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https://github.com/logos-messaging/logos-messaging-nim.git
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f097c1d19d
Root cause: - Separate calls to getNowInNanosecondTime() for test message timestamps and sync window boundaries led to mismatched ranges on slower macOS runs. - This caused in-window messages to be miscategorized as out-window, producing assertion failures (e.g., remoteNeeds.len==0 while diffInWin==18). Fix: - Introduce a single fixed baseTime at test start and construct all message timestamps relative to it. - Define the intended sync window as [baseTime - 1s, baseTime] and compute the reconciliation offset so effective now equals baseTime (offset = actualNow - baseTime). - Place in-window messages safely inside the window with 50ms margins, and out-window messages well before the window to avoid overlap. - Use consistent int64 timestamp arithmetic. Result: - The test is deterministic and passes reliably on macOS; eliminates the timing race. Recommend running CI matrix (macOS + Ubuntu) to confirm cross-platform stability.