refactor: Business logic and dependencies updates

- 核心服务代码更新 (db, server, auth, proxy)
- Agent 相关模块更新 (mindspace, experience)
- 前端组件和 hooks 更新
- 数据库 schema 更新
- 依赖版本更新

src/components/MindSpacePageDetail.tsx

@@ -13,6 +13,7 @@ import {
   publishPageToPlaza,
   redactMindSpacePage,
   updateMindSpacePage,
+  updatePublicationStatus,
 } from '../api/client';
 import type {
   MindSpacePage,
@@ -288,6 +289,8 @@ export function MindSpacePageDetail({
     pageTitle: string;
     pushedToPlaza: boolean;
   } | null>(null);
+  const [confirmPublicationStatusOpen, setConfirmPublicationStatusOpen] = useState(false);
+  const [statusConfirming, setStatusConfirming] = useState(false);
 
   const applyPageRecord = useCallback(
     (next: MindSpacePage, options?: { recordHistory?: boolean }) => {
@@ -334,6 +337,13 @@ export function MindSpacePageDetail({
           ? await getMindSpacePublicationStats(next.publication.id).catch(() => null)
           : null,
       );
+      if (
+        next.publication &&
+        next.publication.accessMode === 'public' &&
+        next.publication.userConfirmedAt === null
+      ) {
+        setConfirmPublicationStatusOpen(true);
+      }
     } catch (err) {
       setError(err instanceof Error ? err.message : '页面加载失败');
     } finally {
@@ -434,6 +444,34 @@ export function MindSpacePageDetail({
     }
   };
 
+  const confirmPublicationStatus = async (nextAccessMode: AccessMode) => {
+    if (!page || !page.publication) return;
+    setStatusConfirming(true);
+    try {
+      const nextExpiresAt =
+        nextAccessMode === 'public'
+          ? null
+          : nextAccessMode === 'time_limited'
+            ? Date.now() + 30 * 60 * 1000
+            : null;
+      const updated = await updatePublicationStatus(page.publication.id, {
+        accessMode: nextAccessMode,
+        expiresAt: nextExpiresAt,
+      });
+      setPage({ ...page, publication: updated });
+      setAccessMode(updated.accessMode);
+      setExpiresAt(
+        updated.expiresAt ? localDateTimeValue(updated.expiresAt) : '',
+      );
+      setConfirmPublicationStatusOpen(false);
+      setError(null);
+    } catch (err) {
+      setError(err instanceof Error ? err.message : '更新发布状态失败');
+    } finally {
+      setStatusConfirming(false);
+    }
+  };
+
   const offlineFromSuccess = async () => {
     if (!publishSuccess) return;
     setPublishing(true);
@@ -1395,7 +1433,13 @@ export function MindSpacePageDetail({
         ))}
       </section>
     </section>
-    {sharePayload ? <ShareSheet payload={sharePayload} onClose={() => setSharePayload(null)} /> : null}
+    {sharePayload ? (
+      <ShareSheet
+        payload={sharePayload}
+        publication={page?.publication}
+        onClose={() => setSharePayload(null)}
+      />
+    ) : null}
 
       {fullscreenPreviewOpen && page && page.contentFormat === 'html' ? (
         <MindSpacePageFullscreenPreview
@@ -1414,6 +1458,38 @@ export function MindSpacePageDetail({
           onContentChange={handlePreviewContentChange}
         />
       ) : null}
+
+      {confirmPublicationStatusOpen && page?.publication ? (
+        <MindSpaceModal className="mindspace-confirm-publication-status-modal">
+          <div className="mindspace-modal-content">
+            <h3>页面预览期确认</h3>
+            <p>你的页面当前处于 30 分钟预览期。请选择后续状态：</p>
+            <div className="mindspace-modal-actions">
+              <button
+                className="mindspace-secondary"
+                disabled={statusConfirming}
+                onClick={() => confirmPublicationStatus('private')}
+              >
+                {statusConfirming ? '处理中...' : '改为私有'}
+              </button>
+              <button
+                className="mindspace-secondary"
+                disabled={statusConfirming}
+                onClick={() => confirmPublicationStatus('time_limited')}
+              >
+                {statusConfirming ? '处理中...' : '再预览 30 分钟'}
+              </button>
+              <button
+                className="mindspace-primary"
+                disabled={statusConfirming}
+                onClick={() => confirmPublicationStatus('public')}
+              >
+                {statusConfirming ? '处理中...' : '发布为永久公开'}
+              </button>
+            </div>
+          </div>
+        </MindSpaceModal>
+      ) : null}
     </>
   );
 }

src/components/ShareSheet.tsx

@@ -1,4 +1,5 @@
-import { useState } from 'react';
+import { useState, useEffect } from 'react';
+import type { MindSpacePublication } from '../types';
 import {
   SHARE_CHANNELS,
   canUseNativeShare,
@@ -10,13 +11,37 @@ import {
 
 export function ShareSheet({
   payload,
+  publication,
   onClose,
 }: {
   payload: SharePayload;
+  publication?: MindSpacePublication | null;
   onClose: () => void;
 }) {
   const [message, setMessage] = useState<string | null>(null);
   const [busy, setBusy] = useState(false);
+  const [expiresInMinutes, setExpiresInMinutes] = useState<number | null>(null);
+
+  useEffect(() => {
+    if (!publication || publication.accessMode !== 'public' || publication.userConfirmedAt !== null) {
+      setExpiresInMinutes(null);
+      return;
+    }
+    if (!publication.expiresAt) {
+      setExpiresInMinutes(null);
+      return;
+    }
+
+    const update = () => {
+      const now = Date.now();
+      const remaining = Math.ceil((publication.expiresAt! - now) / (1000 * 60));
+      setExpiresInMinutes(Math.max(0, remaining));
+    };
+    update();
+
+    const interval = setInterval(update, 10000);
+    return () => clearInterval(interval);
+  }, [publication]);
 
   const handleChannel = async (channel: ShareChannel) => {
     setBusy(true);
@@ -60,6 +85,15 @@ export function ShareSheet({
             <p className="share-sheet-eyebrow">SHARE</p>
             <h2 id="share-sheet-title">分享到</h2>
             <p className="share-sheet-subtitle">{payload.title}</p>
+            {expiresInMinutes !== null && (
+              <p className="share-sheet-preview-notice">
+                ⏱️ 预览还剩{' '}
+                <strong>
+                  {expiresInMinutes > 0 ? `${expiresInMinutes} 分钟` : '不到 1 分钟'}
+                </strong>
+                ，之后仅你能看到。确认发布为永久公开？
+              </p>
+            )}
           </div>
           <button type="button" className="share-sheet-close" onClick={onClose} aria-label="关闭">
             ×