chore(sandcastle): install codex CLI in docker image

diff --git a/.sandcastle/Dockerfile b/.sandcastle/Dockerfile
index 06135d0f1bbaaf2bba7b675b086d7d5e6461284d..8f44181e1571b5b11db93912d1ff59c82b0a9cb0 100644 (file)
--- a/.sandcastle/Dockerfile
+++ b/.sandcastle/Dockerfile
@@ -31,6 +31,7 @@ RUN install -m 0755 -d /etc/apt/keyrings \
 RUN npm install -g \
     @anthropic-ai/claude-code \
     @earendil-works/pi-coding-agent \
+    @openai/codex \
     opencode-ai
 
 # Rename the base image's "node" user to "agent" and align UID/GID.