fix: auth race condition on refresh, section edit dialog, time slot duplicate, autocomplete disable

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/app/src/stores/useNotificationStore.ts

@@ -0,0 +1,24 @@
+import { defineStore } from 'pinia'
+import { ref } from 'vue'
+
+export type NotificationType = 'success' | 'error' | 'warning' | 'info'
+
+export const useNotificationStore = defineStore('notification', () => {
+  const visible = ref(false)
+  const message = ref('')
+  const type = ref<NotificationType>('info')
+  const timeout = ref(5000)
+
+  function show(msg: string, color: NotificationType = 'error', duration = 5000) {
+    message.value = msg
+    type.value = color
+    timeout.value = duration
+    visible.value = true
+  }
+
+  function hide() {
+    visible.value = false
+  }
+
+  return { visible, message, type, timeout, show, hide }
+})