feat: package distribution with PyPI support, embedded UI, Dockerfile, and CLI enhancements

Dockerfile

@@ -0,0 +1,33 @@
+# Stage 1: Build React Frontend UI
+FROM node:20-alpine AS frontend-builder
+WORKDIR /app/frontend
+
+COPY frontend/package*.json ./
+RUN npm ci
+
+COPY frontend/ ./
+RUN npm run build
+
+# Stage 2: Python Backend Runtime
+FROM python:3.11-slim
+WORKDIR /app
+
+# Set environment variables
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+ENV PORT=8000
+ENV HOST=0.0.0.0
+
+# Install Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy backend application code
+COPY backend/ ./backend/
+
+# Copy compiled static frontend into backend/app/static
+COPY --from=frontend-builder /app/frontend/dist ./backend/app/static
+
+EXPOSE 8000
+
+CMD ["python", "backend/main.py"]