功能：VIP 赞助会员系统

- 新建 vip_levels 表（名称、图标、颜色、经验/金币倍率、专属进入/离开模板）
- 默认4个等级种子：白银🥈(×1.5)、黄金🥇(×2.0)、钻石💎(×3.0)、至尊👑(×5.0)
- 后台 VIP 等级 CRUD 管理（新增/编辑/删除，配置模板和倍率）
- 后台用户编辑弹窗支持设置 VIP 等级和到期时间
- ChatController 心跳经验按 VIP 倍率加成
- FishingController 正向奖励按 VIP 倍率加成（负面惩罚不变）
- 在线名单显示 VIP 图标和管理员🛡️标识
- VIP 用户进入/离开使用专属颜色和标题
- 后台侧栏新增「👑 VIP 会员等级」入口

resources/views/admin/users/index.blade.php

@@ -44,6 +44,10 @@
                                     <img src="/images/headface/{{ $user->headface ?? '01.gif' }}"
                                         class="w-8 h-8 rounded border object-cover">
                                     <span class="font-bold text-gray-800">{{ $user->username }}</span>
+                                    @if ($user->isVip())
+                                        <span title="{{ $user->vipName() }}"
+                                            style="color: {{ $user->vipLevel?->color ?? '#f59e0b' }}">{{ $user->vipIcon() }}</span>
+                                    @endif
                                 </div>
                             </td>
                             <td class="p-4 text-sm">{{ [0 => '保密', 1 => '男', 2 => '女'][$user->sex] ?? '保密' }}</td>
@@ -70,6 +74,8 @@
                                         sex: '{{ $user->sex }}',
                                         qianming: '{{ addslashes($user->qianming ?? '') }}',
                                         visit_num: {{ $user->visit_num ?? 0 }},
+                                        vip_level_id: '{{ $user->vip_level_id ?? '' }}',
+                                        hy_time: '{{ $user->hy_time ? $user->hy_time->format('Y-m-d') : '' }}',
                                         requestUrl: '{{ route('admin.users.update', $user->id) }}'
                                     }; showEditModal = true"
                                     class="text-xs bg-indigo-50 text-indigo-600 font-bold px-3 py-1.5 rounded hover:bg-indigo-600 hover:text-white transition cursor-pointer">
@@ -168,6 +174,28 @@
                                 class="w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500 p-2 border text-sm">
                         </div>
 
+                        {{-- VIP 会员设置 --}}
+                        <div class="mt-4 grid grid-cols-2 gap-4">
+                            <div>
+                                <label class="block text-xs font-bold text-gray-600 mb-1">VIP 会员等级</label>
+                                <select name="vip_level_id" x-model="editingUser.vip_level_id"
+                                    class="w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500 p-2 border text-sm">
+                                    <option value="">无（普通用户）</option>
+                                    @foreach ($vipLevels as $vl)
+                                        <option value="{{ $vl->id }}">{{ $vl->icon }}
+                                            {{ $vl->name }}（×{{ $vl->exp_multiplier }}经验
+                                            ×{{ $vl->jjb_multiplier }}金币）</option>
+                                    @endforeach
+                                </select>
+                            </div>
+                            <div>
+                                <label class="block text-xs font-bold text-gray-600 mb-1">会员到期时间
+                                    <span class="font-normal text-gray-400">（留空=永久）</span></label>
+                                <input type="date" name="hy_time" x-model="editingUser.hy_time"
+                                    class="w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500 p-2 border text-sm">
+                            </div>
+                        </div>
+
                         {{-- 密码 --}}
                         <div class="mt-4">
                             <label