Merge pull request #2527 from vitorpamplona/claude/remove-group-on-leave-JTVQb

Fix memory leak when leaving Marmot groups

amethyst/src/main/java/com/vitorpamplona/amethyst/model/Account.kt

@@ -2319,6 +2319,12 @@ class Account(
         }
 
         val outbound = manager.leaveGroup(nostrGroupId)
+        // manager.leaveGroup already wiped MLS state, relay subscriptions and
+        // the persisted message log. Drop the in-memory chatroom too — that
+        // releases the strong refs to the decrypted inner notes so LocalCache
+        // (which holds them weakly) can GC them, and the Notification feed
+        // (which iterates marmotGroupList.rooms) stops surfacing the group.
+        marmotGroupList.removeGroup(nostrGroupId)
         client.publish(outbound.signedEvent, groupRelays)
     }
 

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/marmotGroup/MarmotGroupInfoScreen.kt

@@ -316,7 +316,6 @@ fun MarmotGroupInfoScreen(
                 scope.launch(Dispatchers.IO) {
                     try {
                         accountViewModel.leaveMarmotGroup(nostrGroupId)
-                        accountViewModel.account.marmotGroupList.removeGroup(nostrGroupId)
                         nav.nav(Route.Message)
                     } catch (e: Exception) {
                         isLeaving = false