修复: status→enum + type alias(SMELL-P1-6)

crates/df-storage/src/crud/project_service_repo.rs

@@ -295,6 +295,7 @@ mod tests {
     use super::*;
     use crate::crud::ProjectRepo;
     use crate::models::ProjectRecord;
+    use df_types::types::ProjectStatus;
 
     /// 构造内存 DB + 占位 project(project_services.project_id FK 要求 projects 存在)。
     async fn setup() -> (crate::db::Database, ProjectServiceRepo) {
@@ -308,7 +309,7 @@ mod tests {
                 id: "proj-1".to_string(),
                 name: "proj-1".to_string(),
                 description: String::new(),
-                status: "active".to_string(),
+                status: ProjectStatus::Planning,
                 idea_id: None,
                 path: None,
                 stack: None,