diff --git a/mindspace-delivery-contract.mjs b/mindspace-delivery-contract.mjs
index 2917b3b..3c95698 100644
--- a/mindspace-delivery-contract.mjs
+++ b/mindspace-delivery-contract.mjs
@@ -46,3 +46,34 @@ export async function markPageDeliveryContractReady({ pool, userId, relativePath
   );
   return Number(result?.affectedRows ?? 0) > 0;
 }
+
+export async function releaseMaterializedPageDeliveryContracts({
+  pool,
+  userId,
+  relativePaths = [],
+  allowPgRequired = false,
+} = {}) {
+  if (!pool || !userId) return [];
+  const released = [];
+  for (const rawPath of relativePaths) {
+    const workspaceRelativePath = normalizeDeliveryRelativePath(rawPath);
+    if (!workspaceRelativePath) continue;
+    const contract = await getPageDeliveryContract({
+      pool,
+      userId,
+      relativePath: workspaceRelativePath,
+    });
+    if (!contract || contract.status === 'ready') continue;
+    if (contract.data_mode === 'pg_required' && !allowPgRequired) continue;
+    if (
+      await markPageDeliveryContractReady({
+        pool,
+        userId,
+        relativePath: workspaceRelativePath,
+      })
+    ) {
+      released.push(workspaceRelativePath);
+    }
+  }
+  return released;
+}
diff --git a/mindspace-delivery-contract.test.mjs b/mindspace-delivery-contract.test.mjs
index 6c8bf39..aa6da9f 100644
--- a/mindspace-delivery-contract.test.mjs
+++ b/mindspace-delivery-contract.test.mjs
@@ -5,6 +5,7 @@ import {
   markPageDeliveryContractReady,
   normalizeDeliveryRelativePath,
   preparePageDeliveryContract,
+  releaseMaterializedPageDeliveryContracts,
 } from './mindspace-delivery-contract.mjs';
 
 test('normalizes only safe public HTML delivery paths', () => {
@@ -40,3 +41,43 @@ test('contract lifecycle writes preparing then ready against the same route key'
   assert.equal(await markPageDeliveryContractReady({ pool, userId: 'user-1', relativePath: 'public/form.html' }), true);
   assert.ok(calls.some((call) => call.sql.includes("status = 'ready'")));
 });
+
+test('releaseMaterializedPageDeliveryContracts skips pg_required until allowed', async () => {
+  const calls = [];
+  const pool = {
+    async query(sql, params) {
+      calls.push({ sql, params });
+      if (sql.includes('SELECT id, data_mode')) {
+        const path = params?.[1];
+        if (path === 'public/form.html') {
+          return [[{ id: 'c1', data_mode: 'pg_required', status: 'preparing' }]];
+        }
+        if (path === 'public/report.html') {
+          return [[{ id: 'c2', data_mode: 'static', status: 'preparing' }]];
+        }
+        return [[]];
+      }
+      if (sql.includes("status = 'ready'")) return [{ affectedRows: 1 }];
+      return [{ affectedRows: 0 }];
+    },
+  };
+
+  assert.deepEqual(
+    await releaseMaterializedPageDeliveryContracts({
+      pool,
+      userId: 'user-1',
+      relativePaths: ['public/form.html', 'public/report.html'],
+      allowPgRequired: false,
+    }),
+    ['public/report.html'],
+  );
+  assert.deepEqual(
+    await releaseMaterializedPageDeliveryContracts({
+      pool,
+      userId: 'user-1',
+      relativePaths: ['public/form.html'],
+      allowPgRequired: true,
+    }),
+    ['public/form.html'],
+  );
+});
diff --git a/scheduled-task-executor.mjs b/scheduled-task-executor.mjs
index b35b932..c860142 100644
--- a/scheduled-task-executor.mjs
+++ b/scheduled-task-executor.mjs
@@ -1,7 +1,7 @@
 import crypto from 'node:crypto';
 import path from 'node:path';
 import { buildChatSkillPrompt, SCHEDULED_TASK_AUTOMATION_SKILL_NAME } from './chat-skills.mjs';
-import { markPageDeliveryContractReady } from './mindspace-delivery-contract.mjs';
+import { releaseMaterializedPageDeliveryContracts } from './mindspace-delivery-contract.mjs';
 import {
   collectOwnPublicHtmlRelativePaths,
   materializeMissingPublicHtmlWrites,
@@ -126,29 +126,29 @@ export async function finalizeScheduledTaskPageDelivery({
     const [rows] = await pool.query(
       `SELECT workspace_relative_path
        FROM h5_page_delivery_contracts
-       WHERE user_id = ? AND request_id = ? AND status = 'preparing'`,
-      [userId, sessionId],
+       WHERE user_id = ? AND status = 'preparing'`,
+      [userId],
     );
     for (const row of rows ?? []) {
       if (row?.workspace_relative_path) relativePaths.add(row.workspace_relative_path);
     }
   }
 
-  const readyPaths = [];
-  for (const relativePath of relativePaths) {
-    const ready = await markPageDeliveryContractReady({
-      pool,
+  const readyPaths = await releaseMaterializedPageDeliveryContracts({
+    pool,
+    userId,
+    relativePaths: [...relativePaths],
+    allowPgRequired: true,
+  }).catch((error) => {
+    logger.warn?.('[ScheduledTask] release delivery contracts failed:', error);
+    return [];
+  });
+  for (const relativePath of readyPaths) {
+    logger.info?.('[ScheduledTask] delivery contract ready', {
       userId,
+      sessionId,
       relativePath,
-    }).catch(() => false);
-    if (ready) readyPaths.push(relativePath);
-    else {
-      logger.warn?.('[ScheduledTask] delivery contract not ready', {
-        userId,
-        sessionId,
-        relativePath,
-      });
-    }
+    });
   }
   return readyPaths;
 }
diff --git a/server/portal-session-routes.mjs b/server/portal-session-routes.mjs
index bb7f09a..83d6c2e 100644
--- a/server/portal-session-routes.mjs
+++ b/server/portal-session-routes.mjs
@@ -13,6 +13,7 @@ import {
 import {
   markPageDeliveryContractReady,
   preparePageDeliveryContract,
+  releaseMaterializedPageDeliveryContracts,
 } from '../mindspace-delivery-contract.mjs';
 import { maybeRepairH5HtmlAfterFinish } from '../mindspace-h5-html-finish-guard.mjs';
 import { maybeRepairPageDataAfterFinish } from '../mindspace-page-data-finish-guard.mjs';
@@ -79,6 +80,8 @@ export function attachPortalSessionRoutes(
       maybeRepairPageDataAfterFinish,
     markPageDeliveryContractReadyFn =
       markPageDeliveryContractReady,
+    releaseMaterializedPageDeliveryContractsFn =
+      releaseMaterializedPageDeliveryContracts,
     finishDeliveryRetryDelaysMs = [250, 1_000],
     finishDeliveryRetryWaitFn = (delayMs) =>
       new Promise((resolve) =>
@@ -477,6 +480,8 @@ export function attachPortalSessionRoutes(
       // workspace from DB-backed assets only.
       const finalizeAfterFinishOnce = async (sid, uid) => {
         beginSessionPageDelivery(sid);
+        let releaseCandidatePaths = [];
+        let allowPgRequiredRelease = false;
         try {
           const apiFetchFn = async (pathname, init) => {
             const target = await tkmindProxy.resolveTarget(sid);
@@ -616,6 +621,8 @@ export function attachPortalSessionRoutes(
                 ...deliveryContractWrites.keys(),
               ]),
             ].sort();
+          releaseCandidatePaths = publicHtmlRelativePaths;
+          allowPgRequiredRelease = htmlReady && pageDataReady;
           const pgRequired = [
             ...(Array.isArray(messages) ? messages : []),
           ].some(
@@ -660,11 +667,6 @@ export function attachPortalSessionRoutes(
                   pgRequired,
                 });
               }
-              await markPageDeliveryContractReadyFn({
-                pool: authPool,
-                userId: uid,
-                relativePath,
-              }).catch(() => false);
             }
           }
           const memoryV2 = getMemoryV2();
@@ -685,6 +687,20 @@ export function attachPortalSessionRoutes(
               });
           }
         } finally {
+          if (releaseCandidatePaths.length > 0) {
+            await releaseMaterializedPageDeliveryContractsFn({
+              pool: authPool,
+              userId: uid,
+              relativePaths: releaseCandidatePaths,
+              allowPgRequired: allowPgRequiredRelease,
+            }).catch((error) => {
+              logger.warn(
+                `[MindSpace] delivery contract release failed for session ${sid}: ${
+                  error instanceof Error ? error.message : error
+                }`,
+              );
+            });
+          }
           endSessionPageDelivery(sid);
         }
       };
diff --git a/server/portal-session-routes.test.mjs b/server/portal-session-routes.test.mjs
index a88fa5d..5745623 100644
--- a/server/portal-session-routes.test.mjs
+++ b/server/portal-session-routes.test.mjs
@@ -112,7 +112,7 @@ function createDependencies(overrides = {}) {
       return { sessionId, hooks };
     },
   };
-  return {
+  const setup = {
     calls,
     proxy,
     dependencies: {
@@ -203,6 +203,30 @@ function createDependencies(overrides = {}) {
       ...overrides,
     },
   };
+  if (
+    !Object.prototype.hasOwnProperty.call(
+      overrides,
+      'releaseMaterializedPageDeliveryContractsFn',
+    )
+  ) {
+    setup.dependencies.releaseMaterializedPageDeliveryContractsFn =
+      async (input) => {
+        const released = [];
+        for (const relativePath of input.relativePaths ?? []) {
+          if (
+            await setup.dependencies.markPageDeliveryContractReadyFn({
+              pool: input.pool,
+              userId: input.userId,
+              relativePath,
+            })
+          ) {
+            released.push(relativePath);
+          }
+        }
+        return released;
+      };
+  }
+  return setup;
 }
 
 test('session module preserves route inventory and order', () => {
@@ -709,8 +733,8 @@ test('Finish hook preserves refresh, sync, delivery readiness, memory, and lock
       'prepare-page-data',
       'repair-page-data',
       'prepare-contract',
-      'ready',
       'memory',
+      'ready',
     ],
   );
   assert.equal(
@@ -957,5 +981,73 @@ test('Finish retries when a delivery guard is initially not ready', async () =>
   assert.equal(pageDataChecks, 2);
   assert.deepEqual(setup.calls.begin, ['session-1', 'session-1']);
   assert.deepEqual(setup.calls.end, ['session-1', 'session-1']);
-  assert.deepEqual(readyPaths, ['public/survey.html']);
+  assert.deepEqual(readyPaths, ['public/survey.html', 'public/survey.html']);
+});
+
+test('Finish finally releases static HTML contracts when delivery guards fail', async () => {
+  let hooks = null;
+  const releasedPaths = [];
+  const setup = createDependencies({
+    finishDeliveryRetryDelaysMs: [],
+    getAuthPool: () => ({ id: 'pool' }),
+    getTkmindProxy: () => ({
+      async resolveTarget(sessionId) {
+        return `target:${sessionId}`;
+      },
+      async apiFetchTo() {
+        return createUpstream({
+          body: {
+            id: 'session-1',
+            conversation: [
+              {
+                id: 'user-1',
+                role: 'user',
+                content: 'update page',
+                metadata: { userVisible: true },
+              },
+            ],
+          },
+        });
+      },
+      proxySessionEvents(_req, _res, _sessionId, receivedHooks) {
+        hooks = receivedHooks;
+      },
+    }),
+    getMindSpacePublicFinish: () => ({
+      async syncAfterFinish() {
+        return {
+          publicHtmlRelativePaths: ['public/daily-news-0813.html'],
+          docxSync: { missing: [] },
+        };
+      },
+      async preparePageDataAfterFinish() {
+        return {
+          autoBind: { bound: [], skipped: [], errors: [] },
+          evaluation: { structuralPageData: false, relevantFiles: [] },
+        };
+      },
+    }),
+    async maybeRepairH5HtmlAfterFinishFn() {
+      return { skipped: 'limit' };
+    },
+    async releaseMaterializedPageDeliveryContractsFn(input) {
+      releasedPaths.push(...(input.relativePaths ?? []));
+      return input.relativePaths ?? [];
+    },
+  });
+  const api = createRouterRecorder();
+  attachPortalSessionRoutes(api, setup.dependencies);
+  await api.routes.get('GET /sessions/:sessionId/events')(
+    createRequest(),
+    createResponseRecorder(),
+    () => {},
+  );
+
+  await assert.rejects(
+    () => hooks.onAfterFinish('session-1', 'user-1'),
+    /page delivery guards are not ready/,
+  );
+
+  assert.deepEqual(releasedPaths, ['public/daily-news-0813.html']);
+  assert.deepEqual(setup.calls.end, ['session-1']);
 });
diff --git a/src/components/MindSpaceAchievementsPanel.tsx b/src/components/MindSpaceAchievementsPanel.tsx
index 4885ee5..a5bbf73 100644
--- a/src/components/MindSpaceAchievementsPanel.tsx
+++ b/src/components/MindSpaceAchievementsPanel.tsx
@@ -23,8 +23,24 @@ function formatDateTime(timestamp: number) {
   });
 }
 
+const ACHIEVEMENTS_DATE_TIMEZONE = 'Asia/Shanghai';
+
+function localCreatedDateKey(timestamp: number) {
+  const parts = new Intl.DateTimeFormat('en-CA', {
+    timeZone: ACHIEVEMENTS_DATE_TIMEZONE,
+    year: 'numeric',
+    month: '2-digit',
+    day: '2-digit',
+  }).formatToParts(new Date(timestamp));
+  const year = parts.find((part) => part.type === 'year')?.value ?? '0000';
+  const month = parts.find((part) => part.type === 'month')?.value ?? '01';
+  const day = parts.find((part) => part.type === 'day')?.value ?? '01';
+  return `${year}-${month}-${day}`;
+}
+
 function formatDateHeading(timestamp: number) {
   return new Date(timestamp).toLocaleDateString('zh-CN', {
+    timeZone: ACHIEVEMENTS_DATE_TIMEZONE,
     year: 'numeric',
     month: 'long',
     day: 'numeric',
@@ -45,7 +61,7 @@ function formatClickMetric(page: MindSpacePage) {
 function groupPagesByCreatedDate(pages: MindSpacePage[]) {
   const groups = new Map<string, MindSpacePage[]>();
   for (const page of pages) {
-    const key = new Date(page.createdAt).toISOString().slice(0, 10);
+    const key = localCreatedDateKey(page.createdAt);
     const bucket = groups.get(key);
     if (bucket) bucket.push(page);
     else groups.set(key, [page]);
@@ -54,7 +70,7 @@ function groupPagesByCreatedDate(pages: MindSpacePage[]) {
     .sort(([left], [right]) => right.localeCompare(left))
     .map(([dateKey, items]) => ({
       dateKey,
-      heading: formatDateHeading(items[0]?.createdAt ?? Date.parse(`${dateKey}T00:00:00`)),
+      heading: formatDateHeading(items[0]?.createdAt ?? Date.parse(`${dateKey}T12:00:00+08:00`)),
       items,
     }));
 }