refactor(admin): consolidate duplicate configuration

Remove duplicate comment, captcha, filing, and website-security configuration paths.

Move front submission verification to the captcha scene matrix and retire obsolete admin routes and components.

src/Settings/FacadeBulk.php

@@ -362,21 +362,20 @@ trait FacadeBulk {
 
 
     /**
-     * 获取备案配置（统一 page-display footer schema 和全局设置）
-     * @return array {icp_enabled, icp_number, police_enabled, police_number}
+     * 获取备案配置。
+     * @return array {icp_enabled, icp_filing, police_enabled, police_filing}
      */
     public static function get_filing_settings(): array {
         $s = self::get_all();
         $icp_enabled = !isset($s['footer_icp']) || !empty($s['footer_icp']);
         $police_enabled = !isset($s['footer_police']) || !empty($s['footer_police']);
-        // 优先读 footer schema 的 icp_number，回退到全局 icp_filing
-        $icp_number = trim((string) ($s['icp_number'] ?? $s['icp_filing'] ?? ''));
-        $police_number = trim((string) ($s['police_number'] ?? ''));
+        $icp_filing = trim((string) ($s['icp_filing'] ?? ''));
+        $police_filing = trim((string) ($s['police_filing'] ?? ''));
         return [
             'icp_enabled'    => $icp_enabled,
-            'icp_number'     => $icp_number,
+            'icp_filing'     => $icp_filing,
             'police_enabled' => $police_enabled,
-            'police_number'  => $police_number,
+            'police_filing'  => $police_filing,
         ];
     }
 
@@ -398,7 +397,7 @@ trait FacadeBulk {
 
     /** 获取公安备案号 */
     public static function police_filing(): string {
-        return trim((string) self::get_value('police_number', ''));
+        return trim((string) self::get_value('police_filing', ''));
     }