ksys: small declaration fixes

setCamera's only caller passes the camera actor, a ksys::act::Actor;
ksys::act::Camera is only forward-declared.

(AI assisted using Claude Fable 5.1 and Claude Opus 5.5)

src/KingSystem/ActorSystem/actActorCaptureMgr.cpp

@@ -30,7 +30,7 @@ void ActorCaptureMgr::init(const InitArg& arg) {
     mDummyFile.load("Actor/ActorCapture/Dummy.bactcapt", &req);
 }
 
-void ActorCaptureMgr::setCamera(Camera* camera) {
+void ActorCaptureMgr::setCamera(Actor* camera) {
     if (camera)
         mCamera = camera;
 }

src/KingSystem/ActorSystem/actActorCaptureMgr.h

@@ -14,7 +14,6 @@ class EntryFactoryBase;
 namespace ksys::act {
 
 class Actor;
-class Camera;
 
 // TODO: incomplete
 class ActorCaptureMgr {
@@ -27,14 +26,14 @@ public:
     virtual ~ActorCaptureMgr();
 
     void init(const InitArg& arg);
-    void setCamera(Camera* camera);
+    void setCamera(Actor* camera);
 
     void loadCaptureParam();
     const char* getCapturedActorName() const;
 
 private:
     Actor* mActor{};
-    Camera* mCamera{};
+    Actor* mCamera{};
     res::EntryFactoryBase* mFactory{};
     res::Handle mDummyFile;
     res::Handle mCaptureParamFile;