* Fixing some samples and sample verification.
* Workaround for continuation token moved to sample.
* Address PR review comments: reset _stdinEof on reuse, null-guard modelId, format
- WorkflowRunner: reset _stdinEof=false at start of ExecuteAsync so reused
instances don't exit immediately on the next external request
- 04_memory: throw clear InvalidOperationException when DefaultModelId is null
rather than silently sending null to the Foundry Responses API
- dotnet format: no code changes, formatting only
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
* Improving memory sample by not creating an agent just to get a chat client.
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Co-authored-by: Ben Thomas <25218250+alliscode@users.noreply.github.com>
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Ben Thomas
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