fix: pin cmdop<=2026.3.20 to match openclaw 2026.3.20

Dockerfile

@@ -6,7 +6,11 @@ RUN apt-get update && apt-get install -y \
 
 RUN curl -fsSL https://ollama.com/install.sh | sh
 
-RUN pip install --no-cache-dir tenacity openclaw huggingface_hub
+RUN pip install --no-cache-dir \
+    "cmdop<=2026.3.20" \
+    tenacity \
+    "openclaw==2026.3.20" \
+    huggingface_hub
 
 RUN printf 'server {\n    listen 7860;\n    location / {\n        proxy_pass http://127.0.0.1:8080;\n        proxy_http_version 1.1;\n        proxy_set_header Upgrade $http_upgrade;\n        proxy_set_header Connection "upgrade";\n        proxy_set_header Host $host;\n    }\n}\n' > /etc/nginx/sites-available/default