TekH
a446162afa
Refactored `ReceivedEmailContext` to use `record` for immutability and value-based equality. Added `SyncIntervalSeconds` to `EmailAccountsOptions` for configuring IMAP sync intervals. Introduced `EmailSyncWorker` as a background service for periodic email synchronization. Registered `IMemoryCache` and integrated caching in `LimilabsImapEmailService` to reduce redundant fetch operations. Optimized `FetchEmailByUidAsync` to conditionally handle attachments and improve performance. Refactored logging and improved code readability by adopting modern C# features like `record`, `with` expressions, and `IOptions`. Performed general cleanup and streamlined method implementations.