backup and restore

server/src/lib/support-log.ts

@@ -0,0 +1,46 @@
+import type { SupportLogEntryDto } from "@mrp/shared";
+import { randomUUID } from "node:crypto";
+
+const SUPPORT_LOG_LIMIT = 200;
+
+const supportLogs: SupportLogEntryDto[] = [];
+
+function serializeContext(context?: Record<string, unknown>) {
+  if (!context) {
+    return "{}";
+  }
+
+  try {
+    return JSON.stringify(context);
+  } catch {
+    return JSON.stringify({ serializationError: "Unable to serialize support log context." });
+  }
+}
+
+export function recordSupportLog(entry: {
+  level: SupportLogEntryDto["level"];
+  source: string;
+  message: string;
+  context?: Record<string, unknown>;
+}) {
+  supportLogs.unshift({
+    id: randomUUID(),
+    level: entry.level,
+    source: entry.source,
+    message: entry.message,
+    contextJson: serializeContext(entry.context),
+    createdAt: new Date().toISOString(),
+  });
+
+  if (supportLogs.length > SUPPORT_LOG_LIMIT) {
+    supportLogs.length = SUPPORT_LOG_LIMIT;
+  }
+}
+
+export function listSupportLogs(limit = 50) {
+  return supportLogs.slice(0, Math.max(0, limit));
+}
+
+export function getSupportLogCount() {
+  return supportLogs.length;
+}