fix: use personal login for default IM tenant

internal/imclient/client_test.go

@@ -120,6 +120,39 @@ func TestLoginBasicUsesExistingWebSocketProtocol(t *testing.T) {
 	}
 }
 
+func TestLoginBasicUsesPersonalTypeForDefaultTenant(t *testing.T) {
+	upgrader := websocket.Upgrader{}
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		conn, err := upgrader.Upgrade(w, r, nil)
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer conn.Close()
+		var packet map[string]map[string]any
+		if err = conn.ReadJSON(&packet); err != nil {
+			t.Fatal(err)
+		}
+		_ = conn.WriteJSON(map[string]any{"ctrl": map[string]any{"id": packet["hi"]["id"], "code": 201, "text": "created"}})
+		if err = conn.ReadJSON(&packet); err != nil {
+			t.Fatal(err)
+		}
+		login := packet["login"]
+		if login["login_type"] != float64(1) || login["tenant_code"] != defaultIMTenantCode {
+			t.Fatalf("unexpected login: %#v", login)
+		}
+		_ = conn.WriteJSON(map[string]any{"ctrl": map[string]any{"id": login["id"], "code": 200, "text": "ok",
+			"params": map[string]any{"user": "usr_member", "token": "token", "expires": "2026-10-27T10:00:00Z"}}})
+	}))
+	defer server.Close()
+
+	client := New(config.IMConfig{BaseURL: server.URL, HTTPAPIURL: server.URL,
+		WebSocketURL: "ws" + strings.TrimPrefix(server.URL, "http"), TenantCode: defaultIMTenantCode,
+		APIKey: "public-key", InternalService: "olons-server", InternalSecret: "secret", Timeout: time.Second})
+	if _, err := client.LoginBasic(context.Background(), "member01", "password", "web-1", "web"); err != nil {
+		t.Fatal(err)
+	}
+}
+
 func TestResetPasswordSendsBase64BcryptHash(t *testing.T) {
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		var body struct {