Refactor code structure for improved readability and maintainability

poc/Dockerfile.nanobot

@@ -0,0 +1,71 @@
+# POC Dockerfile for nanobot security testing
+FROM python:3.11-slim
+
+# Build argument for litellm version (allows testing vulnerable versions)
+ARG LITELLM_VERSION=">=1.61.15"
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    git \
+    curl \
+    procps \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create non-root user for permission boundary testing
+RUN useradd -m -s /bin/bash nanobot && \
+    mkdir -p /app /results && \
+    chown -R nanobot:nanobot /app /results
+
+# Create sensitive test files for path traversal demonstration
+RUN mkdir -p /sensitive && \
+    echo "SECRET_API_KEY=sk-supersecret12345" > /sensitive/api_keys.txt && \
+    echo "DATABASE_PASSWORD=admin123" >> /sensitive/api_keys.txt && \
+    chmod 644 /sensitive/api_keys.txt
+
+# Create additional sensitive locations
+RUN echo "poc-test-user:x:1001:1001:POC Test:/home/poc:/bin/bash" >> /etc/passwd.poc && \
+    cp /etc/passwd /etc/passwd.backup
+
+WORKDIR /app
+
+# Copy project files
+COPY pyproject.toml ./
+COPY nanobot/ ./nanobot/
+COPY bridge/ ./bridge/
+
+# Upgrade pip and install build tools
+RUN pip install --no-cache-dir --upgrade pip setuptools wheel
+
+# Install dependencies from pyproject.toml requirements
+RUN pip install --no-cache-dir \
+    "typer>=0.9.0" \
+    "litellm${LITELLM_VERSION}" \
+    "pydantic>=2.0.0" \
+    "pydantic-settings>=2.0.0" \
+    "websockets>=12.0" \
+    "websocket-client>=1.6.0" \
+    "httpx>=0.25.0" \
+    "loguru>=0.7.0" \
+    "readability-lxml>=0.8.0" \
+    "rich>=13.0.0" \
+    "croniter>=2.0.0" \
+    "python-telegram-bot>=21.0" \
+    "trafilatura>=0.8.0"
+
+# Install nanobot package
+RUN pip install --no-cache-dir -e .
+
+# Copy POC files
+COPY poc/ ./poc/
+
+# Install POC dependencies
+RUN pip install --no-cache-dir pytest pytest-asyncio
+
+# Create results directory with proper permissions
+RUN mkdir -p /results && chown -R nanobot:nanobot /results
+
+# Switch to non-root user (but can be overridden for root testing)
+USER nanobot
+
+# Default command
+CMD ["python", "-m", "nanobot", "--help"]