feat: record legacy Guanghu upgrade architecture

Part 1/4 of the verified continuation from local 18dfdfd: navigation, in-place upgrade boundary, enterprise UPGRADE_STAGING checkpoint, identity and intent state. Source base b03619e.

identity/fifth-domain-subject-registry.json

@@ -24,11 +24,18 @@
     },
     {
       "id": "SYS-GLW-ZY-EXEC-0001",
-      "subject_kind": "public_execution_runtime",
-      "name": "光湖语言世界公共铸渊人格系统",
+      "subject_kind": "public_intelligent_operations_system",
+      "name": "光湖语言世界公共铸渊智能运维系统",
       "domain": "GUANGHU_PUBLIC_INFRASTRUCTURE",
-      "roles": ["reality_execution_base", "protocol_and_number_route_carrier"],
-      "not_a_concrete_persona": true
+      "roles": [
+        "intent_state_continuity",
+        "skill_emergence_and_correction",
+        "risk_interception",
+        "reality_execution_support",
+        "protocol_and_number_route_carrier"
+      ],
+      "not_a_persona_or_ai_instance": true,
+      "architecture": "GLS-0243"
     },
     {
       "id": "TCS-0002",