fix(mindspace): release edited public pages and fix achievements dates

Finish now releases static HTML delivery contracts in a finally block so
re-edited pages are not stuck at HTTP 409, and M成果 groups pages by
Asia/Shanghai calendar dates to avoid duplicate day headings.

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

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,
     }));
 }