add types

src/lib/types.ts

@@ -0,0 +1,19 @@
+/** A track entry: [timestamp_seconds, artist, title] */
+export type Track = [number, string, string];
+
+/** The summary shape used in sidebar listings. */
+export interface StreamSummary {
+	id: string;
+	stream_date: number;
+	title: string | null;
+	tags: string[];
+	length_seconds: number;
+}
+
+/** The full stream shape used on the detail/player page. */
+export interface Stream extends StreamSummary {
+	filename: string;
+	format: string;
+	description: string | null;
+	tracks: Track[];
+}