Report actual inference smoke test destinations

smoke_diagnostics.go

@@ -128,7 +128,10 @@ type SmokeTestTarget struct {
 	// prompt, or backend).
 	SelectionSource string
 	// Endpoint is the initially resolved diagnostic destination. It excludes URL
-	// user information; other endpoint components and effective settings may be
+	// user information. For built-in inference it is the prepared completion URL,
+	// not the configured base. It is empty when the HTTP destination is unknown,
+	// including injected inference. The configured base remains available in
+	// EffectiveSettings. Other endpoint components and effective settings may be
 	// sensitive operator data.
 	Endpoint string
 	// EffectiveSettings is the selected target's resolved runtime configuration.
@@ -185,7 +188,8 @@ type SmokeTestAttempt struct {
 	// Dispatched distinguishes an actual attempt from an interrupted capacity
 	// acquisition.
 	Dispatched bool
-	// InitialEndpoint is the destination before redirects.
+	// InitialEndpoint is the resolved request destination before redirects;
+	// it is empty for injected inference whose HTTP destination is unknown.
 	InitialEndpoint string
 	// Endpoint is the last observed request destination for this attempt.
 	Endpoint string