feat(daily-task): 返回周任务倒计时时间

laf-cloud/functions/dailyTaskConfig.ts

@@ -30,6 +30,8 @@ export type DailyWeeklyTaskData = {
   version: 2;
   dayKey: string;
   weekKey: string;
+  weekEndsAt: number;
+  serverNow: number;
   dailyTasks: DailyTask[];
   weeklyStars: number;
   weeklyRewards: WeeklyReward[];
@@ -128,4 +130,3 @@ export const WEEKLY_REWARDS: WeeklyReward[] = [
   { rewardId: "weekly_105", target: 105, state: 0, rewards: [{ type: "infinite_health", count: 3600 }, { type: "hammer", count: 1 }] },
   { rewardId: "weekly_140", target: 140, state: 0, rewards: [{ type: "infinite_rocket", count: 900 }, { type: "infinite_hourglass", count: 900 }, { type: "coin", count: 1500 }] },
 ];
-

laf-cloud/functions/dailyTaskService.ts

@@ -18,6 +18,11 @@ export function getWeekKey(nowMs = Date.now()): string {
   return new Date(shifted.getTime() - (day - 1) * DAY_MS).toISOString().slice(0, 10);
 }
 
+export function getWeekEndsAt(nowMs = Date.now()): number {
+  const weekKey = getWeekKey(nowMs);
+  return Date.parse(`${weekKey}T00:00:00+08:00`) + 7 * DAY_MS;
+}
+
 function hash(input: string): number {
   let value = 2166136261;
   for (let i = 0; i < input.length; i++) {
@@ -56,6 +61,7 @@ export function refreshTaskData(
 ): { data: DailyWeeklyTaskData; changed: boolean } {
   const dayKey = getDayKey(nowMs);
   const weekKey = getWeekKey(nowMs);
+  const weekEndsAt = getWeekEndsAt(nowMs);
   const parsed = typeof stored === "string" ? safeParse(stored) : stored;
   const valid = parsed && (parsed as DailyWeeklyTaskData).version === 2
     && Array.isArray((parsed as DailyWeeklyTaskData).dailyTasks)
@@ -66,9 +72,12 @@ export function refreshTaskData(
   const newDay = !old || old.dayKey !== dayKey;
 
   if (!newDay && !newWeek) {
+    const changed = old.weekEndsAt !== weekEndsAt;
+    old.weekEndsAt = weekEndsAt;
+    old.serverNow = nowMs;
     applyLocks(old.dailyTasks);
     applyWeeklyStates(old);
-    return { data: old, changed: false };
+    return { data: old, changed };
   }
 
   const previousTaskIds = old ? old.dailyTasks.map(task => task.taskId) : [];
@@ -76,6 +85,8 @@ export function refreshTaskData(
     version: 2,
     dayKey,
     weekKey,
+    weekEndsAt,
+    serverNow: nowMs,
     dailyTasks: selectDailyTasks(uid, dayKey, Math.max(1, level), previousTaskIds),
     weeklyStars: newWeek ? 0 : Number(old?.weeklyStars) || 0,
     weeklyRewards: newWeek
@@ -141,4 +152,3 @@ function applyWeeklyStates(data: DailyWeeklyTaskData): void {
 function safeParse(value: string): unknown {
   try { return JSON.parse(value); } catch (_) { return null; }
 }
-

laf-cloud/tests/daily-task-v2.test.mjs

@@ -12,12 +12,23 @@ registerHooks({
   },
 });
 
-const { getDayKey, getWeekKey, refreshTaskData, mergeClientProgress, claimDaily, claimWeekly } = await import(serviceUrl);
+const { getDayKey, getWeekKey, getWeekEndsAt, refreshTaskData, mergeClientProgress, claimDaily, claimWeekly } = await import(serviceUrl);
 
 test("uses Shanghai natural day and Monday week keys", () => {
   assert.equal(getDayKey(Date.parse("2026-09-06T15:59:59Z")), "2026-09-06");
   assert.equal(getDayKey(Date.parse("2026-09-06T16:00:00Z")), "2026-09-07");
   assert.equal(getWeekKey(Date.parse("2026-09-06T16:00:00Z")), "2026-09-07");
+  assert.equal(getWeekEndsAt(Date.parse("2026-09-06T16:00:00Z")), Date.parse("2026-09-14T00:00:00+08:00"));
+});
+
+test("returns current server time and refreshes it on repeated reads", () => {
+  const firstNow = Date.parse("2026-09-07T04:00:00Z");
+  const secondNow = firstNow + 5000;
+  const first = refreshTaskData(null, "user-time", 20, firstNow).data;
+  const second = refreshTaskData(JSON.stringify(first), "user-time", 20, secondNow);
+  assert.equal(second.changed, false);
+  assert.equal(second.data.serverNow, secondNow);
+  assert.equal(second.data.weekEndsAt, Date.parse("2026-09-14T00:00:00+08:00"));
 });
 
 test("migrates legacy tasks into five v2 stages totaling twenty stars", () => {
@@ -77,4 +88,3 @@ test("daily reset preserves stars while weekly reset clears them", () => {
   assert.equal(monday.weeklyStars, 0);
   assert.ok(monday.weeklyRewards.every(reward => reward.state === 0));
 });
-