nginx-waste.conf: serve web/dist/ at root, proxy /ws to anchor (port
8080), SPA fallback for clean invite URLs, immutable cache for assets.
deploy-web.sh: build + rsync to anchor host, skip config.js so the
host's runtime config is not clobbered.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
