yiekheng 32319feeea fix(reminders): edit paused/ended one-off; lock list order; collapse swipe after action
Three small bugs the user surfaced after the swipe rollout:

1. Editing a paused/ended one-off reminder threw "Time is in the past"
   ----------------------------------------------------------------------
   The four edit-section pages (account / message / groups / when) all
   POST through `updateReminderAction`. The action's "scheduledAt
   must be in the future" check fires on every submit — including the
   three section pages that don't change the time and just pass the
   original `scheduledAt` straight through. So a user editing the
   message body of a reminder they paused yesterday saw their save
   rejected with "Time is in the past".

   New pure helper `validateUpdateScheduledAt` in lib/reminder-update.ts
   keeps the future-time check in place for active reminders that are
   actually changing the time, but allows past timestamps when:
     - the reminder is paused or ended (won't fire while in those
       states regardless of what the row says about scheduledAt), OR
     - the submitted timestamp matches the existing one within a
       second of rounding (the form is a passthrough).

   Tests: 10 cases in `lib/reminder-update.test.ts` covering active
   future, active past, paused passthrough, ended passthrough, paused
   with deliberate change, sub-second drift tolerance, exact-NOW edge,
   null existing scheduledAt, malformed ISO.

   Also (drive-by, related): `updateReminderAction` no longer force-
   sets `status: "active"` on save. Editing a paused reminder's
   message shouldn't silently un-pause it. The user uses Restart for
   that.

2. Reminder list reshuffled after Pause/Restart
   ----------------------------------------------------------------------
   The list defaulted to `sort=scheduled_desc`, so clicking Restart on
   row N (which moves scheduledAt forward to the next occurrence) flipped
   the row to row 0. Felt like the wrong action ran. Fixed:
     - Page now hard-codes `sort = "created_desc"` (created_at never
       changes, so a row stays where it is).
     - Sort dropdown removed from `<ReminderFilterBar>` since it has
       nothing to drive anymore. Account + Group filters and the
       search box stay.

3. Swipe shelf stayed open after the action ran
   ----------------------------------------------------------------------
   `SwipeableRow` keeps its offset in component state. When a shelf
   button submits the form, the page revalidates and re-renders, but
   React keeps the same row instance (matched by `key={reminder.id}`),
   so the open offset stuck around. Now both row sites encode the
   "row state" into the key:
     - reminders: `key={\`${reminder.id}-${reminder.status}\`}`
     - activity:  `key={\`${run.id}-${run.archivedAt ? "1" : "0"}\`}`
   Status flip → key change → React unmounts/remounts → offset back
   to 0 → shelf closed. Costs nothing (these rows are cheap).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-10 12:29:10 +08:00
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