Aurora SpotiRip desktop and web app

- Spotify playlist, library, album and artist browsing with in-app playback
- Song, playlist and album downloads via spotdl with YouTube and Bandcamp fallbacks
- Electron desktop app (castLabs Widevine) with a permanent sidebar layout
- Linux and Windows packaging scripts

endpoints/lyrics_POST.schema.ts

@@ -0,0 +1,29 @@
+import { z } from "zod";
+import superjson from "superjson";
+
+export const schema = z.object({
+  title: z.string().min(1),
+  artist: z.string().min(1),
+  album: z.string().optional(),
+  durationMs: z.number().nonnegative().optional(),
+});
+
+export type InputType = z.infer<typeof schema>;
+export type OutputType = {
+  plain?: string;
+  synced?: string;
+  instrumental?: boolean;
+};
+
+export async function postLyrics(body: InputType): Promise<OutputType> {
+  const response = await fetch("/_api/lyrics", {
+    method: "POST",
+    headers: { "Content-Type": "application/json" },
+    body: superjson.stringify(schema.parse(body)),
+  });
+  if (!response.ok) {
+    const parsed = superjson.parse<{ error: string }>(await response.text());
+    throw new Error(parsed.error);
+  }
+  return superjson.parse<OutputType>(await response.text());
+}