- Update zod from ^3.23.0 to ^4.0.0 (claude-agent-sdk peer dep conflict)
- Mount iii-config.yaml in docker-compose.yml (missing /app/config.yaml)
- Change host binding from 127.0.0.1 to 0.0.0.0 for Docker compatibility
- Switch npm start from index.mjs to cli.mjs (auto-starts iii-engine)
- Fix CLI health check to detect engine via any HTTP response, not just worker route
- Handle EADDRINUSE on viewer port gracefully instead of crashing
- Fix README step numbering and version in health example