ui: Remove glow effects from bounding boxes and aimpoints

frontend/js/ui/overlays.js

@@ -48,15 +48,12 @@ APP.ui.overlays.render = function (canvasId, trackSource) {
 
     function drawAimpoint(ctx, x, y, isSel) {
         ctx.save();
-        ctx.shadowBlur = isSel ? 18 : 12;
-        ctx.shadowColor = "rgba(239,68,68,.45)";
         ctx.strokeStyle = "rgba(239,68,68,.95)";
         ctx.lineWidth = isSel ? 3 : 2;
         ctx.beginPath();
         ctx.arc(x, y, isSel ? 10 : 9, 0, Math.PI * 2);
         ctx.stroke();
 
-        ctx.shadowBlur = 0;
         ctx.strokeStyle = "rgba(255,255,255,.70)";
         ctx.lineWidth = 1.5;
         ctx.beginPath();
@@ -84,31 +81,8 @@ APP.ui.overlays.render = function (canvasId, trackSource) {
         const isFocus = label.includes("drone") || label.includes("uav");
 
         ctx.strokeStyle = isSel ? "rgba(34,211,238,.95)" : (isFocus ? "rgba(34,211,238,.70)" : "rgba(124,58,237,.55)");
-        ctx.shadowColor = isSel ? "rgba(34,211,238,.40)" : "rgba(124,58,237,.25)";
-        ctx.shadowBlur = isSel ? 18 : 10;
         roundRect(ctx, b.x, b.y, b.w, b.h, 10, false, true);
 
-        // Animated pulsing glow for selected box
-        if (isSel) {
-            const pulse = Math.sin(t * 3) * 0.5 + 0.5; // 0..1 pulsing
-            ctx.save();
-            ctx.strokeStyle = `rgba(34,211,238,${0.25 + pulse * 0.35})`;
-            ctx.lineWidth = 6;
-            ctx.shadowColor = `rgba(34,211,238,${0.3 + pulse * 0.4})`;
-            ctx.shadowBlur = 28 + pulse * 20;
-            roundRect(ctx, b.x, b.y, b.w, b.h, 10, false, true);
-            ctx.restore();
-            ctx.lineWidth = 3; // restore for subsequent drawing
-        }
-
-        // pseudo mask glow
-        ctx.shadowBlur = 0;
-        const g = ctx.createRadialGradient(b.x + b.w * 0.5, b.y + b.h * 0.5, 10, b.x + b.w * 0.5, b.y + b.h * 0.5, Math.max(b.w, b.h) * 0.75);
-        g.addColorStop(0, isSel ? "rgba(34,211,238,.16)" : "rgba(124,58,237,.10)");
-        g.addColorStop(1, "rgba(0,0,0,0)");
-        ctx.fillStyle = g;
-        ctx.fillRect(b.x, b.y, b.w, b.h);
-
         // Label / Info Text
         ctx.font = "bold 13px 'Inter', sans-serif";
         let text = (d.label || "OBJ").toUpperCase();