1. Synchronization: How do you keep your database in sync across multiple devices without relying on proprietary cloud clients?
2. Integration: How do you make it seamless to use these passwords in your system and applications (like Git or VS Code)?
This article describes a battle-tested setup that solves both problems using Rclone for synchronization and the Secret Service API for system integration in Linux distributions, specifically those based on Wayland.
I personally use mount, I have never had problems with locking.
[1] https://rclone.org/bisync/#limitations