fix: include username in me endpoint

server/im_http_test.go

@@ -3820,6 +3820,33 @@ func TestServeIMMailboxSubmissionMapsPolicyToValidationFailed(t *testing.T) {
 	}
 }
 
+func TestServeIMMeIncludesUsername(t *testing.T) {
+	ctrl := gomock.NewController(t)
+	defer ctrl.Finish()
+	expectIMBearer(t, ctrl, "token-1", 7, 42)
+	oldUsers := store.Users
+	users := mock_store.NewMockUsersPersistenceInterface(ctrl)
+	users.EXPECT().Get(types.TenantID(7), types.Uid(42)).Return(&types.User{Username: "gcharles7", Phone: "+8613800138000"}, nil)
+	store.Users = users
+	defer func() { store.Users = oldUsers }()
+	oldProfiles := store.Profiles
+	store.Profiles = &testProfilesStore{}
+	defer func() { store.Profiles = oldProfiles }()
+
+	req := httptest.NewRequest(http.MethodGet, "/v1/im/me", nil)
+	req.Header.Set("Authorization", "Bearer token-1")
+	rec := httptest.NewRecorder()
+	serveIMMe(rec, req)
+
+	if rec.Code != http.StatusOK {
+		t.Fatalf("status=%d body=%s", rec.Code, rec.Body.String())
+	}
+	data := decodeIMHTTPResponse(t, rec).Data.(map[string]any)
+	if data["user_id"] != types.Uid(42).UserId() || data["username"] != "gcharles7" {
+		t.Fatalf("unexpected me payload: %#v body=%s", data, rec.Body.String())
+	}
+}
+
 func TestServeIMMeProfile(t *testing.T) {
 	ctrl := gomock.NewController(t)
 	defer ctrl.Finish()