功能：字体颜色持久化、等级体系升级至99级、钓鱼小游戏、补充系统参数

- 字体颜色：s_color 改为 varchar，发消息时保存颜色，进入聊天室自动恢复
- 等级体系：maxlevel 15→99，superlevel 16→100，99级经验阶梯（幂次曲线）
- 管理权限等级按比例调整：禁言50、踢人60、设公告60、封号80、封IP90
- 钓鱼小游戏：FishingController（抛竿扣金币+收竿随机结果+广播）
- 补充6个缺失的 sysparam 参数 + 4个钓鱼参数
- 用户列表点击用户名后自动聚焦输入框
- Pint 格式化

app/Http/Controllers/Admin/UserManagerController.php

@@ -52,17 +52,23 @@ class UserManagerController extends Controller
             return response()->json(['status' => 'error', 'message' => '权限不足：您无法修改同级或高级管理人员资料。'], 403);
         }
 
+        // 管理员级别 = 最高等级 + 1，后台编辑最高可设到管理员级别
+        $adminLevel = (int) \App\Models\Sysparam::getValue('maxlevel', '15') + 1;
+
         $validated = $request->validate([
-            'sex' => 'sometimes|in:男,女,保密',
-            'user_level' => 'sometimes|integer|min:0',
+            'sex' => 'sometimes|integer|in:0,1,2',
+            'user_level' => "sometimes|integer|min:0|max:{$adminLevel}",
+            'exp_num' => 'sometimes|integer|min:0',
+            'jjb' => 'sometimes|integer|min:0',
+            'meili' => 'sometimes|integer|min:0',
+            'qianming' => 'sometimes|nullable|string|max:255',
             'headface' => 'sometimes|string|max:50',
-            'sign' => 'sometimes|string|max:255',
             'password' => 'nullable|string|min:6',
         ]);
 
         // 如果传了且没超权，直接赋予
         if (isset($validated['user_level'])) {
-            // 不能把自己或别人提权到超过自己的等级
+            // 不能把别人提权到超过自己的等级
             if ($validated['user_level'] > $currentUser->user_level && $currentUser->id !== $targetUser->id) {
                 return response()->json(['status' => 'error', 'message' => '您不能将别人提升至超过您的等级！'], 403);
             }
@@ -72,12 +78,21 @@ class UserManagerController extends Controller
         if (isset($validated['sex'])) {
             $targetUser->sex = $validated['sex'];
         }
+        if (isset($validated['exp_num'])) {
+            $targetUser->exp_num = $validated['exp_num'];
+        }
+        if (isset($validated['jjb'])) {
+            $targetUser->jjb = $validated['jjb'];
+        }
+        if (isset($validated['meili'])) {
+            $targetUser->meili = $validated['meili'];
+        }
+        if (array_key_exists('qianming', $validated)) {
+            $targetUser->qianming = $validated['qianming'];
+        }
         if (isset($validated['headface'])) {
             $targetUser->headface = $validated['headface'];
         }
-        if (isset($validated['sign'])) {
-            $targetUser->sign = $validated['sign'];
-        }
 
         if (! empty($validated['password'])) {
             $targetUser->password = Hash::make($validated['password']);