From da9cb93e93cfc4f6beb9b7ed77e9f805cf5b6d7e Mon Sep 17 00:00:00 2001
From: 777genius <quantjumppro@gmail.com>
Date: Fri, 17 Apr 2026 23:12:01 +0300
Subject: [PATCH] test(ci): stabilize file watcher first-read timing

---
 test/main/services/infrastructure/FileWatcher.test.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/test/main/services/infrastructure/FileWatcher.test.ts b/test/main/services/infrastructure/FileWatcher.test.ts
index ef0dd4c4..bc7984e5 100644
--- a/test/main/services/infrastructure/FileWatcher.test.ts
+++ b/test/main/services/infrastructure/FileWatcher.test.ts
@@ -765,8 +765,13 @@ describe('FileWatcher', () => {
           filePath: string
         ) => Promise<void>;
         lastProcessedLineCount: Map<string, number>;
+        instanceCreatedAt: number;
       };
 
+      // Make the "new file after startup" case deterministic across filesystems
+      // whose birthtime precision can differ on CI runners.
+      watcherAny.instanceCreatedAt = 0;
+
       // First read of a NEW file should detect errors (not baseline-skip)
       await watcherAny.detectErrorsInSessionFile('test-project', 'session-new', filePath);