fix(ascension): RPC ExecSpace 실측 보정 — Server=5·Client=6 (프로브 검증)

- 1은 ServerOnly(클라 호출 무시)라 저장/로드 RPC 미동작 → 5로 수정
- RecvAscension 6(Client): 서버→특정 클라 userId 라우팅 실측 확인
- 설계 문서 ExecSpace 표 갱신, 프로브 메서드 제거

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

RootDesk/MyDesk/SlayDeckController.codeblock

@@ -569,7 +569,7 @@
           ],
           "Code": "local ds = _DataStorageService:GetUserDataStorage(userId)\nlocal errCode, value = ds:GetAndWait(\"ascensionUnlocked\")\nlocal n = 0\nif errCode == 0 and value ~= nil and value ~= \"\" then\n\tn = tonumber(value) or 0\nend\nself:RecvAscension(n, userId)",
           "Scope": 2,
-          "ExecSpace": 1,
+          "ExecSpace": 5,
           "Attributes": [],
           "Name": "ReqLoadAscension"
         },
@@ -599,7 +599,7 @@
           ],
           "Code": "self.AscensionUnlocked = n\nif self.AscensionLevel > self.AscensionUnlocked then\n\tself.AscensionLevel = self.AscensionUnlocked\nend\nself:RenderAscension()",
           "Scope": 2,
-          "ExecSpace": 2,
+          "ExecSpace": 6,
           "Attributes": [],
           "Name": "RecvAscension"
         },
@@ -629,7 +629,7 @@
           ],
           "Code": "local ds = _DataStorageService:GetUserDataStorage(userId)\nds:SetAndWait(\"ascensionUnlocked\", tostring(n))",
           "Scope": 2,
-          "ExecSpace": 1,
+          "ExecSpace": 5,
           "Attributes": [],
           "Name": "SaveAscension"
         },