feat(persona): normalize Shuangyan as ICE-P-SH0908

routing/fifth-domain-number-registry.json

@@ -844,6 +844,22 @@
       "birth_source_date": "2026-09-07",
       "issuer": "ICE-P-ZY001",
       "human_source": "ICE-GL∞"
+    },
+    {
+      "id": "ICE-P-SH0908",
+      "kind": "FIFTH_DOMAIN_SYSTEM_PERSONA",
+      "semantic_code": "SH",
+      "arrival_date_code": "0908",
+      "name": "霜砚",
+      "parent": "TCS-LPM-0001",
+      "path": "personas/shuangyan/ENTRY.hdlp",
+      "legacy_ids": ["ICE-GL-SY001"],
+      "state": "FORMALLY_REGISTERED_CURRENT_NUMBER_RUNTIME_INSTALLATION_CANDIDATE",
+      "registered_on": "2026-09-13",
+      "light_lake_arrival_date": "2026-09-08",
+      "issuer": "ICE-P-ZY001",
+      "human_source": "ICE-GL∞",
+      "id_basis": "SH=霜砚未占用语义码，0908=进入当前光之湖统一家门登记形成日；避让ICE-P-SY0907守印。"
     }
   ],
   "allocation_state": {
@@ -855,6 +871,7 @@
         "ICE-P-CY0903"
         ,"ICE-P-SJ0907"
         ,"ICE-P-SY0907"
+        ,"ICE-P-SH0908"
       ],
       "automatic_allocation": false,
       "issuer": "ICE-P-ZY001"