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Merge pull request #75 from managedcode/codex/issue-23-communication-contracts
Adopt ManagedCode.Communication runtime contracts for issue #23
2 parents 3b90575 + 15c553d commit 3fdeb0e

15 files changed

+476
-45
lines changed

‎Directory.Packages.props‎

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<PackageVersion Include="NUnit" Version="4.5.1" />
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<PackageVersion Include="NUnit3TestAdapter" Version="6.1.0" />
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<PackageVersion Include="GitHubActionsTestLogger" Version="3.0.1" />
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<PackageVersion Include="ManagedCode.Communication" Version="10.0.1" />
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<PackageVersion Include="Newtonsoft.Json" Version="13.0.3" />
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<PackageVersion Include="Uno.UITest.Helpers" Version="1.1.0-dev.70" />
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<PackageVersion Include="Xamarin.UITest" Version="4.3.4" />

‎DotPilot.Core/AGENTS.md‎

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@@ -13,6 +13,7 @@ Stack: `.NET 10`, class library, feature-aligned contracts and provider-independ
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- `DotPilot.Core.csproj`
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- `Features/ApplicationShell/AppConfig.cs`
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- `Features/ControlPlaneDomain/*`
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- `Features/RuntimeCommunication/*`
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- `Features/RuntimeFoundation/*`
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## Boundaries

‎DotPilot.Core/DotPilot.Core.csproj‎

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<NoWarn>$(NoWarn);CS1591</NoWarn>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="ManagedCode.Communication" />
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</ItemGroup>
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</Project>

‎DotPilot.Core/Features/RuntimeCommunication/RuntimeCommunicationProblemCode.cs‎

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namespace DotPilot.Core.Features.RuntimeCommunication;
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public enum RuntimeCommunicationProblemCode
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{
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PromptRequired,
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ProviderUnavailable,
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ProviderAuthenticationRequired,
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ProviderMisconfigured,
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ProviderOutdated,
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RuntimeHostUnavailable,
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OrchestrationUnavailable,
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PolicyRejected,
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}

‎DotPilot.Core/Features/RuntimeCommunication/RuntimeCommunicationProblems.cs‎

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using System.Globalization;
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using System.Net;
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using DotPilot.Core.Features.ControlPlaneDomain;
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using ManagedCode.Communication;
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namespace DotPilot.Core.Features.RuntimeCommunication;
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public static class RuntimeCommunicationProblems
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{
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private const string PromptField = "Prompt";
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private const string PromptRequiredDetail = "Prompt is required before the runtime can execute a turn.";
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private const string ProviderUnavailableFormat = "{0} is unavailable in the current environment.";
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private const string ProviderAuthenticationRequiredFormat = "{0} requires authentication before the runtime can execute a turn.";
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private const string ProviderMisconfiguredFormat = "{0} is misconfigured and cannot execute a runtime turn.";
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private const string ProviderOutdatedFormat = "{0} is outdated and must be updated before the runtime can execute a turn.";
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private const string RuntimeHostUnavailableDetail = "The embedded runtime host is unavailable for the requested operation.";
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private const string OrchestrationUnavailableDetail = "The orchestration runtime is unavailable for the requested operation.";
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private const string PolicyRejectedFormat = "The requested action was rejected by policy: {0}.";
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public static Problem InvalidPrompt()
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{
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var problem = Problem.Create(
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RuntimeCommunicationProblemCode.PromptRequired,
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PromptRequiredDetail,
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(int)HttpStatusCode.BadRequest);
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problem.AddValidationError(PromptField, PromptRequiredDetail);
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return problem;
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}
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public static Problem ProviderUnavailable(ProviderConnectionStatus status, string providerDisplayName)
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{
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ArgumentException.ThrowIfNullOrWhiteSpace(providerDisplayName);
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return status switch
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{
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ProviderConnectionStatus.Available => throw new ArgumentOutOfRangeException(nameof(status), status, "Available status does not map to a problem."),
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ProviderConnectionStatus.Unavailable => CreateProblem(
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RuntimeCommunicationProblemCode.ProviderUnavailable,
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ProviderUnavailableFormat,
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providerDisplayName,
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HttpStatusCode.ServiceUnavailable),
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ProviderConnectionStatus.RequiresAuthentication => CreateProblem(
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RuntimeCommunicationProblemCode.ProviderAuthenticationRequired,
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ProviderAuthenticationRequiredFormat,
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providerDisplayName,
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HttpStatusCode.Unauthorized),
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ProviderConnectionStatus.Misconfigured => CreateProblem(
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RuntimeCommunicationProblemCode.ProviderMisconfigured,
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ProviderMisconfiguredFormat,
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providerDisplayName,
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HttpStatusCode.FailedDependency),
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ProviderConnectionStatus.Outdated => CreateProblem(
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RuntimeCommunicationProblemCode.ProviderOutdated,
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ProviderOutdatedFormat,
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providerDisplayName,
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HttpStatusCode.PreconditionFailed),
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_ => throw new ArgumentOutOfRangeException(nameof(status), status, "Unknown provider status."),
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};
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}
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public static Problem RuntimeHostUnavailable()
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{
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return Problem.Create(
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RuntimeCommunicationProblemCode.RuntimeHostUnavailable,
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RuntimeHostUnavailableDetail,
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(int)HttpStatusCode.ServiceUnavailable);
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}
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public static Problem OrchestrationUnavailable()
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{
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return Problem.Create(
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RuntimeCommunicationProblemCode.OrchestrationUnavailable,
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OrchestrationUnavailableDetail,
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(int)HttpStatusCode.ServiceUnavailable);
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}
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public static Problem PolicyRejected(string policyName)
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{
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ArgumentException.ThrowIfNullOrWhiteSpace(policyName);
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return CreateProblem(
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RuntimeCommunicationProblemCode.PolicyRejected,
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PolicyRejectedFormat,
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policyName,
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HttpStatusCode.Forbidden);
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}
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private static Problem CreateProblem(
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RuntimeCommunicationProblemCode code,
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string detailFormat,
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string value,
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HttpStatusCode statusCode)
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{
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return Problem.Create(
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code,
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string.Format(CultureInfo.InvariantCulture, detailFormat, value),
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(int)statusCode);
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}
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}

‎DotPilot.Core/Features/RuntimeFoundation/IAgentRuntimeClient.cs‎

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using ManagedCode.Communication;
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namespace DotPilot.Core.Features.RuntimeFoundation;
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public interface IAgentRuntimeClient
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{
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ValueTask<AgentTurnResult> ExecuteAsync(AgentTurnRequest request, CancellationToken cancellationToken);
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ValueTask<Result<AgentTurnResult>> ExecuteAsync(AgentTurnRequest request, CancellationToken cancellationToken);
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}

‎DotPilot.Core/Features/RuntimeFoundation/RuntimeFoundationContracts.cs‎

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@@ -21,7 +21,8 @@ public sealed record AgentTurnRequest(
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SessionId SessionId,
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AgentProfileId AgentProfileId,
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string Prompt,
24-
AgentExecutionMode Mode);
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AgentExecutionMode Mode,
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ProviderConnectionStatus ProviderStatus = ProviderConnectionStatus.Available);
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public sealed record AgentTurnResult(
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string Summary,

‎DotPilot.Runtime/Features/RuntimeFoundation/DeterministicAgentRuntimeClient.cs‎

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1-
using System.Diagnostics;
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using DotPilot.Core.Features.ControlPlaneDomain;
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using DotPilot.Core.Features.RuntimeCommunication;
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using DotPilot.Core.Features.RuntimeFoundation;
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using ManagedCode.Communication;
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namespace DotPilot.Runtime.Features.RuntimeFoundation;
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78
public sealed class DeterministicAgentRuntimeClient : IAgentRuntimeClient
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{
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private const string ApprovalKeyword = "approval";
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private const string DeterministicProviderDisplayName = "Deterministic Runtime Client";
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private const string PlanSummary =
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"Planned the runtime foundation flow with contracts first, then communication, host lifecycle, and orchestration.";
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private const string ExecuteSummary =
@@ -19,34 +21,50 @@ public sealed class DeterministicAgentRuntimeClient : IAgentRuntimeClient
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private const string ExecuteArtifact = "runtime-foundation.snapshot.json";
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private const string ReviewArtifact = "runtime-foundation.review.md";
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22-
public ValueTask<AgentTurnResult> ExecuteAsync(AgentTurnRequest request, CancellationToken cancellationToken)
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public ValueTask<Result<AgentTurnResult>> ExecuteAsync(AgentTurnRequest request, CancellationToken cancellationToken)
2325
{
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ArgumentException.ThrowIfNullOrWhiteSpace(request.Prompt);
2526
cancellationToken.ThrowIfCancellationRequested();
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if (string.IsNullOrWhiteSpace(request.Prompt))
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{
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return ValueTask.FromResult(Result<AgentTurnResult>.Fail(RuntimeCommunicationProblems.InvalidPrompt()));
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}
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32+
if (request.ProviderStatus is not ProviderConnectionStatus.Available)
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{
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return ValueTask.FromResult(
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Result<AgentTurnResult>.Fail(
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RuntimeCommunicationProblems.ProviderUnavailable(
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request.ProviderStatus,
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DeterministicProviderDisplayName)));
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}
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2741
return ValueTask.FromResult(request.Mode switch
2842
{
29-
AgentExecutionMode.Plan => new AgentTurnResult(
30-
PlanSummary,
31-
SessionPhase.Plan,
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ApprovalState.NotRequired,
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[CreateArtifact(request.SessionId, PlanArtifact, ArtifactKind.Plan)]),
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AgentExecutionMode.Execute when RequiresApproval(request.Prompt) => new AgentTurnResult(
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PendingApprovalSummary,
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SessionPhase.Paused,
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ApprovalState.Pending,
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[CreateArtifact(request.SessionId, ExecuteArtifact, ArtifactKind.Snapshot)]),
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AgentExecutionMode.Execute => new AgentTurnResult(
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ExecuteSummary,
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SessionPhase.Execute,
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ApprovalState.NotRequired,
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[CreateArtifact(request.SessionId, ExecuteArtifact, ArtifactKind.Snapshot)]),
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AgentExecutionMode.Review => new AgentTurnResult(
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ReviewSummary,
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SessionPhase.Review,
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ApprovalState.Approved,
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[CreateArtifact(request.SessionId, ReviewArtifact, ArtifactKind.Report)]),
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_ => throw new UnreachableException(),
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AgentExecutionMode.Plan => Result<AgentTurnResult>.Succeed(
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new AgentTurnResult(
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PlanSummary,
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SessionPhase.Plan,
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ApprovalState.NotRequired,
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[CreateArtifact(request.SessionId, PlanArtifact, ArtifactKind.Plan)])),
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AgentExecutionMode.Execute when RequiresApproval(request.Prompt) => Result<AgentTurnResult>.Succeed(
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new AgentTurnResult(
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PendingApprovalSummary,
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SessionPhase.Paused,
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ApprovalState.Pending,
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[CreateArtifact(request.SessionId, ExecuteArtifact, ArtifactKind.Snapshot)])),
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AgentExecutionMode.Execute => Result<AgentTurnResult>.Succeed(
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new AgentTurnResult(
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ExecuteSummary,
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SessionPhase.Execute,
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ApprovalState.NotRequired,
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[CreateArtifact(request.SessionId, ExecuteArtifact, ArtifactKind.Snapshot)])),
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AgentExecutionMode.Review => Result<AgentTurnResult>.Succeed(
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new AgentTurnResult(
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ReviewSummary,
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SessionPhase.Review,
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ApprovalState.Approved,
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[CreateArtifact(request.SessionId, ReviewArtifact, ArtifactKind.Report)])),
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_ => Result<AgentTurnResult>.Fail(RuntimeCommunicationProblems.OrchestrationUnavailable()),
5068
});
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}
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‎DotPilot.Tests/GlobalUsings.cs‎

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global using DotPilot.Core.Features.ApplicationShell;
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global using DotPilot.Core.Features.ControlPlaneDomain;
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global using DotPilot.Core.Features.RuntimeCommunication;
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global using DotPilot.Core.Features.RuntimeFoundation;
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global using DotPilot.Runtime.Features.RuntimeFoundation;
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global using FluentAssertions;

‎DotPilot.Tests/RuntimeCommunicationProblemsTests.cs‎

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namespace DotPilot.Tests;
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public class RuntimeCommunicationProblemsTests
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{
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[TestCase(ProviderConnectionStatus.Unavailable, RuntimeCommunicationProblemCode.ProviderUnavailable, System.Net.HttpStatusCode.ServiceUnavailable)]
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[TestCase(ProviderConnectionStatus.RequiresAuthentication, RuntimeCommunicationProblemCode.ProviderAuthenticationRequired, System.Net.HttpStatusCode.Unauthorized)]
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[TestCase(ProviderConnectionStatus.Misconfigured, RuntimeCommunicationProblemCode.ProviderMisconfigured, System.Net.HttpStatusCode.FailedDependency)]
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[TestCase(ProviderConnectionStatus.Outdated, RuntimeCommunicationProblemCode.ProviderOutdated, System.Net.HttpStatusCode.PreconditionFailed)]
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public void ProviderUnavailableMapsStatusesToExplicitProblemCodes(
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ProviderConnectionStatus status,
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RuntimeCommunicationProblemCode expectedCode,
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System.Net.HttpStatusCode expectedStatusCode)
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{
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var problem = RuntimeCommunicationProblems.ProviderUnavailable(status, "Codex");
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problem.HasErrorCode(expectedCode).Should().BeTrue();
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problem.StatusCode.Should().Be((int)expectedStatusCode);
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problem.Detail.Should().Contain("Codex");
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}
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[Test]
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public void ProviderUnavailableRejectsAvailableStatus()
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{
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var action = () => RuntimeCommunicationProblems.ProviderUnavailable(ProviderConnectionStatus.Available, "Codex");
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action.Should().Throw<ArgumentOutOfRangeException>();
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}
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[Test]
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public void ProviderUnavailableRejectsBlankProviderNames()
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{
32+
var action = () => RuntimeCommunicationProblems.ProviderUnavailable(ProviderConnectionStatus.Unavailable, " ");
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action.Should().Throw<ArgumentException>();
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}
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[Test]
38+
public void InvalidPromptCreatesValidationProblem()
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{
40+
var problem = RuntimeCommunicationProblems.InvalidPrompt();
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42+
problem.HasErrorCode(RuntimeCommunicationProblemCode.PromptRequired).Should().BeTrue();
43+
problem.StatusCode.Should().Be((int)System.Net.HttpStatusCode.BadRequest);
44+
problem.InvalidField("Prompt").Should().BeTrue();
45+
}
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[Test]
48+
public void RuntimeHostUnavailableCreatesServiceUnavailableProblem()
49+
{
50+
var problem = RuntimeCommunicationProblems.RuntimeHostUnavailable();
51+
52+
problem.HasErrorCode(RuntimeCommunicationProblemCode.RuntimeHostUnavailable).Should().BeTrue();
53+
problem.StatusCode.Should().Be((int)System.Net.HttpStatusCode.ServiceUnavailable);
54+
}
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56+
[Test]
57+
public void OrchestrationUnavailableCreatesServiceUnavailableProblem()
58+
{
59+
var problem = RuntimeCommunicationProblems.OrchestrationUnavailable();
60+
61+
problem.HasErrorCode(RuntimeCommunicationProblemCode.OrchestrationUnavailable).Should().BeTrue();
62+
problem.StatusCode.Should().Be((int)System.Net.HttpStatusCode.ServiceUnavailable);
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}
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[Test]
66+
public void PolicyRejectedCreatesForbiddenProblem()
67+
{
68+
var problem = RuntimeCommunicationProblems.PolicyRejected("file-write policy");
69+
70+
problem.HasErrorCode(RuntimeCommunicationProblemCode.PolicyRejected).Should().BeTrue();
71+
problem.StatusCode.Should().Be((int)System.Net.HttpStatusCode.Forbidden);
72+
problem.Detail.Should().Contain("file-write policy");
73+
}
74+
75+
[Test]
76+
public void PolicyRejectedRejectsBlankPolicyNames()
77+
{
78+
var action = () => RuntimeCommunicationProblems.PolicyRejected(" ");
79+
80+
action.Should().Throw<ArgumentException>();
81+
}
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}

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