Moves the semantics of message delivery in .NET to be closer to Python
(up to vagaries of differences in Threading)
* Creates a message delivery queue in InProcessRuntime
* Creates Start/Stop/WaitForIdle APIs on InProcessRuntime
* Creates API to step individual messages
* Updates InProcessRuntime to play well with IHost as an IHostedService
* add Registry abstractions and Registry Storage to Core/Contracts
* brings Grpc in line with these abstractions
* add registeragenttype to in memory runtime. Note it's not necessary to
call this because we register all the agents with reflection unless you
tell the runtime not to.....
## Why are these changes needed?
Bringing the .NET more in line with the python
## Related issue number
close#5207
## Checks
- [] I've included any doc changes needed for
https://microsoft.github.io/autogen/. See
https://microsoft.github.io/autogen/docs/Contribute#documentation to
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- [x ] I've added tests (if relevant) corresponding to the changes
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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Changes to align the .NET code more with the python codebase.
* rename *Worker to *Runtime
* refactor shared runtime elements to AgentRuntimeBase
* align runtime interface with python
## Why are these changes needed?
Aligning the .NET with the python code and then we can evolve together
from there.
## Related issue number
Closes#5201
