From 11e7b14c1790236b4d0f75b7664c1dcd4284398f Mon Sep 17 00:00:00 2001
From: mARTin <mail@martin-bierschenk.de>
Date: Wed, 25 Mar 2026 14:39:50 +0100
Subject: [PATCH] fix: add debug logging for Outlook recurring event updates

Log the event ID decomposition, update payload, and Graph API
response status to diagnose why recurring event updates aren't
persisting for Outlook.

v1.74.8

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 package.json                | 2 +-
 src/lib/calendar-events.ts  | 2 ++
 src/lib/outlook-calendar.ts | 5 +++++
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 7432aa7..1dea7e7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "my-weekly-todo-list",
-  "version": "1.74.7",
+  "version": "1.74.8",
   "description": "A web-based weekly task management application that organizes to-dos and calendar events in a single, intuitive weekly view",
   "main": "index.js",
   "scripts": {
diff --git a/src/lib/calendar-events.ts b/src/lib/calendar-events.ts
index 5762792..7ae9829 100644
--- a/src/lib/calendar-events.ts
+++ b/src/lib/calendar-events.ts
@@ -1140,6 +1140,8 @@ export const updateCalendarEvent = async (
 
     // Extract base series ID for Outlook
     const baseEventId = eventId.includes('::') ? eventId.split('::')[0] : eventId;
+    console.log(`[OUTLOOK] Updating event: originalId=${eventId}, baseEventId=${baseEventId}`);
+    console.log(`[OUTLOOK] Update payload: start=${JSON.stringify(event.start)}, end=${JSON.stringify(event.end)}, title=${event.title}`);
 
     const startDate = event.start?.dateTime ? new Date(event.start.dateTime) : new Date();
     const outlookUpdateTz = event.timezone || Intl.DateTimeFormat().resolvedOptions().timeZone || 'UTC';
diff --git a/src/lib/outlook-calendar.ts b/src/lib/outlook-calendar.ts
index 95c59c6..e6b8d54 100644
--- a/src/lib/outlook-calendar.ts
+++ b/src/lib/outlook-calendar.ts
@@ -387,6 +387,8 @@ export const updateEvent = async (
         } : {}),
     });
 
+    console.log(`[OUTLOOK] updateEvent request body:`, body);
+
     const patchHeaders: Record<string, string> = {
         'Authorization': `Bearer ${accessToken}`,
         'Content-Type': 'application/json',
@@ -400,16 +402,19 @@ export const updateEvent = async (
     let response = await fetch(`${GRAPH_ENDPOINT}/me/events/${encodedEventId}`, {
         method: 'PATCH', headers: patchHeaders, body
     });
+    console.log(`[OUTLOOK] PATCH /me/events/${eventId.slice(-20)} → ${response.status}`);
 
     if (!response.ok && (response.status === 404 || response.status === 400)) {
         // Fallback: try calendar-scoped endpoint
         response = await fetch(`${GRAPH_ENDPOINT}/me/calendars/${encodedCalendarId}/events/${encodedEventId}`, {
             method: 'PATCH', headers: patchHeaders, body
         });
+        console.log(`[OUTLOOK] PATCH fallback /me/calendars/.../events/${eventId.slice(-20)} → ${response.status}`);
     }
 
     if (!response.ok) {
         const err = await response.text();
+        console.error(`[OUTLOOK] Update failed:`, err);
         throw new Error(`Failed to update Outlook event: ${err}`);
     }