feat(infra): prestage broader app exposure hardening

apps/fc-segmentdisplay/fc-segmentdisplay.yaml

@@ -37,3 +37,26 @@ spec:
           port: 80
   tls:
     secretName: segmentdisplay-web-tls
+# ---- PUBLIC HOST PRE-STAGING (DISABLED - Sprint 61+ exposure go-decision only) ----
+# When the operator decides to expose segmentdisplay-web publicly, uncomment + update the host,
+# then verify the five safe-to-expose gates (authentik-safe-to-expose-readiness-2026-06-07.md section 2).
+#
+# --- IngressRoute ---
+# apiVersion: traefik.io/v1alpha1
+# kind: IngressRoute
+# metadata:
+#   name: segmentdisplay-web-public
+#   namespace: fc-segmentdisplay
+# spec:
+#   entryPoints: [websecure]
+#   routes:
+#     - match: Host(`segmentdisplay.flowercore.io`) && (Method(`GET`) || Method(`HEAD`))
+#       kind: Rule
+#       middlewares:
+#         - name: segmentdisplay-web-public-profile-header  # injects entitlement profile
+#       services:
+#         - name: segmentdisplay-web
+#           port: 80
+#   tls: {}
+# # POST/PUT/PATCH/DELETE miss every route -> Traefik 404 -> no admin writes on the public surface.
+# # Reference pattern: dist.flowercore.io (already live + method-gated; do not edit that one).