release: bump version to 0.27.1

frontend/public/earth/js/controls.js

@@ -193,14 +193,31 @@ function setupDraggableHudPanels() {
       if (!isDragging) return;
       const appRect = app.getBoundingClientRect();
       const panelRect = panel.getBoundingClientRect();
-      const nextLeft = Math.min(
+      const brandPanel = document.getElementById("brand-panel");
+      const brandRect = brandPanel ? brandPanel.getBoundingClientRect() : null;
+      const brandBottom = brandRect ? brandRect.bottom - appRect.top : 0;
+      const brandRight = brandRect ? brandRect.right - appRect.left : 0;
+
+      let nextLeft = Math.min(
         Math.max(startLeft + (event.clientX - startPointerX), 0),
         appRect.width - panelRect.width,
       );
-      const nextTop = Math.min(
+      let nextTop = Math.min(
         Math.max(startTop + (event.clientY - startPointerY), 0),
         appRect.height - panelRect.height,
       );
+      // Brand 面板形成 L 形禁区：panel 不能进入 brand 左上角矩形区域。
+      // 当两个轴同时越界时，比较两侧超出量——哪侧需要的调整量更小就卡哪侧。
+      // 从右侧滑入 → leftAdjust 小 → 卡右边；从下方滑入 → topAdjust 小 → 卡底边。
+      if (brandRect && nextLeft < brandRight && nextTop < brandBottom) {
+        const leftAdjust = brandRight - nextLeft;
+        const topAdjust = brandBottom - nextTop;
+        if (leftAdjust <= topAdjust) {
+          nextLeft = brandRight;
+        } else {
+          nextTop = brandBottom;
+        }
+      }
 
       panel.style.left = `${nextLeft}px`;
       panel.style.top = `${nextTop}px`;