fix

ConversationsClassic/AppData/Client/Client.swift

@@ -77,6 +77,18 @@ extension Client {
         )
     }
 
+    func addRosterLocally(_ jid: String, name: String?, groups: [String]) async throws {
+        try await Roster.addRosterLocally(.init(
+            bareJid: credentials.bareJid,
+            contactBareJid: jid,
+            name: name,
+            subscription: "to",
+            ask: true,
+            data: .init(groups: groups, annotations: []),
+            locallyDeleted: false
+        ))
+    }
+
     func deleteRoster(_ roster: Roster) async throws {
         _ = try await connection.module(.roster).removeItem(jid: JID(roster.contactBareJid))
     }

ConversationsClassic/AppData/Model/Roster.swift

@@ -101,4 +101,10 @@ extension Roster {
             }
         }
     }
+
+    static func addRosterLocally(_ roster: Roster) async throws {
+        try await Database.shared.dbQueue.write { db in
+            try roster.save(db)
+        }
+    }
 }

ConversationsClassic/AppData/Store/ClientsStore.swift

@@ -113,6 +113,9 @@ extension ClientsStore {
                 throw AppError.clientNotFound
             }
             try await addRoster(client.credentials, contactJID: chat.participant, name: nil, groups: [])
+            // Hack here. Because we want to show chat immediately after adding roster (without waiting for server
+            // response and update rosters list) we need to write it to db manually
+            try await client.addRosterLocally(chat.participant, name: nil, groups: [])
         }
     }
 }