dotnet-1.0.0-preview.260108.1

What's Changed

• .NET: [Durable Agents] Reliable streaming sample by @cgillum in #2942
• .NET: [Breaking] Introduce RunCoreAsync/RunCoreStreamingAsync delegation pattern in AIAgent by @Copilot in #2749
• .NET: [BREAKING] Refactor ChatMessageStore methods to be similar to AIContextProvider and add filtering support by @westey-m in #2604
• [BREAKING] Remove unused AgentThreadMetadata by @westey-m in #3067
• .NET: Seal ChatClientAgentThread by @Copilot in #2842
• .NET: Fix message ordering inconsistency when using AIContextProvider by @Copilot in #2659
• .NET: Seal factory contexts and add non JSO deserialize overloads by @westey-m in #3066
• updated templates by @eavanvalkenburg in #3106
• .NET: Make A2AAgent public, so that its concrete implementation methods can be used. by @westey-m in #3119
• .NET: Map additional props <-> A2A metadata by @SergeyMenshykh in #3137
• .NET: Bump AWSSDK.Extensions.Bedrock.MEAI from 4.0.5 to 4.0.5.1 by @dependabot[bot] in #2994
• .NET: Bump Anthropic from 12.0.0 to 12.0.1 by @dependabot[bot] in #2993
• .NET: fix: Expose WorkflowErrorEvent as ErrorContent by @lokitoth in #2762
• .NET: [Breaking] Prevent loss of input messages & streamed updates when resuming streaming by @SergeyMenshykh in #2748
• .NET: Bump Microsoft.Agents.AI.Workflows from 1.0.0-preview.251125.1 to 1.0.0-preview.251219.1 by @dependabot[bot] in #2997
• .NET: Add Run overloads to expose ChatClientAgentRunOptions in IntelliSense by @Copilot in #3115
• .NET: Bump Google.GenAI from 0.6.0 to 0.9.0 by @dependabot[bot] in #2995
• .NET: Updated package versions by @dmytrostruk in #3144
• .NET: Bump Microsoft.Agents.AI.OpenAI and Microsoft.Extensions.AI.OpenAI by @dependabot[bot] in #2996

Full Changelog: dotnet-1.0.0-preview.251219.1...dotnet-1.0.0-preview.260108.1