Studio client (VITE_*)

apps/studio-web Vite environment variables (build/dev time only):

Variable	Default	Meaning
`VITE_API_BASE`	`""` (same origin)	Control plane root
`VITE_RUNTIME_BASE`	`http://127.0.0.1:8081`	Unbound default runtime HTTP
`VITE_COMMAND_TOKEN`	—	Runtime token for Operate / inject / alarm comment
`VITE_OTEL_ENDPOINT`	—	Browser OTLP tracing (optional)

Dev proxy (vite.config.ts): /api, /health, /ready → 127.0.0.1:8080.

Session token sessionStorage key vion.token. Theme vion-studio-theme, locale vion.locale, selected surface vion.surface.

Studio client (VITE_*) ​