fix: restore CLAUDE_CODE_MAX_OUTPUT_TOKENS env var support

Re-add the env var that was removed during SDK upgrade. Needed for
controlling output token limits in SDK subprocesses.

docker-compose.yml

@@ -24,6 +24,7 @@ services:
       - ANTHROPIC_AUTH_TOKEN=${ANTHROPIC_AUTH_TOKEN:-}  # Auth token for router
       - ROUTER_DEFAULT=${ROUTER_DEFAULT:-}  # Model name when using router (e.g., "gemini,gemini-2.5-pro")
       - CLAUDE_CODE_OAUTH_TOKEN=${CLAUDE_CODE_OAUTH_TOKEN:-}
+      - CLAUDE_CODE_MAX_OUTPUT_TOKENS=${CLAUDE_CODE_MAX_OUTPUT_TOKENS:-64000}
     depends_on:
       temporal:
         condition: service_healthy