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

crates/df-nodes/src/ai_self_review_node.rs

@@ -273,6 +273,7 @@ mod tests {
     use df_storage::crud::{ProjectRepo, TaskRepo};
     use df_storage::db::Database;
     use df_storage::models::{ProjectRecord, TaskRecord};
+    use df_types::types::{ProjectStatus, TaskStatus};
     use serde_json::json;
 
     // ============================================================
@@ -287,7 +288,7 @@ mod tests {
                 id: "p1".to_string(),
                 name: "proj".to_string(),
                 description: "".to_string(),
-                status: "planning".to_string(),
+                status: ProjectStatus::Planning,
                 idea_id: None,
                 path: None,
                 stack: None,
@@ -302,7 +303,7 @@ mod tests {
                 project_id: "p1".to_string(),
                 title: "t1".to_string(),
                 description: "实现登录接口".to_string(),
-                status: "testing".to_string(),
+                status: TaskStatus::Testing,
                 priority: 2,
                 branch_name: None,
                 assignee: None,