新增: TaskRecord加output_json产出字段+V17迁移(决策a AiNode自审闭环)

src-tauri/src/commands/ai/tool_registry.rs

@@ -350,6 +350,7 @@ pub fn build_ai_tool_registry(db: &Arc<Database>) -> AiToolRegistry {
                     status: "todo".to_string(), priority: args["priority"].as_i64().unwrap_or(2) as i32,
                     branch_name: None, assignee: None, workflow_def_id: None, base_branch: None,
                     review_rounds: 0,
+                    output_json: None,
                     created_at: now_millis(), updated_at: now_millis(),
                 };
                 let id = record.id.clone();

src-tauri/src/commands/task.rs

@@ -78,6 +78,7 @@ pub async fn create_task(
         workflow_def_id: None,
         base_branch: None,
         review_rounds: 0,
+        output_json: None,
         created_at: now.clone(),
         updated_at: now,
     };