Create a Chatbot using LLM to chat with the help documents

✅ Understand the Scope
- Goal: User asks a question → Chatbot understands it → Fetches answer from the documentation pages
- Also: Suggest solutions, provides link to specific doc page, and even generate snippets if user query intends so.

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AC1:
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### ✅ Recommended Tech Stack:
Frontend (A Simple Chat UI preferably using a OpenSource lib)

Example:
Chatbot UI Template: [Chatbot UI by mckaywrigley](https://github.com/mckaywrigley/chatbot-ui) (great starting point)
_(Chose if there is anything simpler or more easier than this)_

### Backend / API:
Python (FastAPI or anything simpler)
or
Node js
_(depending on which you're more comfortable with)_

### Vector DB for document embeddings:
Use a OpenSource Vector DB.

Example:
Open source: Weaviate, Qdrant, ChromaDB
_(or any other one you are comfortable with)_

### LLM (Language Model)
OpenAI GPT-4 (with API KEY)
or
Anthropics : Claude 3 (Opus, Sonnet, Haiku)
_(or any other OpenSource LLM you are comfortable with)_

OR use open-source models like Mistral, LLaMA, Gemma with Ollama or Hugging Face Inference API for local hosting

## How It Works (Architecture)
Ingest Docs: Crawl or parse your documentation (Markdown, HTML, etc.)

Split & Embed: Chunk the content (e.g., 300–500 tokens) and embed using:

OpenAIEmbeddings (if using OpenAI)

HuggingFaceEmbeddings for local models

Store Embeddings in Vector DB

### Query Flow:

User asks a question

Embed the query

Perform similarity search in Vector DB

Retrieve relevant chunks

Send context + query to LLM

Return the answer

_(or any other simpler or better architecture you suggest)_

### 🧰 Tools & Libraries
LangChain : Orchestrates everything (embedding, retrieval, prompt templates)

Playwright or BeautifulSoup: For crawling doc website pages

Markdown Parser: For MD-based docs (like markdown-it, mistune, or markdown)

### ⚙️ Hosting
Frontend: Vercel / Netlify

Backend: Vercel (Next.js) or a AWS VPS or or any other choice

Vector DB: Qdrant (Docker/self-hosted) or any other choice

_(or any other free or economically viable hostings if you can suggest)_

AC2:
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Code repo for Chatbox:
https://github.com/authorjapps/zerocode-tdd-chat-box

Create or ask for more repos if necessary.