chore: update version number to 0.1.50

VERSION

@@ -1 +1 @@
-0.1.48
+0.1.50

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "bulwark-mobile",
-  "version": "0.1.48",
+  "version": "0.1.50",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "bulwark-mobile",
-      "version": "0.1.48",
+      "version": "0.1.50",
       "license": "AGPL-3.0-only",
       "dependencies": {
         "@react-native-async-storage/async-storage": "2.2.0",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "bulwark-mobile",
-  "version": "0.1.48",
+  "version": "0.1.50",
   "license": "AGPL-3.0-only",
   "main": "index.ts",
   "scripts": {

src/components/calendar/AgendaView.tsx

@@ -1,15 +1,16 @@
 import React from 'react';
 import { SectionList, StyleSheet, Text, View } from 'react-native';
-import { format, isSameDay, isToday, isTomorrow } from 'date-fns';
+import { addDays, format, isSameDay, isToday, isTomorrow, parseISO, startOfDay } from 'date-fns';
 import { CalendarDays } from 'lucide-react-native';
 import type { Calendar, CalendarEvent } from '../../api/types';
 import { spacing, typography, type ThemePalette } from '../../theme/tokens';
 import { useColors } from '../../theme/colors';
 import {
   buildEventDayIndex,
+  dayKey,
   eventsOnDayFromIndex,
-  getEventStartDate,
   type EventDayIndex,
+  type TimeFormat,
 } from '../../lib/calendar-utils';
 import { EventCard } from './EventCard';
 
@@ -19,6 +20,7 @@ interface AgendaViewProps {
   events: CalendarEvent[];
   calendars: Calendar[];
   eventsByDay?: EventDayIndex;
+  timeFormat?: TimeFormat;
   onSelectEvent?: (event: CalendarEvent) => void;
 }
 
@@ -40,6 +42,7 @@ export function AgendaView({
   events,
   calendars,
   eventsByDay,
+  timeFormat,
   onSelectEvent,
 }: AgendaViewProps) {
   const c = useColors();
@@ -50,32 +53,35 @@ export function AgendaView({
   );
 
   const sections = React.useMemo<DaySection[]>(() => {
-    const result: DaySection[] = [];
-    const start = new Date(fromDate);
-    start.setHours(0, 0, 0, 0);
+    // Mirror webmail's agenda (calendar-agenda-view.tsx): build a group for
+    // every day that actually has events, always include a "Today" anchor, and
+    // render them sorted ascending. Driving the list off the events (rather than
+    // a fixed day-counter) guarantees every upcoming loaded event appears - not
+    // just the ones inside a brittle N-day window from the anchor.
+    const anchor = startOfDay(fromDate);
+    const horizonEnd = addDays(anchor, daysAhead); // safety bound (exclusive)
 
-    for (let i = 0; i < daysAhead; i++) {
-      const day = new Date(start);
-      day.setDate(start.getDate() + i);
-      const dayEvents = eventsOnDayFromIndex(index, day).slice().sort((a, b) => {
-        // All-day events first within a day, then by start time, then title
-        // (stable tie-break) - mirrors the comparator the webmail uses for
-        // packing week segments and keeps multi-event days predictable.
-        if (a.showWithoutTime !== b.showWithoutTime) {
-          return a.showWithoutTime ? -1 : 1;
-        }
-        const diff = getEventStartDate(a).getTime() - getEventStartDate(b).getTime();
-        if (diff !== 0) return diff;
-        return (a.title || '').localeCompare(b.title || '');
-      });
-      if (dayEvents.length === 0 && !isToday(day)) continue;
-      result.push({
+    const days = new Map<string, Date>();
+    for (const key of index.keys()) {
+      const day = parseISO(key); // index keys are local yyyy-MM-dd
+      if (isNaN(day.getTime())) continue;
+      if (day < anchor || day >= horizonEnd) continue;
+      days.set(key, day);
+    }
+    // Always anchor "Today" so the view has a stable starting point even when
+    // the current day has no events (webmail injects the same anchor).
+    const today = startOfDay(new Date());
+    if (today >= anchor && today < horizonEnd) days.set(dayKey(today), today);
+
+    return [...days.values()]
+      .sort((a, b) => a.getTime() - b.getTime())
+      .map((day) => ({
         title: formatDayHeader(day),
         date: day,
-        data: dayEvents,
-      });
-    }
-    return result;
+        // Buckets are pre-sorted by buildEventDayIndex (all-day first, then by
+        // start, then title), so no extra sort is needed here.
+        data: eventsOnDayFromIndex(index, day),
+      }));
   }, [fromDate, daysAhead, index]);
 
   if (sections.length === 0) {
@@ -107,7 +113,7 @@ export function AgendaView({
       }}
       renderItem={({ item }) => (
         <View style={styles.itemWrap}>
-          <EventCard event={item} calendars={calendars} onPress={onSelectEvent} />
+          <EventCard event={item} calendars={calendars} timeFormat={timeFormat} onPress={onSelectEvent} />
         </View>
       )}
       renderSectionFooter={({ section }) =>

src/components/calendar/EventCard.tsx

@@ -5,11 +5,17 @@ import { format } from 'date-fns';
 import type { Calendar, CalendarEvent } from '../../api/types';
 import { radius, spacing, typography, type ThemePalette } from '../../theme/tokens';
 import { useColors } from '../../theme/colors';
-import { eventTimeRange, getEventColor } from '../../lib/calendar-utils';
+import {
+  eventTimeRange,
+  getEventColor,
+  timePattern,
+  type TimeFormat,
+} from '../../lib/calendar-utils';
 
 interface EventCardProps {
   event: CalendarEvent;
   calendars: Calendar[];
+  timeFormat?: TimeFormat;
   onPress?: (event: CalendarEvent) => void;
   onLongPress?: (event: CalendarEvent) => void;
 }
@@ -18,17 +24,18 @@ function participantCount(event: CalendarEvent): number {
   return event.participants ? Object.keys(event.participants).length : 0;
 }
 
-function formatTimeRange(event: CalendarEvent): string {
+function formatTimeRange(event: CalendarEvent, timeFormat?: TimeFormat): string {
   const { start, end, allDay } = eventTimeRange(event);
   if (allDay) return 'All day';
-  return `${format(start, 'HH:mm')} – ${format(end, 'HH:mm')}`;
+  const fmt = timePattern(timeFormat);
+  return `${format(start, fmt)} – ${format(end, fmt)}`;
 }
 
-export function EventCard({ event, calendars, onPress, onLongPress }: EventCardProps) {
+export function EventCard({ event, calendars, timeFormat, onPress, onLongPress }: EventCardProps) {
   const c = useColors();
   const styles = React.useMemo(() => makeStyles(c), [c]);
   const color = getEventColor(event, calendars);
-  const time = formatTimeRange(event);
+  const time = formatTimeRange(event, timeFormat);
   const count = participantCount(event);
 
   return (

src/components/calendar/EventDetailSheet.tsx

@@ -36,6 +36,8 @@ import {
   eventTimeRange,
   getEventColor,
   getPrimaryCalendarId,
+  timePattern,
+  type TimeFormat,
 } from '../../lib/calendar-utils';
 import { alertsToReminders, formatReminder } from '../../lib/calendar-alerts';
 import {
@@ -50,6 +52,7 @@ type RsvpStatus = 'accepted' | 'declined' | 'tentative';
 interface EventDetailSheetProps {
   event: CalendarEvent | null;
   calendars: Calendar[];
+  timeFormat?: TimeFormat;
   onClose: () => void;
   onEdit?: (event: CalendarEvent) => void;
   onDelete?: (event: CalendarEvent) => void;
@@ -57,7 +60,7 @@ interface EventDetailSheetProps {
   onRsvp?: (event: CalendarEvent, participantId: string, status: RsvpStatus) => void | Promise<void>;
 }
 
-function formatRange(event: CalendarEvent): string {
+function formatRange(event: CalendarEvent, timeFormat?: TimeFormat): string {
   const { start, end, allDay } = eventTimeRange(event);
   if (allDay) {
     if (
@@ -69,14 +72,15 @@ function formatRange(event: CalendarEvent): string {
     }
     return `${format(start, 'MMM d')} – ${format(end, 'MMM d, yyyy')}`;
   }
+  const t = timePattern(timeFormat);
   const sameDay =
     start.getFullYear() === end.getFullYear() &&
     start.getMonth() === end.getMonth() &&
     start.getDate() === end.getDate();
   if (sameDay) {
-    return `${format(start, 'EEE, MMM d')} · ${format(start, 'HH:mm')} – ${format(end, 'HH:mm')}`;
+    return `${format(start, 'EEE, MMM d')} · ${format(start, t)} – ${format(end, t)}`;
   }
-  return `${format(start, 'MMM d, HH:mm')} – ${format(end, 'MMM d, HH:mm')}`;
+  return `${format(start, `MMM d, ${t}`)} – ${format(end, `MMM d, ${t}`)}`;
 }
 
 function recurrenceLabel(event: CalendarEvent): string | null {
@@ -100,6 +104,7 @@ function recurrenceLabel(event: CalendarEvent): string | null {
 export function EventDetailSheet({
   event,
   calendars,
+  timeFormat,
   onClose,
   onEdit,
   onDelete,
@@ -156,7 +161,7 @@ export function EventDetailSheet({
   const color = getEventColor(event, calendars);
   const calendarId = getPrimaryCalendarId(event);
   const calendar = calendars.find((c) => c.id === calendarId);
-  const range = formatRange(event);
+  const range = formatRange(event, timeFormat);
   const recurrence = recurrenceLabel(event);
   const reminders = alertsToReminders(event.alerts);
   const participants = event.participants ? Object.values(event.participants) : [];

src/lib/__tests__/calendar-utils.test.ts

@@ -7,6 +7,9 @@ import {
   normalizeAllDayDuration,
   buildAllDayDuration,
   getCalendarColor,
+  getEventStartDate,
+  getEventEndDate,
+  timePattern,
   layoutOverlappingEvents,
   CALENDAR_COLOR_PALETTE,
 } from '../calendar-utils';
@@ -51,6 +54,32 @@ describe('parseLocalDateTime', () => {
   });
 });
 
+describe('getEventStartDate / getEventEndDate malformed utc fallback', () => {
+  // Mirrors webmail (#316): a malformed utcStart/utcEnd must fall back to the
+  // floating `start` + duration instead of producing an Invalid Date, which
+  // would silently drop the event from the day index and every view.
+  it('falls back to start when utcStart is unparseable', () => {
+    const d = getEventStartDate(ev({ utcStart: 'garbage' }));
+    expect(isNaN(d.getTime())).toBe(false);
+    expect(d.getHours()).toBe(9);
+  });
+
+  it('falls back to start + duration when utcEnd is unparseable', () => {
+    const end = getEventEndDate(ev({ utcEnd: 'garbage', duration: 'PT1H' }));
+    expect(isNaN(end.getTime())).toBe(false);
+    const start = getEventStartDate(ev({}));
+    expect(end.getTime() - start.getTime()).toBe(60 * 60 * 1000);
+  });
+});
+
+describe('timePattern', () => {
+  it('maps 12h to an am/pm pattern and 24h (or undefined) to HH:mm', () => {
+    expect(timePattern('12h')).toBe('h:mm a');
+    expect(timePattern('24h')).toBe('HH:mm');
+    expect(timePattern(undefined)).toBe('HH:mm');
+  });
+});
+
 describe('eventTimeRange', () => {
   it('returns start, end, allDay for a timed event with utcStart/utcEnd', () => {
     const range = eventTimeRange(ev({

src/lib/calendar-utils.ts

@@ -35,13 +35,20 @@ export function parseLocalDateTime(iso: string): Date {
 export function getEventStartDate(
   event: Pick<CalendarEvent, 'start' | 'utcStart' | 'showWithoutTime'>,
 ): Date {
-  const source = !event.showWithoutTime && event.utcStart ? event.utcStart : event.start;
-  return parseISO(source);
+  // Prefer utcStart for timed events but fall back to start if utcStart is
+  // missing or unparseable — a malformed utcStart used to surface as an
+  // Invalid Date that silently dropped the event from every view (#316).
+  if (!event.showWithoutTime && event.utcStart) {
+    const utc = parseISO(event.utcStart);
+    if (!isNaN(utc.getTime())) return utc;
+  }
+  return parseISO(event.start);
 }
 
 export function getEventEndDate(event: CalendarEvent): Date {
   if (!event.showWithoutTime && event.utcEnd) {
-    return parseISO(event.utcEnd);
+    const utc = parseISO(event.utcEnd);
+    if (!isNaN(utc.getTime())) return utc;
   }
   const start = getEventStartDate(event);
   if (!event.duration) return start;
@@ -57,6 +64,17 @@ export function getEventDisplayEndDate(event: CalendarEvent): Date {
   return subMilliseconds(end, 1);
 }
 
+// ─── Time-of-day formatting ──────────────────────────────
+// Maps the user's 12h/24h preference to a date-fns pattern, matching webmail
+// (event-card.tsx: `timeFormat === "12h" ? "h:mm a" : "HH:mm"`). Components
+// thread the `calendarTimeFormat` setting through so the calendar renders
+// times in the same format the webmail does.
+export type TimeFormat = '12h' | '24h';
+
+export function timePattern(timeFormat: TimeFormat | undefined): string {
+  return timeFormat === '12h' ? 'h:mm a' : 'HH:mm';
+}
+
 export interface EventTimeRange {
   start: Date;
   end: Date;

src/screens/CalendarScreen.tsx

@@ -58,6 +58,7 @@ import {
   pickUnusedCalendarColor,
   sharedCalendarColorKey,
   type EventDayIndex,
+  type TimeFormat,
 } from '../lib/calendar-utils';
 import { buildReplyTo } from '../lib/calendar-invitation';
 import { generateBirthdayEvents, createBirthdayCalendar, BIRTHDAY_CALENDAR_ID } from '../lib/birthday-calendar';
@@ -291,25 +292,34 @@ export default function CalendarScreen() {
     [],
   );
 
+  // A recurring series member is a master (has recurrenceRules) or an expanded
+  // occurrence (has recurrenceId) — those get the this/all scope dialog. Note:
+  // we must NOT key off originalId here, since shared/group events now carry it
+  // for id-namespacing even when they aren't recurring.
+  const isRecurringSeriesMember = React.useCallback(
+    (event: CalendarEvent) => !!event.recurrenceRules?.length || !!event.recurrenceId,
+    [],
+  );
+
   const handleEditFromDetail = React.useCallback((event: CalendarEvent) => {
     if (isReadOnlyEvent(event)) { setDetailEvent(null); return; }
     setDetailEvent(null);
-    if (event.recurrenceRules?.length || event.originalId) {
+    if (isRecurringSeriesMember(event)) {
       setPendingAction({ kind: 'edit', event });
     } else {
       openEditDirect(event);
     }
-  }, [openEditDirect, isReadOnlyEvent]);
+  }, [openEditDirect, isReadOnlyEvent, isRecurringSeriesMember]);
 
   const handleDeleteFromDetail = React.useCallback((event: CalendarEvent) => {
     if (isReadOnlyEvent(event)) { setDetailEvent(null); return; }
     setDetailEvent(null);
-    if (event.recurrenceRules?.length || event.originalId) {
+    if (isRecurringSeriesMember(event)) {
       setPendingAction({ kind: 'delete', event });
     } else {
       void deleteEvent(event.id);
     }
-  }, [deleteEvent, isReadOnlyEvent]);
+  }, [deleteEvent, isReadOnlyEvent, isRecurringSeriesMember]);
 
   const handleScopeSelect = React.useCallback(
     async (scope: RecurrenceEditScope) => {
@@ -459,6 +469,7 @@ export default function CalendarScreen() {
             events={events}
             eventsByDay={eventsByDay}
             calendars={calendars}
+            timeFormat={calendarTimeFormat}
             onSelectEvent={setDetailEvent}
           />
         )}
@@ -475,6 +486,7 @@ export default function CalendarScreen() {
               date={selectedDate}
               eventsByDay={eventsByDay}
               calendars={calendars}
+              timeFormat={calendarTimeFormat}
               onSelectEvent={setDetailEvent}
               refreshing={refreshing}
               onRefresh={onRefresh}
@@ -486,6 +498,7 @@ export default function CalendarScreen() {
       <EventDetailSheet
         event={detailEvent}
         calendars={calendars}
+        timeFormat={calendarTimeFormat}
         onClose={() => setDetailEvent(null)}
         onEdit={handleEditFromDetail}
         onDelete={handleDeleteFromDetail}
@@ -570,6 +583,7 @@ function DayEventList({
   date,
   eventsByDay,
   calendars,
+  timeFormat,
   onSelectEvent,
   refreshing,
   onRefresh,
@@ -577,6 +591,7 @@ function DayEventList({
   date: Date;
   eventsByDay: EventDayIndex;
   calendars: Calendar[];
+  timeFormat?: TimeFormat;
   onSelectEvent?: (event: CalendarEvent) => void;
   refreshing: boolean;
   onRefresh: () => void;
@@ -613,6 +628,7 @@ function DayEventList({
           key={event.id}
           event={event}
           calendars={calendars}
+          timeFormat={timeFormat}
           onPress={onSelectEvent}
         />
       ))}

src/stores/__tests__/calendar-store.test.ts

@@ -101,6 +101,34 @@ describe('calendar-store', () => {
       expect(useCalendarStore.getState().events).toEqual([]);
       expect(mockGetEvents).not.toHaveBeenCalled();
     });
+
+    it('namespaces shared/group event ids by owning account and keeps the real id in originalId', async () => {
+      // A shared calendar lives in another account; its event id ("ev1") can
+      // collide with one of the user's own events, so the store must namespace
+      // it. Mirrors webmail's mapServerEventToStoreEvent.
+      useCalendarStore.setState({
+        calendars: [
+          { id: 'cal-1', name: 'Personal' } as any,
+          { id: 'shared-cal', name: 'Team', accountId: 'acc-2', isShared: true } as any,
+        ],
+      });
+      mockQueryEvents.mockImplementation(async (_ids: string[], _a: string, _b: string, accountId?: string) =>
+        accountId === 'acc-2' ? ['ev1'] : [],
+      );
+      mockGetEvents.mockImplementation(async (_ids: string[], accountId?: string) =>
+        accountId === 'acc-2'
+          ? [{ id: 'ev1', title: 'Standup', start: '2026-03-15T10:00:00', calendarIds: { 'shared-cal': true } }]
+          : [],
+      );
+
+      await useCalendarStore.getState().fetchEvents(['cal-1', 'shared-cal'], '2026-03-01', '2026-03-31');
+
+      const stored = useCalendarStore.getState().events;
+      expect(stored).toHaveLength(1);
+      expect(stored[0].id).toBe('acc-2:ev1');
+      expect(stored[0].originalId).toBe('ev1');
+      expect(stored[0].accountId).toBe('acc-2');
+    });
   });
 
   describe('ensureRange', () => {

src/stores/calendar-store.ts

@@ -152,7 +152,17 @@ export const useCalendarStore = create<CalendarState>()(
           const eventIds = (await queryEvents(ids, after, before, accountId)) ?? [];
           if (eventIds.length === 0) continue;
           const fetched = (await fetchEvents(eventIds, accountId)) ?? [];
-          raw.push(...(accountId ? fetched.map((e) => ({ ...e, accountId })) : fetched));
+          // Shared/group accounts: JMAP object ids are only unique *within* an
+          // account, so two accounts can return events with the same id.
+          // Namespace shared ids with the owning accountId (stashing the real id
+          // in originalId for mutations) so they don't collide with the user's
+          // own events in the store / React keys. Mirrors webmail's
+          // mapServerEventToStoreEvent.
+          raw.push(
+            ...(accountId
+              ? fetched.map((e) => ({ ...e, accountId, id: `${accountId}:${e.id}`, originalId: e.id }))
+              : fetched),
+          );
         } catch (err) {
           // A failing shared account must not hide the user's own events.
           if (!accountId) throw err;
@@ -233,7 +243,12 @@ export const useCalendarStore = create<CalendarState>()(
       hasSchedulingParticipants(event) ? true : undefined,
       accountId,
     );
-    set({ events: [...get().events, accountId ? { ...created, accountId } : created] });
+    // Namespace shared/group event ids the same way fetchEvents does so the
+    // optimistic insert doesn't collide with the user's own events.
+    const storeCreated = accountId
+      ? { ...created, accountId, id: `${accountId}:${created.id}`, originalId: created.id }
+      : created;
+    set({ events: [...get().events, storeCreated] });
     return created;
   },