Merge rows 80+73+71: nullable LocalDb health fields on unreplicated sites (Host supplies ReplicationIsConfigured), StartupReconcilerActive on the health report (proto field 29) with central No-self-heal badge, standby active-node ERR downgraded via narrowly-keyed Serilog filter

# Conflicts:
#	CLAUDE.md

src/ZB.MOM.WW.ScadaBridge.CentralUI/Components/Pages/Monitoring/Health.razor

@@ -267,6 +267,14 @@
                                     Replication backlog
                                 </span>
                             }
+                            @if (IsStartupReconcilerMissing(state))
+                            {
+                                <span class="badge bg-warning text-dark"
+                                      data-test="startup-reconciler-badge"
+                                      title="This site reported that a node booted without its SiteReconciliationActor (no IDeploymentConfigFetcher), so the startup self-heal is disabled: a deploy that lands while the node is DOWN will not be recovered on restart. Config still reaches the node via LocalDb replication while it is up. Check the node's configuration.">
+                                    No self-heal
+                                </span>
+                            }
                             @if (!state.IsOnline && state.LastStatusChangeAt is { } changedAt)
                             {
                                 <small class="text-muted">offline since @changedAt.ToString("u")</small>
@@ -566,6 +574,22 @@
         && state.LocalDbBacklogAboveSince is { } since
         && DateTimeOffset.UtcNow - since >= HealthOptions.Value.LocalDbBacklogSustainedFor;
 
+    // Register row 73: the "No self-heal" badge.
+    //
+    // Warning-level treatment, deliberately not an error and never an offline-style state:
+    // the node still receives config through LocalDb replication while it is up, so what it
+    // has lost is recovery from a deploy that landed while it was DOWN. That is degraded,
+    // not down — which is exactly what a warning badge says.
+    //
+    // Tri-state, and only the explicit false is badged. Null means "not reported": the
+    // central self-report row (where a site reconciler is meaningless) and any site node on
+    // a pre-row-73 build both send null, and badging those would fire on every site the
+    // moment central is upgraded ahead of the sites. Offline sites are skipped for the same
+    // reason the backlog badge skips them — the Offline badge is the signal that matters.
+    private bool IsStartupReconcilerMissing(SiteHealthState state) =>
+        state.IsOnline
+        && state.LatestReport?.StartupReconcilerActive == false;
+
     // Online central nodes, from the same ClusterNodes list the Nodes column renders.
     // Fewer than two means no standby, which disables the manual-failover control. This is
     // a display-side guard only — AkkaManualFailoverService re-checks against live cluster