rysweet-unsubscribe-and-agent-tests-4744

[rysweet]

Why are these changes needed?

adds unsubscribe api
adds tests for most all of Agent and AgentWorker

Related issue number

closes #4744
closes #4357

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.

[Copilot]

Copilot reviewed 105 out of 120 changed files in this pull request and generated 3 comments.

Files not reviewed (15)

• dotnet/AutoGen.sln: Language not supported
• dotnet/Directory.Packages.props: Language not supported
• dotnet/samples/dev-team/DevTeam.AgentHost/DevTeam.AgentHost.csproj: Language not supported
• dotnet/samples/dev-team/DevTeam.AgentHost/Properties/launchSettings.json: Language not supported
• dotnet/samples/dev-team/DevTeam.AgentHost/appsettings.Development.json: Language not supported
• dotnet/samples/dev-team/DevTeam.Agents/DevTeam.Agents.csproj: Language not supported
• dotnet/samples/dev-team/DevTeam.Agents/Properties/launchSettings.json: Language not supported
• dotnet/samples/dev-team/DevTeam.Agents/appsettings.Development.json: Language not supported
• dotnet/samples/dev-team/DevTeam.AgentHost/Program.cs: Evaluated as low risk
• dotnet/samples/dev-team/DevTeam.Agents/Developer/Developer.cs: Evaluated as low risk
• dotnet/samples/dev-team/DevTeam.Agents/DeveloperLead/DeveloperLead.cs: Evaluated as low risk
• dotnet/samples/dev-team/DevTeam.Agents/ProductManager/ProductManager.cs: Evaluated as low risk
• dotnet/samples/dev-team/DevTeam.Agents/Program.cs: Evaluated as low risk
• README.md: Evaluated as low risk
• dotnet/samples/Hello/HelloAIAgents/Program.cs: Evaluated as low risk

Comments suppressed due to low confidence (1)

dotnet/samples/Hello/HelloAgent/Program.cs:59

• The SayHello method now accepts a CancellationToken, but the Handle method does not pass the cancellationToken to it. Ensure that the cancellationToken is propagated correctly.

public async Task<string> SayHello(string ask, CancellationToken cancellationToken = default)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.08%. Comparing base (55e929d) to head (da4923a).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4920   +/-   ##
=======================================
  Coverage   70.08%   70.08%           
=======================================
  Files         179      179           
  Lines       11620    11620           
=======================================
  Hits         8144     8144           
  Misses       3476     3476           

Flag	Coverage Δ
unittests	70.08% <ø> (ø)

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