fix: align animation pacing and transforms with native

engine/Age.Engine/Vm/VirtualMachine.cs

@@ -377,6 +377,11 @@ public sealed class VirtualMachine
                 Gfx.SetRotationCycle(Read(a[0]), Read(a[1]), (Read(a[2]), Read(a[3]), Read(a[4]))); return pc + 1;
             case "set-anim-clock":   // 0x238 (duration) — global, non-blocking (host advances it per-frame)
                 Gfx.SetAnimClock(Read(a[0])); return pc + 1;
+            case "reset-anim-clock": // 0x243: reset the separate global animation-service clock
+                Gfx.ResetAnimClock(); return pc + 1;
+            case "mark-frame-yield": // 0x21c: host already yields after every completed opcode
+            case "clear-gfx-command-queue": // 0x224: retained compositor does not use this native queue
+                return pc + 1;
             default:
                 // Stub is per-instruction frequency (the VM handles ~30 ops; the rest hit here, e.g.
                 // 0x258/0x259 stmt markers appear en masse), so gate it with Step — else --trace floods.