🎉 init

app/composables/useIdentity.ts

@@ -0,0 +1,21 @@
+import { readIdentity, writeIdentity } from '../utils/identity'
+
+export function useIdentity() {
+  const name = useState<string | null>('identity-name', () => null)
+  const loaded = useState('identity-loaded', () => false)
+
+  if (import.meta.client && !loaded.value) {
+    const identity = readIdentity(window.localStorage)
+    name.value = identity?.name ?? null
+    loaded.value = true
+  }
+
+  function setName(newName: string) {
+    const trimmed = newName.trim()
+    if (!trimmed) return
+    name.value = trimmed
+    if (import.meta.client) writeIdentity(window.localStorage, { name: trimmed })
+  }
+
+  return { name, setName }
+}