games: automatic CS2 / PUBG / R6 match history — games.matches, match_players, seasons, snapshots, accounts; in-app poller (Leetify, FACEIT, Steam share codes, PUBG API, Ubisoft) every 20 min plus scripts/games-ingest.ts for backfills; match history, stats, maps and seasons on the per-game pages

src/lib/games-ingest/http.ts

@@ -0,0 +1,39 @@
+import { SourceError, sleep } from './types';
+
+const UA = 'stanrunge.dev games tracker (personal, self-hosted)';
+
+/** GET/POST JSON with a timeout, retrying 429/5xx a few times (honouring Retry-After). */
+export async function fetchJson<T = unknown>(
+	url: string,
+	init: RequestInit & { retries?: number; allow?: number[] } = {}
+): Promise<{ status: number; body: T }> {
+	const { retries = 3, allow = [], ...rest } = init;
+	for (let attempt = 0; ; attempt++) {
+		const res = await fetch(url, {
+			...rest,
+			headers: { 'User-Agent': UA, Accept: 'application/json', ...(rest.headers ?? {}) },
+			signal: AbortSignal.timeout(30_000)
+		});
+		if ((res.status === 429 || res.status >= 500) && attempt < retries) {
+			const after = Number(res.headers.get('retry-after'));
+			await sleep(
+				Math.min(90, Number.isFinite(after) && after > 0 ? after : 5 * 2 ** attempt) * 1000
+			);
+			continue;
+		}
+		const text = await res.text();
+		if (!res.ok && !allow.includes(res.status)) {
+			throw new SourceError(
+				`${res.status} from ${new URL(url).host}${new URL(url).pathname}: ${text.slice(0, 160)}`,
+				res.status
+			);
+		}
+		let body: unknown;
+		try {
+			body = text ? JSON.parse(text) : null;
+		} catch {
+			body = text;
+		}
+		return { status: res.status, body: body as T };
+	}
+}