Add multiple entries per day, user management, reminders, and AI reflections

- Multiple entries per day: Home page now starts fresh, Save & New button
- Admin user management: Add/delete users, reset passwords, toggle admin
- Daily reminders: Browser notifications at configurable time
- AI reflections: Generate insights from entries using Claude API
- Remove cloud sync placeholder (already have user accounts)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

next.config.ts

@@ -2,7 +2,6 @@ import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
   output: "standalone",
-  assetPrefix: "/quietthanks",
 };
 
 export default nextConfig;