悄悄话抽屉：半屏往上划直接拉满

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

js/wh-cm.js

@@ -340,8 +340,8 @@
     /* 11-07 用户：「滑了一下又缩回去，要很大力气才上得去」→ 按方向判断：往上动过 24px（或甩一下）就往上一档，
        拖过半屏再往上就直接拉满；往下同理；只有几像素的小抖动才回原位 */
     var dy = e.changedTouches[0].clientY - dd.y, h = dd.base - dy, v = dy / Math.max(1, Date.now() - dd.t);
-    if (dy < -24 || v < -.25) snap(state === 'full' || h > hFor('half') + 40 ? 'full' : 'half');
-    else if (dy > 24 || v > .25) snap(state === 'closed' || h < hFor('half') - 40 ? 'closed' : 'half');
+    if (dy < -24 || v < -.25) snap(state !== 'closed' || h > hFor('half') + 40 ? 'full' : 'half');
+    else if (dy > 24 || v > .25) snap(state !== 'full' || h < hFor('half') - 40 ? 'closed' : 'half');
     else snap(state);
   });