Add enable_proxy boolean to stages (default true). When disabled,
the deployer skips NPM proxy host creation — useful for internal
services, workers, or externally-routed containers. UI shows
toggle in Add Stage form and "No Proxy" badge on stage header.
- Bump Docker SDK, downgrade otel deps for Go 1.24 compatibility
- Fix duplicate i18n import in InstanceCard
- Fix SvelteKit prerender/strict config for SPA build
- Update Dockerfile with GOTOOLCHAIN=auto
- Generate package-lock.json and go.sum
WIP: still resolving Go 1.24 vs otel transitive dep versions