS_CAP,
-	VoiceEngineV2FrameStatsAccumulator,
-	type VoiceEngineV2FrameStatsEvent,
-} from './frameStatsBatching';
-
-function makeFrame(overrides: Partial<VoiceEngineV2InboundVideoFrame> = {}): VoiceEngineV2InboundVideoFrame {
-	return {
-		participantSid: 'PA_alice',
-		participantIdentity: 'alice',
-		trackSid: 'TR_screen',
-		width: 1280,
-		height: 720,
-		timestampUs: 1000,
-		byteLength: 1_382_400,
-		...overrides,
-	};
-}
-
-function collectFlush(accumulator: VoiceEngineV2FrameStatsAccumulator): Array<VoiceEngineV2FrameStatsEvent> {
-	const events: Array<VoiceEngineV2FrameStatsEvent> = [];
-	accumulator.flushDirty((event) => events.push(event));
-	return events;
-}
-
-describe('voice engine v2 frame stats accumulator', () => {
-	it('accumulates a cumulative frame count and flushes one absolute event per dirty track', () => {
-		const accumulator = new VoiceEngineV2FrameStatsAccumulator();
-		for (let index = 1; index <= 30; index += 1) {
-			expect(accumulator.record(makeFrame({timestampUs: index * 33_333}))).toBe(true);
-		}
-		expect(accumulator.trackedTracksCount).toBe(1);
-		expect(accumulator.dirtyTracksCount).toBe(1);
-
-		const events = collectFlush(accumulator);
-		expect(events).toEqual([
-			{
-				type: 'inboundVideo.frameStats',
-				stats: {
-					participantSid: 'PA_alice',
-					participantIdentity: 'alice',
-					trackSid: 'TR_screen',
-					width: 1280,
-					height: 720,
-					frameCount: 30,
-					lastFrameTimestampUs: 30 * 33_333,
-					lastFrameByteLength: 1_382_400,
-				},
-			},
-		]);
-		expect(accumulator.dirtyTracksCount).toBe(0);
-		expect(collectFlush(accumulator)).toEqual([]);
-	});
-
-	it('keeps the cumulative count across flushes and reuses the same record without re-allocating slots', () => {
-		const accumulator = new VoiceEngineV2FrameStatsAccumulator();
-		accumulator.record(makeFrame({timestampUs: 1000}));
-		collectFlush(accumulator);
-		accumulator.record(makeFrame({timestampUs: 2000, width: 640, height: 360, byteLength: undefined}));
-
-		const events = collectFlush(accumulator);
-		expect(events).toHaveLength(1);
-		expect(events[0]?.stats).toMatchObject({
-			frameCount: 2,
-			lastFrameTimestampUs: 2000,
-			lastFrameByteLength: null,
-			width: 640,
-			height: 360,
-		});
-		expect(accumulator.trackedTracksCount).toBe(1);
-	});
-
-	it('omits participantIdentity when never observed for the track', () => {
-		const accumulator = new VoiceEngineV2FrameStatsAccumulator();
-		accumulator.record(makeFrame({participantIdentity: undefined}));
-
-		const events = collectFlush(accumulator);
-		expect(events).toHaveLength(1);
-		expect(events[0]?.stats).not.toHaveProperty('participantIdentity');
-	});
-
-	it('drops updates for new tracks at the cap and counts the drops', () => {
-		const accumulator = new VoiceEngineV2FrameStatsAccumulator();
-		for (let index = 0; index < VOICE_ENGINE_V2_FRAME_STATS_TRACKS_CAP; index += 1) {
-			expect(accumulator.record(makeFrame({trackSid: `TR_${index}`}))).toBe(true);
-		}
-		expect(accumulator.trackedTracksCount).toBe(VOICE_ENGINE_V2_FRAME_STATS_TRACKS_CAP);
-
-		expect(accumulator.record(makeFrame({trackSid: 'TR_overflow'}))).toBe(false);
-		expect(accumulator.droppedUpdatesCount).toBe(1);
-		expect(accumulator.record(makeFrame({trackSid: 'TR_0'}))).toBe(true);
-		expect(accumulator.trackedTracksCount).toBe(VOICE_ENGINE_V2_FRAME_STATS_TRACKS_CAP);
-
-		accumulator.removeTrack('TR_1');
-		expect(accumulator.record(makeFrame({trackSid: 'TR_overflow'}))).toBe(true);
-		expect(accumulator.trackedTracksCount).toBe(VOICE_ENGINE_V2_FRAME_STATS_TRACKS_CAP);
-	});
-
-	it('removes dirty bookkeeping when a tracked track is removed before a flush', () => {
-		const accumulator = new VoiceEngineV2FrameStatsAccumulator();
-		accumulator.record(makeFrame({trackSid: 'TR_a'}));
-		accumulator.record(makeFrame({trackSid: 'TR_b'}));
-		expect(accumulator.dirtyTracksCount).toBe(2);
-
-		accumulator.removeTrack('TR_a');
-		expect(accumulator.dirtyTracksCount).toBe(1);
-		const events = collectFlush(accumulator);
-		expect(events).toHaveLength(1);
-		expect(events[0]?.stats.trackSid).toBe('TR_b');
-	});
-
-	it('clear resets records, dirty bookkeeping, and keeps the dropped counter', () => {
-		const accumulator = new VoiceEngineV2FrameStatsAccumulator();
-		for (let index = 0; index <= VOICE_ENGINE_V2_FRAME_STATS_TRACKS_CAP; index += 1) {
-			accumulator.record(makeFrame({trackSid: `TR_${index}`}));
-		}
-		expect(accumulator.droppedUpdatesCount).toBe(1);
-
-		accumulator.clear();
-		expect(accumulator.trackedTracksCount).toBe(0);
-		expect(accumulator.dirtyTracksCount).toBe(0);
-		expect(accumulator.droppedUpdatesCount).toBe(1);
-		expect(collectFlush(accumulator)).toEqual([]);
-	});
-});
@@ -1,129 +0,0 @@
-// SPDX-License-Identifier: AGPL-3.0-or-later
-
-import assert from 'node:assert/strict';
-import type {VoiceEngineV2Event} from '../protocol/events';
-import type {VoiceEngineV2InboundVideoFrame} from '../protocol/types';
-import {VOICE_ENGINE_V2_COALESCED_TRACKS_CAP} from './frameCoalescing';
-
-export const VOICE_ENGINE_V2_FRAME_STATS_TRACKS_CAP = VOICE_ENGINE_V2_COALESCED_TRACKS_CAP;
-export const VOICE_ENGINE_V2_FRAME_STATS_FLUSH_INTERVAL_MS = 1000;
-
-export type VoiceEngineV2FrameStatsEvent = Extract<VoiceEngineV2Event, {type: 'inboundVideo.frameStats'}>;
-
-interface VoiceEngineV2FrameStatsRecord {
-	participantSid: string;
-	participantIdentity: string | null;
-	trackSid: string;
-	width: number;
-	height: number;
-	frameCount: number;
-	lastFrameTimestampUs: number;
-	lastFrameByteLength: number | null;
-	dirty: boolean;
-}
-
-export class VoiceEngineV2FrameStatsAccumulator {
-	private readonly recordsByTrack = new Map<string, VoiceEngineV2FrameStatsRecord>();
-	private droppedUpdatesCountValue = 0;
-	private dirtyTracksCountValue = 0;
-
-	record(frame: VoiceEngineV2InboundVideoFrame): boolean {
-		assert.ok(frame != null, 'record requires a non-null frame');
-		assert.equal(typeof frame.trackSid, 'string', 'record requires a string trackSid');
-		let entry = this.recordsByTrack.get(frame.trackSid);
-		if (entry === undefined) {
-			if (this.recordsByTrack.size >= VOICE_ENGINE_V2_FRAME_STATS_TRACKS_CAP) {
-				this.droppedUpdatesCountValue += 1;
-				assert.ok(this.droppedUpdatesCountValue >= 1, 'dropped updates count must stay positive after a drop');
-				return false;
-			}
-			entry = {
-				participantSid: frame.participantSid,
-				participantIdentity: frame.participantIdentity ?? null,
-				trackSid: frame.trackSid,
-				width: frame.width,
-				height: frame.height,
-				frameCount: 0,
-				lastFrameTimestampUs: frame.timestampUs,
-				lastFrameByteLength: frame.byteLength ?? null,
-				dirty: false,
-			};
-			this.recordsByTrack.set(frame.trackSid, entry);
-			assert.ok(this.recordsByTrack.size <= VOICE_ENGINE_V2_FRAME_STATS_TRACKS_CAP, 'frame stats records exceeded cap');
-		}
-		entry.participantSid = frame.participantSid;
-		entry.participantIdentity = frame.participantIdentity ?? entry.participantIdentity;
-		entry.width = frame.width;
-		entry.height = frame.height;
-		entry.frameCount += 1;
-		entry.lastFrameTimestampUs = frame.timestampUs;
-		entry.lastFrameByteLength = frame.byteLength ?? null;
-		if (!entry.dirty) {
-			entry.dirty = true;
-			this.dirtyTracksCountValue += 1;
-		}
-		assert.ok(this.dirtyTracksCountValue <= this.recordsByTrack.size, 'dirty count must not exceed tracked records');
-		return true;
-	}
-
-	flushDirty(emit: (event: VoiceEngineV2FrameStatsEvent) => void): number {
-		assert.equal(typeof emit, 'function', 'flushDirty requires a function emitter');
-		assert.ok(this.dirtyTracksCountValue >= 0, 'dirty count must be non-negative before flush');
-		let flushedCount = 0;
-		for (const entry of this.recordsByTrack.values()) {
-			if (!entry.dirty) continue;
-			entry.dirty = false;
-			flushedCount += 1;
-			emit({
-				type: 'inboundVideo.frameStats',
-				stats: {
-					participantSid: entry.participantSid,
-					...(entry.participantIdentity !== null ? {participantIdentity: entry.participantIdentity} : {}),
-					trackSid: entry.trackSid,
-					width: entry.width,
-					height: entry.height,
-					frameCount: entry.frameCount,
-					lastFrameTimestampUs: entry.lastFrameTimestampUs,
-					lastFrameByteLength: entry.lastFrameByteLength,
-				},
-			});
-		}
-		assert.equal(flushedCount, this.dirtyTracksCountValue, 'flush must visit every dirty record exactly once');
-		this.dirtyTracksCountValue = 0;
-		return flushedCount;
-	}
-
-	removeTrack(trackSid: string): void {
-		assert.equal(typeof trackSid, 'string', 'removeTrack requires a string trackSid');
-		assert.ok(trackSid.length > 0, 'removeTrack requires a non-empty trackSid');
-		const entry = this.recordsByTrack.get(trackSid);
-		if (entry === undefined) return;
-		if (entry.dirty) {
-			this.dirtyTracksCountValue -= 1;
-			assert.ok(this.dirtyTracksCountValue >= 0, 'dirty count must stay non-negative after removal');
-		}
-		this.recordsByTrack.delete(trackSid);
-	}
-
-	clear(): void {
-		this.recordsByTrack.clear();
-		this.dirtyTracksCountValue = 0;
-		assert.equal(this.recordsByTrack.size, 0, 'clear must remove every tracked record');
-		assert.equal(this.dirtyTracksCountValue, 0, 'clear must reset the dirty count');
-	}
-
-	get trackedTracksCount(): number {
-		assert.ok(this.recordsByTrack.size <= VOICE_ENGINE_V2_FRAME_STATS_TRACKS_CAP, 'frame stats records exceeded cap');
-		return this.recordsByTrack.size;
-	}
-
-	get dirtyTracksCount(): number {
-		assert.ok(this.dirtyTracksCountValue >= 0, 'dirty count must be non-negative');
-		return this.dirtyTracksCountValue;
-	}
-
-	get droppedUpdatesCount(): number {
-		assert.ok(this.droppedUpdatesCountValue >= 0, 'dropped updates count must be non-negative');
-		return this.droppedUpdatesCountValue;
-	}
-}
@@ -15,12 +15,6 @@ export {
 	isVoiceEngineV2FrameReceivedEvent,
 	VOICE_ENGINE_V2_COALESCED_TRACKS_CAP,
 } from './frameCoalescing';
-export type {VoiceEngineV2FrameStatsEvent} from './frameStatsBatching';
-export {
-	VOICE_ENGINE_V2_FRAME_STATS_FLUSH_INTERVAL_MS,
-	VOICE_ENGINE_V2_FRAME_STATS_TRACKS_CAP,
-	VoiceEngineV2FrameStatsAccumulator,
-} from './frameStatsBatching';
 export type {
 	VoiceEngineV2ClockPort,
 	VoiceEngineV2EntropySource,
@@ -5,7 +5,6 @@ import appVoiceSessionFixtureJson from '../../fixtures/event_logs/app_voice_sess
 import type {VoiceEngineV2Event} from '../protocol/events';
 import {createVoiceEngineV2MemoryEventLogSpillSink} from '../runtime/eventLogRing';
 import {coalesceVoiceEngineV2EventSequence} from '../runtime/frameCoalescing';
-import {VoiceEngineV2FrameStatsAccumulator} from '../runtime/frameStatsBatching';
 import {VoiceEngineV2Runtime} from '../runtime/VoiceEngineV2Runtime';
 import {
 	replayVoiceEngineV2EventLogFixture,
@@ -127,45 +126,6 @@ describe('voice engine v2 event-log fixture replay', () => {
 		expect(replay.finalSnapshot.inboundVideo.tracks.TR_screen?.frameCount).toBe(1);
 	});

-	it('replays a batched frame-stats log to the identical snapshot with a true cumulative frame count', () => {
-		const accumulator = new VoiceEngineV2FrameStatsAccumulator();
-		const runtime = makeCoalescingRuntime();
-		runtime.dispatch({
-			type: 'inboundVideo.trackSubscribed',
-			track: {participantSid: 'PA_alice', participantIdentity: 'alice', trackSid: 'TR_screen', source: 'screen'},
-		});
-		const burst = 30;
-		for (let index = 1; index <= burst; index += 1) {
-			accumulator.record({
-				participantSid: 'PA_alice',
-				participantIdentity: 'alice',
-				trackSid: 'TR_screen',
-				width: 1280,
-				height: 720,
-				timestampUs: index * 33_333,
-				byteLength: 1_382_400,
-			});
-		}
-		const flushedCount = accumulator.flushDirty((event) => {
-			runtime.dispatch(event);
-		});
-
-		expect(flushedCount).toBe(1);
-		expect(runtime.eventLog).toHaveLength(2);
-		expect(runtime.snapshot.inboundVideo.tracks.TR_screen?.frameCount).toBe(burst);
-		expect(runtime.snapshot.inboundVideo.tracks.TR_screen?.lastFrameTimestampUs).toBe(burst * 33_333);
-
-		const fixture: VoiceEngineV2EventLogFixture = {
-			version: VOICE_ENGINE_V2_EVENT_LOG_FIXTURE_VERSION,
-			name: 'batched_inbound_video_frame_stats',
-			steps: runtime.eventLog.map((entry) => ({event: entry.event, commands: entry.commands})),
-			expected: {finalSnapshot: runtime.snapshot},
-		};
-		const replay = replayVoiceEngineV2EventLogFixture(fixture);
-
-		expect(replay.finalSnapshot).toEqual(runtime.snapshot);
-	});
-
 	it('replays the same coalesced log deterministically across runtimes', () => {
 		const rawEvents = inboundVideoBurstEvents();
 		const first = makeCoalescingRuntime();