fix: PlanProgress template syntax error — multi-statement inline expression

web/src/lib/components/PlanProgress.svelte

@@ -38,6 +38,12 @@
     sheetSlug = targetSlug
     sheetOpen = true
   }
+
+  function toggleGen(gen: number) {
+    if (openGens.has(gen)) openGens.delete(gen)
+    else openGens.add(gen)
+    openGens = new Set(openGens)
+  }
 </script>
 
 {#if total > 0}
@@ -56,7 +62,7 @@
         <button
           type="button"
           class="flex items-center gap-1 text-[10px] text-muted-foreground hover:text-foreground"
-          onclick={() => openGens.has(gen) ? openGens.delete(gen) : openGens.add(gen); openGens = new Set(openGens)}
+          onclick={() => toggleGen(gen)}
         >
           {#if openGens.has(gen) || isLatest}
             <ChevronDownIcon class="size-3" />