A full-stack chat application with Google authentication, conversation storage, and group chat functionality.

• Google OAuth Login - Secure authentication via LastLogin
• Chat with ChatGPT - GPT-4o-mini integration for AI responses
• Personal Conversations - Private chats with conversation history
• Group Chats - Invite others to collaborate in conversations with AI
• Real-time Updates - See messages from other participants instantly
• Conversation Management - Create, view, and delete conversations
• Admin Controls - Invite users and manage participants

• Invite by Email - Admins can invite users via email
• Role-based Access - Admin vs Participant permissions
• Real-time Collaboration - All participants see messages instantly
• Full Message History - New participants see all previous messages
• Participant Management - View and remove participants

1. Create/Open any conversation
2. Invite People - Click "Invite" button (admins only)
3. Email Invitations - Recipients get email with join link
4. Join Conversation - Click link, login, accept invitation
5. Collaborate - All participants chat together with AI

• backend/ - Hono API server with authentication and group chat
• frontend/ - React chat interface with group features
• shared/ - Shared TypeScript types

• Backend: Hono, LastLogin auth, SQLite, OpenAI, Server-Sent Events
• Frontend: React, TailwindCSS, Real-time SSE connections
• Database: SQLite with participant and invitation tables

The app is automatically deployed on Val Town. Visit the HTTP endpoint to start chatting!

1. Start chatting - Create conversations normally
2. Invite others - Use the "Invite" button in any conversation
3. Real-time collaboration - Everyone sees messages instantly
4. Manage participants - Admins can view and remove participants