新增 OIDC/SSO、邮件验证码与 Gitea 项目同步，并强化 Feed 与管理后台。

作为 OIDC Provider 对接 Gitea；注册支持邮件验证码/验证码；侧栏同步公开仓库；Feed 分页、文章大纲、标签云与站点品牌设置。

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

frontend/src/components/editor/MembersOnlyExtension.tsx

@@ -1,62 +1,106 @@
 import { Node, mergeAttributes } from '@tiptap/core';
+import type { Node as ProseMirrorNode } from '@tiptap/pm/model';
 import {
   ReactNodeViewRenderer,
   NodeViewWrapper,
   NodeViewContent,
   type NodeViewProps,
 } from '@tiptap/react';
-import { LockKeyhole, LogOut } from 'lucide-react';
+import { LockKeyhole, Trash2 } from 'lucide-react';
 
 /** 查找光标所在的登录可见节点深度 */
-function findMembersOnlyDepth($pos: { depth: number; node: (d: number) => { type: { name: string } } }): number {
+function findMembersOnlyDepth($pos: {
+  depth: number;
+  node: (d: number) => { type: { name: string }; nodeSize: number };
+  before: (d: number) => number;
+  start: (d: number) => number;
+}): number {
   for (let d = $pos.depth; d > 0; d -= 1) {
     if ($pos.node(d).type.name === 'membersOnly') return d;
   }
   return -1;
 }
 
+/** 登录可见区块是否无实质文字 */
+function isMembersOnlyEmpty(node: ProseMirrorNode): boolean {
+  return node.textContent.trim().length === 0;
+}
+
 /** 编辑态「登录可见」区块视图 */
-function MembersOnlyView({ selected, editor }: NodeViewProps) {
-  const handleExit = () => {
-    editor.chain().focus().exitMembersOnly().run();
+function MembersOnlyView({ selected, editor, node, getPos }: NodeViewProps) {
+  const empty = isMembersOnlyEmpty(node);
+
+  /** 按 NodeView 自身位置删除，不依赖光标是否仍在块内 */
+  const deleteThisBlock = () => {
+    const pos = getPos();
+    if (typeof pos !== 'number') {
+      editor.chain().focus().removeMembersOnly().run();
+      return;
+    }
+    editor
+      .chain()
+      .focus()
+      .command(({ tr, dispatch }) => {
+        if (dispatch) tr.delete(pos, pos + node.nodeSize);
+        return true;
+      })
+      .run();
   };
 
   const handleUnwrap = () => {
-    editor.chain().focus().unwrapMembersOnly().run();
+    const pos = getPos();
+    if (typeof pos !== 'number') {
+      editor.chain().focus().unwrapMembersOnly().run();
+      return;
+    }
+    editor
+      .chain()
+      .focus()
+      .command(({ tr, dispatch }) => {
+        if (isMembersOnlyEmpty(node)) {
+          if (dispatch) tr.delete(pos, pos + node.nodeSize);
+        } else if (dispatch) {
+          tr.replaceWith(pos, pos + node.nodeSize, node.content);
+        }
+        return true;
+      })
+      .run();
   };
 
   return (
     <NodeViewWrapper
-      as="members-only"
-      className={`post-members-only post-members-only--visible editor-members-only${selected ? ' editor-members-only--selected' : ''}`}
+      className={`post-members-only post-members-only--visible editor-members-only${selected ? ' editor-members-only--selected' : ''}${empty ? ' editor-members-only--empty' : ''}`}
     >
       <div className="post-members-only__badge" contentEditable={false}>
         <span className="post-members-only__badge-icon" aria-hidden="true">
           <LockKeyhole size={12} />
         </span>
         <span>登录可见</span>
-        <button
-          type="button"
-          className="post-members-only__exit-btn"
-          title="Ctrl+Enter 退出到公开区域"
-          onMouseDown={e => e.preventDefault()}
-          onClick={handleExit}
-        >
-          <LogOut size={11} />
-          退出
-        </button>
-        <span className="post-members-only__shortcut-hint">Ctrl+Enter 退出</span>
-        <button
-          type="button"
-          className="post-members-only__unwrap-btn"
-          title="取消登录可见包裹，保留正文"
-          onMouseDown={e => e.preventDefault()}
-          onClick={handleUnwrap}
-        >
-          取消包裹
-        </button>
+        <div className="post-members-only__badge-actions">
+          {!empty && (
+            <button
+              type="button"
+              className="post-members-only__unwrap-btn"
+              title="取消登录可见包裹，保留正文"
+              onMouseDown={e => e.preventDefault()}
+              onClick={handleUnwrap}
+            >
+              取消包裹
+            </button>
+          )}
+          <button
+            type="button"
+            className="post-members-only__remove-btn"
+            title={empty ? '删除空的登录可见区块' : '删除整个登录可见区块'}
+            onMouseDown={e => e.preventDefault()}
+            onClick={deleteThisBlock}
+          >
+            <Trash2 size={11} />
+            删除
+          </button>
+        </div>
       </div>
-      <NodeViewContent className="post-members-only__body" />
+      <NodeViewContent className="post-members-only__body" data-placeholder="此处内容游客不可见…" />
     </NodeViewWrapper>
   );
 }
@@ -68,6 +112,7 @@ declare module '@tiptap/core' {
       wrapMembersOnly: () => ReturnType;
       exitMembersOnly: () => ReturnType;
       unwrapMembersOnly: () => ReturnType;
+      removeMembersOnly: () => ReturnType;
     };
   }
 }
@@ -94,6 +139,37 @@ export const MembersOnly = Node.create({
 
   addKeyboardShortcuts() {
     return {
+      // 空区块内 Backspace / Delete：整块删除
+      Backspace: ({ editor }) => {
+        const { $from, empty } = editor.state.selection;
+        if (!empty) return false;
+
+        const depth = findMembersOnlyDepth($from);
+        if (depth < 0) return false;
+
+        const node = $from.node(depth);
+        if (!isMembersOnlyEmpty(node)) {
+          // 有内容时：在区块首字位置再按 Backspace 则解除包裹（与常见编辑器一致）
+          if ($from.parentOffset !== 0) return false;
+          const start = $from.start(depth);
+          if ($from.pos !== start) return false;
+          return editor.commands.unwrapMembersOnly();
+        }
+
+        return editor.commands.removeMembersOnly();
+      },
+      Delete: ({ editor }) => {
+        const { $from, empty } = editor.state.selection;
+        if (!empty) return false;
+
+        const depth = findMembersOnlyDepth($from);
+        if (depth < 0) return false;
+
+        const node = $from.node(depth);
+        if (!isMembersOnlyEmpty(node)) return false;
+
+        return editor.commands.removeMembersOnly();
+      },
       // 在区块末尾空行按 Enter 时退出到公开区域
       Enter: ({ editor }) => {
         const { $from, empty } = editor.state.selection;
@@ -107,6 +183,12 @@ export const MembersOnly = Node.create({
         const isEmptyBlock = parent.textContent.trim().length === 0;
         if (!atBlockEnd || !isEmptyBlock) return false;
 
+        // 整块为空时直接删除，避免退出后仍残留空登录可见壳
+        const membersNode = $from.node(depth);
+        if (isMembersOnlyEmpty(membersNode) && membersNode.childCount <= 1) {
+          return editor.commands.removeMembersOnly();
+        }
+
         return editor.commands.exitMembersOnly();
       },
       // Ctrl+Enter / Cmd+Enter 退出到公开区域
@@ -162,7 +244,25 @@ export const MembersOnly = Node.create({
 
         const pos = $from.before(depth);
         const node = $from.node(depth);
-        tr.replaceWith(pos, pos + node.nodeSize, node.content);
+
+        // 空区块：直接删除，避免留下空段落套壳
+        if (isMembersOnlyEmpty(node)) {
+          tr.delete(pos, pos + node.nodeSize);
+        } else {
+          tr.replaceWith(pos, pos + node.nodeSize, node.content);
+        }
+        if (dispatch) dispatch(tr);
+        return true;
+      },
+
+      removeMembersOnly: () => ({ tr, state, dispatch }) => {
+        const { $from } = state.selection;
+        const depth = findMembersOnlyDepth($from);
+        if (depth < 0) return false;
+
+        const pos = $from.before(depth);
+        const node = $from.node(depth);
+        tr.delete(pos, pos + node.nodeSize);
         if (dispatch) dispatch(tr);
         return true;
       },