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/UserIdentity.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class UserIdentity extends Model
+{
+    protected $fillable = ['user_id', 'type', 'identifier', 'verified_at'];
+
+    protected function casts(): array
+    {
+        return ['verified_at' => 'datetime'];
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+}