搭建轻舟一期门户、后台和统一登录。

让分类、会员和示例工具共用同一账号，本地即可跑通登录与授权。

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/Models/UserToolOpen.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class UserToolOpen extends Model
+{
+    protected $fillable = ['user_id', 'tool_id', 'open_count', 'last_opened_at'];
+
+    protected function casts(): array
+    {
+        return [
+            'open_count' => 'integer',
+            'last_opened_at' => 'datetime',
+        ];
+    }
+
+    public function tool(): BelongsTo
+    {
+        return $this->belongsTo(Tool::class);
+    }
+}