Add additional marketplace options on launch

doc/marketplace-scripts/circle-grid/source.js

@@ -0,0 +1,42 @@
+function init() {}
+
+function tick(context, state) {
+    const { ctx, width, height, deltaMs } = context;
+    if (!ctx) {
+        return;
+    }
+    ctx.clearRect(0, 0, width, height);
+
+    const centerX = width / 2;
+    const centerY = height / 2;
+    const maxRadius = Math.min(width, height) * 0.45;
+    const pulse = 0.02 * (deltaMs || 0);
+    state.phase = (state.phase || 0) + pulse;
+
+    ctx.strokeStyle = "#38bdf8";
+    ctx.lineWidth = 2;
+    for (let radius = maxRadius; radius > 0; radius -= maxRadius / 6) {
+        ctx.globalAlpha = 0.2 + (radius / maxRadius) * 0.6;
+        ctx.beginPath();
+        ctx.arc(centerX, centerY, radius, 0, Math.PI * 2);
+        ctx.stroke();
+    }
+    ctx.globalAlpha = 1;
+
+    ctx.strokeStyle = "#22c55e";
+    ctx.lineWidth = 3;
+    const sweep = (Math.sin(state.phase) + 1) / 2;
+    const sweepRadius = maxRadius * (0.3 + sweep * 0.7);
+    ctx.beginPath();
+    ctx.arc(centerX, centerY, sweepRadius, 0, Math.PI * 2);
+    ctx.stroke();
+
+    ctx.strokeStyle = "#f8fafc";
+    ctx.lineWidth = 1;
+    ctx.beginPath();
+    ctx.moveTo(centerX, 0);
+    ctx.lineTo(centerX, height);
+    ctx.moveTo(0, centerY);
+    ctx.lineTo(width, centerY);
+    ctx.stroke();
+}