🎉 init

app/utils/identity.ts

@@ -0,0 +1,26 @@
+const STORAGE_KEY = 'stb:identity'
+
+export interface Identity {
+  name: string
+}
+
+type StorageLike = Pick<Storage, 'getItem' | 'setItem'>
+
+export function readIdentity(storage: StorageLike): Identity | null {
+  const raw = storage.getItem(STORAGE_KEY)
+  if (!raw) return null
+
+  try {
+    const parsed = JSON.parse(raw)
+    if (typeof parsed?.name !== 'string' || !parsed.name.trim()) return null
+
+    return { name: parsed.name }
+  }
+  catch {
+    return null
+  }
+}
+
+export function writeIdentity(storage: StorageLike, identity: Identity): void {
+  storage.setItem(STORAGE_KEY, JSON.stringify(identity))
+}