修复项目配置草稿原子保存逻辑

backend/app/api/v1/studies.py

@@ -242,6 +242,7 @@ def _build_default_setup_config_from_study(study, sites: list) -> StudySetupConf
     if total_target is None:
         total_target = 0
     return StudySetupConfigData(
+        projectInfo=_build_project_publish_snapshot(study),
         projectMilestones=[],
         enrollmentPlan={
             "totalTarget": total_target,
@@ -263,13 +264,6 @@ def _to_date_text(value: date | None) -> str:
     return value.isoformat()
 
 
-def _project_snapshot_has_draft_values(snapshot: ProjectPublishSnapshot | None) -> bool:
-    if not snapshot:
-        return False
-    data = snapshot.model_dump(mode="json")
-    return any(value not in ("", None, []) for value in data.values())
-
-
 def _build_project_publish_snapshot(study) -> ProjectPublishSnapshot:
     return ProjectPublishSnapshot(
         code=getattr(study, "code", None) or "",
@@ -296,9 +290,7 @@ def _build_project_publish_snapshot(study) -> ProjectPublishSnapshot:
 
 
 def _resolve_setup_project_snapshot(setup_data: StudySetupConfigData, study) -> ProjectPublishSnapshot:
-    if _project_snapshot_has_draft_values(setup_data.projectInfo):
-        return setup_data.projectInfo
-    return _build_project_publish_snapshot(study)
+    return setup_data.projectInfo
 
 
 def _parse_optional_snapshot_date(value: str) -> date | None: