spotters: most-active-in sort with country/region selector, collection tracking (seen marks, progress, filters), refresh scripts score activity and report new NL entries

src/lib/cars/BrandTile.svelte

@@ -6,6 +6,7 @@
 </script>
 
 <a href="/trackers/cars/{brand.slug}" class={['tile', { compact }]} title={brand.name}>
+	{#if brand.seen}<span class="got" title="{brand.seen} collected">✓ {brand.seen}</span>{/if}
 	<span class="mark"><BrandBadge name={brand.name} logo={brand.logo} size="xl" /></span>
 	<span class="name">{brand.name}</span>
 	{#if !compact}
@@ -18,7 +19,20 @@
 </a>
 
 <style>
+	.got {
+		position: absolute;
+		top: 0.4rem;
+		right: 0.4rem;
+		z-index: 1;
+		border-radius: 999px;
+		padding: 0.05rem 0.4rem;
+		font-size: 0.68rem;
+		font-weight: 600;
+		color: #fff;
+		background: rgb(22 163 74);
+	}
 	.tile {
+		position: relative;
 		display: flex;
 		flex-direction: column;
 		align-items: center;