Add vault-utils.js with utility functions for field type parsing, selection counting, cipher type mapping, URI handling, and extracting first cipher URI

public/web/vault-utils.js

@@ -0,0 +1,44 @@
+export function parseFieldType(v) {
+  if (v === null || v === undefined) return 0;
+  if (typeof v === 'number' && isFinite(v)) return v === 1 || v === 2 || v === 3 ? v : 0;
+  var s = String(v).trim().toLowerCase();
+  if (s === '1' || s === 'hidden') return 1;
+  if (s === '2' || s === 'boolean' || s === 'checkbox') return 2;
+  if (s === '3' || s === 'linked' || s === 'link') return 3;
+  return 0;
+}
+
+export function selectedCount(selectedMap) {
+  var n = 0;
+  for (var k in selectedMap) if (selectedMap[k]) n++;
+  return n;
+}
+
+export function cipherTypeKey(c) {
+  var tnum = Number(c && c.type || 1);
+  if (tnum === 1) return 'login';
+  if (tnum === 3) return 'card';
+  if (tnum === 4) return 'identity';
+  if (tnum === 2) return 'note';
+  return 'other';
+}
+
+export function hostFromUri(uri) {
+  if (!uri) return '';
+  try {
+    var normalized = /^https?:\/\//i.test(uri) ? uri : ('https://' + uri);
+    return new URL(normalized).hostname || '';
+  } catch (_) {
+    return '';
+  }
+}
+
+export function firstCipherUri(c) {
+  var uris = c && c.login && Array.isArray(c.login.uris) ? c.login.uris : [];
+  for (var i = 0; i < uris.length; i++) {
+    var u = uris[i] && (uris[i].decUri || uris[i].uri);
+    if (u) return u;
+  }
+  return '';
+}
+