Update Dockerfile

Dockerfile

@@ -1,5 +1,6 @@
 FROM python:3.11-slim
 
+# Install system tools for research and web browsing
 RUN apt-get update && apt-get install -y \
     git curl nodejs npm ffmpeg libsm6 libxext6 r-base \
     && rm -rf /var/lib/apt/lists/*
@@ -7,10 +8,10 @@ RUN apt-get update && apt-get install -y \
 WORKDIR /app
 COPY . .
 
-# Install Python stack from requirements
+# Install Python dependencies
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Crucial for agents that need to "see" or "browse"
+# Install browsers for the researcher agent
 RUN playwright install-deps && playwright install chromium
 
 CMD ["python", "app.py"]