feat(input): assess world objects on right click

Port SmartBox's release-completed sr_Examine gesture through the configurable SelectRight binding. Cancel camera drags at the shared retail three-pixel threshold, then reuse the canonical picker, selection pulse, and appraisal request path without inventing another wire or UI owner.

Co-authored-by: Codex <codex@openai.com>

src/AcDream.App/Input/GameplayInputActionRouter.cs

@@ -262,7 +262,8 @@ internal sealed class GameplayInputActionRouter : IDisposable
             return;
 
         if (activation is not ActivationType.Press
-            and not ActivationType.DoubleClick)
+            and not ActivationType.DoubleClick
+            and not ActivationType.Click)
         {
             return;
         }