.NET: AgentThread serialization alternatives ADR#3062
Merged
westey-m merged 10 commits intomicrosoft:mainfrom Feb 26, 2026
Merged
.NET: AgentThread serialization alternatives ADR#3062westey-m merged 10 commits intomicrosoft:mainfrom
westey-m merged 10 commits intomicrosoft:mainfrom
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Pull request overview
This PR introduces an Architecture Decision Record (ADR) that evaluates alternative approaches to serializing and deserializing AgentThread instances. The ADR identifies drawbacks with the current custom Serialize/Deserialize methods and proposes solutions that would enable standard serialization mechanisms like JsonSerializer.
Key Changes
- Proposes three options for AgentThread serialization: separating state from behavior with lazy reattachment, separating state from behavior completely, or maintaining the current approach
- Documents the tradeoffs between supporting custom behaviors and enabling standard serialization
- Outlines required changes to ChatMessageStore and related infrastructure to support state-based serialization
rogerbarreto
approved these changes
Feb 26, 2026
SergeyMenshykh
approved these changes
Feb 26, 2026
This was referenced Mar 4, 2026
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Motivation and Context
There are some drawbacks to the current serialization mechanism used for AgentThread instances, so creating an ADR to consider some alternatives and their implications.
#303
Description
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