- Enabled additional C# code style suggestions in .editorconfig.
- Removed citation rendering and extraction from Ask.razor.
- Deleted Citation, ChatResponse, and TokenUsage models and references.
- Updated TokenUsageResponse to use UsageDetails from Microsoft.Extensions.AI.
- Refactored Response model: removed citations, added ConversationId, and adopted new token usage structure.
- Updated HybridCacheSessionStoreService with new cache key format and DeleteSessionAsync method.
- Refactored VectorSearchService to remove AppSettings dependency, update method signatures, and use UsageDetails for token tracking.
- Updated NuGet package references in SqlDatabaseVectorSearch.csproj.