Clarify branch follower status timing contexts

scripts/native/cicd/read-state-summary.mjs

@@ -205,6 +205,7 @@ function compactCloseout(closeout) {
 function compactNativePayload(payload) {
   const value = recordOrNull(payload);
   if (value === null) return null;
+  const refreshEvidence = compactRefreshEvidence(recordOrNull(recordOrNull(value.nativeCapabilities)?.controlPlaneRefresh));
   return {
     gitMirror: compactGitMirror(value.gitMirror),
     reuseConfig: compactReuseConfig(value.reuseConfig),
@@ -214,7 +215,8 @@ function compactNativePayload(payload) {
     planArtifacts: compactPlanArtifacts(value.planArtifacts),
     argo: compactArgo(value.argo),
     runtime: compactRuntime(value.runtime),
-    refreshEvidence: compactRefreshEvidence(recordOrNull(recordOrNull(value.nativeCapabilities)?.controlPlaneRefresh)),
+    refreshEvidence,
+    refreshEvidenceReason: refreshEvidence === null ? "no stored control-plane-refresh capability evidence; status refresh job is reported separately at top-level refresh" : null,
     errors: arrayStrings(value.errors).slice(0, 5),
     statusAuthority: stringOrNull(value.statusAuthority),
     parsedDownstreamCliOutput: false,