Build verified checkpoint containers for TrueNAS

lib/random-id.ts

@@ -0,0 +1,15 @@
+/** UUID v4 for browser operations, including private LAN HTTP origins. */
+export function randomId(): string {
+  // Unlike randomUUID(), getRandomValues is available outside secure contexts.
+  const bytes = globalThis.crypto.getRandomValues(new Uint8Array(16));
+  bytes[6] = (bytes[6] & 0x0f) | 0x40;
+  bytes[8] = (bytes[8] & 0x3f) | 0x80;
+  const hex = Array.from(bytes, (byte) => byte.toString(16).padStart(2, '0'));
+  return [
+    hex.slice(0, 4).join(''),
+    hex.slice(4, 6).join(''),
+    hex.slice(6, 8).join(''),
+    hex.slice(8, 10).join(''),
+    hex.slice(10).join(''),
+  ].join('-');
+}