Fix immediate achievement celebration and reliable notification delivery

src/components/Dashboard.tsx

@@ -174,6 +174,9 @@ export function Dashboard({ user }: DashboardProps) {
     const usage = await fetchUsageData();
     setUsageData(usage);
     setRefreshKey(prev => prev + 1);
+
+    // Check for new achievements immediately
+    await checkAndUnlockAchievements(usage, updatedPrefs, achievements);
   };
 
   const handleGeneratePlan = async () => {

src/hooks/useNotifications.ts

@@ -72,13 +72,12 @@ export function useNotifications(reminderSettings: ReminderSettings) {
     const reminderTime = new Date();
     reminderTime.setHours(hours, minutes, 0, 0);
 
-    // Check if it's time for the reminder (within 1 minute window)
-    const timeDiff = Math.abs(now.getTime() - reminderTime.getTime());
-    if (timeDiff <= 60000) {
+    // If current time is past the reminder time, send it
+    if (now >= reminderTime) {
       sendNotification('QuitTraq Reminder', {
         body: "Time to log your daily usage! Every day counts on your journey.",
-        tag: 'daily-reminder',
-        requireInteraction: false,
+        tag: 'daily-reminder', // Tag ensures we don't stack multiple notifications
+        requireInteraction: true, // Keep it visible until user interacts
       });
       localStorage.setItem(LAST_NOTIFICATION_KEY, today);
     }