Fix Ladill Mail calendar sync mailbox resolution and updates.

Use the connected mail calendar mailbox when set, skip API calls when
MAIL_API_KEY_MEET is unset, and call syncRoomUpdated on room edits.

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

app/Services/Meet/Calendar/MailCalendarProvider.php

@@ -22,6 +22,10 @@ class MailCalendarProvider
 
     public function createEventForMailbox(string $mailbox, Room $room): ?string
     {
+        if (! filled(config('meet.calendar.mail.api_key'))) {
+            return null;
+        }
+
         $response = Http::withToken((string) config('meet.calendar.mail.api_key'))
             ->acceptJson()
             ->timeout(10)

app/Services/Meet/CalendarService.php

@@ -24,8 +24,8 @@ class CalendarService
             return;
         }
 
-        if ($host->email) {
-            $eventId = $this->mail->createEventForMailbox($host->email, $room);
+        if ($mailbox = $this->resolveMailMailbox($host)) {
+            $eventId = $this->mail->createEventForMailbox($mailbox, $room);
             if ($eventId) {
                 $room->update(['calendar_event_id' => $eventId]);
             }
@@ -43,9 +43,9 @@ class CalendarService
             return;
         }
 
-        if ($host->email) {
+        if ($mailbox = $this->resolveMailMailbox($host)) {
             if ($room->calendar_event_id) {
-                $this->mail->updateEventForMailbox($host->email, $room);
+                $this->mail->updateEventForMailbox($mailbox, $room);
             } else {
                 $this->syncRoomCreated($room, $host);
             }
@@ -59,8 +59,10 @@ class CalendarService
 
     public function syncRoomCancelled(Room $room, User $host): void
     {
-        if ($host->email && $room->calendar_event_id) {
-            $this->mail->deleteEventForMailbox($host->email, $room);
+        if ($mailbox = $this->resolveMailMailbox($host)) {
+            if ($room->calendar_event_id) {
+                $this->mail->deleteEventForMailbox($mailbox, $room);
+            }
         }
 
         $connection = $this->connectionFor($host);
@@ -71,6 +73,28 @@ class CalendarService
         $room->update(['calendar_event_id' => null]);
     }
 
+    public function mailCalendarConfigured(): bool
+    {
+        return filled(config('meet.calendar.mail.api_key'))
+            && filled(config('meet.calendar.mail.api_url'));
+    }
+
+    protected function resolveMailMailbox(User $host): ?string
+    {
+        if (! $this->mailCalendarConfigured()) {
+            return null;
+        }
+
+        $connection = $this->connectionFor($host, 'mail');
+        if ($connection?->calendar_id) {
+            return strtolower(trim((string) $connection->calendar_id));
+        }
+
+        $email = strtolower(trim((string) $host->email));
+
+        return filter_var($email, FILTER_VALIDATE_EMAIL) ? $email : null;
+    }
+
     public function connectionFor(User $user, ?string $provider = null): ?CalendarConnection
     {
         $query = CalendarConnection::where('user_ref', $user->ownerRef());

app/Services/Meet/RoomService.php

@@ -94,7 +94,7 @@ class RoomService
         AuditLogger::record($room->owner_ref, 'room.updated', $room->organization_id, $room->host_user_ref, Room::class, $room->id);
 
         if ($host && $room->scheduled_at) {
-            app(CalendarService::class)->syncRoomCreated($room->fresh(), $host);
+            app(CalendarService::class)->syncRoomUpdated($room->fresh(), $host);
         }
 
         return $room->fresh();

tests/Feature/MeetWebTest.php

@@ -740,6 +740,35 @@ class MeetWebTest extends TestCase
         ]);
     }
 
+    public function test_scheduled_room_uses_connected_mail_mailbox(): void
+    {
+        \Illuminate\Support\Facades\Http::fake([
+            'mail.ladill.com/*' => \Illuminate\Support\Facades\Http::response(['data' => ['id' => 42]], 201),
+        ]);
+
+        config([
+            'meet.calendar.mail.api_url' => 'https://mail.ladill.com/api/service/v1',
+            'meet.calendar.mail.api_key' => 'mail-test-key',
+        ]);
+
+        $this->actingAs($this->user)
+            ->post('/settings/calendar/mail', ['mailbox_email' => 'host@customdomain.com'])
+            ->assertRedirect(route('meet.settings.calendar'));
+
+        $this->actingAs($this->user)
+            ->post('/meetings', [
+                'title' => 'Custom mailbox sync',
+                'scheduled_at' => now()->addDay()->format('Y-m-d H:i'),
+                'duration_minutes' => 30,
+            ])
+            ->assertRedirect();
+
+        \Illuminate\Support\Facades\Http::assertSent(function ($request) {
+            return str_contains($request->url(), '/calendar/events')
+                && $request['mailbox_email'] === 'host@customdomain.com';
+        });
+    }
+
     public function test_host_can_create_conference(): void
     {
         $this->actingAs($this->user)