fix(t233): add redacted ERP diagnostics

backend-api/internal/config/envfile_test.go

@@ -14,6 +14,7 @@ func TestWithERPEnvironmentFileUsesApprovedFallbackValues(t *testing.T) {
 		"CMROUBAO_SHUNYUNBAO_USERNAME=dotenv-user",
 		"CMROUBAO_SHUNYUNBAO_PASSWORD='dotenv password #1'",
 		"CMROUBAO_OCR_API_URL=http://127.0.0.1:8000/ocr",
+		"CMROUBAO_ERP_DEBUG_LOG=true",
 	}, "\n"))
 
 	lookup, err := WithERPEnvironmentFile(path, func(string) (string, bool) {
@@ -29,7 +30,7 @@ func TestWithERPEnvironmentFileUsesApprovedFallbackValues(t *testing.T) {
 	if cfg.ShunyunbaoURL != "https://erp.example.test" ||
 		cfg.ShunyunbaoUsername != "dotenv-user" ||
 		cfg.ShunyunbaoPassword != "dotenv password #1" ||
-		cfg.OCRAPIURL != "http://127.0.0.1:8000/ocr" {
+		cfg.OCRAPIURL != "http://127.0.0.1:8000/ocr" || !cfg.ERPDebugLog {
 		t.Fatalf(
 			"ERP config = %#v",
 			struct {