feat(pages): 1:1 用户身份认证页 user-auth

Public apply/status shell on aksrt_user_verify_* meta, AJAX submit with
materials upload, admin approve promotes apply payload to auth info.

assets/css/routes/user-auth.css

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+/**
+ * User identity auth page styles (zibll user-auth).
+ *
+ * @package AKSRT
+ */
+
+.aksrt-user-auth-panel {
+	overflow: hidden;
+	margin-top: 20px;
+}
+
+.aksrt-user-auth-panel .colorful-bg.c-blue {
+	background: linear-gradient(135deg, #4e9bff 0%, #2f6df6 100%);
+	color: #fff;
+}
+
+.aksrt-user-auth-panel .muted-2-color {
+	color: var(--muted-2-color, #888);
+}
+
+.aksrt-user-auth-panel .form-control {
+	width: 100%;
+	padding: 8px 10px;
+	border: 1px solid var(--main-border-color, #ddd);
+	border-radius: 6px;
+	box-sizing: border-box;
+}
+
+.aksrt-user-auth-panel .mb20 {
+	margin-bottom: 20px;
+}
+
+.aksrt-user-auth-panel .mb6 {
+	margin-bottom: 6px;
+}
+
+.aksrt-user-auth-panel .but.c-blue,
+.aksrt-user-auth-panel button.but {
+	display: inline-flex;
+	align-items: center;
+	justify-content: center;
+	gap: 6px;
+	background: var(--focus-color, #2f6df6);
+	color: #fff;
+	border: 0;
+	border-radius: 6px;
+	padding: 10px 18px;
+	cursor: pointer;
+}
+
+.aksrt-user-auth-panel .btn-block {
+	width: 100%;
+}
+
+.aksrt-user-auth-panel__imgs {
+	display: flex;
+	flex-wrap: wrap;
+	gap: 8px;
+}
+
+.aksrt-user-auth-panel__imgs .preview-item {
+	width: 96px;
+	height: 96px;
+	border-radius: 6px;
+	overflow: hidden;
+	border: 1px solid var(--main-border-color, #eee);
+}
+
+.aksrt-user-auth-panel__imgs img {
+	width: 100%;
+	height: 100%;
+	object-fit: cover;
+	display: block;
+}
+
+.aksrt-user-auth-panel .c-red {
+	color: #e74c3c;
+}
+
+.page-template-user-auth .content-wrap {
+	display: flex;
+	gap: 20px;
+	flex-wrap: wrap;
+}
+
+.page-template-user-auth .content-layout {
+	flex: 1 1 0;
+	min-width: 0;
+}

assets/js/user-auth-page.js

@@ -0,0 +1,64 @@
+/**
+ * User auth apply form AJAX.
+ *
+ * @package AKSRT
+ */
+(function () {
+  'use strict';
+
+  function ajaxUrl() {
+    if (window.aksrtData && window.aksrtData.ajaxUrl) return window.aksrtData.ajaxUrl;
+    return '/wp-admin/admin-ajax.php';
+  }
+
+  function toast(msg, type) {
+    if (window.aksrt && typeof window.aksrt.toast === 'function') {
+      window.aksrt.toast(msg, type || 'info');
+      return;
+    }
+    // eslint-disable-next-line no-alert
+    window.alert(msg);
+  }
+
+  function init() {
+    var form = document.querySelector('.aksrt-user-auth-form');
+    if (!form) return;
+
+    form.addEventListener('submit', function (e) {
+      e.preventDefault();
+      var btn = form.querySelector('button[type="submit"]');
+      if (btn) btn.disabled = true;
+      var fd = new FormData(form);
+      if (!fd.get('action')) fd.set('action', 'aksrt_user_auth_apply');
+
+      fetch(ajaxUrl(), {
+        method: 'POST',
+        body: fd,
+        credentials: 'same-origin',
+      })
+        .then(function (r) { return r.json(); })
+        .then(function (data) {
+          if (!data || data.error) {
+            toast((data && data.msg) || '提交失败', 'danger');
+            return;
+          }
+          toast(data.msg || '提交成功', 'success');
+          if (data.reload) {
+            window.setTimeout(function () { window.location.reload(); }, 500);
+          }
+        })
+        .catch(function () {
+          toast('网络错误', 'danger');
+        })
+        .finally(function () {
+          if (btn) btn.disabled = false;
+        });
+    });
+  }
+
+  if (document.readyState === 'loading') {
+    document.addEventListener('DOMContentLoaded', init);
+  } else {
+    init();
+  }
+})();