- Backend serve web dist (WEB_DIST_DIR + SPA fallback, /api 404 JSON) - flake.nix: single flowsight derivation (go 1.25 + pnpm build) - deploy/flowsight.service: systemd on :4022 via bws-exec - .github/workflows/ci.yml: go test + tsc gate, nix build, attic, SSH deploy