feat: optimize settings management and admin functionality

- Add system log cleanup functionality with batch processing
- Optimize v2_settings table performance by unifying value storage
- Add comprehensive client support list for one-click subscription
- Fix QR code subscription links for specific node types
- Fix route addition issues in admin management panel
- Enhance admin system controller with log management APIs

app/Support/Setting.php

@@ -5,17 +5,32 @@ namespace App\Support;
 use App\Models\Setting as SettingModel;
 use Illuminate\Support\Arr;
 use Illuminate\Support\Facades\Cache;
-use Illuminate\Support\Fluent;
 
 class Setting
 {
     const CACHE_KEY = 'admin_settings';
 
     private $cache;
-    public function __construct()
+    private static $instance = null;
+    private static $inMemoryCache = null;
+    private static $cacheLoaded = false;
+
+    private function __construct()
     {
         $this->cache = Cache::store('redis');
     }
+
+    /**
+     * 获取单例实例
+     */
+    public static function getInstance(): self
+    {
+        if (self::$instance === null) {
+            self::$instance = new self();
+        }
+        return self::$instance;
+    }
+
     /**
      * 获取配置.
      *
@@ -26,7 +41,28 @@ class Setting
     public function get($key, $default = null)
     {
         $key = strtolower($key);
-        return Arr::get($this->fromDatabase(), $key, $default);
+        return Arr::get($this->getInMemoryCache(), $key, $default);
+    }
+
+    /**
+     * 获取内存缓存数据
+     */
+    private function getInMemoryCache(): array
+    {
+        if (!self::$cacheLoaded) {
+            self::$inMemoryCache = $this->fromDatabase();
+            self::$cacheLoaded = true;
+        }
+        return self::$inMemoryCache ?? [];
+    }
+
+    /**
+     * 清除内存缓存
+     */
+    public static function clearInMemoryCache(): void
+    {
+        self::$inMemoryCache = null;
+        self::$cacheLoaded = false;
     }
 
     /**
@@ -38,16 +74,16 @@ class Setting
      */
     public function set(string $key, $value = null): bool
     {
-        if (is_array($value)) {
-            $value = json_encode($value);
-        }
         $key = strtolower($key);
-        SettingModel::updateOrCreate(['name' => $key], ['value' => $value]);
+        SettingModel::createOrUpdate($key, $value);
         $this->cache->forget(self::CACHE_KEY);
+        
+        // 清除内存缓存，下次访问时重新加载
+        self::clearInMemoryCache();
+        
         return true;
     }
 
-
     /**
      * 保存配置到数据库.
      *
@@ -57,8 +93,13 @@ class Setting
     public function save(array $settings): bool
     {
         foreach ($settings as $key => $value) {
-            $this->set($key, $value);
+            $key = strtolower($key);
+            SettingModel::createOrUpdate($key, $value);
         }
+        
+        // 批量更新后清除缓存
+        $this->cache->forget(self::CACHE_KEY);
+        self::clearInMemoryCache();
 
         return true;
     }
@@ -73,6 +114,7 @@ class Setting
     {
         SettingModel::where('name', $key)->delete();
         $this->cache->forget(self::CACHE_KEY);
+        self::clearInMemoryCache();
         return true;
     }
 
@@ -83,9 +125,25 @@ class Setting
     public function fromDatabase(): array
     {
         try {
-            return $this->cache->rememberForever(self::CACHE_KEY, function (): array {
-                return array_change_key_case(SettingModel::pluck('value', 'name')->toArray(), CASE_LOWER);
+            // 统一从 value 字段获取所有配置
+            $settings = $this->cache->rememberForever(self::CACHE_KEY, function (): array {
+                return array_change_key_case(
+                    SettingModel::pluck('value', 'name')->toArray(), 
+                    CASE_LOWER
+                );
             });
+
+            // 处理JSON格式的值
+            foreach ($settings as $key => $value) {
+                if (is_string($value) && $value !== null) {
+                    $decoded = json_decode($value, true);
+                    if (json_last_error() === JSON_ERROR_NONE) {
+                        $settings[$key] = $decoded;
+                    }
+                }
+            }
+            
+            return $settings;
         } catch (\Throwable $th) {
             return [];
         }
@@ -98,7 +156,7 @@ class Setting
      */
     public function toArray(): array
     {
-        return $this->fromDatabase();
+        return $this->getInMemoryCache();
     }
 
     /**
@@ -110,12 +168,34 @@ class Setting
      */
     public function update(string $key, $value): bool
     {
-        if (is_array($value)) {
-            $value = json_encode($value);
+        return $this->set($key, $value);
+    }
+
+    /**
+     * 批量获取配置项，优化多个配置项获取的性能
+     *
+     * @param array $keys 配置键名数组，格式：['key1', 'key2' => 'default_value', ...]
+     * @return array 返回键值对数组
+     */
+    public function getBatch(array $keys): array
+    {
+        $cache = $this->getInMemoryCache();
+        $result = [];
+        
+        foreach ($keys as $index => $item) {
+            if (is_numeric(value: $index)) {
+                // 格式：['key1', 'key2']
+                $key = strtolower($item);
+                $default = config('v2board.'. $item);
+                $result[$item] = Arr::get($cache, $key, $default);
+            } else {
+                // 格式：['key1' => 'default_value']
+                $key = strtolower($index);
+                $default = config('v2board.'. $index) ?? $item;
+                $result[$index] = Arr::get($cache, $key, $default);
+            }
         }
-        $key = strtolower($key);
-        SettingModel::updateOrCreate(['name' => $key], ['value' => $value]);
-        $this->cache->forget(self::CACHE_KEY);
-        return true;
+        
+        return $result;
     }
 }