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Eduard van Valkenburg
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* Add Microsoft.Agents.AI.Hyperlight package for CodeAct integration Introduces a new Microsoft.Agents.AI.Hyperlight package that enables CodeAct-style sandboxed code execution via Hyperlight (hyperlight-sandbox .NET SDK, PR #46) for .NET agents, following the docs/features/code_act/dotnet-implementation.md design and the Python agent_framework_hyperlight reference. Highlights: - HyperlightCodeActProvider (AIContextProvider): injects an execute_code tool and CodeAct guidance per invocation; single-instance-per-agent via a fixed StateKeys value; supports multiple provider-owned tools (exposed inside the sandbox via call_tool), file mounts, and an outbound domain allow-list; snapshot/restore per run. - HyperlightExecuteCodeFunction: standalone AIFunction for manual/static wiring when the sandbox configuration is fixed. - Approval model via CodeActApprovalMode (AlwaysRequire / NeverRequire) with propagation from ApprovalRequiredAIFunction-wrapped tools. - Unit tests (instruction builder, tool bridge, approval computation, provider CRUD, ProvideAIContextAsync snapshot isolation and approval wrapping). - Env-gated integration test (HYPERLIGHT_PYTHON_GUEST_PATH). - Three samples under samples/02-agents/AgentWithCodeAct (interpreter, tool-enabled, manual wiring). Build is not yet runnable: requires .NET SDK 10.0.200 and the not-yet-published HyperlightSandbox.Api 0.1.0-preview NuGet package. Package is marked IsPackable=false until the dependency is available. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * Address PR #5329 review feedback for Hyperlight CodeAct provider - A. Build-breakers: drop unused usings, override test TargetFrameworks off net472, drop redundant Microsoft.Extensions.AI.Abstractions PackageRef. - B. API: keep CRUD but rebuild sandbox when config fingerprint changes; add HyperlightCodeActProviderOptions.CreateForWasm/CreateForJavaScript factory methods (Backend/ModulePath now read-only); rename WorkspaceRoot to HostInputDirectory; convert AllowedDomain & FileMount from record to sealed class; drop ToolBridge.Unwrap (ApprovalRequiredAIFunction is invocable as-is). - C. ToolBridge: collapse SerializeResult switch; add comment explaining AOT-driven choice to keep JsonNode.Parse over typed Deserialize. - D. InstructionBuilder: drop language-specific 'Python code' phrasing; strip host filesystem paths from execute_code description. - E. Style polish: ternary expression-body for ComputeApprovalRequired, .Where(x is not null), .ToList() over .ToArray() in IReadOnlyList returns. - F. Samples: add guest-module / KVM-WHP build instructions to Step01; note future Excel-upload sample in Step02. Also adds SandboxExecutorTests covering the new RunSnapshot.ComputeFingerprint used for sandbox-rebuild detection. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * Align Hyperlight package id and JS warm-up with merged upstream SDK The .NET SDK in hyperlight-dev/hyperlight-sandbox PR #46 has merged. The published package id is Hyperlight.HyperlightSandbox.Api (the bare HyperlightSandbox.Api remains the assembly/namespace) and the reference CodeExecutionTool uses 'void 0;' as the JavaScript warm-up no-op. Update the package reference, project comment, README, and SandboxExecutor warm-up accordingly. No functional change beyond that — all other public APIs we depend on (SandboxBuilder.With*, Sandbox.Run/RegisterToolAsync/AllowDomain/Snapshot/ Restore, ExecutionResult, SandboxBackend) match the merged shape. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * Bump Hyperlight package to 0.4.0 and fix build/test issues Hyperlight.HyperlightSandbox.Api 0.4.0 is now published on nuget.org. Bump the version reference and address the analyzer/runtime issues that surfaced once restore could complete: - Add HyperlightJsonContext source-generated JsonSerializerContext for the execute_code result + tool error envelopes; route arbitrary AIFunction results through AIJsonUtilities.DefaultOptions to keep IsAotCompatible=true. - Replace explicit ObjectDisposedException throws with ObjectDisposedException.ThrowIf (CA1513). - Use HyperlightSandbox.Api.SandboxBackend in cref docs to disambiguate. - Update tests to match AIContext.Tools being IEnumerable<AITool>, drop ConfigureAwait(false) in xUnit test methods (xUnit1030), use collection expressions for AllowedDomain methods. - Add 'using OpenAI.Chat;' to all three samples so AsAIAgent resolves. - Verified: dotnet build of all four hyperlight projects + samples succeeds on net8/9/10; dotnet test for the unit tests passes 32/32 on net10.0. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * Fix CI check failures: file encoding (UTF-8 BOM + LF) and broken markdown link - Convert all new .cs/.csproj files to UTF-8 with BOM and LF line endings to satisfy the dotnet/.editorconfig charset/end_of_line settings enforced by check-format. - Drop unused System.Collections.Generic using in HyperlightCodeActProviderTests. - Add missing using Microsoft.Extensions.AI in CodeActApprovalMode.cs and shorten ApprovalRequiredAIFunction cref (IDE0001). - Fix broken README link to docs/decisions/0024-codeact-integration.md. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> * Address PR review: AIFunction inheritance, packaging, GetService approval check - HyperlightExecuteCodeFunction now inherits AIFunction directly. The AsAIFunction() indirection is gone; instances are accepted anywhere an AIFunction is. Approval requirement is surfaced via GetService<ApprovalRequiredAIFunction>() which lazily exposes a wrapping ApprovalRequiredAIFunction proxy when the effective ApprovalMode/tool stack requires it. - ComputeApprovalRequired now uses GetService<ApprovalRequiredAIFunction>() so approval-required tools nested anywhere in the AITool decorator stack are detected (not just the top-most class). - csproj: drop IsPackable=false (ready to release with the published Hyperlight.HyperlightSandbox.Api 0.4.0 dependency); add PackageReadmeFile and pack README.md at the package root, matching the pattern used by Aspire.Hosting.AgentFramework.DevUI / Microsoft.Agents.AI.DurableTask. - Update Step03 sample and README wording to reflect direct AIFunction usage. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> --------- Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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