Update Dockerfile

Dockerfile

@@ -14,6 +14,8 @@ RUN apt-get update && apt-get install -y \
 # --- Install Gemini CLI (as root) ---
 RUN npm install -g @google/gemini-cli
 
+RUN npm install -g @anthropic-ai/claude-code
+
 RUN npm install -g @musistudio/claude-code-router
 
 # --- Install code-server (as root) ---