deploy phi to fly.io, rewrite soul document
- add Dockerfile, fly.toml, .dockerignore for Fly.io deployment
- add CI workflow to deploy on push to main
- add deploy recipe to justfile
- rewrite personality doc: replace prescriptive rules with
dispositional identity, add memory philosophy, add interests
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>