feat(admin): 增加玩家密码管理与角色边界

database/migrations/2026_07_21_120000_add_native_token_version_to_players.php

@@ -0,0 +1,24 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('players', function (Blueprint $table): void {
+            $table->unsignedInteger('native_token_version')
+                ->default(0)
+                ->after('login_locked_until');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('players', function (Blueprint $table): void {
+            $table->dropColumn('native_token_version');
+        });
+    }
+};

database/migrations/2026_07_21_130000_remove_agent_role_from_unbound_platform_accounts.php

@@ -0,0 +1,17 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use App\Support\InvalidPlatformAgentRoleCleanup;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        InvalidPlatformAgentRoleCleanup::run();
+    }
+
+    public function down(): void
+    {
+        // 非法的平台账号代理角色绑定无法可靠还原，回滚时保持清理结果。
+    }
+};