feat: release chat and mindspace UI updates

mindspace-pages.mjs

@@ -537,6 +537,22 @@ export function createPageService(pool, options = {}) {
     return rows[0] ? pageResponse(rows[0]) : null;
   };
 
+  const findPageBySourceMessage = async (userId, sessionId, messageId) => {
+    if (!sessionId || !messageId) return null;
+    const [rows] = await pool.query(
+      `SELECT p.*, c.category_code, pv.version_no, pr.access_mode AS pub_access_mode, pr.public_url AS pub_public_url
+       FROM h5_page_records p
+       JOIN h5_space_categories c ON c.id = p.category_id AND c.user_id = p.user_id
+       LEFT JOIN h5_page_versions pv ON pv.id = p.current_version_id
+       LEFT JOIN h5_publish_records pr ON pr.id = p.current_publish_id AND pr.status = 'online'
+       WHERE p.user_id = ? AND p.source_session_id = ? AND p.source_message_id = ? AND p.status <> 'deleted'
+       ORDER BY p.updated_at DESC
+       LIMIT 1`,
+      [userId, sessionId, messageId],
+    );
+    return rows[0] ? pageResponse(rows[0]) : null;
+  };
+
   const listPages = async (userId, filters = {}) => {
     const clauses = [`p.user_id = ?`, `p.status <> 'deleted'`];
     const params = [userId];
@@ -1148,6 +1164,7 @@ export function createPageService(pool, options = {}) {
     createRedactedCopy: redactPage,
     listPages,
     findPageBySourceAsset,
+    findPageBySourceMessage,
     getPage,
     getDeletePreview,
     deletePage,
@@ -1211,6 +1228,50 @@ export const pageInternals = {
   buildPageDeleteSummary,
 };
 
+export async function inlinePrivateAssetsInHtml(pool, storageRoot, userId, html) {
+  const PATTERN =
+    /(?:https?:\/\/[^/]+)?\/api\/mindspace\/v1\/assets\/([a-z0-9-]+)\/download(?:\?[^"'<>\\\s)]*)?/gi;
+  const resolvedRoot = path.resolve(storageRoot);
+  const absoluteStoragePath = (key) => {
+    const resolved = path.resolve(resolvedRoot, key);
+    if (resolved !== resolvedRoot && !resolved.startsWith(`${resolvedRoot}${path.sep}`)) {
+      throw Object.assign(new Error('路径越界'), { code: 'invalid_storage_path' });
+    }
+    return resolved;
+  };
+
+  const matches = [...String(html).matchAll(PATTERN)];
+  if (matches.length === 0) return { html, count: 0 };
+
+  const assetIds = [...new Set(matches.map((m) => m[1]).filter(Boolean))];
+  const [assets] = await pool.query(
+    `SELECT a.id, a.mime_type, a.original_filename, v.storage_key
+     FROM h5_assets a
+     JOIN h5_asset_versions v ON v.id = a.current_version_id
+     WHERE a.user_id = ? AND a.id IN (?) AND a.mime_type LIKE 'image/%'
+       AND a.status <> 'deleted'`,
+    [userId, assetIds],
+  );
+  const dataUriMap = new Map();
+  for (const asset of assets) {
+    try {
+      const buffer = await fs.readFile(absoluteStoragePath(asset.storage_key));
+      dataUriMap.set(asset.id, `data:${asset.mime_type};base64,${buffer.toString('base64')}`);
+    } catch {
+      // skip unreadable assets
+    }
+  }
+
+  let count = 0;
+  const result = String(html).replace(PATTERN, (_match, assetId) => {
+    const uri = dataUriMap.get(assetId);
+    if (!uri) return '';
+    count += 1;
+    return uri;
+  });
+  return { html: result, count };
+}
+
 export function buildPageDeleteSummary(preview) {
   const lines = [
     `页面「${preview.page.title}」及其 ${preview.page.versionCount} 个版本`,