🚧 Persona3D – Progress Report (Level 1)

This document captures development progress for Persona3D, an experimental 3D avatar + AI conversational system.

🎯 Tech Stack

Frontend: Vue 3 • Vite • Vue Router • Three.js
Backend: Node.js • Express
AI Pipeline: (Planned) LLM, STT, TTS, Emotion Recognition

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✅ Current Level: Level 1 – Text Chat + 3D Placeholder

We have completed Level 0 and Level 1 (Part 1 + 2). The system now features:

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✔️ Level 0 – Project Skeleton

🧱 Infrastructure Setup

• GitHub repository initialized (Persona3d)
• Frontend scaffolded using Vite + Vue 3
• Backend scaffolded using Express
• End-to-end local development environment working

🎨 Frontend Level 0 Features

• Vue Router with /login → /app routes
• Fake authentication stored in localStorage
• Route protection via global beforeEach guard
• Clean, dark UI theme
• Backend health check displayed in /app

🔧 Backend Level 0 Features

• Express server configured with:
  • /health route (uptime/status)
  • CORS enabled
  • JSON parsing middleware
• Nodemon auto-restart development environment
• Clean folder structure prepared for future expansion

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✔️ Level 1 (Part 1) – Chat UI + Backend Integration

💬 Frontend Chat Panel

• ChatMessages.vue for message bubble history
• ChatInput.vue for text input + submit button
• Responsive two-column layout:
  • Left: 3D avatar space
  • Right: Chat UI
• Working message history with:
  • User messages
  • Assistant messages

🔌 Backend Chat Endpoint

• /chat implemented
• Receives message history from frontend
• Returns dummy assistant reply with echo logic:

{ "reply": "You said: \"hello\". (Dummy backend reply for now)" }

// How to use: Run both frontend and backend folders with npm run dev, do backend first since they need fetching the data