refactor(desktop): replace the native voice engine with a standalone hardware encoder (#1677)

fluxer_desktop/native/hardware-encoder/index.d.ts

@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+export interface HardwareEncoderCapability {
+	available: boolean;
+	backend: 'nvenc' | 'videotoolbox' | 'none';
+	compiled: boolean;
+	runtime: boolean;
+	codecs: Array<string>;
+	zeroCopy: boolean;
+	nativeInputs: Array<'dmabuf' | 'd3d11-texture' | string>;
+	reason?: string;
+	detail?: string;
+}
+
+export declare function isSupported(): boolean;
+export declare function getHardwareEncoderCapability(): HardwareEncoderCapability;
+export declare function getHardwareEncoderCapabilities(): HardwareEncoderCapability;