frontend: polish app launch and release experience

neode-ui/src/views/cloudPath.ts

@@ -0,0 +1,13 @@
+export function normalizeCloudPath(path: unknown, fallback = '/'): string {
+  if (typeof path !== 'string' || !path.trim()) return fallback
+  const trimmed = path.trim()
+  const withSlash = trimmed.startsWith('/') ? trimmed : `/${trimmed}`
+  return withSlash.replace(/\/+/g, '/')
+}
+
+export function parentCloudPath(path: string): string {
+  const normalized = normalizeCloudPath(path)
+  if (normalized === '/') return '/'
+  const parent = normalized.slice(0, normalized.lastIndexOf('/')) || '/'
+  return parent
+}