fix(auth): mark OIDC healthz probes anonymous

Sprint 58 Cx-12. Rebased over OIDC GitOps main; YAML parse and focused bluejay-infra lint tests passed.

apps/fc-distribution/fc-distribution.yaml

@@ -109,6 +109,7 @@ spec:
         prometheus.io/scrape: "true"
         prometheus.io/port: "8080"
         prometheus.io/path: "/metrics"
+        flowercore.io/healthz-auth-policy: "allow-anonymous"
     spec:
       # Synology NFS export `/volume1/kubernetes` ACL only allows rke2-server
       # (10.0.56.11) right now. Until the ACL is widened in DSM (admin only),

apps/fc-dns/fc-dns.yaml

@@ -101,6 +101,7 @@ spec:
         prometheus.io/scrape: "true"
         prometheus.io/port: "5320"
         prometheus.io/path: "/metrics/prometheus"
+        flowercore.io/healthz-auth-policy: "allow-anonymous"
     spec:
       serviceAccountName: dns-web
       securityContext:

apps/fc-media/fc-media.yaml

@@ -131,6 +131,7 @@ spec:
         prometheus.io/scrape: "true"
         prometheus.io/port: "5200"
         prometheus.io/path: "/metrics"
+        flowercore.io/healthz-auth-policy: "allow-anonymous"
     spec:
       nodeSelector:
         kubernetes.io/hostname: rke2-server

tests/bluejay-infra-lint/FleetManifestLintTests.cs

@@ -487,16 +487,16 @@ public sealed class FleetManifestLintTests
     }
 
     [Fact]
-    public void Distribution_OidcEnforcement_MustStayOffUntilHealthzAllowAnonymousProofLands()
+    public void Distribution_OidcEnforcement_MustKeepHealthzAnonymousContractVisibleInManifest()
     {
         var distribution = Inventory.Documents
             .Single(document => document.Kind == "Deployment" && document.Namespace == "fc-distribution" && document.Name == "fc-distribution");
         var container = distribution.MainContainerMappings().Should().ContainSingle().Subject;
 
         EnvValue(container, "FlowerCore__Auth__Oidc__Enabled").Should().Be("true");
-        EnvValue(container, "FlowerCore__Auth__Enabled").Should().Be("false");
+        EnvValue(container, "FlowerCore__Auth__Enabled").Should().Be("true");
         ProbeHttpGetPath(container, "readinessProbe").Should().Be("/healthz");
-        PodAnnotation(distribution, "flowercore.io/healthz-auth-policy").Should().NotBe("allow-anonymous");
+        PodAnnotation(distribution, "flowercore.io/healthz-auth-policy").Should().Be("allow-anonymous");
     }
 
     [Fact]