2025-07-30 00:10:33 -04:00
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# ChatSBT - Multi-Model Chat Application
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A modern chat application supporting multiple AI models through OpenRouter API.
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## Features
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- Chat with multiple AI models (Qwen, Deepseek, Kimi)
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- Real-time streaming responses
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- Conversation history
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- Simple REST API backend
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- Modern Svelte frontend
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## Tech Stack
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### Frontend
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- Svelte
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- DaisyUI (Tailwind component library)
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- Vite
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### Backend
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- Starlette (async Python web framework)
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- LangChain (LLM orchestration)
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- LangGraph (for potential future agent workflows)
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- OpenRouter API (multi-model provider)
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## API Endpoints
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| Method | Path | Description |
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|--------|------|-------------|
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| POST | /chats | Create new chat session |
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| GET | /chats/{chat_id} | Get chat history |
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| POST | /chats/{chat_id}/messages | Post new message |
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| GET | /chats/{chat_id}/stream | Stream response from AI |
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## Prerequisites
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- Python 3.11+
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- Deno
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- UV (Python package manager)
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- OpenRouter API key (set in `.env` file)
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## Installation
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1. Clone the repository
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2. Set up environment variables:
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```bash
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echo "OPENROUTER_API_KEY=your_key_here" > .env
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echo "OPENROUTER_BASE_URL=https://openrouter.ai/api/v1" >> .env
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```
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4. Install frontend dependencies:
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```bash
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cd chatsbt
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deno install
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```
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## Running
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1. Start backend server:
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```bash
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uv run app.py
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```
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2. Start the frontend (another terminal):
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```bash
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cd chatsbt
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deno run dev
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```
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The application will be available at `http://localhost:5173`
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## Configuration
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Available models:
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- `qwen/qwen3-235b-a22b-2507`
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- `deepseek/deepseek-r1-0528`
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- `moonshotai/kimi-k2`
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