feat: harden orchestrator execution runtime

mindspace-public-page-context.mjs

@@ -2,6 +2,7 @@ import fs from 'node:fs';
 import path from 'node:path';
 import { PUBLISH_KEY_UUID, PUBLISH_ROOT_DIR } from './user-publish.mjs';
 import { normalizeWorkspaceRelativePath } from './mindspace-pages.mjs';
+import { getPageDataPolicyIndexByWorkspacePath } from './page-data-policy-index.mjs';
 
 const LOCAL_HOST_PATTERN = /^(localhost|127\.0\.0\.1|\[::1\]|192\.168\.|10\.|100\.)/i;
 
@@ -102,6 +103,56 @@ export function injectPublishedPageDataContext(html, { pageSource = null, public
   });
 }
 
+export async function resolveMindSpacePageDataContext({
+  pool = null,
+  pageService = null,
+  userId,
+  relativePath,
+  logger = console,
+} = {}) {
+  const normalizedUserId = String(userId ?? '').trim().toLowerCase();
+  const normalizedRelativePath = normalizeWorkspaceRelativePath(relativePath);
+  if (!normalizedUserId || !normalizedRelativePath) return null;
+
+  // Page Data policy lives in the Portal control plane. In split-service mode the
+  // generic MindSpace page service is remote, so it may not see a local binding
+  // immediately. Resolve the local binding index first and retain the page service
+  // as the compatibility fallback for ordinary published pages.
+  const indexed = await getPageDataPolicyIndexByWorkspacePath(
+    pool,
+    normalizedUserId,
+    normalizedRelativePath,
+  ).catch((error) => {
+    logger?.warn?.(
+      `[MindSpace] failed to resolve local Page Data binding for ${normalizedUserId}/${normalizedRelativePath}: ${error?.message || error}`,
+    );
+    return null;
+  });
+  if (indexed?.pageId) {
+    return {
+      pageId: indexed.pageId,
+      accessMode: indexed.accessMode ?? null,
+      publicationId: indexed.publicationId ?? null,
+    };
+  }
+
+  if (typeof pageService?.findPageByRelativePath !== 'function') return null;
+  const page = await pageService
+    .findPageByRelativePath(normalizedUserId, normalizedRelativePath)
+    .catch((error) => {
+      logger?.warn?.(
+        `[MindSpace] failed to resolve remote page context for ${normalizedUserId}/${normalizedRelativePath}: ${error?.message || error}`,
+      );
+      return null;
+    });
+  if (!page?.id) return null;
+  return {
+    pageId: page.id,
+    accessMode: page.publicationAccessMode ?? null,
+    publicationId: page.currentPublishId ?? page.current_publish_id ?? null,
+  };
+}
+
 export const mindspacePublicPageContextInternals = {
   LOCAL_HOST_PATTERN,
 };