diff --git a/mindspace-publications.mjs b/mindspace-publications.mjs
index 2844732..fe9fa01 100644
--- a/mindspace-publications.mjs
+++ b/mindspace-publications.mjs
@@ -296,6 +296,7 @@ export function createPublicationService(pool, options = {}) {
   const h5Root = options.h5Root ?? null;
   const idFactory = options.idFactory ?? (() => crypto.randomUUID());
   const publicPageLimitFallback = Number(options.publicPageLimit ?? 5);
+  const conversationPackageRegistry = options.conversationPackageRegistry ?? null;
 
   let imgproxySigner = null;
   if (process.env.IMGPROXY_BASE_URL && process.env.IMGPROXY_SIGNING_KEY && process.env.IMGPROXY_SIGNING_SALT) {
@@ -362,6 +363,7 @@ export function createPublicationService(pool, options = {}) {
   const loadVersion = async (userId, pageId, pageVersionId) => {
     const [rows] = await pool.query(
       `SELECT p.id AS page_id, p.title, p.summary, p.page_type, p.template_id, p.current_version_id,
+              p.source_session_id, p.source_message_id,
               p.user_id, p.space_id, pv.id AS page_version_id, pv.version_no,
               pv.bundle_asset_id, av.storage_key,
               JSON_UNQUOTE(JSON_EXTRACT(pv.source_snapshot_json, '$.relative_path')) AS source_relative_path
@@ -729,7 +731,7 @@ export function createPublicationService(pool, options = {}) {
       }
 
       await conn.commit();
-      return {
+      const publication = {
         ...publicationResponse({
           id: publishId,
           page_id: pageId,
@@ -745,6 +747,17 @@ export function createPublicationService(pool, options = {}) {
         }),
         findings: result.findings,
       };
+      await registerPublicationArtifactForConversation({
+        registry: conversationPackageRegistry,
+        userId,
+        page,
+        publication,
+        bundleAssetId,
+        storageKey,
+        htmlBytes,
+        now,
+      });
+      return publication;
     } catch (error) {
       await conn.rollback();
       if (writtenPath) await fs.rm(writtenPath, { force: true }).catch(() => {});
@@ -1046,6 +1059,53 @@ export function createPublicationService(pool, options = {}) {
   };
 }
 
+async function registerPublicationArtifactForConversation({
+  registry,
+  userId,
+  page,
+  publication,
+  bundleAssetId,
+  storageKey,
+  htmlBytes,
+  now,
+}) {
+  const sessionId = String(page?.source_session_id ?? '').trim();
+  if (!registry || !sessionId || !publication?.id) return null;
+  try {
+    const packageRecord = await registry.ensurePackage({
+      userId,
+      sessionId,
+      title: page.title,
+      now,
+    });
+    const artifact = await registry.recordArtifact({
+      id: `ca_${publication.id}`,
+      packageId: packageRecord.id,
+      artifactKind: 'public_html',
+      role: 'assistant',
+      assetId: bundleAssetId,
+      pageId: page.page_id,
+      publicationId: publication.id,
+      messageId: page.source_message_id ?? null,
+      displayName: `${page.title}.html`,
+      mimeType: 'text/html',
+      sizeBytes: htmlBytes,
+      storageKey,
+      canonicalUrl: publication.publicUrl,
+      sortOrder: Number.isFinite(Number(publication.publishedAt)) ? Number(publication.publishedAt) : 0,
+      now,
+    });
+    await registry.writeManifestForSession({ userId, sessionId });
+    return artifact;
+  } catch (error) {
+    console.warn(
+      '[MindSpace] conversation package publication artifact registration failed:',
+      error instanceof Error ? error.message : error,
+    );
+    return null;
+  }
+}
+
 export const publicationInternals = {
   normalizeSlug,
   normalizeAccessMode,
@@ -1062,5 +1122,6 @@ export const publicationInternals = {
   rewriteWorkspacePublicAssetReferences,
   localizePrivateImageReferences,
   prepareHtmlPublishContent,
+  registerPublicationArtifactForConversation,
   scanContent, // re-exported from mindspace-content-scan.mjs
 };
diff --git a/mindspace-publications.test.mjs b/mindspace-publications.test.mjs
index ec0e3b6..222184d 100644
--- a/mindspace-publications.test.mjs
+++ b/mindspace-publications.test.mjs
@@ -219,6 +219,74 @@ test('prepareHtmlPublishContent rewrites imgproxy local image urls to public sta
   assert.doesNotMatch(prepared, /plain\/local:\/\//);
 });
 
+test('registerPublicationArtifactForConversation records public html artifact', async () => {
+  const calls = [];
+  const registry = {
+    async ensurePackage(input) {
+      calls.push(['ensurePackage', input]);
+      return { id: 'cp_session-1' };
+    },
+    async recordArtifact(input) {
+      calls.push(['recordArtifact', input]);
+      return input;
+    },
+    async writeManifestForSession(input) {
+      calls.push(['writeManifestForSession', input]);
+      return { storageKey: 'users/user-1/conversations/session-1/manifest.json' };
+    },
+  };
+
+  const result = await publicationInternals.registerPublicationArtifactForConversation({
+    registry,
+    userId: 'user-1',
+    page: {
+      page_id: 'page-1',
+      title: '发布页',
+      source_session_id: 'session-1',
+      source_message_id: 'message-1',
+    },
+    publication: {
+      id: 'pub-1',
+      publicUrl: 'https://m.tkmind.cn/u/john/pages/published',
+      publishedAt: 3000,
+    },
+    bundleAssetId: 'asset-pub',
+    storageKey: 'users/user-1/publications/pub-1/index.html',
+    htmlBytes: 256,
+    now: 3000,
+  });
+
+  assert.equal(result.id, 'ca_pub-1');
+  assert.deepEqual(calls[0], [
+    'ensurePackage',
+    {
+      userId: 'user-1',
+      sessionId: 'session-1',
+      title: '发布页',
+      now: 3000,
+    },
+  ]);
+  assert.equal(calls[1][1].artifactKind, 'public_html');
+  assert.equal(calls[1][1].publicationId, 'pub-1');
+  assert.equal(calls[1][1].canonicalUrl, 'https://m.tkmind.cn/u/john/pages/published');
+  assert.deepEqual(calls[2], [
+    'writeManifestForSession',
+    { userId: 'user-1', sessionId: 'session-1' },
+  ]);
+});
+
+test('registerPublicationArtifactForConversation skips pages without source session', async () => {
+  assert.equal(
+    await publicationInternals.registerPublicationArtifactForConversation({
+      registry: { ensurePackage: async () => assert.fail('should not be called') },
+      userId: 'user-1',
+      page: { page_id: 'page-1', title: '发布页' },
+      publication: { id: 'pub-1' },
+    }),
+    null,
+  );
+});
+
 test('prepareHtmlPublishContent rewrites imgproxy urls in srcset and css url contexts', async () => {
   const prepared = await publicationInternals.prepareHtmlPublishContent({
     pool: {
diff --git a/server.mjs b/server.mjs
index 2722fd8..ef5a9ff 100644
--- a/server.mjs
+++ b/server.mjs
@@ -339,6 +339,7 @@ async function bootstrapUserAuth() {
       h5Root: __dirname,
       storageRoot: mindSpaceStorageRoot,
       publicPageLimit: Number(process.env.MINDSPACE_FREE_PUBLIC_PAGE_LIMIT ?? 5),
+      conversationPackageRegistry,
     });
     setInterval(async () => {
       try {