feat(cms): add recovery history and operational reliability tools

src/lib/error-group-query.ts

@@ -0,0 +1,46 @@
+import type { CmsErrorRecord } from "./error-monitor";
+export function queryErrorGroups(
+	records: CmsErrorRecord[],
+	params: Record<string, string | undefined>,
+	now = Date.now(),
+) {
+	const groups = new Map<string, CmsErrorRecord[]>();
+	for (const record of records) {
+		const events = groups.get(record.fingerprint) ?? [];
+		events.push(record);
+		groups.set(record.fingerprint, events);
+	}
+	const query = (params.q ?? "").trim().slice(0, 200).toLowerCase();
+	const duration =
+		params.period === "24h"
+			? 86400000
+			: params.period === "7d"
+				? 604800000
+				: null;
+	return [...groups]
+		.flatMap(([fingerprint, events]) => {
+			const latest = [...events].sort((a, b) => b.at.localeCompare(a.at))[0];
+			if (
+				(params.status === "open" && latest.resolved) ||
+				(params.status === "resolved" && !latest.resolved)
+			)
+				return [];
+			const matched = events.filter(
+				(r) =>
+					(!params.release || r.release === params.release) &&
+					(!params.source || r.source === params.source) &&
+					(!duration ||
+						(Date.parse(r.at) >= now - duration && Date.parse(r.at) <= now)) &&
+					(!query || JSON.stringify(r).toLowerCase().includes(query)),
+			);
+			if (!matched.length) return [];
+			matched.sort((a, b) => b.at.localeCompare(a.at));
+			return [{ fingerprint, events: matched, latest }];
+		})
+		.sort(
+			(a, b) =>
+				(params.sort === "frequency" ? b.events.length - a.events.length : 0) ||
+				b.events[0].at.localeCompare(a.events[0].at) ||
+				a.fingerprint.localeCompare(b.fingerprint),
+		);
+}