Resolve merge conflicts and integrate updated RAG pipeline

.gitattributes

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Dockerfile

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+# Use official Python image
+FROM python:3.10-slim
+
+# Set workdir
+WORKDIR /app
+
+ENV HF_HOME=/tmp/huggingface
+ENV TRANSFORMERS_CACHE=/tmp/huggingface
+ENV HF_DATASETS_CACHE=/tmp/huggingface
+ENV HF_METRICS_CACHE=/tmp/huggingface
+
+
+# Install system deps
+RUN apt-get update && apt-get install -y git && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements and install
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the app code
+COPY . .
+
+# Expose port
+# Expose port
+EXPOSE 7860
+
+# Start the app
+CMD ["uvicorn", "backend.main:app", "--host", "0.0.0.0", "--port", "7860"]
+

README.md

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+---
+title: NPChef
+emoji: 🌍
+colorFrom: red
+colorTo: red
+sdk: docker
+pinned: false
+license: mit
+short_description: AI assistant
+---
+
+Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference

backend/static/tem

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+a

backend/temp

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+a

frontend/static/tem

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+s

frontend/templates/tem

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+s

requirements.txt

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+fastapi>=0.110.0
+uvicorn[standard]>=0.29.0
+jinja2>=3.1.2
+python-dotenv>=1.0.1
+transformers>=4.40.0
+torch>=2.2.0
+langchain>=0.1.13
+langchain-community>=0.0.32
+sentence-transformers>=2.5.1
+PyPDF2>=3.0.1
+python-multipart>=0.0.5
+faiss-cpu