Fix Fogofwar

frontend/src/lib/components/Map.svelte

@@ -455,9 +455,14 @@
   $: mapExploredCells.set(exploredCells);
 
   // Recenter when Minimap requests (click on minimap) — subscribe so it always runs
+  // Fix for SVG url(#id) references breaking when SvelteKit injects a <base href> tag
+  // (common on HuggingFace Spaces and other static deployments)
+  let svgBaseUrl = '';
+
   let unsubCenter: (() => void) | null = null;
   let unsubGameState: (() => void) | null = null;
   onMount(() => {
+    svgBaseUrl = window.location.href.split('#')[0];
     unsubCenter = mapCenterRequest.subscribe((req) => {
       if (!req) return;
       vx = clamp(req.cx - vw / 2, 0, MAP_W - vw);
@@ -821,8 +826,8 @@
     </mask>
   </defs>
   {#if !isObserver}
-  <rect x="0" y="0" width={MAP_W} height={MAP_H} fill="rgba(0,0,0,0.85)" mask="url(#fog-mask-unexplored)" />
-  <rect x="0" y="0" width={MAP_W} height={MAP_H} fill="rgba(0,0,0,0.45)" mask="url(#fog-mask-explored-not-visible)" pointer-events="none" />
+  <rect x="0" y="0" width={MAP_W} height={MAP_H} fill="rgba(0,0,0,0.85)" mask="url({svgBaseUrl}#fog-mask-unexplored)" />
+  <rect x="0" y="0" width={MAP_W} height={MAP_H} fill="rgba(0,0,0,0.45)" mask="url({svgBaseUrl}#fog-mask-explored-not-visible)" pointer-events="none" />
   {/if}
 
   <!-- Tutorial target beacon (rendered above fog so it's always visible) -->