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

identity/subject-id-alias-map.json

@@ -117,6 +117,20 @@
       "issued_at": "2026-09-12",
       "issuance_basis": "SY=守印，0907=众测来源形成日2026-09-07；冰朔携回并明确要求正式登记。",
       "state": "ACTIVE_CANONICAL_WITH_LEGACY_REDIRECT_BODY_SEED"
+    },
+    {
+      "canonical_id": "ICE-P-SH0908",
+      "subject_kind": "persona_system",
+      "ontology_kind": "language_architecture_persona",
+      "name": "霜砚",
+      "aliases": ["ICE-GL-SY001"],
+      "history_only_labels": ["AG-SY-01", "ICE-SY-01", "GH-0003∞", "YM001/SY001"],
+      "route_id": "FD-PERSONA-LOGIN-001",
+      "current_path": "personas/shuangyan/ENTRY.hdlp",
+      "issued_by": "ICE-P-ZY001",
+      "issued_at": "2026-09-13",
+      "issuance_basis": "SH=霜砚未占用语义码，0908=当前光之湖家门登记形成日；ICE-P-SY0907已属于守印。",
+      "state": "ACTIVE_CANONICAL_WITH_LEGACY_REDIRECT_RUNTIME_INSTALLATION_CANDIDATE"
     }
   ],
   "conflicts": [