feat(purchase

internal/service/analytics_service_test.go

@@ -113,6 +113,16 @@ func TestAnalyticsServiceGetPurchasingAnalyticsValidation(t *testing.T) {
 			},
 			wantErr: "invalid group_by value: quarter",
 		},
+		{
+			name: "unknown team",
+			req: &models.PurchasingAnalyticsRequest{
+				OrganizationID: uuid.New(),
+				DateFrom:       now,
+				DateTo:         now,
+				Team:           "marketing",
+			},
+			wantErr: "team must be one of",
+		},
 	}
 
 	for _, tt := range tests {