diff --git a/billing-token-state.mjs b/billing-token-state.mjs
index 5408fef..e5d6610 100644
--- a/billing-token-state.mjs
+++ b/billing-token-state.mjs
@@ -1,4 +1,5 @@
 import { normalizeTokenState } from './billing.mjs';
+import { fetchGooseSessionAccumulatedCostUsd } from './goose-session-cost.mjs';
 
 export function loadCostEstimateConfig(env = process.env) {
   const useBackendCost = env.H5_USE_BACKEND_COST === '1';
@@ -56,22 +57,44 @@ export function enrichTokenStateForBilling(
   return state;
 }
 
+async function resolveSessionCostPayload(sessionId, fetchSession, fetchSessionCostFromPg, env) {
+  let sessionCost = null;
+  if (typeof fetchSession === 'function' && sessionId) {
+    try {
+      sessionCost = await fetchSession(sessionId);
+    } catch {
+      sessionCost = null;
+    }
+  }
+  if (pickSessionAccumulatedCost(sessionCost) != null) {
+    return sessionCost;
+  }
+
+  const readPgCost =
+    typeof fetchSessionCostFromPg === 'function'
+      ? fetchSessionCostFromPg
+      : (sid) => fetchGooseSessionAccumulatedCostUsd(sid, env);
+  const pgUsd = env.H5_USE_BACKEND_COST === '1' ? await readPgCost(sessionId) : null;
+  if (pgUsd != null) {
+    return {
+      ...(sessionCost && typeof sessionCost === 'object' ? sessionCost : {}),
+      accumulated_cost: pgUsd,
+    };
+  }
+  return sessionCost;
+}
+
 export async function resolveBillingTokenState(
   tokenStateRaw,
-  { sessionId = null, fetchSession = null } = {},
+  { sessionId = null, fetchSession = null, fetchSessionCostFromPg = null } = {},
   env = process.env,
 ) {
   const state = normalizeTokenState(tokenStateRaw);
-
-  if (typeof fetchSession === 'function' && sessionId) {
-    try {
-      const session = await fetchSession(sessionId);
-      const enriched = enrichTokenStateForBilling(state, { sessionCost: session }, env);
-      if (enriched.accumulatedCost != null) return enriched;
-    } catch {
-      // Best-effort: fall through to inline cost / token estimate.
-    }
-  }
-
-  return enrichTokenStateForBilling(state, {}, env);
+  const sessionCost = await resolveSessionCostPayload(
+    sessionId,
+    fetchSession,
+    fetchSessionCostFromPg,
+    env,
+  );
+  return enrichTokenStateForBilling(state, { sessionCost }, env);
 }
diff --git a/billing-token-state.test.mjs b/billing-token-state.test.mjs
index 7c437ed..4ef7035 100644
--- a/billing-token-state.test.mjs
+++ b/billing-token-state.test.mjs
@@ -103,6 +103,23 @@ test('resolveBillingTokenState replaces inflated Finish cost with session cost',
   assert.equal(resolved.accumulatedCost, 0.006738208);
 });
 
+test('resolveBillingTokenState uses PG cost when goosed session API omits accumulated_cost', async () => {
+  const resolved = await resolveBillingTokenState(
+    {
+      accumulatedInputTokens: 280030,
+      accumulatedOutputTokens: 5797,
+      accumulatedCost: 0.082,
+    },
+    {
+      sessionId: '20260804_19',
+      fetchSession: async () => ({ id: '20260804_19', accumulated_cost: null }),
+      fetchSessionCostFromPg: async () => 0.006738208,
+    },
+    { H5_USE_BACKEND_COST: '1' },
+  );
+  assert.equal(resolved.accumulatedCost, 0.006738208);
+});
+
 test('enriched cost drives 1.2x billing instead of flat fallback', () => {
   const previous = { lastInputTokens: 224853, lastOutputTokens: 6685, lastAccumulatedCost: null };
   const tokenState = enrichTokenStateForBilling(
diff --git a/goose-session-cost.mjs b/goose-session-cost.mjs
new file mode 100644
index 0000000..06261e1
--- /dev/null
+++ b/goose-session-cost.mjs
@@ -0,0 +1,71 @@
+let sharedPgClientPromise = null;
+
+export function resolveGooseSessionPgUrl(env = process.env) {
+  const explicit = String(env.GOOSE_SESSION_DB_URL ?? '').trim();
+  if (explicit) return explicit;
+  const host = env.GOOSE_SESSION_PG_HOST ?? '127.0.0.1';
+  const port = env.GOOSE_SESSION_PG_PORT ?? '5432';
+  const database = env.GOOSE_SESSION_PG_DATABASE ?? 'memind_sessions';
+  const user = env.GOOSE_SESSION_PG_USER ?? 'john';
+  const password = env.GOOSE_SESSION_PG_PASSWORD ?? '';
+  if (password) {
+    return `postgresql://${encodeURIComponent(user)}:${encodeURIComponent(password)}@${host}:${port}/${database}`;
+  }
+  return `postgresql://${user}@${host}:${port}/${database}`;
+}
+
+export function isGooseSessionPgConfigured(env = process.env) {
+  if (String(env.GOOSE_SESSION_DB_URL ?? '').trim()) return true;
+  return String(env.GOOSE_SESSION_PG_DISABLE ?? '') !== '1';
+}
+
+async function getSharedPgClient(env = process.env) {
+  if (!isGooseSessionPgConfigured(env)) return null;
+  if (!sharedPgClientPromise) {
+    sharedPgClientPromise = import('pg')
+      .then(async ({ default: pg }) => {
+        const client = new pg.Client({ connectionString: resolveGooseSessionPgUrl(env) });
+        await client.connect();
+        return client;
+      })
+      .catch((err) => {
+        sharedPgClientPromise = null;
+        throw err;
+      });
+  }
+  return sharedPgClientPromise;
+}
+
+export async function fetchGooseSessionAccumulatedCostUsd(sessionId, env = process.env) {
+  const normalizedSessionId = String(sessionId ?? '').trim();
+  if (!normalizedSessionId || !isGooseSessionPgConfigured(env)) return null;
+  try {
+    const client = await getSharedPgClient(env);
+    const result = await client.query(
+      `SELECT accumulated_cost FROM sessions WHERE id = $1 LIMIT 1`,
+      [normalizedSessionId],
+    );
+    const raw = result.rows[0]?.accumulated_cost;
+    if (raw == null) return null;
+    const value = Number(raw);
+    return Number.isFinite(value) && value >= 0 ? value : null;
+  } catch {
+    return null;
+  }
+}
+
+export function createGooseSessionCostReader(env = process.env) {
+  return (sessionId) => fetchGooseSessionAccumulatedCostUsd(sessionId, env);
+}
+
+export async function closeGooseSessionPgClient() {
+  if (!sharedPgClientPromise) return;
+  try {
+    const client = await sharedPgClientPromise;
+    await client.end();
+  } catch {
+    // ignore shutdown errors in tests/scripts
+  } finally {
+    sharedPgClientPromise = null;
+  }
+}
diff --git a/goose-session-cost.test.mjs b/goose-session-cost.test.mjs
new file mode 100644
index 0000000..be55cbc
--- /dev/null
+++ b/goose-session-cost.test.mjs
@@ -0,0 +1,30 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import {
+  isGooseSessionPgConfigured,
+  resolveGooseSessionPgUrl,
+} from './goose-session-cost.mjs';
+
+test('resolveGooseSessionPgUrl prefers GOOSE_SESSION_DB_URL', () => {
+  assert.equal(
+    resolveGooseSessionPgUrl({ GOOSE_SESSION_DB_URL: 'postgresql://u:p@host:5432/db' }),
+    'postgresql://u:p@host:5432/db',
+  );
+});
+
+test('resolveGooseSessionPgUrl builds local default DSN', () => {
+  assert.equal(
+    resolveGooseSessionPgUrl({
+      GOOSE_SESSION_PG_HOST: '127.0.0.1',
+      GOOSE_SESSION_PG_PORT: '5432',
+      GOOSE_SESSION_PG_DATABASE: 'memind_sessions',
+      GOOSE_SESSION_PG_USER: 'john',
+    }),
+    'postgresql://john@127.0.0.1:5432/memind_sessions',
+  );
+});
+
+test('isGooseSessionPgConfigured can be disabled explicitly', () => {
+  assert.equal(isGooseSessionPgConfigured({ GOOSE_SESSION_PG_DISABLE: '1' }), false);
+  assert.equal(isGooseSessionPgConfigured({ GOOSE_SESSION_DB_URL: 'postgresql://x' }), true);
+});
diff --git a/mindspace-analytics.mjs b/mindspace-analytics.mjs
index 9b85f8f..969949d 100644
--- a/mindspace-analytics.mjs
+++ b/mindspace-analytics.mjs
@@ -68,6 +68,20 @@ export function resolveAnalyticsOwnerLabel(user = {}) {
   return label.replace(/[\r\n\t]+/g, ' ').slice(0, 80) || '未命名用户';
 }
 
+export function buildViewerAnalyticsIdentity(viewer, config = {}) {
+  if (!viewer?.id) return null;
+  const distinctId = resolveAnalyticsIdentity(viewer.id, config);
+  if (!distinctId) return null;
+  return {
+    distinctId,
+    username: resolveAnalyticsOwnerLabel(viewer),
+    ownerSegment: resolveAnalyticsOwnerSegment(viewer),
+    planType: resolveAnalyticsPlan(viewer),
+    channel: 'public',
+    identityMode: config.identityMode === 'raw' ? 'raw' : 'pseudonymous',
+  };
+}
+
 export function buildProductAnalyticsContext({ config, user = null } = {}) {
   if (!config?.enabled || !config.websiteId) return { enabled: false };
   const distinctId = user?.id ? resolveAnalyticsIdentity(user.id, config) : '';
@@ -152,6 +166,7 @@ export function injectMindSpaceAnalytics(html, {
   planType = 'unknown',
   generatedAt = '',
   channel = 'h5',
+  viewerIdentity = null,
   config = resolveMindSpaceAnalyticsConfig(),
 } = {}) {
   const source = String(html ?? '');
@@ -167,7 +182,8 @@ export function injectMindSpaceAnalytics(html, {
     `data-host-url="${config.hostPath}"`,
   ];
   if (config.domains) attrs.push(`data-domains="${config.domains.replaceAll('"', '"')}"`);
-  const block = `<script ${attrs.join(' ')} defer src="${config.scriptPath}"></script><script ${ANALYTICS_MARKER}>(function(){var d=${jsonForInlineScript(metadata)},seen={};function safeTarget(h){if(!h)return'';try{var u=new URL(h,location.href);return u.origin===location.origin?u.pathname:'external:'+u.hostname;}catch{return'';}}function t(n,x){if(!window.umami||typeof window.umami.track!=='function')return;var p=Object.assign({},d,{page_url:location.href,page_route:location.pathname,page_title:document.title},x||{});window.umami.track(n,p);}function identify(){if(!window.umami||typeof window.umami.identify!=='function')return;window.umami.identify(d.owner_id,{username:d.username,memind_page_url:location.href,owner_segment:d.owner_segment,plan_type:d.plan_type,channel:d.channel,surface:d.surface,identity_mode:d.identity_mode});}function pageview(){if(!window.umami||typeof window.umami.track!=='function')return;window.umami.track();}function once(n,x){if(seen[n])return;seen[n]=1;t(n,x);}function ready(){identify();pageview();document.addEventListener('click',function(e){var el=e.target&&e.target.closest?e.target.closest('a,button,[role="button"],[data-umami-event]'):null;if(!el)return;var custom=el.getAttribute('data-umami-event');var href=el.tagName==='A'?el.getAttribute('href')||'':'';t(custom||'page_click',{element:el.tagName.toLowerCase(),element_id:el.id||'',event_label:(custom||el.getAttribute('aria-label')||'').slice(0,100),target_path:safeTarget(href)});},{passive:true});document.addEventListener('submit',function(e){var form=e.target;t('page_form_submit',{form_id:form&&form.id||'',form_action:safeTarget(form&&form.getAttribute('action')||'')});},{passive:true});var marks=[25,50,75,90];function scroll(){var h=document.documentElement.scrollHeight-window.innerHeight;if(h<=0){once('page_scroll_100');return;}var pct=Math.round(window.scrollY/h*100);marks.forEach(function(m){if(pct>=m)once('page_scroll_'+m);});}window.addEventListener('scroll',scroll,{passive:true});setTimeout(function(){once('page_engaged_10s');},10000);setTimeout(function(){once('page_engaged_30s');},30000);scroll();}if(document.readyState==='loading'){document.addEventListener('DOMContentLoaded',ready,{once:true});}else{ready();}})();</script>`;
+  const viewerJson = viewerIdentity ? jsonForInlineScript(viewerIdentity) : 'null';
+  const block = `<script ${attrs.join(' ')} defer src="${config.scriptPath}"></script><script ${ANALYTICS_MARKER}>(function(){var d=${jsonForInlineScript(metadata)},v=${viewerJson},seen={};function safeTarget(h){if(!h)return'';try{var u=new URL(h,location.href);return u.origin===location.origin?u.pathname:'external:'+u.hostname;}catch{return'';}}function t(n,x){if(!window.umami||typeof window.umami.track!=='function')return;var p=Object.assign({},d,{page_url:location.href,page_route:location.pathname,page_title:document.title},x||{});window.umami.track(n,p);}function identifyViewer(){if(!v||!v.distinctId||!window.umami||typeof window.umami.identify!=='function')return;window.umami.identify(v.distinctId,{username:v.username||'',memind_page_url:location.href,owner_segment:v.ownerSegment||'',plan_type:v.planType||'',channel:v.channel||'public',surface:'generated_page',identity_mode:v.identityMode||'pseudonymous'});}function pageview(){if(!window.umami||typeof window.umami.track!=='function')return;window.umami.track();}function once(n,x){if(seen[n])return;seen[n]=1;t(n,x);}function ready(){identifyViewer();pageview();document.addEventListener('click',function(e){var el=e.target&&e.target.closest?e.target.closest('a,button,[role="button"],[data-umami-event]'):null;if(!el)return;var custom=el.getAttribute('data-umami-event');var href=el.tagName==='A'?el.getAttribute('href')||'':'';t(custom||'page_click',{element:el.tagName.toLowerCase(),element_id:el.id||'',event_label:(custom||el.getAttribute('aria-label')||'').slice(0,100),target_path:safeTarget(href)});},{passive:true});document.addEventListener('submit',function(e){var form=e.target;t('page_form_submit',{form_id:form&&form.id||'',form_action:safeTarget(form&&form.getAttribute('action')||'')});},{passive:true});var marks=[25,50,75,90];function scroll(){var h=document.documentElement.scrollHeight-window.innerHeight;if(h<=0){once('page_scroll_100');return;}var pct=Math.round(window.scrollY/h*100);marks.forEach(function(m){if(pct>=m)once('page_scroll_'+m);});}window.addEventListener('scroll',scroll,{passive:true});setTimeout(function(){once('page_engaged_10s');},10000);setTimeout(function(){once('page_engaged_30s');},30000);scroll();}if(document.readyState==='loading'){document.addEventListener('DOMContentLoaded',ready,{once:true});}else{ready();}})();</script>`;
   if (/<\/head>/i.test(source)) return source.replace(/<\/head>/i, `${block}</head>`);
   return source.replace(/<body\b/i, `${block}<body`);
 }
diff --git a/mindspace-analytics.test.mjs b/mindspace-analytics.test.mjs
index 334f009..30f49c3 100644
--- a/mindspace-analytics.test.mjs
+++ b/mindspace-analytics.test.mjs
@@ -4,6 +4,7 @@ import vm from 'node:vm';
 
 import {
   buildProductAnalyticsContext,
+  buildViewerAnalyticsIdentity,
   injectMindSpaceAnalytics,
   pseudonymizeAnalyticsId,
   resolveAnalyticsIdentity,
@@ -124,9 +125,10 @@ test('injects one local same-origin tracker with page dimensions', () => {
   assert.match(out, /src="\/analytics\/script\.js"/);
   assert.match(out, /data-host-url="\/analytics"/);
   assert.match(out, /data-auto-track="false"/);
-  assert.match(out, /window\.umami\.identify\(d\.owner_id,\{username:d\.username,memind_page_url:location\.href,owner_segment:d\.owner_segment,plan_type:d\.plan_type,channel:d\.channel,surface:d\.surface,identity_mode:d\.identity_mode\}\)/);
+  assert.doesNotMatch(out, /umami\.identify\(d\.owner_id/);
+  assert.match(out, /function identifyViewer\(\)/);
+  assert.match(out, /identifyViewer\(\);pageview\(\)/);
   assert.match(out, /function pageview\(\).*window\.umami\.track\(\)/);
-  assert.ok(out.indexOf('identify();pageview();') > 0);
   assert.doesNotMatch(out, /t\('page_view'\)/);
   assert.match(out, /page_id/);
   assert.match(out, /owner_segment/);
@@ -143,7 +145,7 @@ test('injects one local same-origin tracker with page dimensions', () => {
   assert.equal(injectMindSpaceAnalytics(out, { ownerId: 'user-123', config: { enabled: true, websiteId: 'local-website', idSecret: 'secret' } }), out);
 });
 
-test('identifies the pseudonymous owner before sending a standard page view', () => {
+test('public visitors skip creator identify and only send a standard page view', () => {
   const out = injectMindSpaceAnalytics('<!doctype html><html><head></head><body></body></html>', {
     ownerId: 'user-123',
     ownerSegment: 'plan:pro',
@@ -177,22 +179,67 @@ test('identifies the pseudonymous owner before sending a standard page view', ()
       documentElement: { scrollHeight: 1600 },
       addEventListener: () => {},
     },
-    location: { href: 'https://m.tkmind.cn/MindSpace/demo/public/page.html' },
+    location: { href: 'https://m.tkmind.cn/MindSpace/demo/public/page.html', pathname: '/MindSpace/demo/public/page.html' },
+    setTimeout: () => {},
+  });
+
+  assert.deepEqual(JSON.parse(JSON.stringify(calls)), [['track']]);
+});
+
+test('logged-in public visitors identify themselves without using the page creator id', () => {
+  const viewerId = pseudonymizeAnalyticsId('viewer-456', 'secret');
+  const out = injectMindSpaceAnalytics('<!doctype html><html><head></head><body></body></html>', {
+    ownerId: 'user-123',
+    ownerLabel: '张三',
+    viewerIdentity: buildViewerAnalyticsIdentity(
+      { id: 'viewer-456', displayName: '李四', role: 'user', planType: 'free' },
+      { idSecret: 'secret', identityMode: 'pseudonymous' },
+    ),
+    config: {
+      enabled: true,
+      websiteId: 'local-website',
+      idSecret: 'secret',
+      scriptPath: '/analytics/script.js',
+      hostPath: '/analytics',
+    },
+  });
+  const inlineScript = out.match(/<script data-memind-analytics="1">([\s\S]*?)<\/script>/)?.[1];
+  assert.ok(inlineScript);
+
+  const calls = [];
+  vm.runInNewContext(inlineScript, {
+    window: {
+      umami: {
+        identify: (...args) => calls.push(['identify', ...args]),
+        track: (...args) => calls.push(['track', ...args]),
+      },
+      innerHeight: 800,
+      scrollY: 0,
+      addEventListener: () => {},
+    },
+    document: {
+      readyState: 'complete',
+      title: 'Demo',
+      documentElement: { scrollHeight: 1600 },
+      addEventListener: () => {},
+    },
+    location: { href: 'https://m.tkmind.cn/MindSpace/demo/public/page.html', pathname: '/MindSpace/demo/public/page.html' },
     setTimeout: () => {},
   });
 
   assert.deepEqual(JSON.parse(JSON.stringify(calls)), [
-    ['identify', pseudonymizeAnalyticsId('user-123', 'secret'), {
-      username: '张三',
+    ['identify', viewerId, {
+      username: '李四',
       memind_page_url: 'https://m.tkmind.cn/MindSpace/demo/public/page.html',
-      owner_segment: 'plan:pro',
-      channel: 'h5',
+      owner_segment: 'plan:free',
+      plan_type: 'free',
+      channel: 'public',
       surface: 'generated_page',
-      plan_type: 'unknown',
       identity_mode: 'pseudonymous',
     }],
     ['track'],
   ]);
+  assert.notEqual(viewerId, 'user-123');
 });
 
 test('does not alter non-full-html or disabled pages', () => {
diff --git a/scripts/compensate-billing-token-estimate-overcharge.mjs b/scripts/compensate-billing-token-estimate-overcharge.mjs
index 1069a73..4a1b2ef 100644
--- a/scripts/compensate-billing-token-estimate-overcharge.mjs
+++ b/scripts/compensate-billing-token-estimate-overcharge.mjs
@@ -13,6 +13,7 @@ import path from 'node:path';
 import { fileURLToPath } from 'node:url';
 import mysql from 'mysql2/promise';
 import pg from 'pg';
+import { resolveGooseSessionPgUrl } from '../goose-session-cost.mjs';
 
 const root = path.join(path.dirname(fileURLToPath(import.meta.url)), '..');
 
@@ -33,9 +34,14 @@ loadEnvFile(path.join(root, '.env'));
 
 const apply = process.argv.includes('--apply');
 const sinceArg = process.argv.find((a) => a.startsWith('--since='));
-const sinceDate = sinceArg ? sinceArg.slice('--since='.length) : '2026-08-04';
-const startMs = new Date(`${sinceDate}T00:00:00+08:00`).getTime();
-const DEDupe_NOTE_PREFIX = `补偿：Token估价超扣(${sinceDate}起)`;
+const sinceRaw = sinceArg ? sinceArg.slice('--since='.length) : '2026-08-04';
+const startMs = sinceRaw.includes('T')
+  ? new Date(sinceRaw).getTime()
+  : new Date(`${sinceRaw}T00:00:00+08:00`).getTime();
+const sinceLabel = sinceRaw.includes('T')
+  ? sinceRaw.replace('T', ' ').replace('+08:00', ' CST')
+  : `${sinceRaw} 00:00 CST`;
+const DEDupe_NOTE_PREFIX = `补偿：Token估价超扣(${sinceLabel}起)`;
 
 function loadBillingConfig() {
   const marginMultiplier = Number(process.env.H5_MARGIN_MULTIPLIER ?? 1);
@@ -56,12 +62,7 @@ function correctTotalCents(gooseCostUsd, config) {
 }
 
 function resolvePgUrl() {
-  if (process.env.GOOSE_SESSION_DB_URL) return process.env.GOOSE_SESSION_DB_URL;
-  const host = process.env.GOOSE_SESSION_PG_HOST ?? '127.0.0.1';
-  const port = process.env.GOOSE_SESSION_PG_PORT ?? '5432';
-  const db = process.env.GOOSE_SESSION_PG_DATABASE ?? 'memind_sessions';
-  const user = process.env.GOOSE_SESSION_PG_USER ?? 'john';
-  return `postgresql://${user}@${host}:${port}/${db}`;
+  return resolveGooseSessionPgUrl(process.env);
 }
 
 async function main() {
@@ -102,7 +103,7 @@ async function main() {
 
     const sessionIds = [...bySession.keys()];
     if (sessionIds.length === 0) {
-      console.log('No usage records since', sinceDate);
+      console.log('No usage records since', sinceLabel);
       return;
     }
 
@@ -150,7 +151,7 @@ async function main() {
     const totalRefund = users.reduce((sum, user) => sum + user.refundCents, 0);
 
     console.log('Billing config:', config);
-    console.log('Since:', sinceDate, `(${startMs})`);
+    console.log('Since:', sinceLabel, `(${startMs})`);
     console.log('Affected users:', users.length);
     console.log('Total refund:', `¥${(totalRefund / 100).toFixed(2)}`, `(${totalRefund} cents)`);
     console.log('');
diff --git a/server/portal-published-page-delivery.mjs b/server/portal-published-page-delivery.mjs
index 16a0a6c..7e5b67b 100644
--- a/server/portal-published-page-delivery.mjs
+++ b/server/portal-published-page-delivery.mjs
@@ -6,6 +6,7 @@ import {
   collectInlineScriptHashes,
 } from '../mindspace-public-delivery.mjs';
 import {
+  buildViewerAnalyticsIdentity,
   injectMindSpaceAnalytics,
   resolveAnalyticsOwnerLabel,
   resolveAnalyticsOwnerSegment,
@@ -51,6 +52,7 @@ async function decoratePublicationHtmlAnalytics(
     result,
     analyticsConfig,
     rybbitConfig,
+    viewer = null,
     getAuthPool = () => null,
     getUserAuth = () => null,
     getMindSpacePages = () => null,
@@ -112,6 +114,7 @@ async function decoratePublicationHtmlAnalytics(
     generatedAt: pageDataContext?.generatedAt ?? '',
     pageId,
     publicationId,
+    viewerIdentity: buildViewerAnalyticsIdentity(viewer, analyticsConfig),
     config: analyticsConfig,
   });
   decorated = injectMindSpaceRybbit(decorated, {
@@ -215,6 +218,7 @@ export function createPortalPublishedPageDelivery({
       result,
       analyticsConfig,
       rybbitConfig,
+      viewer: req.currentUser ?? null,
       getAuthPool,
       getUserAuth,
       getMindSpacePages,
@@ -346,6 +350,7 @@ export function createPortalPublishedPageDelivery({
         result,
         analyticsConfig,
         rybbitConfig,
+        viewer: req.currentUser ?? null,
         getAuthPool,
         getUserAuth,
         getMindSpacePages,
diff --git a/server/portal-workspace-publication-delivery.mjs b/server/portal-workspace-publication-delivery.mjs
index bec01de..748ed69 100644
--- a/server/portal-workspace-publication-delivery.mjs
+++ b/server/portal-workspace-publication-delivery.mjs
@@ -1,4 +1,5 @@
 import {
+  buildViewerAnalyticsIdentity,
   injectMindSpaceAnalytics,
   resolveAnalyticsOwnerLabel,
   resolveAnalyticsOwnerSegment,
@@ -250,6 +251,10 @@ export function createPortalWorkspacePublicationDelivery({
         pageDataContext?.publicationId ??
         pageDataContext?.publication_id ??
         '',
+      viewerIdentity: buildViewerAnalyticsIdentity(
+        req.currentUser ?? null,
+        analyticsConfig,
+      ),
       config: analyticsConfig,
     });
     html = injectMindSpaceRybbit(html, {