From cf93b24abcf5e8b2868f5e0eaa07b8685dc3abc7 Mon Sep 17 00:00:00 2001
From: andreawoe <aw@vnc.biz>
Date: Mon, 24 Aug 2026 13:09:51 +0200
Subject: [PATCH] fix(calendar): allow editing own events when Stalwart omits
 isOrigin

---
 components/calendar/event-detail-popover.tsx | 3 ++-
 components/calendar/event-modal.tsx          | 7 ++++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/components/calendar/event-detail-popover.tsx b/components/calendar/event-detail-popover.tsx
index d7f1f9ba..ffa7cf68 100644
--- a/components/calendar/event-detail-popover.tsx
+++ b/components/calendar/event-detail-popover.tsx
@@ -182,7 +182,8 @@ export function EventDetailPopover({
 
   const isAttendeeMode = useMemo(() => {
     if (!event.participants) return false;
-    return !event.isOrigin && !userIsOrganizer;
+    if (userIsOrganizer) return false;
+    return event.isOrigin === false;
   }, [event, userIsOrganizer]);
 
   const userParticipantId = useMemo(
diff --git a/components/calendar/event-modal.tsx b/components/calendar/event-modal.tsx
index 27662dec..b2154f61 100644
--- a/components/calendar/event-modal.tsx
+++ b/components/calendar/event-modal.tsx
@@ -227,7 +227,12 @@ export function EventModal({
 
   const isAttendeeMode = useMemo(() => {
     if (!event || !event.participants) return false;
-    return !event.isOrigin && !userIsOrganizer;
+    // Only enter attendee (read-only + RSVP) mode when we are definitively NOT
+    // the organizer AND the event explicitly did not originate from this
+    // account. Stalwart may omit `isOrigin`, so treat a missing value as "ours"
+    // (editable) rather than locking the user out of their own events.
+    if (userIsOrganizer) return false;
+    return event.isOrigin === false;
   }, [event, userIsOrganizer]);
 
   const userParticipantId = useMemo(() => {