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## Why are these changes needed?

<!-- Please give a short summary of the change and the problem this
solves. -->

## Related issue number

<!-- For example: "Closes #1234" -->

## Checks

- [ ] I've included any doc changes needed for
https://microsoft.github.io/autogen/. See
https://microsoft.github.io/autogen/docs/Contribute#documentation to
build and test documentation locally.
- [ ] I've added tests (if relevant) corresponding to the changes
introduced in this PR.
- [ ] I've made sure all auto checks have passed.

We were registering the serializers when we already had a concrete type
on the way into Publish or Send on the .NET side. However, in a xLang
scenario, messages could originate from e.g. Python before being
sent/published from .NET, resulting in no serializer being found.

This change adds a second-change registration and lookup when the agent
is instantiated based on the IHandle<T> implementations.

Restoring the grpc + Orleans server into the project

## Why are these changes needed?

This is the distributed agent runtime for .NET that can manage routing
messages amongst a fleet of grpc agent runtimes.

## Related issue number

## Checks

- [ ] I've included any doc changes needed for
https://microsoft.github.io/autogen/. See
https://microsoft.github.io/autogen/docs/Contribute#documentation to
build and test documentation locally.
- [x] I've added tests (if relevant) corresponding to the changes
introduced in this PR.
- [x] I've made sure all auto checks have passed.

---------

Co-authored-by: Jack Gerrits <jack@jackgerrits.com>
Co-authored-by: Jacob Alber <jaalber@microsoft.com>

Co-authored-by: Jacob Alber <jaalber@microsoft.com>
Co-authored-by: Ryan Sweet <rysweet@microsoft.com>

Co-authored-by: Ryan Sweet <rysweet@microsoft.com>

* fix python path

* update HelloAgent to enable grpc

* agents app remove webapplication and add grpc

* add di for client

* adding events types to grpc di

* warnings to information

* improve logging, add some error handling; fix grpc startup

* improve error logging

* cleaning up publishing of messages and message handling.

* WbApplication->HostedApplication

* formatting

* WebApplication -> HostApplication

* ensure correct .NET versions are available for integration test

* Pin uv to 0.5.18

* pin gen component

* pin

* Fix definition of workspace package, remove uv pin

* add  --all-packages

* pin docs uv versions for older project structure

* try old version to verify CI

* Use workflow target

* change syntax

* change check

* try with var in matrix

* add all packages to workspace

* remove project table

adds aspire-based integration test that validates:
* registration
* subscriptions
* event delivery
* python -> .NET server -> python subscriber
* .NET -> .NET server  -> python subscriber
* python -> .NET server -> .NET subscriber

* Add protos to paths-filter

* Update dotnet-build.yml

* Fix formatting and remove duplicated import of EVENT_LOGGER_NAME in agentchat

* add staging to target in checks

* add staging to target in checks for dotnet

* Fix circular imports

* fix test

* install aspire workload

* format

* fix build error

* fix format

* format

* update version and release note

* Update MetaInfo.props

* update release note

* dispose kernel after running test

* add timeout

* add DotnetInteractiveBuilder

* update

* fix workflow

* add pwsh test

* update

* add extract code extension

* update workflow

* break conversation when orchestartor return null

* enable test on different OS

* use 8.0.x versin

* enable format check

* change file header

* apply code format

* add instructions in ci to fix format error

* add comment back

* add AutoGen.AotCompatibility test

* add aot test

* fix build error

* update ps1 path

* Update dotnet-build.yml

* Update dotnet-build.yml

* update

* Update build.yml

* Update build.yml

* test workflow

* add build_check

* update

* use conditional check

* update

* fix formatting

* update dotnet build pipieline

* update readme

* update

* update

* update

* update

* update

* update

* add sample project

* revert notebook change back

* update

* update interactive version

* add nuget package

* refactor Message

* update example

* add azure nightly build pipeline

* Set up CI with Azure Pipelines

[skip ci]

* Update nightly-build.yml for Azure Pipelines

* add dotnet interactive package

* add dotnet interactive package

* update pipeline

* add nuget feed back

* remove dotnet-tool feed

* remove dotnet-tool feed comment

* update pipeline

* update build name

* Update nightly-build.yml

* Delete .github/workflows/dotnet-ci.yml

* update

* add working_dir to use step

* add initateChat api

* update oai package

* Update dotnet-build.yml

* Update dotnet-run-openai-test-and-notebooks.yml

* update build workflow

* update build workflow

* update nuget feed

* update nuget feed

* update aoai and sk version

* Update InteractiveService.cs

* add support for GPT 4V

* add DalleAndGPT4V example

* update example

* add user proxy agent

* add readme

* bump version

* update example

* add dotnet interactive hook

* update

* udpate tests

* add website

* update index.md

* add docs

* update doc

* move sk dependency out of core package

* udpate doc

* Update Use-function-call.md

* add type safe function call document

* update doc

* update doc

* add dock

* Update Use-function-call.md

* add GenerateReplyOptions

* remove IChatLLM

* update version

* update doc

* update website

* add sample

* fix link

* add middleware agent

* clean up doc

* bump version

* update doc

* update

* add Other Language

* remove warnings

* add sign.props

* add sign step

* fix pipelien

* auth

* real sign

* disable PR trigger

* update

* disable PR trigger

* use microbuild machine

* update build pipeline to add publish to internal feed

* add internal feed

* fix build pipeline

* add dotnet prefix

* update ci

* add build number

* update run number

* update source

* update token

* update

* remove adding source

* add publish to github package

* try again

* try again

* ask for write pacakge

* disable package when branch is not main

* update

* implement streaming agent

* add test for streaming function call

* update

* fix #1588

* enable PR check for dotnet branch

* add website readme

* only publish to dotnet feed when pushing to dotnet branch

* remove openai-test-and-notebooks workflow

* update readme

* update readme

* update workflow

* update getting-start

* upgrade test and sample proejct to use .net 8

* fix global.json format && make loadFromConfig API internal only before implementing

* update

* add support for LM studio

* add doc

* Update README.md

* add push and workflow_dispatch trigger

* disable PR for main

* add dotnet env

* Update Installation.md

* add nuget

* refer to newtonsoft 13

* update branch to dotnet in docfx

* Update Installation.md

* pull out HumanInputMiddleware and FunctionCallMiddleware

* fix tests

* add link to sample folder

* refactor message

* refactor over IMessage

* add more tests

* add more test

* fix build error

* rename header

* add semantic kernel project

* update sk example

* update dotnet version

* add LMStudio function call example

* rename LLaMAFunctin

* remove dotnet run openai test and notebook workflow

* add FunctionContract and test

* update doc

* add documents

* add workflow

* update

* update sample

* fix warning in test

* reult length can be less then maximumOutputToKeep (#1804)

* merge with main

* add option to retrieve inner agent and middlewares from MiddlewareAgent

* update doc

* adjust namespace

* update readme

* fix test

* use IMessage

* more updates

* update

* fix test

* add comments

* use FunctionContract to replace FunctionDefinition

* move AutoGen contrac to AutoGen.Core

* update installation

* refactor streamingAgent by adding StreamingMessage type

* update sample

* update samples

* update

* update

* add test

* fix test

* bump version

* add openaichat test

* update

* Update Example03_Agent_FunctionCall.cs

* [.Net] improve docs (#1862)

* add doc

* add doc

* add doc

* add doc

* add doc

* add doc

* update

* fix test error

* fix some error

* fix test

* fix test

* add more tests

* edits

---------

Co-authored-by: ekzhu <ekzhu@users.noreply.github.com>

* [.Net] Add fill form example (#1911)

* add form filler example

* update

* fix ci error

* [.Net] Add using AutoGen.Core in source generator (#1983)

* fix using namespace bug in source generator

* remove using in sourcegenerator test

* disable PR test

* Add .idea to .gitignore (#1988)

* [.Net] publish to nuget.org feed (#1987)

* publish to nuget

* update ci

* update dotnet-release

* update release pipeline

* add source

* remove empty symbol package

* update pipeline

* remove tag

* update installation guide

* [.Net] Rename some classes && APIs based on doc review (#1980)

* rename sequential group chat to round robin group chat

* rename to sendInstruction

* rename workflow to graph

* rename some api

* bump version

* move Graph to GroupChat folder

* rename fill application example

* [.Net] Improve package description (#2161)

* add discord link and update package description

* Update getting-start.md

* [.Net] Fix document comment from the most recent AutoGen.Net engineer sync (#2231)

* update

* rename RegisterPrintMessageHook to RegisterPrintMessage

* update website

* update update.md

* fix link error

* [.Net] Enable JsonMode and deterministic output in AutoGen.OpenAI OpenAIChatAgent (#2347)

* update openai version && add sample for json output

* add example in web

* update update.md

* update image url

* [.Net] Add AutoGen.Mistral package (#2330)

* add mstral client

* enable streaming support

* add mistralClientAgent

* add test for function call

* add extension

* add support for toolcall and toolcall result message

* add support for aggregate message

* implement streaming function call

* track (#2471)

* [.Net] add mistral example (#2482)

* update existing examples to use messageCOnnector

* add overview

* add function call document

* add example 14

* add mistral token count usage example

* update version

* Update dotnet-release.yml (#2488)

* update

* revert gitattributes

---------

Co-authored-by: mhensen <mh@webvize.nl>
Co-authored-by: ekzhu <ekzhu@users.noreply.github.com>
Co-authored-by: Krzysztof Kasprowicz <60486987+Krzysztof318@users.noreply.github.com>

* enable lfs support in dotnet workflow

* Update dotnet-release.yml

* Update dotnet-build.yml

* Add mypy check in pre-commit

* Add mypy check in pre-commit

* bug fix

* CI fix

* add python version matrix for checking types in CI

* update github actions

* revert some accidental changes

* revert some accidental changes

* revert some accidental changes

* revert some accidental changes

---------

Co-authored-by: Eric Zhu <ekzhu@users.noreply.github.com>
Co-authored-by: Chi Wang <wang.chi@microsoft.com>

* cherry-pick change in dotnet workflow

* delete openai test workflow as it's part of dotnet-build already