feat: 就地通过评审，并为已过审用户提供默认可关的免审发布

帖/评管理入口可直接通过；站点默认信任已有 published 内容的用户后续直发。

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/app/admin/moderation/ModerationAdmin.tsx

@@ -20,6 +20,7 @@ import {
   apiAdminRejectPost,
   apiAdminApproveComment,
   apiAdminRejectComment,
+  apiUpdateSiteSettings,
   type PendingCommentItem,
   type PendingCounts,
   type Post,
@@ -47,10 +48,15 @@ export default function ModerationAdmin({
   initialPosts,
   initialPostsTotal,
   initError,
+  canConfigureSettings,
+  initialTrustReviewedPublish,
 }: {
   initialPosts: Post[];
   initialPostsTotal: number;
   initError: string;
+  /** 超管/站长可改站点免审策略（后端 PermSettings） */
+  canConfigureSettings: boolean;
+  initialTrustReviewedPublish: boolean;
 }) {
   const [tab, setTab] = useState<Tab>("posts");
   const [counts, setCounts] = useState<PendingCounts>({ posts: initialPostsTotal, comments: 0 });
@@ -73,12 +79,30 @@ export default function ModerationAdmin({
   const [confirmKey, setConfirmKey] = useState<string | null>(null);
   const confirmTimer = useRef<ReturnType<typeof setTimeout> | null>(null);
 
+  const [trustReviewedPublish, setTrustReviewedPublish] = useState(initialTrustReviewedPublish);
+  const [savingTrust, setSavingTrust] = useState(false);
+
   const refreshCounts = useCallback(() => {
     apiAdminPendingCounts()
       .then(setCounts)
       .catch(() => {});
   }, []);
 
+  const toggleTrustReviewedPublish = async () => {
+    if (!canConfigureSettings || savingTrust) return;
+    const next = !trustReviewedPublish;
+    setSavingTrust(true);
+    try {
+      const res = await apiUpdateSiteSettings({ trust_reviewed_publish: next });
+      setTrustReviewedPublish(res.trust_reviewed_publish);
+      toast(res.trust_reviewed_publish ? "已开启：过审用户后续免审" : "已关闭：所有普通用户均需审核", "ok");
+    } catch (e) {
+      toast(e instanceof Error ? e.message : "保存失败");
+    } finally {
+      setSavingTrust(false);
+    }
+  };
+
   useEffect(() => {
     refreshCounts();
   }, [refreshCounts]);
@@ -215,6 +239,40 @@ export default function ModerationAdmin({
         </p>
       </div>
 
+      {canConfigureSettings && (
+        <section
+          className="panel p-4 sm:p-5 mb-5 flex items-start justify-between gap-4 flex-wrap"
+          aria-label="审核策略"
+        >
+          <div className="min-w-0 flex-1">
+            <h2 className="text-[14.5px] font-semibold" style={{ color: "var(--ink)" }}>
+              已过审用户后续免审
+            </h2>
+            <p className="meta mt-1 text-[12.5px] leading-relaxed">
+              开启后，若用户已有通过审核的帖子或评论，后续发帖与评论将直接公开，无需再次进入待审队列。默认开启。
+            </p>
+          </div>
+          <button
+            type="button"
+            role="switch"
+            aria-checked={trustReviewedPublish}
+            disabled={savingTrust}
+            onClick={() => void toggleTrustReviewedPublish()}
+            className="shrink-0 relative h-7 w-12 rounded-full transition-colors disabled:opacity-60"
+            style={{
+              background: trustReviewedPublish ? "var(--accent)" : "var(--line-2)",
+            }}
+            data-tip={trustReviewedPublish ? "点击关闭" : "点击开启"}
+          >
+            <span
+              className="absolute top-0.5 left-0.5 h-6 w-6 rounded-full bg-[var(--panel)] shadow transition-transform"
+              style={{ transform: trustReviewedPublish ? "translateX(1.25rem)" : "translateX(0)" }}
+            />
+            <span className="sr-only">{trustReviewedPublish ? "已开启" : "已关闭"}</span>
+          </button>
+        </section>
+      )}
+
       {/* 队列切换 */}
       <div className="flex items-center gap-1.5 mb-4 flex-wrap" role="tablist" aria-label="审核队列">
         {(