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.

assets/js/front-submit.js

@@ -210,6 +210,11 @@
 
     submit: function (btn, action) {
       var self = this;
+      if (action !== 'posts_draft' && !this.requestCaptcha(function () {
+        self.submit(btn, action);
+      })) {
+        return;
+      }
       this.isSubmitting = true;
       var original = btn.innerHTML;
       btn.disabled = true;
@@ -292,6 +297,25 @@
         });
     },
 
+    requestCaptcha: function (onVerified) {
+      var verified = this.form.querySelector('input[name="captcha_verified"]');
+      if (verified && verified.value === '1') {
+        return true;
+      }
+      var captcha = window.AKSRTCaptchaState &&
+        window.AKSRTCaptchaState.scenes &&
+        window.AKSRTCaptchaState.scenes.front_submit;
+      if (!captcha || typeof captcha.verify !== 'function') {
+        return true;
+      }
+      captcha.verify(function (passed) {
+        if (passed) {
+          onVerified();
+        }
+      });
+      return false;
+    },
+
     bindDraftDelete: function () {
       document.addEventListener('click', function (e) {
         var btn = e.target.closest('.aksrt-submit-drafts__delete');