fix(schedule): route daily set-remind phrases through ITL with recurrence

Support colloquial forms like「设置每天18：00提醒打卡」, persist daily metadata on
commit, and schedule the next reminder after each delivery.

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

schedule-service.mjs

@@ -29,6 +29,16 @@ function nowMs() {
 
 function rowToItem(row) {
   if (!row) return null;
+  let metadata = null;
+  if (row.metadata_json != null && row.metadata_json !== '') {
+    try {
+      metadata = typeof row.metadata_json === 'object'
+        ? row.metadata_json
+        : JSON.parse(row.metadata_json);
+    } catch {
+      metadata = null;
+    }
+  }
   return {
     id: row.id,
     userId: row.user_id,
@@ -42,6 +52,7 @@ function rowToItem(row) {
     allDay: Boolean(row.all_day),
     timezone: row.timezone || DEFAULT_TIMEZONE,
     location: row.location ?? null,
+    metadata,
     createdAt: Number(row.created_at),
     updatedAt: Number(row.updated_at),
   };
@@ -660,6 +671,28 @@ export function createScheduleService(pool, options = {}) {
     return { ...reminder, status: 'sent', sentAt: now, lockedUntil: null };
   };
 
+  const scheduleNextDailyReminder = async (reminder) => {
+    if (!reminder?.userId || !reminder?.itemId) return null;
+    const item = await getItem({ userId: reminder.userId, itemId: reminder.itemId });
+    if (!item || item.status !== 'active' || item.metadata?.recurrence !== 'daily') return null;
+    const hour = Number(item.metadata.dailyHour);
+    const minute = Number(item.metadata.dailyMinute ?? 0);
+    if (!Number.isInteger(hour) || hour < 0 || hour > 23) return null;
+    if (!Number.isInteger(minute) || minute < 0 || minute > 59) return null;
+    const remindAt = nextDailyRunAt({
+      hour,
+      minute,
+      timezone: item.timezone || defaultTimezone,
+      now: clock.now() + 1000,
+    });
+    return createReminder({
+      userId: reminder.userId,
+      itemId: item.id,
+      remindAt,
+      channel: reminder.channel ?? 'wechat',
+    });
+  };
+
   const markReminderCancelled = async (reminder, reason, { now = clock.now() } = {}) => {
     const lastError = String(reason ?? '已取消').slice(0, 500);
     await pool.query(
@@ -978,6 +1011,7 @@ export function createScheduleService(pool, options = {}) {
     listDueReminders,
     lockReminder,
     markReminderSent,
+    scheduleNextDailyReminder,
     markReminderCancelled,
     markReminderFailed,
     buildReminderText,