25 Commits

• .NET: [BREAKING] Renamed CreateAIAgent/GetAIAgent to AsAIAgent (#3222)

  * Renamed chat client extension method
  
  * Additional renaming
  
  * Updated documentation
  
  * Fixed tests
  
  * Small fix
  
  * Small fix

  Dmytro Struk · 2026-01-15 16:01:15 +00:00
  2ab859dd94
• .NET: Merge AgentRunOptions.AdditionalProperties into ChatOptions.AdditionalProperties (#3184)

  * Merge AgentRunOptions.AdditionalProperties into ChatOptions.AdditionalProperties
  
  * Fix namespace and typo.

  westey · 2026-01-15 12:15:24 +00:00
  3dbdecedda
• .NET: [Breaking] RenameAgentRunResponse and AgentRunResponseUpdate classes (#3197)

  * rename AgentRunResponse and AgentRunResponseUpdate classes - part1
  
  * rename varialbles, parameters, methods and tests
  
  * rollback unnecessary changes

  SergeyMenshykh · 2026-01-14 10:27:41 +00:00
  c70e594e6c
• .NET: [BREAKING] Change GetNewThread and DeserializeThread to async (#3152)

  * Change GetNewThread and DeserializeThread plus ChatMessageStore and AIContextProvider Factories to async
  
  * Merge fixes

  westey · 2026-01-12 11:25:51 +00:00
  bb6ecd9c71
• .NET: Add Run overloads to expose ChatClientAgentRunOptions in IntelliSense (#3115)

  * Initial plan
  
  * Add ChatClientAgentExtensions for improved discoverability of ChatClientAgentRunOptions
  
  Co-authored-by: westey-m <164392973+westey-m@users.noreply.github.com>
  
  * Address code review feedback - use collection expression syntax
  
  Co-authored-by: westey-m <164392973+westey-m@users.noreply.github.com>
  
  * Apply suggestion from @westey-m
  
  * Fix issues with Copilot implementation
  
  * Add additional tests for structured output overloads.
  
  ---------
  
  Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
  Co-authored-by: westey-m <164392973+westey-m@users.noreply.github.com>

  Copilot · 2026-01-08 19:25:47 +00:00
  92435c6ab5
• .NET: [Breaking] Prevent loss of input messages & streamed updates when resuming streaming (#2748)

  * save input messages and stream updates to the continuation token to be able to use them in the last successful stream resumption call.
  
  * Update dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgentContinuationToken.cs
  
  Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
  
  * Update dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgentContinuationToken.cs
  
  Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
  
  * Update dotnet/tests/Microsoft.Agents.AI.UnitTests/ChatClient/ChatClientAgent_BackgroundResponsesTests.cs
  
  Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
  
  * Update dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgentContinuationToken.cs
  
  Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
  
  * Update dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgentContinuationToken.cs
  
  Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
  
  * fix typo
  
  * init continuation token from chat response
  
  * remove unnecessary types for source generation
  
  * remove check for continuation token passed at initial run
  
  * remove check for continuation token pass at initial run
  
  * centralize continuation token parsing
  
  * update xml comments
  
  * use readonly collection instead of enumerable
  
  ---------
  
  Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

  SergeyMenshykh · 2026-01-08 17:31:13 +00:00
  7aa72f6fdb
• .NET: Fix message ordering inconsistency when using AIContextProvider (#2659)

  * Initial plan
  
  * Fix message ordering inconsistency when using AIContextProvider
  
  Co-authored-by: westey-m <164392973+westey-m@users.noreply.github.com>
  
  * Revert to original message ordering: Input, AIContextProvider, Response
  
  Co-authored-by: westey-m <164392973+westey-m@users.noreply.github.com>
  
  * Reorder messages to ChatClient to match MessageStore order: Existing, Input, AIContextProvider
  
  Co-authored-by: westey-m <164392973+westey-m@users.noreply.github.com>
  
  * Remove redundant test methods as existing tests already verify the behavior
  
  Co-authored-by: westey-m <164392973+westey-m@users.noreply.github.com>
  
  ---------
  
  Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
  Co-authored-by: westey-m <164392973+westey-m@users.noreply.github.com>
  Co-authored-by: Mark Wallace <127216156+markwallace-microsoft@users.noreply.github.com>
  Co-authored-by: Chris <66376200+crickman@users.noreply.github.com>

  Copilot · 2026-01-06 15:39:42 +00:00
  953fde69ac
• .NET: [BREAKING] Refactor ChatMessageStore methods to be similar to AIContextProvider and add filtering support (#2604)

  * Refactor ChatMessageStore methods to be similar to AIContextProvider
  
  * Fix file encoding
  
  * Ensure that AIContextProvider messages area also persisted.
  
  * Update formatting and seal context classes
  
  * Improve formatting
  
  * Remove optional messages from constructor and add unit test
  
  * Add ChatMessageStore filtering via a decorator
  
  * Update sample and cosmos message store to store AIContextProvider messages in right order. Fix unit tests.
  
  * Update Workflowmessage store to use aicontext provider messages.
  
  * Apply suggestions from code review
  
  Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
  
  * Apply suggestions from code review
  
  Co-authored-by: SergeyMenshykh <68852919+SergeyMenshykh@users.noreply.github.com>
  
  * Improve xml docs messaging
  
  * Address code review comments.
  
  * Also notify message store on failure
  
  ---------
  
  Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
  Co-authored-by: SergeyMenshykh <68852919+SergeyMenshykh@users.noreply.github.com>

  westey · 2026-01-05 11:51:15 +00:00
  3ef67eff10
• .NET [Breaking] Simplify and Refactor ChatclientAgentOptions Ctor + Instructions (#1517)

  * Point AgentOptions.Instructions to ChatOptions
  
  * Update tests and checks
  
  * Update xml docs
  
  * Removal of agentOptions.Instructions in favor of chatOptions.Instructions
  
  * Instructions and tool check consistency
  
  * Instructions and tool check consistency
  
  * Address comment
  
  * Update .github/upgrades/prompts/SemanticKernelToAgentFramework.md
  
  Co-authored-by: westey <164392973+westey-m@users.noreply.github.com>
  
  * Address PR Comment
  
  * Update latest changes to comply with the PR proposal
  
  * Address feedback
  
  * Update dotnet/tests/Microsoft.Agents.AI.UnitTests/ChatClient/ChatClientAgentTests.cs
  
  Co-authored-by: westey <164392973+westey-m@users.noreply.github.com>
  
  * Address instructions
  
  * Update declarative to use promptAgent.Instrucitons with chatOptions.Instructions
  
  ---------
  
  Co-authored-by: westey <164392973+westey-m@users.noreply.github.com>
  Co-authored-by: Mark Wallace <127216156+markwallace-microsoft@users.noreply.github.com>

  Roger Barreto · 2025-12-03 13:39:47 +00:00
  6232dd8305
• .NET: Prevent streamed updates loss when resuming streaming (#2516)

  * prevent stremed updates loss when resuming streaming with non-agent managed store or/and context provider
  
  * Update dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgent.cs
  
  Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
  
  * throw not supported exception instead invalid operation
  
  * Update dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgent.cs
  
  Co-authored-by: westey <164392973+westey-m@users.noreply.github.com>
  
  * Update dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgent.cs
  
  Co-authored-by: westey <164392973+westey-m@users.noreply.github.com>
  
  * use conversation id to check if chat history is managed by agent service or not
  
  * extract background responses tests into a separate file
  
  ---------
  
  Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
  Co-authored-by: westey <164392973+westey-m@users.noreply.github.com>

  SergeyMenshykh · 2025-11-28 16:11:30 +00:00
  67de7bcd93
• [BREAKING] Remove NotifyThreadOfNewMessagesAsync AIAgent helper (#2450)

  * Remove NotifyThreadOfNewMessagesAsync helper from AIAgent
  
  * Fix bug
  
  * Update comment

  westey · 2025-11-25 11:59:26 +00:00
  b6c3b8d3f2
• .NET: [BREAKING] Add GetNewThread overload for taking a ChatMessageStore at thread creation time (#2429)

  * Add GetNewThread overload for taking a ChatMessageStore at thread creation time and move message store creation to thread creation time.
  
  * Fix formatting.
  
  * Apply suggestions from code review
  
  Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
  
  * Apply suggestion from @rogerbarreto
  
  Co-authored-by: Roger Barreto <19890735+rogerbarreto@users.noreply.github.com>
  
  ---------
  
  Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
  Co-authored-by: Roger Barreto <19890735+rogerbarreto@users.noreply.github.com>

  westey · 2025-11-25 10:49:01 +00:00
  112410ecd6
• Update to latest MEAI 10.0.1 and OpenAI 2.7.0 (#2392)
  Stephen Toub · 2025-11-24 13:51:27 +00:00
  a116edaf5a
• Don't stamp unknown author name on output messages. (#1830)
  westey · 2025-10-31 14:12:20 +00:00
  2101d9d36d
• .NET: [BREAKING] Fix issue where AIContextProvider messages were not added to MessageStores (#1788)

  * Fix issue where AIContextProvider messages were not added to MessageStores
  
  * Fix typos
  
  * Update XML docs to reduce ambiguity.
  
  * Update AIContext XML docs
  
  * Fix merge issue

  westey · 2025-10-30 11:55:48 +00:00
  fb7086b2e0
• .NET: Add support for background responses (#1501)

  * add support for background responses
  
  * Update dotnet/src/Microsoft.Agents.AI.Abstractions/AgentRunResponseUpdate.cs
  
  Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
  
  * fix broken link
  
  * fix xml comments and background responses properties override funcitonity
  
  * change ai model provider
  
  * use Run{Streaming}Async overloads that don't require messages
  
  * stop using m: prefix in cref attribute of <see/> element.
  
  * reject input messages provided with continuation token + don't extract messages from message store and context provide if continuation token is provided
  
  * use agent thread for background-responses sample
  
  * require agent thread for background responses
  
  * Update dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgent.cs
  
  Co-authored-by: Roger Barreto <19890735+rogerbarreto@users.noreply.github.com>
  
  * Update dotnet/src/Microsoft.Agents.AI/ChatClient/ChatClientAgent.cs
  
  Co-authored-by: Roger Barreto <19890735+rogerbarreto@users.noreply.github.com>
  
  * remove CA1200
  
  * Update dotnet/src/Microsoft.Agents.AI.Abstractions/AgentRunOptions.cs
  
  Co-authored-by: westey <164392973+westey-m@users.noreply.github.com>
  
  * Update dotnet/src/Microsoft.Agents.AI.Abstractions/AgentRunResponse.cs
  
  Co-authored-by: westey <164392973+westey-m@users.noreply.github.com>
  
  * Update dotnet/src/Microsoft.Agents.AI.Abstractions/AgentRunResponse.cs
  
  Co-authored-by: westey <164392973+westey-m@users.noreply.github.com>
  
  * address pr review comments
  
  * Update dotnet/samples/GettingStarted/Agents/Agent_Step17_BackgroundResponses/Program.cs
  
  Co-authored-by: westey <164392973+westey-m@users.noreply.github.com>
  
  ---------
  
  Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
  Co-authored-by: Roger Barreto <19890735+rogerbarreto@users.noreply.github.com>
  Co-authored-by: westey <164392973+westey-m@users.noreply.github.com>

  SergeyMenshykh · 2025-10-22 17:43:57 +00:00
  1bf520a7c2
• .NET: Duplicate System Instruction when creating a ChatClientAgentOptions instance with the constructor (#1382)

  * unit test for using create agent option by constructor
  
  * remove this for prevent duplicate when ChatClientAgentOption and ChatOption has same Instruction
  
  * update unit test for ChatClientAgentOptions

  Trung Hieu · 2025-10-16 09:24:00 +00:00
  9677899600
• .NET: ChatClientBuilderExtensions should be in the M.E.AI namespace (#1484)

  * ChatClientBuilderExtensions should be in the M.E.AI namespace
  
  * ChatClientBuilderExtensions should be in the M.E.AI namespace

  Mark Wallace · 2025-10-15 14:58:41 +00:00
  d7094d5432
• .NET: Improve structured output for chat client agent (#1172)

  * improve structured output for chat client agent
  
  * add comment to the result property
  
  * remove code duplication and add tests
  
  * refactor the CreateAIAgent extension methods to return specific types, so consumers can avoid unnecessary downcasting.
  
  * fix type and remove unused using.
  
  * add ChatClientAgentRunResponse and move AgentRunResponse to the abstractions package to reuse later.
  
  * seal ChatClientAgentRunResponse
  
  * update xml comment
  
  * remove funcitons from sample
  
  * rename agent for streaming

  SergeyMenshykh · 2025-10-07 12:04:26 +00:00
  3fd5768b34
• .NET: Add a CreateAIAgent extension method to IChatClient (#1223)

  * Add a CreateAIAgent extension method to IChatClient
  
  * Fix unit tests
  
  * Add tests with null chat clients to ensure appropriate failure
  
  * Switch to similar constructor
  
  * Add ChatClientBuilder BuildAgent extensions
  
  * Address code review comments.

  westey · 2025-10-07 09:47:33 +00:00
  3dc14dac79
• .NET: Fix bug where ChatClientAgent throws when providing a ChatMessageStore with a service that requries service storage (#1229)

  * Fix bug where ChatClientAgent throws when providing a ChatMessageStore with a service that requries service storage
  
  * Update dotnet/tests/Microsoft.Agents.AI.UnitTests/ChatClient/ChatClientAgentTests.cs
  
  Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
  
  ---------
  
  Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

  westey · 2025-10-07 08:31:34 +00:00
  74905af778
• .NET: Fix some more static analysis diagnostics (#1025)

  * S1006
  
  * S2219
  
  * S3236
  
  * S3260
  
  * S1125
  
  * IDE0063
  
  * IDE0062
  
  * IDE0028

  Stephen Toub · 2025-09-30 22:50:22 +00:00
  2539282d30
• .NET: Add Agent Filtering Middleware (#478)

  * WIP
  
  * Wip
  
  * Updated ADR
  
  * Updated ADR
  
  * Update files
  
  * Address copilot comments
  
  * Update filters from Task<T> to Task only
  
  * Project endpoint
  
  * Add agent ctor filter
  
  * Other Agent Framework investigation
  
  * Remove SK Java, no support
  
  * Update LlamaIndex info
  
  * Removing unrelated files
  
  * Implementation with specialization
  
  * Remove the specialization option as extra unecessary complexity
  
  * Move middleware responsibility to a decorator
  
  * Update readme
  
  * Function invocation wip
  
  * Add Agent Builder
  
  * Adding comparison samples
  
  * Reorganize Samples and Processor vs Decorator
  
  * Remove merge files
  
  * Address formating warnigs
  
  * Update ADR
  
  * Step13 README's update
  
  * Address PR feedback
  
  * Address PR feedback
  
  * Remove configure await from ADR samples
  
  * Update variables
  
  * Address feedback
  
  * Address Agent level tool invocation with Options.ToolsTransformer strategy
  
  * Removing the Processor approach
  
  * Proposal design for Middleware in CreateAIAgent extensions
  
  * Examples clean up and consolitation
  
  * Update middlewares to work with ApprovalREquiredFunction
  
  * Clean-up sample
  
  * Update override function call sample
  
  * Drop configuration from the extensions, looks overkill
  
  * Builder interface ..
  
  * Revert IAIBuilder interface approach
  
  * Cleanup sample
  
  * Adding unit tests
  
  * Fix UT
  
  * Cleanup sample
  
  * Remove unneeded dependency
  
  * Address PR comment + Readme Samples
  
  * Add missing comments for Program.cs Middleware
  
  * Address mor PR comments + add client factory for OpenAI extensions
  
  * Add OpenAI UnitTests for extensions
  
  * Add AzureAI PersistentChatClient UT
  
  * Addess feedback
  
  * Add function invoking UT
  
  * Add builder extension UT
  
  * Address feedback + Rearange abstractions + UT fixes
  
  * Drop context based middleware for full decorating impl
  
  * Update unit tests
  
  * Update UT coverage
  
  * Removing Middelware namespace
  
  * Add missing UT
  
  * Remove internal ToolTransformation Property
  
  * Adjust xmldoc
  
  * Remove transient file
  
  * Address merge conflict
  
  * Add xmldoc remark for clarity
  
  * Address comment
  
  * Address feedback
  
  * Update UT
  
  ---------
  
  Co-authored-by: Chris <66376200+crickman@users.noreply.github.com>

  Roger Barreto · 2025-09-29 17:58:04 +00:00
  7a8b456294
• .NET: Make serialize methods sync and rename one to match others. (#946)

  * Make serialize methods sync and rename one to match others.
  
  * Remove unnecessary async postfixes.
  
  * Remove nullability of ChatMessageStore.Serialize return type, since the default JsonElement already represents an undefined json element.
  
  * Fix unit test

  westey · 2025-09-29 09:32:01 +00:00
  bf5931932e
• Rename AI Agent packages to use Microsoft.Agents.AI (#913)

  * Rename AI Agent packages to use Microsoft.Agents.AI
  
  * Fix for build
  
  * Fix formatting
  
  * Fix formatting
  
  * Ignore in VSTHRD200 in migration samples
  
  * Ignore in VSTHRD200 in migration samples
  
  * Add some missing projects and run format
  
  * Fix build errors
  
  * Address code review feedback
  
  * Fix merge issues
  
  ---------
  
  Co-authored-by: Mark Wallace <markwallace@microsoft.com>

  Mark Wallace · 2025-09-25 19:31:25 +00:00
  32e054f1fe