feat: add mpv TypeScript bridge

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

client/src/lib/mpv.ts

@@ -0,0 +1,41 @@
+import { invoke } from "@tauri-apps/api/core";
+
+export async function mpvStart(): Promise<void> {
+  return invoke("mpv_start");
+}
+
+export async function mpvStop(): Promise<void> {
+  return invoke("mpv_stop");
+}
+
+export async function mpvLoad(videoUrl: string, audioUrl: string): Promise<void> {
+  return invoke("mpv_load", { videoUrl, audioUrl });
+}
+
+export async function mpvSeek(time: number): Promise<void> {
+  return invoke("mpv_seek", { time });
+}
+
+export async function mpvPause(): Promise<void> {
+  return invoke("mpv_pause");
+}
+
+export async function mpvResume(): Promise<void> {
+  return invoke("mpv_resume");
+}
+
+export async function mpvSetLoop(a: number, b: number): Promise<void> {
+  return invoke("mpv_set_loop", { a, b });
+}
+
+export async function mpvClearLoop(): Promise<void> {
+  return invoke("mpv_clear_loop");
+}
+
+export async function mpvTimePos(): Promise<number> {
+  return invoke("mpv_time_pos");
+}
+
+export async function mpvDuration(): Promise<number> {
+  return invoke("mpv_duration");
+}