Reconcile prompt execution provenance

internal/app/prompt_profile_integration_test.go

@@ -41,12 +41,13 @@ func TestPromptInspectionResolvesEmbeddedAndOverriddenProfilesOffline(t *testing
 
 	override, err := promptkitadapter.New(promptkitadapter.Config{ProfileFile: writeProfileFile(t, `id: weather-light
 endpoint: https://local.example/v1
+backend: openrouter
 model: local-weather
 `)})
 	if err != nil {
 		t.Fatalf("New(override) error = %v", err)
 	}
-	inspect(t, override, report.Hourly, "", "weather-light", "", "local-weather")
+	inspect(t, override, report.Hourly, "", "weather-light", "openrouter", "local-weather")
 }
 
 func resolvedPromptProfile(t *testing.T, id report.ID) report.Resolved {