- Add multi-stage Dockerfile (Flutter build → nginx:alpine)
- Add nginx.conf with SPA routing, gzip, and caching
- Add Gitea workflow for release-triggered builds
- Document release procedure in AGENTS.md
Deploys to port 8092, auto-updates via Watchtower.
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
