fix(lobby): 플레이테스트 — 이동 복원에 InputSpeed 필수 + FixedLookAt int 타입 (P15)

메이커 실측으로 확인:
- 이동에는 RigidbodyComponent.WalkAcceleration과 MovementComponent.InputSpeed가 둘 다 양수여야 함(WalkAccel만으론 안 걸림). LobbyMobility에 InputSpeed=5·JumpForce=5 추가.
- pc.FixedLookAt은 boolean이 아니라 int32 → false→0 (빌드 에러 해소).
- PlayerLock에 InputSpeed/JumpForce=0 대칭 재잠금 추가(전투맵 누설 방어).
- NPC 베이스 모델 inheritance 경고는 비치명적이라 proven-good(모델 유지) 결정 주석화.

검증: 로비 이동·점프, NpcCodex 근접(d=1.10<1.2)·↑키→카드 도감, 런 시작→map01 텔레포트+이동 잠금(InputSpeed=0), 로비 복귀→이동 재해제 전부 정상.

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

RootDesk/MyDesk/LobbyMobility.codeblock

@@ -47,7 +47,7 @@
             "Name": null
           },
           "Arguments": [],
-          "Code": "self.Tries = 0\nlocal eventId = 0\nlocal function apply()\n\tself.Tries = self.Tries + 1\n\tlocal lp = _UserService.LocalPlayer\n\tif lp ~= nil and lp.PlayerControllerComponent ~= nil then\n\t\tlocal pc = lp.PlayerControllerComponent\n\t\tpc.Enable = true\n\t\tpc.FixedLookAt = false\n\t\tlocal rb = lp.RigidbodyComponent\n\t\tif rb ~= nil then rb.WalkAcceleration = 0.7 end\n\t\t_TimerService:ClearTimer(eventId)\n\telseif self.Tries > 50 then\n\t\t_TimerService:ClearTimer(eventId)\n\tend\nend\neventId = _TimerService:SetTimerRepeat(apply, 0.1)",
+          "Code": "self.Tries = 0\nlocal eventId = 0\nlocal function apply()\n\tself.Tries = self.Tries + 1\n\tlocal lp = _UserService.LocalPlayer\n\tif lp ~= nil and lp.PlayerControllerComponent ~= nil then\n\t\tlocal pc = lp.PlayerControllerComponent\n\t\tpc.Enable = true\n\t\tpc.FixedLookAt = 0\n\t\tlocal rb = lp.RigidbodyComponent\n\t\tif rb ~= nil then rb.WalkAcceleration = 0.7 end\n\t\tlocal mv = lp.MovementComponent\n\t\tif mv ~= nil then\n\t\t\tmv.InputSpeed = 5\n\t\t\tmv.JumpForce = 5\n\t\tend\n\t\t_TimerService:ClearTimer(eventId)\n\telseif self.Tries > 50 then\n\t\t_TimerService:ClearTimer(eventId)\n\tend\nend\neventId = _TimerService:SetTimerRepeat(apply, 0.1)",
           "Scope": 2,
           "ExecSpace": 6,
           "Attributes": [],