Improve AI logic

services/training/Dockerfile

@@ -9,10 +9,13 @@ FROM python:3.11-slim
 
 WORKDIR /app
 
-# Install system dependencies
+# Install system dependencies including cmdstan requirements
 RUN apt-get update && apt-get install -y \
     gcc \
+    g++ \
+    make \
     curl \
+    build-essential \
     && rm -rf /var/lib/apt/lists/*
 
 # Copy requirements
@@ -36,6 +39,13 @@ COPY services/training/ .
 # Add shared libraries to Python path
 ENV PYTHONPATH="/app:/app/shared:${PYTHONPATH:-}"
 
+# Set TMPDIR for cmdstan (directory will be created at runtime)
+ENV TMPDIR=/tmp/cmdstan
+
+# Install cmdstan for Prophet (required for model optimization)
+# Suppress verbose output to reduce log noise
+RUN python -m pip install --no-cache-dir cmdstanpy && \
+    python -m cmdstanpy.install_cmdstan
 
 # Expose port
 EXPOSE 8000