fix: restore complete admin feature dependencies

src/lib/translations-utils.ts

@@ -0,0 +1,34 @@
+// Shared helpers used by every translations editor (CMS messages, Nitro JSON5
+// configs, JSON badge files). Editors operate on a flat `key -> string` map
+// for ease of search/filter/render; the on-disk format is the nested object
+// produced by `unflattenObject`.
+
+export function flattenObject(obj: Record<string, unknown>, prefix = ''): Record<string, string> {
+  const result: Record<string, string> = {}
+  for (const [key, value] of Object.entries(obj)) {
+    const fullKey = prefix ? `${prefix}.${key}` : key
+    if (typeof value === 'object' && value !== null && !Array.isArray(value)) {
+      Object.assign(result, flattenObject(value as Record<string, unknown>, fullKey))
+    } else {
+      result[fullKey] = String(value ?? '')
+    }
+  }
+  return result
+}
+
+export function unflattenObject(flat: Record<string, string>): Record<string, unknown> {
+  const result: Record<string, unknown> = {}
+  for (const [key, value] of Object.entries(flat)) {
+    const parts = key.split('.')
+    let current: Record<string, unknown> = result
+    for (let i = 0; i < parts.length - 1; i++) {
+      if (!current[parts[i]] || typeof current[parts[i]] !== 'object') {
+        current[parts[i]] = {}
+      }
+      current = current[parts[i]] as Record<string, unknown>
+    }
+    current[parts[parts.length - 1]] = value
+  }
+  return result
+}
+