From 3955a69a1b6f10b1a554d79c7b9fda097c5ab783 Mon Sep 17 00:00:00 2001
From: Yi Bo <yibo@YideMacBook-Pro.local>
Date: Thu, 26 Mar 2026 16:20:09 +0800
Subject: [PATCH] fix: FileAdapter missing default config causes startup crash

---
 server/services/datasource-service.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/server/services/datasource-service.js b/server/services/datasource-service.js
index 9850adc..5c31bb4 100644
--- a/server/services/datasource-service.js
+++ b/server/services/datasource-service.js
@@ -102,10 +102,10 @@ class MockAdapter extends DataSourceAdapter {
 // ════════════════════════════════════════
 
 class FileAdapter extends DataSourceAdapter {
-  constructor(config) {
+  constructor(config = {}) {
     super(config);
     this.name = 'file';
-    this.dataDir = config.dataDir || path.join(DATA_DIR, '_datasources');
+    this.dataDir = (config && config.dataDir) || path.join(DATA_DIR, '_datasources');
   }
 
   async fetchMetrics({ startDate, endDate }) {
--
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