Remove obsolete prompt version reports

integrations/ckprompt/smoke_report_test.go

@@ -16,7 +16,6 @@ func TestSmokeReportYAMLProjectsNativeFieldsAndPresence(t *testing.T) {
 	textReturned := false
 	zero := time.Duration(0)
 	retryDelay := 1500 * time.Millisecond
-	version := ""
 	httpStatus := 201
 	started := time.Date(2026, time.October, 17, 12, 30, 0, 0, time.UTC)
 	report := &promptkit.SmokeTestReport{
@@ -29,7 +28,6 @@ func TestSmokeReportYAMLProjectsNativeFieldsAndPresence(t *testing.T) {
 			BackendID:              "local",
 			ProfileID:              "default",
 			PromptID:               "team/briefing",
-			PromptVersion:          &version,
 			DefaultSourceBackendID: "fallback",
 			SelectionSource:        "prompt",
 			Endpoint:               "https://example.invalid/v1",
@@ -98,9 +96,12 @@ func TestSmokeReportYAMLProjectsNativeFieldsAndPresence(t *testing.T) {
 		t.Fatalf("report scalar values = %#v", document)
 	}
 	target := document["target"].(map[string]any)
-	if target["prompt_id"] != "team/briefing" || target["version"] != "" || target["selection_source"] != "prompt" {
+	if target["prompt_id"] != "team/briefing" || target["selection_source"] != "prompt" {
 		t.Fatalf("target values = %#v", target)
 	}
+	if _, exists := target["version"]; exists {
+		t.Fatalf("target version emitted: %#v", target)
+	}
 	settings := target["effective_settings"].(map[string]any)
 	if settings["model"] != "example-model" || settings["temperature"] != 0 || settings["api_key_env"] != "PROMPTKIT_KEY" {
 		t.Fatalf("effective settings = %#v", settings)