feat(dashboard): 添加区域转移概率统计功能

将1-49数字分为5个区域(1-10/11-20/21-30/31-40/41-49)，
统计特码从一个区域转移到另一个区域的概率矩阵，
在控制台页面以彩色表格展示

application/admin/controller/History.php

@@ -22,7 +22,7 @@ class History extends Backend
      * 无需额外权限检查的方法（但仍在 admin 模块内，需要 admin 登录）
      * @var array
      */
-    protected $noNeedRight = ['missingNum', 'trendData', 'hotColdNumbers', 'colorWaveAnalysis', 'zodiacAnalysis', 'oddEvenAnalysis', 'bigSmallAnalysis', 'specialTrend', 'consecutiveNumbers', 'tailNumbers', 'dashboard', 'specialHeatmap', 'specialHotColdAction'];
+    protected $noNeedRight = ['missingNum', 'trendData', 'hotColdNumbers', 'colorWaveAnalysis', 'zodiacAnalysis', 'oddEvenAnalysis', 'bigSmallAnalysis', 'specialTrend', 'consecutiveNumbers', 'tailNumbers', 'dashboard', 'specialHeatmap', 'specialHotColdAction', 'zoneTransition'];
 
     public function _initialize()
     {
@@ -313,5 +313,20 @@ class History extends Backend
         }
     }
 
+    /**
+     * 区域转移概率统计
+     */
+    public function zoneTransition()
+    {
+        if ($this->request->isAjax()) {
+            $periods = $this->request->get('periods', 100, 'intval');
+            if ($periods < 10 || $periods > 500) {
+                $this->error('期数范围必须在 10-500 之间');
+            }
+            $result = $this->model->getZoneTransition($periods);
+            $this->success('查询成功', null, $result);
+        }
+    }
+
 
 }