Silo contents at a glance (t38); drill aimed past its reach stays calm (t41)

Silos show a wide fill window in the material's colour in both looks,
and the cursor label names the contents anywhere over the outline.
Aiming the drill beyond its reach keeps normal colours, marks where the
pulse stops, and drops the red circle and the out-of-reach toast.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/ui/previews.js

@@ -70,9 +70,6 @@ function drawPreviews() {
   if (!reachOk && t !== 'drill' && !sel) {
     drawReachCircle(REACH, 0.35);
   }
-  if (t === 'drill' && !sel && !pasting && !inDrillReach(ax, ay, GAME.drillW)) {
-    drawReachCircle(drillReach(GAME.drillW), 0.45);
-  }
   drawDrillPulses();
   if (t === 'drill' && !sel && !pasting) drawDrillAim(ax, ay);
   if (sel) drawSelection(sel, ax, ay);