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README.md

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-title: Pro Demo
-emoji: 💬
-colorFrom: yellow
-colorTo: purple
-sdk: gradio
-sdk_version: 5.31.0
-app_file: app.py
-pinned: false
+# 🚀 AI Research Hub - Complete HuggingFace Demo
+
+A comprehensive demonstration of HuggingFace's Inference API capabilities, optimized for Hugging Face Spaces.
+
+## ✨ Features
+
+### 📝 Text Processing
+- **💬 Chat** - Conversational AI with advanced language models
+- **🎭 Fill Mask** - Text completion and prediction
+- **❓ Question Answering** - Extract answers from context
+- **📝 Summarization** - Automatic text summarization
+
+### 🏷️ Classification & Analysis
+- **🏷️ Sentiment Analysis** - Emotion and sentiment detection
+- **🎯 Zero-Shot Classification** - Classify with custom labels
+- **🏷️ Named Entity Recognition** - Extract people, places, organizations
+- **🧮 Text Similarity** - Compare semantic similarity between texts
+
+### 🎨 Multimodal Capabilities
+- **🌐 Translation** - English to French translation
+- **🖼️ Image Classification** - Identify objects and scenes in images
+- **🎨 Text-to-Image** - Generate images from text descriptions
+
+## 🔧 Setup Instructions
+
+### For Hugging Face Spaces:
+
+1. **Fork/Duplicate this Space**
+2. **Set up your HuggingFace Token:**
+   - Go to **Settings** → **Repository secrets**
+   - Add a new secret: `HF_TOKEN`
+   - Value: Your HuggingFace token from [here](https://huggingface.co/settings/tokens)
+
+3. **That's it!** The Space will automatically restart and all features will be available.
+
+### For Local Development:
+
+```bash
+# Clone the repository
+git clone <your-repo-url>
+cd <repo-name>
+
+# Install dependencies
+pip install -r requirements.txt
+
+# Set environment variable
+export HF_TOKEN="your_token_here"
+
+# Run the application
+python app.py
+```
+
+## 🎯 Key Improvements
+
+### ✅ Fixed Issues
+- **Question Answering**: Proper input format for API calls
+- **Text Classification**: Working models with proper error handling
+- **Zero-Shot Classification**: Correct API method usage
+- **Named Entity Recognition**: Fixed entity extraction and labeling
+- **Image Classification**: Better error handling for uploads
+
+### 🚀 Enhanced Features
+- **Spaces Optimization**: Memory and performance optimized for HF Spaces
+- **Robust Error Handling**: Clear error messages and fallback strategies
+- **Modern UI**: Clean, responsive interface with organized tabs
+- **Token Management**: Multiple token source detection for Spaces
+- **Text Similarity**: Semantic comparison with cosine similarity scores
+
+## 📊 Models Used
+
+| Task | Model | Description |
+|------|-------|-------------|
+| Chat | `microsoft/DialoGPT-medium` | Conversational AI |
+| Fill Mask | `distilbert-base-uncased` | Lightweight BERT model |
+| Q&A | `distilbert-base-cased-distilled-squad` | SQuAD-trained model |
+| Summarization | `facebook/bart-large-cnn` | CNN-trained BART |
+| Sentiment | `cardiffnlp/twitter-roberta-base-sentiment-latest` | Twitter sentiment |
+| Zero-Shot | `facebook/bart-large-mnli` | MNLI-trained BART |
+| NER | `dslim/bert-base-NER` | CoNLL-trained BERT |
+| Translation | `Helsinki-NLP/opus-mt-en-fr` | English-French translator |
+| Embeddings | `sentence-transformers/all-MiniLM-L6-v2` | Sentence embeddings |
+| Image Classification | `google/vit-base-patch16-224` | Vision Transformer |
+| Text-to-Image | `runwayml/stable-diffusion-v1-5` | Stable Diffusion |
+
+## 🔒 Privacy & Security
+
+- **No Data Storage**: All processing happens in real-time, no data is stored
+- **Secure Token Handling**: Tokens are handled securely through Spaces secrets
+- **API Rate Limiting**: Built-in handling for API rate limits and quotas
+
+## 🚨 Troubleshooting
+
+### Common Issues:
+
+1. **"API client not available"**
+   - Solution: Set `HF_TOKEN` in Spaces settings
+
+2. **"Rate limit reached"**
+   - Solution: Wait a moment and try again
+
+3. **"Model loading"**
+   - Solution: Some models need time to load, retry after a few seconds
+
+4. **"Service unavailable"**
+   - Solution: Temporary HuggingFace service issue, try again later
+
+## 🛠️ Technical Details
+
+### Architecture
+- **Frontend**: Gradio with custom CSS
+- **Backend**: HuggingFace Inference API
+- **Deployment**: Optimized for HF Spaces environment
+- **Error Handling**: Comprehensive error catching and user feedback
+
+### Performance Optimizations
+- **Memory Efficient**: Minimal memory footprint for Spaces
+- **Fast Models**: Selected for quick response times
+- **Graceful Degradation**: Features degrade gracefully if dependencies missing
+- **Connection Pooling**: Efficient API client management
+
+## 📈 Future Enhancements
+
+- **Advanced Visualization**: Interactive embedding plots
+- **Batch Processing**: Multiple text processing
+- **Custom Model Support**: User-specified models
+- **Audio Processing**: Speech-to-text capabilities
+- **Real-time Streaming**: Live text generation
+
+## 🤝 Contributing
+
+1. Fork the repository
+2. Create a feature branch
+3. Make your changes
+4. Test thoroughly
+5. Submit a pull request
+
+## 📄 License
+
+This project is open source and available under the MIT License.
+
+## 🙏 Acknowledgments
+
+- **HuggingFace** for the amazing Inference API and Spaces platform
+- **Gradio** for the intuitive interface framework
+- **Open Source Community** for the incredible model ecosystem
+
 ---
 
-An example chatbot using [Gradio](https://gradio.app), [`huggingface_hub`](https://huggingface.co/docs/huggingface_hub/v0.22.2/en/index), and the [Hugging Face Inference API](https://huggingface.co/docs/api-inference/index).
+**Built with ❤️ for the AI research community**