Fix Composio cache directory permissions

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.10-slim       
+FROM python:3.10-slim
 
 WORKDIR /app
 
@@ -9,4 +9,8 @@ COPY app/ ./app/
 
 ENV PYTHONPATH=/app
 
+# Create writable cache directory for Composio
+RUN mkdir -p /app/.composio && chmod 777 /app/.composio
+ENV COMPOSIO_CACHE_DIR=/app/.composio
+
 CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]