Pick the build installed on the device and the environment to connect it to, then tap the generated link. Force-quit the app first — a link only takes effect when it launches the app.
Scheme is per build variant (spire-feat://, spire-stage://),
host is always connect, and the server query param selects the environment.
A build can only reach environments belonging to its own variant.
Source: Client/DeepLinkConfiguration/supportedEnvLinks.json and Client/Assets/Scripts/Util/BuildUtils/EnvironmentRegistry.cs.