- Added `RefreshAPIKeyModelAlias` for explicit alias table rebuilds. - Introduced deferred rebuild support with `WithDeferredAPIKeyModelAliasRebuild` and context flag validation. - Implemented `openAICompatibilityRegistrationCache` to streamline OpenAI compatibility model registrations. - Updated executor and model registration workflows to utilize cached compatibility data, improving efficiency in batch operations. - Adjusted max worker limits dynamically based on model categories. Closes: #3953