diff --git a/mindspace-conversation-package-store.mjs b/mindspace-conversation-package-store.mjs
new file mode 100644
index 0000000..2508dca
--- /dev/null
+++ b/mindspace-conversation-package-store.mjs
@@ -0,0 +1,166 @@
+import {
+  buildConversationPackageManifest,
+  createConversationArtifact,
+  createConversationPackageRecord,
+} from './mindspace-conversation-package.mjs';
+
+function storeError(message, code) {
+  return Object.assign(new Error(message), { code });
+}
+
+function requirePool(pool) {
+  if (!pool || typeof pool.query !== 'function') {
+    throw storeError('MindSpace conversation package store requires a queryable pool', 'missing_query_pool');
+  }
+  return pool;
+}
+
+function packageFromRow(row) {
+  if (!row) return null;
+  return createConversationPackageRecord({
+    id: row.id,
+    userId: row.user_id,
+    sessionId: row.session_id,
+    title: row.title,
+    status: row.status,
+    storagePrefix: row.storage_prefix,
+    manifestAssetId: row.manifest_asset_id,
+    createdAt: Number(row.created_at),
+    updatedAt: Number(row.updated_at),
+  });
+}
+
+function artifactFromRow(row) {
+  if (!row) return null;
+  return createConversationArtifact({
+    id: row.id,
+    packageId: row.package_id,
+    artifactKind: row.artifact_kind,
+    role: row.role,
+    assetId: row.asset_id,
+    pageId: row.page_id,
+    publicationId: row.publication_id,
+    agentRunId: row.agent_run_id,
+    messageId: row.message_id,
+    displayName: row.display_name,
+    mimeType: row.mime_type,
+    sizeBytes: row.size_bytes == null ? null : Number(row.size_bytes),
+    storageKey: row.storage_key,
+    canonicalUrl: row.canonical_url,
+    sortOrder: Number(row.sort_order ?? 0),
+    createdAt: Number(row.created_at),
+  });
+}
+
+export function createConversationPackageStore(pool) {
+  const db = requirePool(pool);
+
+  return {
+    async upsertPackage(input) {
+      const record = createConversationPackageRecord(input);
+      await db.query(
+        `INSERT INTO h5_conversation_packages
+          (id, user_id, session_id, title, status, storage_prefix, manifest_asset_id, created_at, updated_at)
+         VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
+         ON DUPLICATE KEY UPDATE
+          title = VALUES(title),
+          status = VALUES(status),
+          storage_prefix = VALUES(storage_prefix),
+          manifest_asset_id = VALUES(manifest_asset_id),
+          updated_at = VALUES(updated_at)`,
+        [
+          record.id,
+          record.userId,
+          record.sessionId,
+          record.title,
+          record.status,
+          record.storagePrefix,
+          record.manifestAssetId,
+          record.createdAt,
+          record.updatedAt,
+        ],
+      );
+      return record;
+    },
+
+    async getPackageBySession(userId, sessionId) {
+      const [rows] = await db.query(
+        `SELECT id, user_id, session_id, title, status, storage_prefix, manifest_asset_id, created_at, updated_at
+         FROM h5_conversation_packages
+         WHERE user_id = ? AND session_id = ?
+         LIMIT 1`,
+        [userId, sessionId],
+      );
+      return packageFromRow(rows?.[0]);
+    },
+
+    async upsertArtifact(input) {
+      const artifact = createConversationArtifact(input);
+      await db.query(
+        `INSERT INTO h5_conversation_artifacts
+          (id, package_id, artifact_kind, role, asset_id, page_id, publication_id, agent_run_id,
+           message_id, display_name, mime_type, size_bytes, storage_key, canonical_url, sort_order, created_at)
+         VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+         ON DUPLICATE KEY UPDATE
+          artifact_kind = VALUES(artifact_kind),
+          role = VALUES(role),
+          asset_id = VALUES(asset_id),
+          page_id = VALUES(page_id),
+          publication_id = VALUES(publication_id),
+          agent_run_id = VALUES(agent_run_id),
+          message_id = VALUES(message_id),
+          display_name = VALUES(display_name),
+          mime_type = VALUES(mime_type),
+          size_bytes = VALUES(size_bytes),
+          storage_key = VALUES(storage_key),
+          canonical_url = VALUES(canonical_url),
+          sort_order = VALUES(sort_order)`,
+        [
+          artifact.id,
+          artifact.packageId,
+          artifact.artifactKind,
+          artifact.role,
+          artifact.assetId,
+          artifact.pageId,
+          artifact.publicationId,
+          artifact.agentRunId,
+          artifact.messageId,
+          artifact.displayName,
+          artifact.mimeType,
+          artifact.sizeBytes,
+          artifact.storageKey,
+          artifact.canonicalUrl,
+          artifact.sortOrder,
+          artifact.createdAt,
+        ],
+      );
+      return artifact;
+    },
+
+    async listArtifacts(packageId) {
+      const [rows] = await db.query(
+        `SELECT id, package_id, artifact_kind, role, asset_id, page_id, publication_id, agent_run_id,
+                message_id, display_name, mime_type, size_bytes, storage_key, canonical_url, sort_order, created_at
+         FROM h5_conversation_artifacts
+         WHERE package_id = ?
+         ORDER BY sort_order ASC, created_at ASC, id ASC`,
+        [packageId],
+      );
+      return (rows ?? []).map(artifactFromRow);
+    },
+
+    async buildManifestForSession({ userId, sessionId }) {
+      const packageRecord = await this.getPackageBySession(userId, sessionId);
+      if (!packageRecord) return null;
+      const artifacts = await this.listArtifacts(packageRecord.id);
+      return buildConversationPackageManifest({ packageRecord, artifacts });
+    },
+  };
+}
+
+export const conversationPackageStoreInternals = {
+  artifactFromRow,
+  packageFromRow,
+  requirePool,
+  storeError,
+};
diff --git a/mindspace-conversation-package-store.test.mjs b/mindspace-conversation-package-store.test.mjs
new file mode 100644
index 0000000..4aee3f8
--- /dev/null
+++ b/mindspace-conversation-package-store.test.mjs
@@ -0,0 +1,157 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { createConversationPackageStore } from './mindspace-conversation-package-store.mjs';
+
+function createFakePool() {
+  const packages = new Map();
+  const artifacts = new Map();
+  const queries = [];
+  return {
+    queries,
+    async query(sql, params = []) {
+      queries.push({ sql, params });
+      if (/INSERT INTO h5_conversation_packages/i.test(sql)) {
+        const [
+          id,
+          user_id,
+          session_id,
+          title,
+          status,
+          storage_prefix,
+          manifest_asset_id,
+          created_at,
+          updated_at,
+        ] = params;
+        packages.set(`${user_id}:${session_id}`, {
+          id,
+          user_id,
+          session_id,
+          title,
+          status,
+          storage_prefix,
+          manifest_asset_id,
+          created_at,
+          updated_at,
+        });
+        return [{ affectedRows: 1 }];
+      }
+      if (/FROM h5_conversation_packages/i.test(sql)) {
+        return [[packages.get(`${params[0]}:${params[1]}`)].filter(Boolean)];
+      }
+      if (/INSERT INTO h5_conversation_artifacts/i.test(sql)) {
+        const [
+          id,
+          package_id,
+          artifact_kind,
+          role,
+          asset_id,
+          page_id,
+          publication_id,
+          agent_run_id,
+          message_id,
+          display_name,
+          mime_type,
+          size_bytes,
+          storage_key,
+          canonical_url,
+          sort_order,
+          created_at,
+        ] = params;
+        artifacts.set(id, {
+          id,
+          package_id,
+          artifact_kind,
+          role,
+          asset_id,
+          page_id,
+          publication_id,
+          agent_run_id,
+          message_id,
+          display_name,
+          mime_type,
+          size_bytes,
+          storage_key,
+          canonical_url,
+          sort_order,
+          created_at,
+        });
+        return [{ affectedRows: 1 }];
+      }
+      if (/FROM h5_conversation_artifacts/i.test(sql)) {
+        const packageId = params[0];
+        const rows = [...artifacts.values()]
+          .filter((row) => row.package_id === packageId)
+          .sort(
+            (a, b) =>
+              Number(a.sort_order) - Number(b.sort_order) ||
+              Number(a.created_at) - Number(b.created_at) ||
+              String(a.id).localeCompare(String(b.id)),
+          );
+        return [rows];
+      }
+      throw new Error(`unexpected query: ${sql}`);
+    },
+  };
+}
+
+test('createConversationPackageStore requires a queryable pool', () => {
+  assert.throws(
+    () => createConversationPackageStore({}),
+    (error) => error.code === 'missing_query_pool',
+  );
+});
+
+test('conversation package store upserts package metadata and builds manifest', async () => {
+  const pool = createFakePool();
+  const store = createConversationPackageStore(pool);
+  const packageRecord = await store.upsertPackage({
+    userId: 'user-1',
+    sessionId: 'session-1',
+    title: '旅行计划',
+    now: 1000,
+  });
+
+  assert.equal(packageRecord.id, 'cp_session-1');
+  assert.equal(packageRecord.storagePrefix, 'users/user-1/conversations/session-1');
+  assert.match(pool.queries[0].sql, /ON DUPLICATE KEY UPDATE/);
+
+  await store.upsertArtifact({
+    id: 'ca_late',
+    packageId: packageRecord.id,
+    artifactKind: 'public_html',
+    displayName: 'plan.html',
+    storageKey: 'users/user-1/conversations/session-1/public/plan.html',
+    canonicalUrl: 'https://m.tkmind.cn/MindSpace/user-1/public/plan.html',
+    sortOrder: 2,
+    now: 3000,
+  });
+  await store.upsertArtifact({
+    id: 'ca_first',
+    packageId: packageRecord.id,
+    artifactKind: 'input_image',
+    displayName: 'cover.png',
+    sortOrder: 1,
+    now: 2000,
+  });
+
+  const manifest = await store.buildManifestForSession({
+    userId: 'user-1',
+    sessionId: 'session-1',
+  });
+
+  assert.equal(manifest.packageId, 'cp_session-1');
+  assert.equal(manifest.uri, 'mindspace://users/user-1/conversations/session-1');
+  assert.deepEqual(
+    manifest.artifacts.map((artifact) => artifact.artifactId),
+    ['ca_first', 'ca_late'],
+  );
+  assert.equal(
+    manifest.artifacts[1].canonicalUrl,
+    'https://m.tkmind.cn/MindSpace/user-1/public/plan.html',
+  );
+});
+
+test('conversation package store returns null manifest for missing session', async () => {
+  const store = createConversationPackageStore(createFakePool());
+  assert.equal(await store.buildManifestForSession({ userId: 'user-1', sessionId: 'missing' }), null);
+});
diff --git a/package.json b/package.json
index c550db1..e9a0b20 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "build:portal-runtime": "node scripts/build-portal-runtime.mjs",
     "check:mindspace-public-links": "node scripts/check-mindspace-public-links.mjs --downloads-only",
     "check:mindspace-public-links:all": "node scripts/check-mindspace-public-links.mjs --all-links",
-    "test": "node --test auth.test.mjs asr-proxy.test.mjs billing.test.mjs billing-recharge.test.mjs wechat-pay.test.mjs wechat-oauth.test.mjs wechat-mp.test.mjs schedule-intent.test.mjs schedule-reminder-worker.test.mjs capabilities.test.mjs policies.test.mjs chat-skills.test.mjs chat-finish-sync.test.mjs conversation-display.test.mjs user-publish.test.mjs user-memory-profile.test.mjs skills-registry.test.mjs agent-run-gateway.test.mjs agent-run-routes.test.mjs tool-gateway.test.mjs mindspace.test.mjs mindspace-scan.test.mjs mindspace-assets.test.mjs mindspace-pages.test.mjs mindspace-html-download-links.test.mjs mindspace-page-purge.test.mjs mindspace-publications.test.mjs mindspace-public-links.test.mjs mindspace-chat-save.test.mjs mindspace-public-finish-sync.test.mjs mindspace-chat-context.test.mjs mindspace-canonical-url.test.mjs mindspace-conversation-package.test.mjs mindspace-conversation-schema.test.mjs mindspace-service.test.mjs mindspace-storage-adapter.test.mjs mindspace-content-scan.test.mjs mindspace-html-localize.test.mjs mindspace-visual-editor.test.mjs mindspace-cleanup.test.mjs mindspace-thumbnails.test.mjs mindspace-workspace-thumbnails.test.mjs mindspace-workspace-sync.test.mjs mindspace-asset-preview.test.mjs mindspace-agent-jobs.test.mjs mindspace-agent-runner.test.mjs mindspace-sandbox-mcp.test.mjs message-stream.test.mjs plaza-posts.test.mjs plaza-interactions.test.mjs plaza-algorithm.test.mjs plaza-seo.test.mjs plaza-ops.test.mjs user-auth.test.mjs llm-providers.test.mjs admin-guard.test.mjs user-feedback.test.mjs",
+    "test": "node --test auth.test.mjs asr-proxy.test.mjs billing.test.mjs billing-recharge.test.mjs wechat-pay.test.mjs wechat-oauth.test.mjs wechat-mp.test.mjs schedule-intent.test.mjs schedule-reminder-worker.test.mjs capabilities.test.mjs policies.test.mjs chat-skills.test.mjs chat-finish-sync.test.mjs conversation-display.test.mjs user-publish.test.mjs user-memory-profile.test.mjs skills-registry.test.mjs agent-run-gateway.test.mjs agent-run-routes.test.mjs tool-gateway.test.mjs mindspace.test.mjs mindspace-scan.test.mjs mindspace-assets.test.mjs mindspace-pages.test.mjs mindspace-html-download-links.test.mjs mindspace-page-purge.test.mjs mindspace-publications.test.mjs mindspace-public-links.test.mjs mindspace-chat-save.test.mjs mindspace-public-finish-sync.test.mjs mindspace-chat-context.test.mjs mindspace-canonical-url.test.mjs mindspace-conversation-package.test.mjs mindspace-conversation-package-store.test.mjs mindspace-conversation-schema.test.mjs mindspace-service.test.mjs mindspace-storage-adapter.test.mjs mindspace-content-scan.test.mjs mindspace-html-localize.test.mjs mindspace-visual-editor.test.mjs mindspace-cleanup.test.mjs mindspace-thumbnails.test.mjs mindspace-workspace-thumbnails.test.mjs mindspace-workspace-sync.test.mjs mindspace-asset-preview.test.mjs mindspace-agent-jobs.test.mjs mindspace-agent-runner.test.mjs mindspace-sandbox-mcp.test.mjs message-stream.test.mjs plaza-posts.test.mjs plaza-interactions.test.mjs plaza-algorithm.test.mjs plaza-seo.test.mjs plaza-ops.test.mjs user-auth.test.mjs llm-providers.test.mjs admin-guard.test.mjs user-feedback.test.mjs",
     "verify:chat-finish-sync": "node scripts/verify-chat-finish-sync.mjs",
     "verify:public-finish-sync-runtime": "node scripts/verify-public-finish-sync-runtime.mjs",
     "verify:mindspace-publish-guards": "node scripts/verify-mindspace-publish-guards.mjs",