Safe-Zone Checker
Returns a Boolean – true if layer is inside title-safe area.
Code
var pad = 100; // pixels from edge
var pt = toComp(anchorPoint);
(pt[0] > pad && pt[0] < thisComp.width - pad && pt[1] > pad && pt[1] < thisComp.height - pad);
utilitysafe-zoneboolean
How to Use
Paste on Opacity or Colour to highlight when layer leaves safe area, or drive expressions elsewhere.