Initial commit: PymesBot Demo with IA integration

- FastAPI backend with WebSocket chat
- SQLite database for products
- Z.AI (GLM-4.7) integration for AI responses
- Docker deployment ready
- Caddy proxy configuration

pymesbot/backend/Dockerfile

@@ -0,0 +1,18 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+RUN mkdir -p /app/data /app/templates
+
+EXPOSE 8000
+
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "1"]