feat: redesign match play and add broadcast tooling

streamer/obs.test.ts

@@ -0,0 +1,38 @@
+import { expect, test } from 'bun:test';
+import { obsAuthentication } from './obs';
+import { parseTosu } from './tosu';
+
+test('OBS authentication matches the protocol documentation example', () => {
+	expect(
+		obsAuthentication(
+			'supersecretpassword',
+			'lM1GncleQOaCu9lT1yeUZhFYnqhsLLP1G5lAGo3ixaI=',
+			'+IxH4CnCiqpX1rM9scsNynZzbOe4KhDeYcTNS3PDaeY='
+		)
+	).toBe('1Ct943GAT+6YQUUX47Ia/ncufilbe6+oD6lY+5kaCu4=');
+});
+
+test('tosu tourney frames become per-player scores with map progress', () => {
+	const frame = parseTosu({
+		beatmap: { id: 75, time: { live: 30_000, firstObject: 10_000, lastObject: 50_000 } },
+		tourney: {
+			ipcState: 3,
+			clients: [
+				{
+					user: { id: 2, name: 'peppy' },
+					play: { score: 123_456, accuracy: 98.5, failed: false, combo: { current: 321 } }
+				},
+				{ user: { id: 0, name: '' }, play: { score: 0 } }
+			]
+		}
+	});
+	expect(frame).toEqual({
+		ipcState: 3,
+		beatmapId: 75,
+		progress: 0.5,
+		clients: [
+			{ osuId: 2, name: 'peppy', score: 123_456, accuracy: 98.5, combo: 321, failed: false }
+		]
+	});
+	expect(parseTosu({ beatmap: {} })).toBeNull();
+});