Introduces experimental WAL (Write-Ahead Logging) incremental sync for WeChat database decryption, allowing real-time monitoring and incremental updates to the working directory database. Adds UI and config options to enable WAL support and configure auto-decrypt debounce interval. Updates related services, context, and data source logic to support WAL file handling, incremental decryption, and improved process detection. Also improves single-instance process checks and updates documentation for these new features.
