diff --git a/docs/103-runtime-topology.md b/docs/103-runtime-topology.md
index 2f4ab0d..1ce6517 100644
--- a/docs/103-runtime-topology.md
+++ b/docs/103-runtime-topology.md
@@ -68,6 +68,11 @@ not be reused.
 
 `/Users/john/MindSpace` is the production MindSpace service root. Do not treat `/Users/john/Project/Memind/MindSpace` as the canonical MindSpace service root after the split.
 
+`/health` and `/mindspace/v1/contract` expose the MindSpace service contract
+version and build metadata. Production release scripts must reject a service
+whose contract version is stale, whose required authority bindings are missing,
+or whose `gitSha` does not match the runtime artifact manifest.
+
 ## goosed
 
 103 goosed runs in Colima/Docker, not as native launchd processes.
diff --git a/docs/local-dev.md b/docs/local-dev.md
index 9fa22e0..69bfaeb 100644
--- a/docs/local-dev.md
+++ b/docs/local-dev.md
@@ -133,6 +133,18 @@ runtime artifact。它会读取本机配置的开发数据库并创建唯一的
 `split-service-smoke-*` session/package 记录，退出时会清理对应
 package/artifact，并把临时文件根删除。
 
+remote adapter 会在 Portal 启动时校验 `/mindspace/v1/contract` 的
+`contractVersion`、required capabilities 与关键 binding。如果本机
+`8082` 仍是旧 MindSpace runtime，Portal 会 fail-fast，而不是等到
+页面交付时才出现 `Unknown binding`。
+
+排查 package / artifact / public URL 链路：
+
+```bash
+npm run audit:conversation-packages -- --limit 100
+npm run trace:mindspace-artifact -- --public-url http://127.0.0.1:5173/MindSpace/<owner>/public/page.html
+```
+
 启动后 Portal 日志应出现：`[Portal] Runtime profile: MEMIND_RUNTIME_PROFILE=local, MINDSPACE_SERVER_ADAPTER=local, ...`
 
 **禁止：** 把 103 生产 `.env`、RDS 连接串、`MINDSPACE_REMOTE_AUTH_TOKEN` 生产值复制进本机 Git 仓库。
diff --git a/docs/mindspace-seamless-migration-runbook.md b/docs/mindspace-seamless-migration-runbook.md
index 8d467d3..bd071ea 100644
--- a/docs/mindspace-seamless-migration-runbook.md
+++ b/docs/mindspace-seamless-migration-runbook.md
@@ -47,6 +47,9 @@ Phase A is complete when:
 - Shared adapter contract
 - Local and remote adapter selection
 - Remote transport with auth token, timeout, and configurable operation path
+- Remote contract fail-fast: Portal rejects a standalone MindSpace service
+  whose `/mindspace/v1/contract` is below the required contract version or
+  missing required authority bindings
 - Remote mode skips Memind-side generated-page workspace sync; background jobs stay on the standalone MindSpace runtime
 
 ### Standalone MindSpace service
@@ -57,7 +60,9 @@ Path:
 Responsibilities:
 - bootstrap DB-backed local MindSpace services
 - expose `POST /mindspace/v1/adapter/:binding/:method`
-- expose `/health` and `/mindspace/v1/contract`
+- expose `/health` and `/mindspace/v1/contract`; both include the service
+  contract version, and `/contract` also includes required capabilities,
+  bindings, `buildId`, `gitSha`, and `builtAt`
 - manage publication cleanup
 - manage optional workspace maintenance
 - manage optional agent worker
@@ -147,6 +152,19 @@ The smoke uses the configured local development database to create a unique
 `split-service-smoke-*` session/package and removes those package/artifact
 rows plus its temporary filesystem root before exit.
 
+Contract and artifact diagnostics:
+
+```bash
+npm run audit:conversation-packages -- --limit 100
+npm run trace:mindspace-artifact -- --package-id cp_20260727_16
+npm run trace:mindspace-artifact -- --public-url http://127.0.0.1:5173/MindSpace/<owner>/public/page.html
+```
+
+`audit:conversation-packages -- --repair` is intentionally narrow: it only
+inserts missing `public_html` artifact records when a `generated_file`
+artifact already points to a `public/*.html` `h5_assets` row. It does not
+rewrite physical files or change publication status.
+
 Current verified local user:
 - `1c99b83b-0454-474f-a5d2-129d34506a32`
 
diff --git a/mindspace-conversation-package-audit.mjs b/mindspace-conversation-package-audit.mjs
new file mode 100644
index 0000000..79fa494
--- /dev/null
+++ b/mindspace-conversation-package-audit.mjs
@@ -0,0 +1,250 @@
+import crypto from 'node:crypto';
+import path from 'node:path';
+
+function text(value) {
+  return String(value ?? '').trim();
+}
+
+function normalizeRelativePath(value) {
+  return text(value).replace(/\\/g, '/').replace(/^\/+/, '');
+}
+
+function isPublicHtmlPath(value) {
+  const normalized = normalizeRelativePath(value);
+  return (
+    normalized.startsWith('public/') &&
+    normalized.toLowerCase().endsWith('.html')
+  );
+}
+
+function issue(code, message, details = {}) {
+  return { code, message, ...details };
+}
+
+export function buildPublicHtmlArtifactId({
+  userId,
+  sessionId,
+  relativePath,
+}) {
+  const hash = crypto
+    .createHash('sha256')
+    .update(
+      `${text(userId)}:${text(sessionId)}:${normalizeRelativePath(relativePath)}`,
+    )
+    .digest('hex')
+    .slice(0, 16);
+  return `ca_public_html_${hash}`;
+}
+
+function artifactHasReadableReference(artifact) {
+  return Boolean(
+    text(artifact?.storage_key) ||
+      text(artifact?.storageKey) ||
+      text(artifact?.canonical_url) ||
+      text(artifact?.canonicalUrl),
+  );
+}
+
+function artifactAssetId(artifact) {
+  return text(artifact?.asset_id ?? artifact?.assetId);
+}
+
+function artifactKind(artifact) {
+  return text(artifact?.artifact_kind ?? artifact?.artifactKind);
+}
+
+function artifactDisplayName(artifact) {
+  return text(artifact?.display_name ?? artifact?.displayName);
+}
+
+function assetRelativePath(asset) {
+  return normalizeRelativePath(
+    asset?.workspace_relative_path ??
+      asset?.workspaceRelativePath,
+  );
+}
+
+function assetSize(asset) {
+  const value = Number(asset?.size_bytes ?? asset?.sizeBytes);
+  return Number.isFinite(value) ? value : null;
+}
+
+function assetUpdatedAt(asset, fallback) {
+  const value = Number(asset?.updated_at ?? asset?.updatedAt);
+  return Number.isFinite(value) ? value : fallback;
+}
+
+function packageUserId(packageRecord) {
+  return text(packageRecord?.user_id ?? packageRecord?.userId);
+}
+
+function packageSessionId(packageRecord) {
+  return text(packageRecord?.session_id ?? packageRecord?.sessionId);
+}
+
+function packageId(packageRecord) {
+  return text(packageRecord?.id ?? packageRecord?.packageId);
+}
+
+function publicHtmlKey(relativePath) {
+  return path.posix.basename(normalizeRelativePath(relativePath));
+}
+
+function canonicalPublicUrl({
+  publicBaseUrl,
+  userId,
+  relativePath,
+}) {
+  const base = text(publicBaseUrl).replace(/\/+$/, '');
+  const owner = encodeURIComponent(text(userId));
+  const encodedRelative = normalizeRelativePath(relativePath)
+    .split('/')
+    .map(encodeURIComponent)
+    .join('/');
+  return `${base}/MindSpace/${owner}/${encodedRelative}`;
+}
+
+export function auditConversationPackages({
+  packages = [],
+  artifacts = [],
+  assets = [],
+  publicBaseUrl = 'http://127.0.0.1:5173',
+} = {}) {
+  const issues = [];
+  const repairs = [];
+  const artifactsByPackage = new Map();
+  const assetsById = new Map(
+    assets.map((asset) => [text(asset?.id), asset]),
+  );
+
+  for (const artifact of artifacts) {
+    const id = text(artifact?.package_id ?? artifact?.packageId);
+    if (!id) continue;
+    const list = artifactsByPackage.get(id) ?? [];
+    list.push(artifact);
+    artifactsByPackage.set(id, list);
+  }
+
+  for (const packageRecord of packages) {
+    const id = packageId(packageRecord);
+    const userId = packageUserId(packageRecord);
+    const sessionId = packageSessionId(packageRecord);
+    const packageArtifacts = artifactsByPackage.get(id) ?? [];
+    if (packageArtifacts.length === 0) {
+      issues.push(
+        issue(
+          'package_without_artifacts',
+          `package has no artifacts: ${id}`,
+          { packageId: id, userId, sessionId },
+        ),
+      );
+      continue;
+    }
+
+    const publicHtmlArtifactNames = new Set(
+      packageArtifacts
+        .filter((artifact) => artifactKind(artifact) === 'public_html')
+        .map((artifact) => artifactDisplayName(artifact))
+        .filter(Boolean),
+    );
+
+    for (const artifact of packageArtifacts) {
+      const artifactId = text(artifact?.id);
+      if (!artifactHasReadableReference(artifact)) {
+        issues.push(
+          issue(
+            'artifact_without_backing_reference',
+            `artifact has no storageKey or canonicalUrl: ${artifactId}`,
+            { packageId: id, artifactId },
+          ),
+        );
+      }
+
+      const assetId = artifactAssetId(artifact);
+      const asset = assetId ? assetsById.get(assetId) : null;
+      if (assetId && !asset) {
+        issues.push(
+          issue(
+            'artifact_asset_missing',
+            `artifact points to a missing asset: ${assetId}`,
+            { packageId: id, artifactId, assetId },
+          ),
+        );
+        continue;
+      }
+
+      const relativePath = asset ? assetRelativePath(asset) : '';
+      if (
+        artifactKind(artifact) === 'generated_file' &&
+        isPublicHtmlPath(relativePath)
+      ) {
+        const displayName = publicHtmlKey(relativePath);
+        if (!publicHtmlArtifactNames.has(displayName)) {
+          const repair = {
+            action: 'insert_public_html_artifact',
+            packageId: id,
+            userId,
+            sessionId,
+            sourceArtifactId: artifactId,
+            sourceAssetId: assetId,
+            relativePath,
+            artifactId: buildPublicHtmlArtifactId({
+              userId,
+              sessionId,
+              relativePath,
+            }),
+            displayName,
+            mimeType: 'text/html',
+            sizeBytes:
+              assetSize(asset) ??
+              (Number(artifact?.size_bytes ?? 0) || null),
+            canonicalUrl: canonicalPublicUrl({
+              publicBaseUrl,
+              userId,
+              relativePath,
+            }),
+            sortOrder: assetUpdatedAt(
+              asset,
+              Number(artifact?.created_at ?? Date.now()),
+            ),
+          };
+          issues.push(
+            issue(
+              'missing_public_html_artifact',
+              `generated public HTML is missing public_html artifact: ${relativePath}`,
+              {
+                packageId: id,
+                artifactId,
+                assetId,
+                relativePath,
+                repair,
+              },
+            ),
+          );
+          repairs.push(repair);
+        }
+      }
+    }
+  }
+
+  return {
+    ok: issues.length === 0,
+    issues,
+    repairs,
+    summary: {
+      packageCount: packages.length,
+      artifactCount: artifacts.length,
+      assetCount: assets.length,
+      issueCount: issues.length,
+      repairCount: repairs.length,
+    },
+  };
+}
+
+export const conversationPackageAuditInternals = {
+  artifactHasReadableReference,
+  canonicalPublicUrl,
+  isPublicHtmlPath,
+  normalizeRelativePath,
+  publicHtmlKey,
+};
diff --git a/mindspace-conversation-package-audit.test.mjs b/mindspace-conversation-package-audit.test.mjs
new file mode 100644
index 0000000..827a6a6
--- /dev/null
+++ b/mindspace-conversation-package-audit.test.mjs
@@ -0,0 +1,136 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import {
+  auditConversationPackages,
+  buildPublicHtmlArtifactId,
+} from './mindspace-conversation-package-audit.mjs';
+
+test('auditConversationPackages reports empty packages', () => {
+  const result = auditConversationPackages({
+    packages: [
+      {
+        id: 'cp_session-1',
+        user_id: 'user-1',
+        session_id: 'session-1',
+      },
+    ],
+    artifacts: [],
+    assets: [],
+  });
+
+  assert.equal(result.ok, false);
+  assert.equal(result.issues[0].code, 'package_without_artifacts');
+});
+
+test('auditConversationPackages plans public_html repair for generated public HTML assets', () => {
+  const asset = {
+    id: 'asset-1',
+    workspace_relative_path: 'public/report.html',
+    size_bytes: 42,
+    updated_at: 1234,
+  };
+  const result = auditConversationPackages({
+    publicBaseUrl: 'https://example.com',
+    packages: [
+      {
+        id: 'cp_session-1',
+        user_id: 'user-1',
+        session_id: 'session-1',
+      },
+    ],
+    artifacts: [
+      {
+        id: 'ca_workspace_asset-1',
+        package_id: 'cp_session-1',
+        asset_id: 'asset-1',
+        artifact_kind: 'generated_file',
+        storage_key:
+          'workspace://user-1/public/report.html',
+        display_name: 'report.html',
+        size_bytes: 42,
+        created_at: 1000,
+      },
+    ],
+    assets: [asset],
+  });
+
+  assert.equal(result.ok, false);
+  assert.equal(result.repairs.length, 1);
+  assert.equal(
+    result.repairs[0].artifactId,
+    buildPublicHtmlArtifactId({
+      userId: 'user-1',
+      sessionId: 'session-1',
+      relativePath: 'public/report.html',
+    }),
+  );
+  assert.equal(
+    result.repairs[0].canonicalUrl,
+    'https://example.com/MindSpace/user-1/public/report.html',
+  );
+});
+
+test('auditConversationPackages accepts paired generated_file and public_html artifacts', () => {
+  const result = auditConversationPackages({
+    packages: [
+      {
+        id: 'cp_session-1',
+        user_id: 'user-1',
+        session_id: 'session-1',
+      },
+    ],
+    artifacts: [
+      {
+        id: 'ca_workspace_asset-1',
+        package_id: 'cp_session-1',
+        asset_id: 'asset-1',
+        artifact_kind: 'generated_file',
+        storage_key:
+          'workspace://user-1/public/report.html',
+        display_name: 'report.html',
+      },
+      {
+        id: 'ca_public_html_report',
+        package_id: 'cp_session-1',
+        artifact_kind: 'public_html',
+        display_name: 'report.html',
+        canonical_url:
+          'https://example.com/MindSpace/user-1/public/report.html',
+      },
+    ],
+    assets: [
+      {
+        id: 'asset-1',
+        workspace_relative_path: 'public/report.html',
+      },
+    ],
+  });
+
+  assert.equal(result.ok, true);
+  assert.equal(result.repairs.length, 0);
+});
+
+test('auditConversationPackages reports artifacts pointing at missing assets', () => {
+  const result = auditConversationPackages({
+    packages: [
+      {
+        id: 'cp_session-1',
+        user_id: 'user-1',
+        session_id: 'session-1',
+      },
+    ],
+    artifacts: [
+      {
+        id: 'ca_missing_asset',
+        package_id: 'cp_session-1',
+        asset_id: 'asset-missing',
+        artifact_kind: 'generated_file',
+        canonical_url: '/api/mindspace/v1/assets/asset-missing/download',
+      },
+    ],
+    assets: [],
+  });
+
+  assert.equal(result.ok, false);
+  assert.equal(result.issues[0].code, 'artifact_asset_missing');
+});
diff --git a/mindspace-remote-server-adapter.mjs b/mindspace-remote-server-adapter.mjs
index 92aa6f6..84d0e29 100644
--- a/mindspace-remote-server-adapter.mjs
+++ b/mindspace-remote-server-adapter.mjs
@@ -1,6 +1,9 @@
 import {
   MINDSPACE_SERVER_ADAPTER_BINDINGS,
   MINDSPACE_SERVER_ADAPTER_BINDING_KEYS,
+  MINDSPACE_SERVER_ADAPTER_CONTRACT_VERSION,
+  MINDSPACE_SERVER_ADAPTER_REQUIRED_BINDINGS,
+  MINDSPACE_SERVER_ADAPTER_REQUIRED_CAPABILITIES,
 } from './mindspace-server-adapter-contract.mjs';
 
 function trimTrailingSlash(value) {
@@ -27,6 +30,15 @@ function buildRemoteOperationUrl(endpoint, bindingKey, method, operationBasePath
   return `${base}${normalizedBasePath}/${encodeURIComponent(bindingKey)}/${encodeURIComponent(method)}`;
 }
 
+function buildRemoteContractUrl(endpoint, contractPath = '/mindspace/v1/contract') {
+  const base = resolveRemoteAdapterEndpoint(endpoint);
+  if (!base) {
+    throw new Error('MindSpace remote server adapter requires MINDSPACE_REMOTE_BASE_URL');
+  }
+  const normalizedPath = normalizeOperationBasePath(contractPath);
+  return `${base}${normalizedPath}`;
+}
+
 function throwRemoteOperationError(response, bindingKey, method, bodyText, payload) {
   const error = new Error(
     payload?.message ??
@@ -88,6 +100,114 @@ async function invokeRemoteOperation({
   }
 }
 
+function formatContractIssue(issue) {
+  if (typeof issue === 'string') return issue;
+  return JSON.stringify(issue);
+}
+
+export function validateMindSpaceRemoteContract(
+  contract,
+  {
+    minContractVersion = MINDSPACE_SERVER_ADAPTER_CONTRACT_VERSION,
+    requiredBindings = MINDSPACE_SERVER_ADAPTER_REQUIRED_BINDINGS,
+    requiredCapabilities = MINDSPACE_SERVER_ADAPTER_REQUIRED_CAPABILITIES,
+  } = {},
+) {
+  const issues = [];
+  const version = Number(contract?.contractVersion ?? 0);
+  if (!Number.isFinite(version) || version < minContractVersion) {
+    issues.push(
+      `contractVersion ${contract?.contractVersion ?? '(missing)'} is below required ${minContractVersion}`,
+    );
+  }
+  const bindings = contract?.bindings ?? {};
+  for (const [bindingKey, methods] of Object.entries(requiredBindings ?? {})) {
+    const exposed = bindings[bindingKey];
+    if (!Array.isArray(exposed)) {
+      issues.push(`missing binding ${bindingKey}`);
+      continue;
+    }
+    for (const method of methods) {
+      if (!exposed.includes(method)) {
+        issues.push(`missing method ${bindingKey}.${method}`);
+      }
+    }
+  }
+  const capabilities = new Set(
+    Array.isArray(contract?.requiredCapabilities)
+      ? contract.requiredCapabilities
+      : [],
+  );
+  for (const capability of requiredCapabilities ?? []) {
+    if (!capabilities.has(capability)) {
+      issues.push(`missing capability ${capability}`);
+    }
+  }
+  if (issues.length > 0) {
+    const error = new Error(
+      `MindSpace remote contract is incompatible: ${issues
+        .map(formatContractIssue)
+        .join('; ')}`,
+    );
+    error.code = 'mindspace_contract_incompatible';
+    error.details = {
+      issues,
+      contractVersion: contract?.contractVersion ?? null,
+      buildId: contract?.buildId ?? null,
+      gitSha: contract?.gitSha ?? null,
+    };
+    throw error;
+  }
+  return contract;
+}
+
+async function fetchRemoteContract({
+  endpoint,
+  contractPath,
+  fetchFn,
+  authToken,
+  timeoutMs,
+}) {
+  const controller = typeof AbortController === 'function' ? new AbortController() : null;
+  const timeoutId =
+    controller && Number.isFinite(timeoutMs) && timeoutMs > 0
+      ? setTimeout(() => controller.abort(new Error('MindSpace remote contract request timed out')), timeoutMs)
+      : null;
+  try {
+    const response = await fetchFn(buildRemoteContractUrl(endpoint, contractPath), {
+      method: 'GET',
+      headers: {
+        ...(authToken ? { Authorization: `Bearer ${authToken}` } : {}),
+      },
+      signal: controller?.signal,
+    });
+    const bodyText = await response.text().catch(() => '');
+    let payload = null;
+    if (bodyText) {
+      try {
+        payload = JSON.parse(bodyText);
+      } catch {
+        payload = null;
+      }
+    }
+    if (!response.ok) {
+      const error = new Error(
+        `MindSpace remote contract check failed with ${response.status}${bodyText ? `: ${bodyText}` : ''}`,
+      );
+      error.code = 'mindspace_contract_unavailable';
+      throw error;
+    }
+    if (!payload) {
+      const error = new Error('MindSpace remote contract response must be valid JSON');
+      error.code = 'mindspace_contract_invalid_json';
+      throw error;
+    }
+    return payload;
+  } finally {
+    if (timeoutId) clearTimeout(timeoutId);
+  }
+}
+
 function createRemoteBindingProxy({
   endpoint,
   bindingKey,
@@ -128,6 +248,10 @@ export function createMindSpaceRemoteServerAdapter({
   endpoint = '',
   authToken = '',
   operationBasePath = '/mindspace/v1/adapter',
+  contractPath = '/mindspace/v1/contract',
+  minContractVersion = MINDSPACE_SERVER_ADAPTER_CONTRACT_VERSION,
+  requiredBindings = MINDSPACE_SERVER_ADAPTER_REQUIRED_BINDINGS,
+  requiredCapabilities = MINDSPACE_SERVER_ADAPTER_REQUIRED_CAPABILITIES,
   timeoutMs = 15_000,
   fetchFn = globalThis.fetch?.bind(globalThis),
 } = {}) {
@@ -157,15 +281,31 @@ export function createMindSpaceRemoteServerAdapter({
     implementationStatus: 'scaffold',
     endpoint: endpointUrl,
     operationBasePath: normalizedOperationBasePath,
+    contractPath: normalizeOperationBasePath(contractPath),
     timeoutMs,
     storageRoot: null,
     publicBaseUrl: null,
     storageAdapter: null,
     ...bindings,
-    assertReady() {
+    async assertReady() {
       if (!endpointUrl) {
         throw new Error('MindSpace remote server adapter requires MINDSPACE_REMOTE_BASE_URL');
       }
+      const contract = await fetchRemoteContract({
+        endpoint: endpointUrl,
+        contractPath,
+        fetchFn: invoke,
+        authToken,
+        timeoutMs,
+      });
+      validateMindSpaceRemoteContract(contract, {
+        minContractVersion,
+        requiredBindings,
+        requiredCapabilities,
+      });
+      logger.log?.(
+        `MindSpace remote contract ok (version=${contract.contractVersion}, build=${contract.buildId ?? 'unknown'}, git=${contract.gitSha ?? 'unknown'})`,
+      );
       return true;
     },
     startBackgroundJobs() {
@@ -182,7 +322,10 @@ export function createMindSpaceRemoteServerAdapter({
 }
 
 export const mindspaceRemoteServerAdapterInternals = {
+  buildRemoteContractUrl,
   buildRemoteOperationUrl,
+  fetchRemoteContract,
   invokeRemoteOperation,
   normalizeOperationBasePath,
+  validateMindSpaceRemoteContract,
 };
diff --git a/mindspace-remote-server-adapter.test.mjs b/mindspace-remote-server-adapter.test.mjs
index 1123854..d03b7e9 100644
--- a/mindspace-remote-server-adapter.test.mjs
+++ b/mindspace-remote-server-adapter.test.mjs
@@ -3,7 +3,13 @@ import test from 'node:test';
 import {
   createMindSpaceRemoteServerAdapter,
   mindspaceRemoteServerAdapterInternals,
+  validateMindSpaceRemoteContract,
 } from './mindspace-remote-server-adapter.mjs';
+import {
+  MINDSPACE_SERVER_ADAPTER_BINDINGS,
+  MINDSPACE_SERVER_ADAPTER_CONTRACT_VERSION,
+  MINDSPACE_SERVER_ADAPTER_REQUIRED_CAPABILITIES,
+} from './mindspace-server-adapter-contract.mjs';
 
 test('buildRemoteOperationUrl normalizes endpoint and encodes operation path', () => {
   assert.equal(
@@ -17,13 +23,93 @@ test('buildRemoteOperationUrl normalizes endpoint and encodes operation path', (
   );
 });
 
-test('createMindSpaceRemoteServerAdapter validates endpoint at startup', () => {
+test('createMindSpaceRemoteServerAdapter validates endpoint at startup', async () => {
   const adapter = createMindSpaceRemoteServerAdapter({
     fetchFn: async () => {
       throw new Error('should not fetch');
     },
   });
-  assert.throws(() => adapter.assertReady(), /MINDSPACE_REMOTE_BASE_URL/);
+  await assert.rejects(() => adapter.assertReady(), /MINDSPACE_REMOTE_BASE_URL/);
+});
+
+test('createMindSpaceRemoteServerAdapter validates remote contract before startup succeeds', async () => {
+  const calls = [];
+  const adapter = createMindSpaceRemoteServerAdapter({
+    endpoint: 'https://mindspace.example.com/',
+    authToken: 'secret-token',
+    fetchFn: async (url, init) => {
+      calls.push({ url, init });
+      return {
+        ok: true,
+        status: 200,
+        async text() {
+          return JSON.stringify({
+            contractVersion:
+              MINDSPACE_SERVER_ADAPTER_CONTRACT_VERSION,
+            bindings: MINDSPACE_SERVER_ADAPTER_BINDINGS,
+            requiredCapabilities:
+              MINDSPACE_SERVER_ADAPTER_REQUIRED_CAPABILITIES,
+            buildId: 'mindspace-test',
+            gitSha: 'abc123',
+          });
+        },
+      };
+    },
+    logger: { log() {}, warn() {}, error() {} },
+  });
+
+  await assert.doesNotReject(() => adapter.assertReady());
+  assert.equal(
+    calls[0].url,
+    'https://mindspace.example.com/mindspace/v1/contract',
+  );
+  assert.equal(calls[0].init.method, 'GET');
+  assert.equal(
+    calls[0].init.headers.Authorization,
+    'Bearer secret-token',
+  );
+});
+
+test('createMindSpaceRemoteServerAdapter rejects stale remote contracts', async () => {
+  const adapter = createMindSpaceRemoteServerAdapter({
+    endpoint: 'https://mindspace.example.com/',
+    fetchFn: async () => ({
+      ok: true,
+      status: 200,
+      async text() {
+        return JSON.stringify({
+          contractVersion: 1,
+          bindings: {
+            assetService: ['renderAssetPreview'],
+          },
+          requiredCapabilities: [],
+        });
+      },
+    }),
+    logger: { log() {}, warn() {}, error() {} },
+  });
+
+  await assert.rejects(
+    () => adapter.assertReady(),
+    (error) =>
+      error?.code === 'mindspace_contract_incompatible' &&
+      /workspacePublicationDeliveryService/.test(error.message),
+  );
+});
+
+test('validateMindSpaceRemoteContract reports missing capabilities and methods', () => {
+  assert.throws(
+    () =>
+      validateMindSpaceRemoteContract({
+        contractVersion:
+          MINDSPACE_SERVER_ADAPTER_CONTRACT_VERSION,
+        bindings: {
+          chatSaveService: ['createSharedHtml'],
+        },
+        requiredCapabilities: ['chat-save-authority'],
+      }),
+    /missing method chatSaveService\.materializeWorkspaceHtml/,
+  );
 });
 
 test('createMindSpaceRemoteServerAdapter proxies server binding methods through fetch transport', async () => {
diff --git a/mindspace-runtime-config.mjs b/mindspace-runtime-config.mjs
index 99f8fc0..63cef09 100644
--- a/mindspace-runtime-config.mjs
+++ b/mindspace-runtime-config.mjs
@@ -149,11 +149,12 @@ export function createMindSpaceLocalRuntime({
   logger = console,
 } = {}) {
   const config = resolveMindSpaceRuntimeConfig(h5Root, env);
+  const storageAdapter = createLocalMindSpaceStorageAdapter(config.storageRoot);
   return {
     ...config,
-    storageAdapter: createLocalMindSpaceStorageAdapter(config.storageRoot),
+    storageAdapter,
     serviceFacade: createMindSpaceServiceFacade({
-      storageAdapter: createLocalMindSpaceStorageAdapter(config.storageRoot),
+      storageAdapter,
       publicBaseUrl: config.publicBaseUrl,
       conversationPackageBackfill,
       conversationPackagePublicHtmlHydrator,
diff --git a/mindspace-server-adapter-contract.mjs b/mindspace-server-adapter-contract.mjs
index 69f2860..03fbe85 100644
--- a/mindspace-server-adapter-contract.mjs
+++ b/mindspace-server-adapter-contract.mjs
@@ -1,3 +1,12 @@
+export const MINDSPACE_SERVER_ADAPTER_CONTRACT_VERSION = 2;
+
+export const MINDSPACE_SERVER_ADAPTER_REQUIRED_CAPABILITIES = Object.freeze([
+  'chat-save-authority',
+  'public-finish-authority',
+  'workspace-publication-delivery-authority',
+  'scoped-workspace-tools',
+]);
+
 export const MINDSPACE_SERVER_ADAPTER_BINDINGS = Object.freeze({
   serviceFacade: Object.freeze(['prepareConversationPackageRead']),
   chatSaveService: Object.freeze([
@@ -119,6 +128,66 @@ export const MINDSPACE_SERVER_ADAPTER_BINDING_KEYS = Object.freeze(
   Object.keys(MINDSPACE_SERVER_ADAPTER_BINDINGS),
 );
 
+export const MINDSPACE_SERVER_ADAPTER_REQUIRED_BINDINGS = Object.freeze({
+  chatSaveService: Object.freeze([
+    'createSharedHtml',
+    'materializeWorkspaceHtml',
+    'readWorkspaceHtml',
+  ]),
+  conversationArtifactService: Object.freeze([
+    'registerPublicHtmlArtifacts',
+    'registerWorkspaceFileArtifact',
+  ]),
+  publicFinishService: Object.freeze([
+    'prepareWechatHtmlDelivery',
+    'syncAfterFinish',
+  ]),
+  workspacePublicationDeliveryService: Object.freeze([
+    'resolveWorkspaceRequest',
+    'validateRunDeliverables',
+  ]),
+  workspaceToolService: Object.freeze([
+    'readFile',
+    'writeFile',
+    'editFile',
+    'publishPage',
+    'writeBinaryFile',
+  ]),
+});
+
+export function createMindSpaceServerAdapterContractPayload({
+  adapter = {},
+  serviceMeta = {},
+  env = process.env,
+} = {}) {
+  return {
+    contractVersion:
+      MINDSPACE_SERVER_ADAPTER_CONTRACT_VERSION,
+    service: 'mindspace-service',
+    adapterKind: adapter.kind ?? null,
+    implementationStatus:
+      adapter.implementationStatus ?? null,
+    buildId:
+      serviceMeta.buildId ??
+      env.MINDSPACE_SERVICE_BUILD_ID ??
+      null,
+    gitSha:
+      serviceMeta.gitSha ??
+      env.MINDSPACE_SERVICE_GIT_SHA ??
+      null,
+    builtAt:
+      serviceMeta.builtAt ??
+      env.MINDSPACE_SERVICE_BUILT_AT ??
+      null,
+    requiredCapabilities:
+      MINDSPACE_SERVER_ADAPTER_REQUIRED_CAPABILITIES,
+    requiredBindings:
+      MINDSPACE_SERVER_ADAPTER_REQUIRED_BINDINGS,
+    bindings: MINDSPACE_SERVER_ADAPTER_BINDINGS,
+    bindingKeys: MINDSPACE_SERVER_ADAPTER_BINDING_KEYS,
+  };
+}
+
 export function assertMindSpaceServerAdapterBindingContract(bindingKey, service) {
   const methods = MINDSPACE_SERVER_ADAPTER_BINDINGS[bindingKey];
   if (!methods) {
diff --git a/mindspace-server-adapter.test.mjs b/mindspace-server-adapter.test.mjs
index 4a796df..5231055 100644
--- a/mindspace-server-adapter.test.mjs
+++ b/mindspace-server-adapter.test.mjs
@@ -5,6 +5,11 @@ import {
   createMindSpaceServerAdapter,
   resolveMindSpaceServerAdapterKind,
 } from './mindspace-server-adapter.mjs';
+import {
+  MINDSPACE_SERVER_ADAPTER_BINDINGS,
+  MINDSPACE_SERVER_ADAPTER_CONTRACT_VERSION,
+  MINDSPACE_SERVER_ADAPTER_REQUIRED_CAPABILITIES,
+} from './mindspace-server-adapter-contract.mjs';
 
 test('resolveMindSpaceServerAdapterKind defaults to local and rejects unknown kinds', () => {
   assert.equal(resolveMindSpaceServerAdapterKind({}), 'local');
@@ -39,19 +44,32 @@ test('createMindSpaceServerAdapter returns a contract-complete local adapter by
   assert.equal(assertMindSpaceServerAdapterContract(adapter), adapter);
 });
 
-test('createMindSpaceServerAdapter exposes a remote stub that fails fast when selected', () => {
+test('createMindSpaceServerAdapter exposes a remote stub that validates contract when selected', async () => {
   const adapter = createMindSpaceServerAdapter({
     env: {
       MINDSPACE_SERVER_ADAPTER: 'remote',
       MINDSPACE_REMOTE_BASE_URL: 'https://mindspace.example.com',
     },
+    fetchFn: async () => ({
+      ok: true,
+      status: 200,
+      async text() {
+        return JSON.stringify({
+          contractVersion:
+            MINDSPACE_SERVER_ADAPTER_CONTRACT_VERSION,
+          bindings: MINDSPACE_SERVER_ADAPTER_BINDINGS,
+          requiredCapabilities:
+            MINDSPACE_SERVER_ADAPTER_REQUIRED_CAPABILITIES,
+        });
+      },
+    }),
     logger: { log() {}, warn() {}, error() {} },
   });
 
   assert.equal(adapter.kind, 'remote');
   assert.equal(adapter.implementationStatus, 'scaffold');
   assert.equal(assertMindSpaceServerAdapterContract(adapter), adapter);
-  assert.equal(adapter.assertReady(), true);
+  assert.equal(await adapter.assertReady(), true);
   assert.deepEqual(adapter.startBackgroundJobs(), {
     publicationCleanup: null,
     agentWorker: null,
diff --git a/mindspace-service.mjs b/mindspace-service.mjs
index c8dd884..f964176 100644
--- a/mindspace-service.mjs
+++ b/mindspace-service.mjs
@@ -9,17 +9,21 @@ import {
   createMindSpacePublicUrl,
   normalizeMindSpacePublicRelativePath,
 } from './mindspace-canonical-url.mjs';
-import { normalizeMindSpaceStorageKey } from './mindspace-storage-adapter.mjs';
+import {
+  assertMindSpaceStorageAdapterContract,
+  normalizeMindSpaceStorageKey,
+} from './mindspace-storage-adapter.mjs';
 
 function serviceError(message, code, details = {}) {
   return Object.assign(new Error(message), { code, ...details });
 }
 
 function requireStorageAdapter(storageAdapter) {
-  if (!storageAdapter || typeof storageAdapter.putObject !== 'function') {
+  try {
+    return assertMindSpaceStorageAdapterContract(storageAdapter);
+  } catch (error) {
     throw serviceError('MindSpace storage adapter is required', 'missing_mindspace_storage_adapter');
   }
-  return storageAdapter;
 }
 
 function packageStorageKey(packageRecord, relativePath) {
diff --git a/mindspace-service/mindspace-rpc-server.mjs b/mindspace-service/mindspace-rpc-server.mjs
index b501a18..5f783ef 100644
--- a/mindspace-service/mindspace-rpc-server.mjs
+++ b/mindspace-service/mindspace-rpc-server.mjs
@@ -151,8 +151,9 @@ export async function createMindSpaceRpcRequestHandler({
   serviceMeta = {},
 } = {}) {
   const {
+    createMindSpaceServerAdapterContractPayload,
     MINDSPACE_SERVER_ADAPTER_BINDINGS,
-    MINDSPACE_SERVER_ADAPTER_BINDING_KEYS,
+    MINDSPACE_SERVER_ADAPTER_CONTRACT_VERSION,
   } = await loadContract(env);
   const operationBasePath = String(
     serviceMeta.operationBasePath ?? env.MINDSPACE_REMOTE_OPERATION_BASE_PATH ?? '/mindspace/v1/adapter',
@@ -199,6 +200,16 @@ export async function createMindSpaceRpcRequestHandler({
           service: 'mindspace-service',
           adapterKind: adapter.kind,
           implementationStatus: adapter.implementationStatus,
+          contractVersion:
+            MINDSPACE_SERVER_ADAPTER_CONTRACT_VERSION,
+          buildId:
+            serviceMeta.buildId ??
+            env.MINDSPACE_SERVICE_BUILD_ID ??
+            null,
+          gitSha:
+            serviceMeta.gitSha ??
+            env.MINDSPACE_SERVICE_GIT_SHA ??
+            null,
           operationBasePath,
           mcpOperationBasePath,
           mcpScopedToolsEnabled:
@@ -207,10 +218,15 @@ export async function createMindSpaceRpcRequestHandler({
         });
       }
       if (req.method === 'GET' && url.pathname === '/mindspace/v1/contract') {
-        return json(res, 200, {
-          bindings: MINDSPACE_SERVER_ADAPTER_BINDINGS,
-          bindingKeys: MINDSPACE_SERVER_ADAPTER_BINDING_KEYS,
-        });
+        return json(
+          res,
+          200,
+          createMindSpaceServerAdapterContractPayload({
+            adapter,
+            serviceMeta,
+            env,
+          }),
+        );
       }
       if (
         req.method === 'POST' &&
diff --git a/mindspace-service/mindspace-rpc-server.test.mjs b/mindspace-service/mindspace-rpc-server.test.mjs
index a43e16b..1b1777e 100644
--- a/mindspace-service/mindspace-rpc-server.test.mjs
+++ b/mindspace-service/mindspace-rpc-server.test.mjs
@@ -320,6 +320,11 @@ test('health and contract endpoints are exposed without auth', async () => {
     env: {
       MINDSPACE_MEMIND_ROOT: '..',
     },
+    serviceMeta: {
+      buildId: 'mindspace-test-build',
+      gitSha: 'abc123',
+      builtAt: '2026-07-27T00:00:00.000Z',
+    },
   });
 
   const health = await runRequest(handler, { path: '/health' });
@@ -327,7 +332,23 @@ test('health and contract endpoints are exposed without auth', async () => {
 
   assert.equal(health.statusCode, 200);
   assert.equal(health.body.ok, true);
+  assert.equal(health.body.contractVersion, 2);
+  assert.equal(health.body.buildId, 'mindspace-test-build');
   assert.equal(contract.statusCode, 200);
+  assert.equal(contract.body.contractVersion, 2);
+  assert.equal(contract.body.service, 'mindspace-service');
+  assert.equal(contract.body.buildId, 'mindspace-test-build');
+  assert.equal(contract.body.gitSha, 'abc123');
+  assert.ok(
+    contract.body.requiredCapabilities.includes(
+      'workspace-publication-delivery-authority',
+    ),
+  );
+  assert.ok(
+    contract.body.requiredBindings.workspaceToolService.includes(
+      'publishPage',
+    ),
+  );
   assert.ok(contract.body.bindings.assetService.includes('renderAssetPreview'));
   assert.ok(
     contract.body.bindings.chatSaveService.includes(
diff --git a/mindspace-service/server.mjs b/mindspace-service/server.mjs
index 117f8e1..ac6cb22 100644
--- a/mindspace-service/server.mjs
+++ b/mindspace-service/server.mjs
@@ -1,9 +1,27 @@
 import { bootstrapMindSpaceService } from './mindspace-service-bootstrap.mjs';
 import { startMindSpaceRpcServer } from './mindspace-rpc-server.mjs';
+import fs from 'node:fs/promises';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
 
 const logger = console;
 
+async function readBuildInfo() {
+  try {
+    const raw = await fs.readFile(
+      path.join(__dirname, 'build-info.json'),
+      'utf8',
+    );
+    return JSON.parse(raw);
+  } catch {
+    return {};
+  }
+}
+
 async function main() {
+  const buildInfo = await readBuildInfo();
   const service = await bootstrapMindSpaceService({ env: process.env, logger });
   const rpc = await startMindSpaceRpcServer({
     adapter: service.adapter,
@@ -11,6 +29,9 @@ async function main() {
     logger,
     serviceMeta: {
       operationBasePath: service.runtime.remote.operationBasePath,
+      buildId: buildInfo.buildId,
+      gitSha: buildInfo.gitSha,
+      builtAt: buildInfo.builtAt,
     },
   });
 
diff --git a/mindspace-storage-adapter.mjs b/mindspace-storage-adapter.mjs
index 1bec7de..ccdc647 100644
--- a/mindspace-storage-adapter.mjs
+++ b/mindspace-storage-adapter.mjs
@@ -2,10 +2,44 @@ import fs from 'node:fs';
 import fsp from 'node:fs/promises';
 import path from 'node:path';
 
+export const MINDSPACE_STORAGE_ADAPTER_CONTRACT_VERSION = 1;
+
+export const MINDSPACE_STORAGE_ADAPTER_REQUIRED_METHODS = Object.freeze([
+  'putObject',
+  'getObject',
+  'statObject',
+  'listObjects',
+  'listPrefix',
+  'deleteObject',
+  'copyObject',
+  'createReadStream',
+  'createWriteStream',
+  'getSignedUrl',
+]);
+
 function storageError(message, code, details = {}) {
   return Object.assign(new Error(message), { code, ...details });
 }
 
+export function assertMindSpaceStorageAdapterContract(adapter) {
+  if (!adapter || typeof adapter !== 'object') {
+    throw storageError(
+      'MindSpace storage adapter is required',
+      'missing_storage_adapter',
+    );
+  }
+  for (const method of MINDSPACE_STORAGE_ADAPTER_REQUIRED_METHODS) {
+    if (typeof adapter[method] !== 'function') {
+      throw storageError(
+        `MindSpace storage adapter is missing ${method}()`,
+        'invalid_storage_adapter',
+        { method },
+      );
+    }
+  }
+  return adapter;
+}
+
 export function normalizeMindSpaceStorageKey(key) {
   const raw = String(key ?? '').trim();
   if (!raw) {
@@ -125,6 +159,10 @@ export function createLocalMindSpaceStorageAdapter(storageRoot) {
       return results.sort((a, b) => a.key.localeCompare(b.key));
     },
 
+    async listPrefix(prefix = '') {
+      return this.listObjects(prefix);
+    },
+
     async copyObject(sourceKey, targetKey) {
       const source = resolveStoragePath(root, sourceKey);
       const target = resolveStoragePath(root, targetKey);
diff --git a/mindspace-storage-adapter.test.mjs b/mindspace-storage-adapter.test.mjs
index 9528118..a19a282 100644
--- a/mindspace-storage-adapter.test.mjs
+++ b/mindspace-storage-adapter.test.mjs
@@ -4,11 +4,23 @@ import os from 'node:os';
 import path from 'node:path';
 import test from 'node:test';
 import {
+  assertMindSpaceStorageAdapterContract,
   createLocalMindSpaceStorageAdapter,
+  MINDSPACE_STORAGE_ADAPTER_CONTRACT_VERSION,
   normalizeMindSpaceStorageKey,
   resolveStoragePath,
 } from './mindspace-storage-adapter.mjs';
 
+test('storage adapter exposes a versioned contract', () => {
+  assert.equal(MINDSPACE_STORAGE_ADAPTER_CONTRACT_VERSION, 1);
+  const adapter = createLocalMindSpaceStorageAdapter('/tmp/mindspace-storage-contract');
+  assert.equal(assertMindSpaceStorageAdapterContract(adapter), adapter);
+  assert.throws(
+    () => assertMindSpaceStorageAdapterContract({ putObject() {} }),
+    (error) => error.code === 'invalid_storage_adapter',
+  );
+});
+
 test('normalizeMindSpaceStorageKey rejects absolute paths and traversal', () => {
   assert.equal(normalizeMindSpaceStorageKey('users/u1/file.txt'), 'users/u1/file.txt');
   assert.equal(normalizeMindSpaceStorageKey('users/u1/./file.txt'), 'users/u1/file.txt');
@@ -59,6 +71,10 @@ test('local storage adapter writes, reads, stats, lists, copies, and deletes obj
       'users/u1/conversations/s1/public/report.html',
     ],
   );
+  assert.deepEqual(
+    (await adapter.listPrefix('users/u1/conversations/s1/generated')).map((item) => item.key),
+    ['users/u1/conversations/s1/generated/report-copy.html'],
+  );
 
   await adapter.deleteObject('users/u1/conversations/s1/public/report.html');
   assert.equal((await adapter.statObject('users/u1/conversations/s1/public/report.html')).exists, false);
diff --git a/package.json b/package.json
index 2f6a8fc..28ba32a 100644
--- a/package.json
+++ b/package.json
@@ -53,6 +53,8 @@
     "check:mindspace-public-links:all": "node scripts/check-mindspace-public-links.mjs --all-links",
     "check:mindspace-cover": "node scripts/check-mindspace-cover.mjs",
     "demo:thumbnails": "node scripts/thumbnail-preview-demo.mjs",
+    "audit:conversation-packages": "node scripts/audit-conversation-packages.mjs",
+    "trace:mindspace-artifact": "node scripts/trace-mindspace-artifact.mjs",
     "check:conversation-package-manifest": "node scripts/check-conversation-package-manifest.mjs",
     "check:memory-v2": "node scripts/check-memory-v2-health.mjs",
     "canary:memory-v2-app": "node scripts/check-memory-v2-app-canary.mjs",
@@ -75,7 +77,7 @@
     "ci:page-data-dev-loop-smoke": "node scripts/ci-page-data-dev-loop-smoke.mjs",
     "migrate:agent-code-run-config": "node scripts/migrate-agent-code-run-config-from-env.mjs",
     "test:scenario:john4-diet": "node scripts/run-scenario-test.mjs --scenario john4-children-hobby-diet-update",
-    "test": "node --test api-core-retry.test.mjs auth.test.mjs asr-proxy.test.mjs billing.test.mjs billing-token-state.test.mjs billing-recharge.test.mjs wechat-pay.test.mjs wechat-oauth.test.mjs wechat-mp.test.mjs wechat-media.test.mjs wechat/image-generation-policy.test.mjs wechat/verify/generated-thumbnail.test.mjs schedule-intent.test.mjs schedule-reminder-worker.test.mjs capabilities.test.mjs policies.test.mjs server/portal-api-auth-middleware.test.mjs server/portal-config-routes.test.mjs server/portal-plaza-discovery-routes.test.mjs server/portal-runtime-routes.test.mjs server/portal-gateway-services-bootstrap.test.mjs chat-skills.test.mjs chat-intent-router.test.mjs chat-finish-sync.test.mjs chat-agent-run-gate.test.mjs conversation-display.test.mjs user-publish.test.mjs user-memory-profile.test.mjs skills-registry.test.mjs skill-runtime-policy.test.mjs excel-analyst.test.mjs agent-run-gateway.test.mjs agent-run-routes.test.mjs session-broker.test.mjs sse-event-taxonomy.test.mjs goosed-proxy-boundary.test.mjs agent-run-stream.test.mjs mindspace-h5-html-finish-guard.test.mjs admin-routes.test.mjs services/orchestrator/admin-config.test.mjs services/orchestrator/contracts.test.mjs services/orchestrator/checkpoint.test.mjs services/orchestrator/runtime.test.mjs services/orchestrator/app.test.mjs services/orchestrator/server.test.mjs services/orchestrator/shadow-dispatcher.test.mjs services/orchestrator/shadow-observer.test.mjs services/orchestrator/observability.test.mjs services/orchestrator/executor-gateway.test.mjs services/orchestrator/executor-job-store.test.mjs image-make-admin-config.test.mjs asset-gateway.test.mjs image-make-client.test.mjs mindspace-image-generation.test.mjs mindspace-image-generation-routes.test.mjs mindspace-image-review.test.mjs mindspace-run-public-html-scope.test.mjs direct-chat-service.test.mjs tool-gateway.test.mjs mindspace.test.mjs mindspace-scan.test.mjs mindspace-assets.test.mjs mindspace-local-runtime-services.test.mjs mindspace-local-server-adapter.test.mjs mindspace-public-asset-token.test.mjs mindspace-remote-server-adapter.test.mjs mindspace-server-adapter.test.mjs mindspace-pages.test.mjs mindspace-page-sync-service.test.mjs public-site-bases.test.mjs mindspace-html-download-links.test.mjs mindspace-page-purge.test.mjs mindspace-public-delivery.test.mjs mindspace-public-page-context.test.mjs mindspace-published-page-csp.test.mjs mindspace-published-script-localize.test.mjs agent-run-deliverable-check.test.mjs mindspace-public-route.test.mjs mindspace-publications.test.mjs mindspace-public-links.test.mjs mindspace-chat-save.test.mjs mindspace-chat-save-service.test.mjs mindspace-chat-docx-package.test.mjs mindspace-public-finish-sync.test.mjs mindspace-wechat-html-delivery.test.mjs mindspace-chat-context.test.mjs mindspace-canonical-url.test.mjs mindspace-conversation-package.test.mjs mindspace-conversation-package-artifact-service.test.mjs mindspace-conversation-package-backfill.test.mjs mindspace-conversation-package-public-html.test.mjs mindspace-conversation-package-verify.test.mjs mindspace-conversation-package-registry.test.mjs mindspace-conversation-package-routes.test.mjs mindspace-conversation-package-store.test.mjs mindspace-conversation-schema.test.mjs mindspace-runtime-config.test.mjs mindspace-config.test.mjs mindspace-analytics.test.mjs mindspace-rybbit.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-workspace-publication-delivery-service.test.mjs mindspace-workspace-tool-service.test.mjs mindspace-mcp-scoped-token.test.mjs mindspace-asset-preview.test.mjs mindspace-agent-jobs.test.mjs mindspace-agent-runner.test.mjs mindspace-sandbox-mcp.test.mjs mindspace-userdata-postgres.test.mjs postgres-user-data-space-service.test.mjs user-data-space-service.test.mjs page-data-routes.test.mjs page-access-policy.test.mjs page-access-visitor.test.mjs page-data-public-service.test.mjs page-data-integration.test.mjs page-data-log-store.test.mjs page-data-ops.test.mjs page-data-session-store.test.mjs page-data-browser-client.test.mjs page-data-policy-index.test.mjs message-stream.test.mjs mindspace-service/mindspace-rpc-server.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 memory-v2.test.mjs memory-v2-admin-config.test.mjs memory-v2-lifecycle.test.mjs memory-v2-adapter-scaffold.test.mjs memory-v2-backend-contract.test.mjs memory-v2-health.test.mjs memory-v2-runtime.test.mjs memory-v2-plugin-backends.test.mjs memory-v2-pgvector.test.mjs memory-v2-pgvector-schema.test.mjs memory-v2-pgvector-backfill.test.mjs memory-v2-pgvector-smoke.test.mjs memory-v2-qdrant.test.mjs memory-v2-weaviate.test.mjs memory-v2-mem0.test.mjs memory-v2-letta.test.mjs memory-v2-external-adapters.test.mjs scripts/embed-memory-v2-local-hash.test.mjs scripts/check-memory-v2-app-canary.test.mjs scripts/check-memory-v2-config-gaps.test.mjs scripts/check-memory-v2-contracts.test.mjs scripts/check-memory-v2-health.test.mjs scripts/check-memory-v2-session-flow.test.mjs scripts/check-memory-v2-stack.test.mjs scripts/setup-memory-v2-pgvector-schema.test.mjs scripts/backfill-memory-v2-pgvector.test.mjs scripts/scaffold-memory-v2-backend.test.mjs scripts/smoke-memory-v2-pgvector.test.mjs scripts/smoke-memory-v2-qdrant.test.mjs scripts/smoke-memory-v2-external.test.mjs scripts/mock-memory-v2-services.test.mjs",
+    "test": "node --test api-core-retry.test.mjs auth.test.mjs asr-proxy.test.mjs billing.test.mjs billing-token-state.test.mjs billing-recharge.test.mjs wechat-pay.test.mjs wechat-oauth.test.mjs wechat-mp.test.mjs wechat-media.test.mjs wechat/image-generation-policy.test.mjs wechat/verify/generated-thumbnail.test.mjs schedule-intent.test.mjs schedule-reminder-worker.test.mjs capabilities.test.mjs policies.test.mjs server/portal-api-auth-middleware.test.mjs server/portal-config-routes.test.mjs server/portal-plaza-discovery-routes.test.mjs server/portal-runtime-routes.test.mjs server/portal-gateway-services-bootstrap.test.mjs chat-skills.test.mjs chat-intent-router.test.mjs chat-finish-sync.test.mjs chat-agent-run-gate.test.mjs conversation-display.test.mjs user-publish.test.mjs user-memory-profile.test.mjs skills-registry.test.mjs skill-runtime-policy.test.mjs excel-analyst.test.mjs agent-run-gateway.test.mjs agent-run-routes.test.mjs session-broker.test.mjs sse-event-taxonomy.test.mjs goosed-proxy-boundary.test.mjs agent-run-stream.test.mjs mindspace-h5-html-finish-guard.test.mjs admin-routes.test.mjs services/orchestrator/admin-config.test.mjs services/orchestrator/contracts.test.mjs services/orchestrator/checkpoint.test.mjs services/orchestrator/runtime.test.mjs services/orchestrator/app.test.mjs services/orchestrator/server.test.mjs services/orchestrator/shadow-dispatcher.test.mjs services/orchestrator/shadow-observer.test.mjs services/orchestrator/observability.test.mjs services/orchestrator/executor-gateway.test.mjs services/orchestrator/executor-job-store.test.mjs image-make-admin-config.test.mjs asset-gateway.test.mjs image-make-client.test.mjs mindspace-image-generation.test.mjs mindspace-image-generation-routes.test.mjs mindspace-image-review.test.mjs mindspace-run-public-html-scope.test.mjs direct-chat-service.test.mjs tool-gateway.test.mjs mindspace.test.mjs mindspace-scan.test.mjs mindspace-assets.test.mjs mindspace-local-runtime-services.test.mjs mindspace-local-server-adapter.test.mjs mindspace-public-asset-token.test.mjs mindspace-remote-server-adapter.test.mjs mindspace-server-adapter.test.mjs mindspace-pages.test.mjs mindspace-page-sync-service.test.mjs public-site-bases.test.mjs mindspace-html-download-links.test.mjs mindspace-page-purge.test.mjs mindspace-public-delivery.test.mjs mindspace-public-page-context.test.mjs mindspace-published-page-csp.test.mjs mindspace-published-script-localize.test.mjs agent-run-deliverable-check.test.mjs mindspace-public-route.test.mjs mindspace-publications.test.mjs mindspace-public-links.test.mjs mindspace-chat-save.test.mjs mindspace-chat-save-service.test.mjs mindspace-chat-docx-package.test.mjs mindspace-public-finish-sync.test.mjs mindspace-wechat-html-delivery.test.mjs mindspace-chat-context.test.mjs mindspace-canonical-url.test.mjs mindspace-conversation-package.test.mjs mindspace-conversation-package-artifact-service.test.mjs mindspace-conversation-package-audit.test.mjs mindspace-conversation-package-backfill.test.mjs mindspace-conversation-package-public-html.test.mjs mindspace-conversation-package-verify.test.mjs mindspace-conversation-package-registry.test.mjs mindspace-conversation-package-routes.test.mjs mindspace-conversation-package-store.test.mjs mindspace-conversation-schema.test.mjs mindspace-runtime-config.test.mjs mindspace-config.test.mjs mindspace-analytics.test.mjs mindspace-rybbit.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-workspace-publication-delivery-service.test.mjs mindspace-workspace-tool-service.test.mjs mindspace-mcp-scoped-token.test.mjs mindspace-asset-preview.test.mjs mindspace-agent-jobs.test.mjs mindspace-agent-runner.test.mjs mindspace-sandbox-mcp.test.mjs mindspace-userdata-postgres.test.mjs postgres-user-data-space-service.test.mjs user-data-space-service.test.mjs page-data-routes.test.mjs page-access-policy.test.mjs page-access-visitor.test.mjs page-data-public-service.test.mjs page-data-integration.test.mjs page-data-log-store.test.mjs page-data-ops.test.mjs page-data-session-store.test.mjs page-data-browser-client.test.mjs page-data-policy-index.test.mjs message-stream.test.mjs mindspace-service/mindspace-rpc-server.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 memory-v2.test.mjs memory-v2-admin-config.test.mjs memory-v2-lifecycle.test.mjs memory-v2-adapter-scaffold.test.mjs memory-v2-backend-contract.test.mjs memory-v2-health.test.mjs memory-v2-runtime.test.mjs memory-v2-plugin-backends.test.mjs memory-v2-pgvector.test.mjs memory-v2-pgvector-schema.test.mjs memory-v2-pgvector-backfill.test.mjs memory-v2-pgvector-smoke.test.mjs memory-v2-qdrant.test.mjs memory-v2-weaviate.test.mjs memory-v2-mem0.test.mjs memory-v2-letta.test.mjs memory-v2-external-adapters.test.mjs scripts/embed-memory-v2-local-hash.test.mjs scripts/check-memory-v2-app-canary.test.mjs scripts/check-memory-v2-config-gaps.test.mjs scripts/check-memory-v2-contracts.test.mjs scripts/check-memory-v2-health.test.mjs scripts/check-memory-v2-session-flow.test.mjs scripts/check-memory-v2-stack.test.mjs scripts/setup-memory-v2-pgvector-schema.test.mjs scripts/backfill-memory-v2-pgvector.test.mjs scripts/scaffold-memory-v2-backend.test.mjs scripts/smoke-memory-v2-pgvector.test.mjs scripts/smoke-memory-v2-qdrant.test.mjs scripts/smoke-memory-v2-external.test.mjs scripts/mock-memory-v2-services.test.mjs",
     "test:episodic-memory": "node --test episodic-memory.test.mjs direct-chat-service.test.mjs chat-intent-router.test.mjs",
     "test:deep-search": "node --test deep-search.test.mjs mindsearch.test.mjs",
     "test:image-review": "node --test mindspace-image-review.test.mjs mindspace-image-generation.test.mjs",
diff --git a/scripts/audit-conversation-packages.mjs b/scripts/audit-conversation-packages.mjs
new file mode 100644
index 0000000..94964aa
--- /dev/null
+++ b/scripts/audit-conversation-packages.mjs
@@ -0,0 +1,220 @@
+#!/usr/bin/env node
+import mysql from 'mysql2/promise';
+import {
+  auditConversationPackages,
+} from '../mindspace-conversation-package-audit.mjs';
+import {
+  loadMemindEnvFiles,
+} from './memind-runtime-profile.mjs';
+
+function usage() {
+  return [
+    'Usage: node scripts/audit-conversation-packages.mjs [--user-id <id>] [--session-id <id>] [--limit <n>] [--repair] [--json]',
+    '',
+    'Audits recent conversation packages for missing/invalid artifact references.',
+    'Default mode is read-only. --repair only inserts missing public_html artifacts',
+    'when a generated_file artifact already points at a public/*.html h5_asset.',
+  ].join('\n');
+}
+
+function parseArgs(argv) {
+  const args = {
+    userId: '',
+    sessionId: '',
+    limit: 100,
+    repair: false,
+    json: false,
+  };
+  for (let i = 2; i < argv.length; i += 1) {
+    const arg = argv[i];
+    if (arg === '--user-id' && argv[i + 1]) {
+      args.userId = argv[++i];
+    } else if (arg === '--session-id' && argv[i + 1]) {
+      args.sessionId = argv[++i];
+    } else if (arg === '--limit' && argv[i + 1]) {
+      args.limit = Math.max(1, Math.min(1000, Number(argv[++i]) || 100));
+    } else if (arg === '--repair') {
+      args.repair = true;
+    } else if (arg === '--json') {
+      args.json = true;
+    } else if (arg === '--help' || arg === '-h') {
+      console.log(usage());
+      process.exit(0);
+    } else {
+      console.error(`Unknown argument: ${arg}`);
+      console.error(usage());
+      process.exit(2);
+    }
+  }
+  return args;
+}
+
+function createPoolFromEnv() {
+  loadMemindEnvFiles(process.cwd());
+  const poolOptions = { connectionLimit: 3 };
+  if (process.env.DATABASE_URL) {
+    return mysql.createPool({
+      uri: process.env.DATABASE_URL,
+      ...poolOptions,
+    });
+  }
+  if (!process.env.MYSQL_HOST && !process.env.MYSQL_DATABASE) {
+    throw new Error(
+      'conversation package audit requires DATABASE_URL or MYSQL_* configuration',
+    );
+  }
+  return mysql.createPool({
+    host: process.env.MYSQL_HOST ?? 'localhost',
+    port: Number(process.env.MYSQL_PORT ?? 3306),
+    user: process.env.MYSQL_USER ?? 'boot',
+    password: process.env.MYSQL_PASSWORD ?? '',
+    database: process.env.MYSQL_DATABASE ?? 'tkmind',
+    ...poolOptions,
+  });
+}
+
+function whereClause(args) {
+  const clauses = ['p.status <> ?'];
+  const values = ['deleted'];
+  if (args.userId) {
+    clauses.push('p.user_id = ?');
+    values.push(args.userId);
+  }
+  if (args.sessionId) {
+    clauses.push('p.session_id = ?');
+    values.push(args.sessionId);
+  }
+  return {
+    sql: clauses.length ? `WHERE ${clauses.join(' AND ')}` : '',
+    values,
+  };
+}
+
+async function loadAuditRows(pool, args) {
+  const where = whereClause(args);
+  const [packages] = await pool.query(
+    `SELECT p.id, p.user_id, p.session_id, p.title, p.status,
+            p.storage_prefix, p.manifest_asset_id, p.created_at, p.updated_at
+     FROM h5_conversation_packages p
+     ${where.sql}
+     ORDER BY p.updated_at DESC
+     LIMIT ?`,
+    [...where.values, args.limit],
+  );
+  if (packages.length === 0) {
+    return { packages: [], artifacts: [], assets: [] };
+  }
+
+  const packageIds = packages.map((item) => item.id);
+  const placeholders = packageIds.map(() => '?').join(',');
+  const [artifacts] = await pool.query(
+    `SELECT ca.id, ca.package_id, ca.asset_id, ca.page_id,
+            ca.publication_id, ca.agent_run_id, ca.message_id, ca.role,
+            ca.artifact_kind, ca.display_name, ca.mime_type,
+            ca.size_bytes, ca.storage_key, ca.canonical_url,
+            ca.sort_order, ca.created_at
+     FROM h5_conversation_artifacts ca
+     WHERE ca.package_id IN (${placeholders})
+     ORDER BY ca.package_id ASC, ca.sort_order ASC, ca.created_at ASC`,
+    packageIds,
+  );
+
+  const assetIds = [
+    ...new Set(
+      artifacts
+        .map((item) => item.asset_id)
+        .filter(Boolean),
+    ),
+  ];
+  let assets = [];
+  if (assetIds.length > 0) {
+    const assetPlaceholders = assetIds.map(() => '?').join(',');
+    [assets] = await pool.query(
+      `SELECT a.id, a.user_id, a.display_name, a.workspace_relative_path,
+              a.asset_type, a.mime_type, a.size_bytes, a.status,
+              a.visibility, a.updated_at
+       FROM h5_assets a
+       WHERE a.id IN (${assetPlaceholders})`,
+      assetIds,
+    );
+  }
+  return { packages, artifacts, assets };
+}
+
+async function applyRepairs(pool, repairs) {
+  const applied = [];
+  for (const repair of repairs) {
+    await pool.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 (?, ?, 'public_html', 'assistant', NULL, NULL, NULL,
+         NULL, NULL, ?, ?, ?, NULL, ?, ?, ?)
+       ON DUPLICATE KEY UPDATE
+         display_name = VALUES(display_name),
+         mime_type = VALUES(mime_type),
+         size_bytes = VALUES(size_bytes),
+         canonical_url = VALUES(canonical_url),
+         sort_order = VALUES(sort_order)`,
+      [
+        repair.artifactId,
+        repair.packageId,
+        repair.displayName,
+        repair.mimeType,
+        repair.sizeBytes,
+        repair.canonicalUrl,
+        Math.round(Number(repair.sortOrder) || Date.now()),
+        Date.now(),
+      ],
+    );
+    applied.push(repair);
+  }
+  return applied;
+}
+
+function printTextReport(result, { applied = [] } = {}) {
+  console.log(
+    `conversation package audit: ${result.ok ? 'ok' : 'issues found'}`,
+  );
+  console.log(JSON.stringify(result.summary, null, 2));
+  if (result.issues.length > 0) {
+    for (const item of result.issues) {
+      console.log(
+        `- ${item.code}: ${item.message}${
+          item.packageId ? ` [package=${item.packageId}]` : ''
+        }`,
+      );
+    }
+  }
+  if (applied.length > 0) {
+    console.log(`applied repairs: ${applied.length}`);
+    for (const item of applied) {
+      console.log(
+        `- inserted ${item.artifactId} for ${item.packageId} ${item.relativePath}`,
+      );
+    }
+  }
+}
+
+const args = parseArgs(process.argv);
+const pool = createPoolFromEnv();
+try {
+  const rows = await loadAuditRows(pool, args);
+  const result = auditConversationPackages({
+    ...rows,
+    publicBaseUrl:
+      process.env.H5_PUBLIC_BASE_URL ?? 'http://127.0.0.1:5173',
+  });
+  const applied = args.repair
+    ? await applyRepairs(pool, result.repairs)
+    : [];
+  if (args.json) {
+    console.log(JSON.stringify({ ...result, applied }, null, 2));
+  } else {
+    printTextReport(result, { applied });
+  }
+  process.exit(result.ok || args.repair ? 0 : 1);
+} finally {
+  await pool.end();
+}
diff --git a/scripts/build-mindspace-service-runtime.mjs b/scripts/build-mindspace-service-runtime.mjs
index 35be28e..8aa343d 100644
--- a/scripts/build-mindspace-service-runtime.mjs
+++ b/scripts/build-mindspace-service-runtime.mjs
@@ -2,6 +2,8 @@
 import fs from 'node:fs/promises';
 import path from 'node:path';
 import { fileURLToPath } from 'node:url';
+import { execFile } from 'node:child_process';
+import { promisify } from 'node:util';
 
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
 const root = path.join(__dirname, '..');
@@ -9,6 +11,7 @@ const runtimeRoot = path.join(root, '.runtime', 'mindspace-service');
 const serviceSourceRoot = path.join(root, 'mindspace-service');
 const nodeModulesDir = path.join(root, 'node_modules');
 const skipNodeModules = process.argv.includes('--skip-node-modules');
+const execFileAsync = promisify(execFile);
 
 const excludeTopLevel = new Set([
   '.git',
@@ -167,6 +170,14 @@ async function copyNodeModules() {
 
 async function writeMetadata() {
   const head = await fs.readFile(path.join(root, '.git', 'HEAD'), 'utf8').catch(() => 'unknown');
+  const gitSha = await execFileAsync('git', ['-C', root, 'rev-parse', 'HEAD'])
+    .then(({ stdout }) => stdout.trim())
+    .catch(() => null);
+  const gitBranch = await execFileAsync('git', ['-C', root, 'branch', '--show-current'])
+    .then(({ stdout }) => stdout.trim())
+    .catch(() => null);
+  const builtAt = new Date().toISOString();
+  const buildId = gitSha ? `mindspace-${gitSha.slice(0, 12)}` : `mindspace-${Date.now()}`;
   const runbook = [
     'MindSpace service runtime artifact',
     '',
@@ -197,8 +208,22 @@ async function writeMetadata() {
     'but standalone MindSpace data paths must stay under /Users/john/MindSpace.',
     '',
     `Git head ref: ${head.trim()}`,
+    `Git sha: ${gitSha ?? 'unknown'}`,
+    `Git branch: ${gitBranch ?? 'unknown'}`,
+    `Build id: ${buildId}`,
+    `Built at: ${builtAt}`,
   ].join('\n');
   await fs.writeFile(path.join(runtimeRoot, 'RUNBOOK.txt'), runbook, 'utf8');
+  await fs.writeFile(
+    path.join(runtimeRoot, 'build-info.json'),
+    `${JSON.stringify({
+      buildId,
+      gitSha,
+      gitBranch,
+      builtAt,
+    }, null, 2)}\n`,
+    'utf8',
+  );
 }
 
 async function main() {
diff --git a/scripts/release-mindspace-service-prod.sh b/scripts/release-mindspace-service-prod.sh
index 60bd9f1..ea0c0f9 100644
--- a/scripts/release-mindspace-service-prod.sh
+++ b/scripts/release-mindspace-service-prod.sh
@@ -118,7 +118,7 @@ fi
 
 verify_runtime_artifact() {
   local missing=0
-  for required in README.md package.json server.mjs mindspace-rpc-server.mjs mindspace-service-bootstrap.mjs scripts/run-mindspace-prod.sh memind-source RUNBOOK.txt; do
+  for required in README.md package.json server.mjs mindspace-rpc-server.mjs mindspace-service-bootstrap.mjs scripts/run-mindspace-prod.sh memind-source RUNBOOK.txt build-info.json; do
     if [[ ! -e "${RUNTIME_ROOT}/${required}" ]]; then
       echo "runtime 产物缺失: ${RUNTIME_ROOT}/${required}" >&2
       missing=1
@@ -364,6 +364,75 @@ done
 [[ "$(curl -s -o /dev/null -w '%{http_code}' http://127.0.0.1:8082/health || true)" == "200" ]]
 service_is_running
 [[ "$(curl -s -o /dev/null -w '%{http_code}' http://127.0.0.1:8082/mindspace/v1/contract || true)" == "200" ]]
+EXPECTED_GIT_SHA="$(awk -F= '/^git_head=/{print $2}' "${MANIFEST}" | tail -n 1)"
+CONTRACT_JSON="$(curl -fsS http://127.0.0.1:8082/mindspace/v1/contract)"
+EXPECTED_GIT_SHA="${EXPECTED_GIT_SHA}" CONTRACT_JSON="${CONTRACT_JSON}" \
+  /opt/homebrew/opt/node@24/bin/node --input-type=module <<'NODE'
+const expectedGitSha = process.env.EXPECTED_GIT_SHA || '';
+const contract = JSON.parse(process.env.CONTRACT_JSON || '{}');
+const requiredCapabilities = [
+  'chat-save-authority',
+  'public-finish-authority',
+  'workspace-publication-delivery-authority',
+  'scoped-workspace-tools',
+];
+const requiredBindings = {
+  chatSaveService: [
+    'createSharedHtml',
+    'materializeWorkspaceHtml',
+    'readWorkspaceHtml',
+  ],
+  conversationArtifactService: [
+    'registerPublicHtmlArtifacts',
+    'registerWorkspaceFileArtifact',
+  ],
+  publicFinishService: [
+    'prepareWechatHtmlDelivery',
+    'syncAfterFinish',
+  ],
+  workspacePublicationDeliveryService: [
+    'resolveWorkspaceRequest',
+    'validateRunDeliverables',
+  ],
+  workspaceToolService: [
+    'readFile',
+    'writeFile',
+    'editFile',
+    'publishPage',
+    'writeBinaryFile',
+  ],
+};
+const exposedCapabilities = new Set(contract.requiredCapabilities || []);
+const missingCapabilities = requiredCapabilities.filter((item) => !exposedCapabilities.has(item));
+const missingBindings = [];
+for (const [binding, methods] of Object.entries(requiredBindings)) {
+  if (!Array.isArray(contract.bindings?.[binding])) {
+    missingBindings.push(binding);
+    continue;
+  }
+  for (const method of methods) {
+    if (!contract.bindings[binding].includes(method)) {
+      missingBindings.push(`${binding}.${method}`);
+    }
+  }
+}
+if (
+  contract.contractVersion !== 2 ||
+  missingCapabilities.length > 0 ||
+  missingBindings.length > 0 ||
+  (expectedGitSha && contract.gitSha !== expectedGitSha)
+) {
+  console.error(JSON.stringify({
+    message: 'MindSpace service contract check failed',
+    contractVersion: contract.contractVersion,
+    gitSha: contract.gitSha,
+    expectedGitSha,
+    missingCapabilities,
+    missingBindings,
+  }, null, 2));
+  process.exit(1);
+}
+NODE
 
 set_env() {
   local key="$1"
diff --git a/scripts/smoke-mindspace-split-service.mjs b/scripts/smoke-mindspace-split-service.mjs
index 080ba51..9a67aa2 100644
--- a/scripts/smoke-mindspace-split-service.mjs
+++ b/scripts/smoke-mindspace-split-service.mjs
@@ -212,7 +212,7 @@ async function main() {
       authToken: localToken,
       timeoutMs: 20_000,
     });
-    remote.assertReady();
+    await remote.assertReady();
 
     const workspaceRef = `mindspace://users/${userId}/workspace`;
     const html = pageHtml();
diff --git a/scripts/trace-mindspace-artifact.mjs b/scripts/trace-mindspace-artifact.mjs
new file mode 100644
index 0000000..36edf55
--- /dev/null
+++ b/scripts/trace-mindspace-artifact.mjs
@@ -0,0 +1,258 @@
+#!/usr/bin/env node
+import mysql from 'mysql2/promise';
+import {
+  parseMindSpacePublicUrl,
+} from '../mindspace-canonical-url.mjs';
+import {
+  loadMemindEnvFiles,
+} from './memind-runtime-profile.mjs';
+
+function usage() {
+  return [
+    'Usage: node scripts/trace-mindspace-artifact.mjs (--session-id <id> | --package-id <id> | --asset-id <id> | --public-url <url>) [--user-id <id>] [--json]',
+    '',
+    'Traces MindSpace package/artifact/asset records for a session, package, asset, or public URL.',
+  ].join('\n');
+}
+
+function parseArgs(argv) {
+  const args = {
+    sessionId: '',
+    packageId: '',
+    assetId: '',
+    publicUrl: '',
+    userId: '',
+    json: false,
+  };
+  for (let i = 2; i < argv.length; i += 1) {
+    const arg = argv[i];
+    if (arg === '--session-id' && argv[i + 1]) args.sessionId = argv[++i];
+    else if (arg === '--package-id' && argv[i + 1]) args.packageId = argv[++i];
+    else if (arg === '--asset-id' && argv[i + 1]) args.assetId = argv[++i];
+    else if (arg === '--public-url' && argv[i + 1]) args.publicUrl = argv[++i];
+    else if (arg === '--user-id' && argv[i + 1]) args.userId = argv[++i];
+    else if (arg === '--json') args.json = true;
+    else if (arg === '--help' || arg === '-h') {
+      console.log(usage());
+      process.exit(0);
+    } else {
+      console.error(`Unknown argument: ${arg}`);
+      console.error(usage());
+      process.exit(2);
+    }
+  }
+  if (!args.sessionId && !args.packageId && !args.assetId && !args.publicUrl) {
+    console.error(usage());
+    process.exit(2);
+  }
+  return args;
+}
+
+function createPoolFromEnv() {
+  loadMemindEnvFiles(process.cwd());
+  const poolOptions = { connectionLimit: 3 };
+  if (process.env.DATABASE_URL) {
+    return mysql.createPool({
+      uri: process.env.DATABASE_URL,
+      ...poolOptions,
+    });
+  }
+  if (!process.env.MYSQL_HOST && !process.env.MYSQL_DATABASE) {
+    throw new Error(
+      'MindSpace trace requires DATABASE_URL or MYSQL_* configuration',
+    );
+  }
+  return mysql.createPool({
+    host: process.env.MYSQL_HOST ?? 'localhost',
+    port: Number(process.env.MYSQL_PORT ?? 3306),
+    user: process.env.MYSQL_USER ?? 'boot',
+    password: process.env.MYSQL_PASSWORD ?? '',
+    database: process.env.MYSQL_DATABASE ?? 'tkmind',
+    ...poolOptions,
+  });
+}
+
+async function resolvePublicUrlTarget(pool, publicUrl) {
+  const parsed = parseMindSpacePublicUrl(publicUrl);
+  const ownerKey = parsed.ownerKey;
+  let userId = ownerKey;
+  const [users] = await pool.query(
+    `SELECT id, username FROM h5_users
+     WHERE id = ? OR username = ?
+     LIMIT 1`,
+    [ownerKey, ownerKey],
+  );
+  if (users[0]?.id) userId = users[0].id;
+  const [assets] = await pool.query(
+    `SELECT id FROM h5_assets
+     WHERE user_id = ? AND workspace_relative_path = ?
+     ORDER BY updated_at DESC
+     LIMIT 1`,
+    [userId, parsed.relativePath],
+  );
+  return {
+    userId,
+    relativePath: parsed.relativePath,
+    assetId: assets[0]?.id ?? '',
+  };
+}
+
+async function loadTrace(pool, args) {
+  let userId = args.userId;
+  let assetId = args.assetId;
+  let relativePath = '';
+  if (args.publicUrl) {
+    const resolved = await resolvePublicUrlTarget(pool, args.publicUrl);
+    userId = userId || resolved.userId;
+    assetId = assetId || resolved.assetId;
+    relativePath = resolved.relativePath;
+  }
+
+  const packageClauses = [];
+  const packageValues = [];
+  if (args.packageId) {
+    packageClauses.push('p.id = ?');
+    packageValues.push(args.packageId);
+  }
+  if (args.sessionId) {
+    packageClauses.push('p.session_id = ?');
+    packageValues.push(args.sessionId);
+  }
+  if (userId) {
+    packageClauses.push('p.user_id = ?');
+    packageValues.push(userId);
+  }
+  if (assetId) {
+    packageClauses.push(
+      `p.id IN (
+        SELECT package_id FROM h5_conversation_artifacts WHERE asset_id = ?
+      )`,
+    );
+    packageValues.push(assetId);
+  }
+
+  const [packages] = packageClauses.length
+    ? await pool.query(
+        `SELECT p.id, p.user_id, u.username, p.session_id, p.title,
+                p.status, p.storage_prefix, p.manifest_asset_id,
+                p.created_at, p.updated_at
+         FROM h5_conversation_packages p
+         LEFT JOIN h5_users u ON u.id = p.user_id
+         WHERE ${packageClauses.join(' AND ')}
+         ORDER BY p.updated_at DESC
+         LIMIT 20`,
+        packageValues,
+      )
+    : [[]];
+
+  const packageIds = packages.map((item) => item.id);
+  let artifacts = [];
+  if (packageIds.length > 0) {
+    const placeholders = packageIds.map(() => '?').join(',');
+    [artifacts] = await pool.query(
+      `SELECT ca.id, ca.package_id, ca.asset_id, ca.page_id,
+              ca.publication_id, ca.agent_run_id, ca.message_id, ca.role,
+              ca.artifact_kind, ca.display_name, ca.mime_type,
+              ca.size_bytes, ca.storage_key, ca.canonical_url,
+              ca.sort_order, ca.created_at
+       FROM h5_conversation_artifacts ca
+       WHERE ca.package_id IN (${placeholders})
+       ORDER BY ca.package_id ASC, ca.sort_order ASC, ca.created_at ASC`,
+      packageIds,
+    );
+  } else if (assetId) {
+    [artifacts] = await pool.query(
+      `SELECT ca.id, ca.package_id, ca.asset_id, ca.page_id,
+              ca.publication_id, ca.agent_run_id, ca.message_id, ca.role,
+              ca.artifact_kind, ca.display_name, ca.mime_type,
+              ca.size_bytes, ca.storage_key, ca.canonical_url,
+              ca.sort_order, ca.created_at
+       FROM h5_conversation_artifacts ca
+       WHERE ca.asset_id = ?
+       ORDER BY ca.created_at DESC
+       LIMIT 20`,
+      [assetId],
+    );
+  }
+
+  const assetIds = [
+    ...new Set(
+      [
+        assetId,
+        ...artifacts.map((item) => item.asset_id),
+      ].filter(Boolean),
+    ),
+  ];
+  let assets = [];
+  if (assetIds.length > 0) {
+    const placeholders = assetIds.map(() => '?').join(',');
+    [assets] = await pool.query(
+      `SELECT a.id, a.user_id, u.username, a.display_name,
+              a.workspace_relative_path, a.asset_type, a.mime_type,
+              a.size_bytes, a.status, a.visibility, a.updated_at
+       FROM h5_assets a
+       LEFT JOIN h5_users u ON u.id = a.user_id
+       WHERE a.id IN (${placeholders})
+       ORDER BY a.updated_at DESC`,
+      assetIds,
+    );
+  } else if (userId && relativePath) {
+    [assets] = await pool.query(
+      `SELECT a.id, a.user_id, u.username, a.display_name,
+              a.workspace_relative_path, a.asset_type, a.mime_type,
+              a.size_bytes, a.status, a.visibility, a.updated_at
+       FROM h5_assets a
+       LEFT JOIN h5_users u ON u.id = a.user_id
+       WHERE a.user_id = ? AND a.workspace_relative_path = ?
+       ORDER BY a.updated_at DESC`,
+      [userId, relativePath],
+    );
+  }
+
+  return {
+    target: {
+      sessionId: args.sessionId || null,
+      packageId: args.packageId || null,
+      assetId: assetId || null,
+      publicUrl: args.publicUrl || null,
+      userId: userId || null,
+      relativePath: relativePath || null,
+    },
+    packages,
+    artifacts,
+    assets,
+  };
+}
+
+function printTrace(trace) {
+  console.log('MindSpace trace target:');
+  console.log(JSON.stringify(trace.target, null, 2));
+  console.log(`packages: ${trace.packages.length}`);
+  for (const item of trace.packages) {
+    console.log(
+      `- ${item.id} session=${item.session_id} user=${item.username ?? item.user_id} updated=${item.updated_at}`,
+    );
+  }
+  console.log(`artifacts: ${trace.artifacts.length}`);
+  for (const item of trace.artifacts) {
+    console.log(
+      `- ${item.id} kind=${item.artifact_kind} package=${item.package_id} asset=${item.asset_id ?? '-'} url=${item.canonical_url ?? '-'}`,
+    );
+  }
+  console.log(`assets: ${trace.assets.length}`);
+  for (const item of trace.assets) {
+    console.log(
+      `- ${item.id} ${item.workspace_relative_path ?? '-'} status=${item.status} size=${item.size_bytes ?? 0}`,
+    );
+  }
+}
+
+const args = parseArgs(process.argv);
+const pool = createPoolFromEnv();
+try {
+  const trace = await loadTrace(pool, args);
+  if (args.json) console.log(JSON.stringify(trace, null, 2));
+  else printTrace(trace);
+} finally {
+  await pool.end();
+}
diff --git a/server/portal-domain-services-bootstrap.mjs b/server/portal-domain-services-bootstrap.mjs
index 630c10c..de97459 100644
--- a/server/portal-domain-services-bootstrap.mjs
+++ b/server/portal-domain-services-bootstrap.mjs
@@ -160,7 +160,7 @@ export async function bootstrapPortalDomainServices({
         logger,
       }),
     );
-  mindSpaceRuntimeAdapter.assertReady?.();
+  await mindSpaceRuntimeAdapter.assertReady?.();
 
   const mindSpaceServiceFacade =
     mindSpaceRuntimeAdapter.serviceFacade;