feat(page-data): complete Phase 4-5, ops UI, and publish integration

Add visitor roles, row-level scope, owner ops APIs, MySQL policy index,
Turnstile captcha, browser client SDK, publish-panel dataset binding,
acceptance tests, and usage documentation.

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/run-memind-tests.mjs

@@ -141,6 +141,14 @@ const SCOPE_RULES = [
       'page-data-routes.test.mjs',
       'page-data-public-service.test.mjs',
       'page-data-integration.test.mjs',
+      'page-data-acceptance.test.mjs',
+      'page-data-log-store.test.mjs',
+      'page-access-visitor.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',
+      'page-data-captcha.test.mjs',
       'mindspace-sandbox-mcp.test.mjs',
     ],
   },