feat: 拆分 CLI 与网页宿主,并在无有效城市时暂停等人确认

将原单体 MAF1 拆成 MAF1(控制台工作流)和 MAF1.Web(可视化编排)。
抽城市失败时暂停:网页弹确认、CLI 控制台询问,超时采用默认结束查询;
也可改填城市后继续。共享决策模型放在 MAF1.Core。
This commit is contained in:
2026-08-28 10:43:57 +08:00
parent 5544788917
commit a3cca78592
42 changed files with 1427 additions and 457 deletions
+1 -1
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@@ -9,7 +9,7 @@ public sealed class AgentStepResult
public Dictionary<string, object?> Outputs { get; init; } = new(StringComparer.OrdinalIgnoreCase); public Dictionary<string, object?> Outputs { get; init; } = new(StringComparer.OrdinalIgnoreCase);
} }
internal static class AgentInputs public static class AgentInputs
{ {
public static string? ReadString(IReadOnlyDictionary<string, object?> inputs, string key) public static string? ReadString(IReadOnlyDictionary<string, object?> inputs, string key)
{ {
+97
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@@ -0,0 +1,97 @@
using MAF1.Agents;
namespace MAF1.Decisions;
public sealed class DecisionRequest
{
public string Id { get; set; } = "";
public string NodeId { get; set; } = "";
public string Prompt { get; set; } = "";
public string? Reason { get; set; }
public List<DecisionOption> Options { get; set; } = [];
public string DefaultOptionId { get; set; } = "";
public int TimeoutSeconds { get; set; }
public DateTimeOffset Deadline { get; set; }
}
public sealed class DecisionOption
{
public string Id { get; set; } = "";
public string Label { get; set; } = "";
public string? Description { get; set; }
public bool RequiresText { get; set; }
public string? TextPlaceholder { get; set; }
public bool IsDefault { get; set; }
}
public sealed class DecisionAnswer
{
public string OptionId { get; set; } = "";
public string? Text { get; set; }
public bool TimedOut { get; set; }
}
public static class DecisionOptionIds
{
public const string Stop = "stop";
public const string QueryCities = "query-cities";
}
public static class EmptyCityDecision
{
public static DecisionRequest Create(string nodeId, string? reason, int timeoutSeconds)
{
int seconds = Math.Clamp(timeoutSeconds, 1, 600);
return new DecisionRequest
{
Id = Guid.NewGuid().ToString("n")[..12],
NodeId = nodeId,
Reason = reason,
Prompt = "没有读到有效城市。默认结束后续查询;也可以改填其它城市后继续。超时将自动采用默认方案。",
DefaultOptionId = DecisionOptionIds.Stop,
TimeoutSeconds = seconds,
Deadline = DateTimeOffset.UtcNow.AddSeconds(seconds),
Options =
[
new DecisionOption
{
Id = DecisionOptionIds.Stop,
Label = "结束查询(默认)",
Description = "保持当前结果,跳过需要城市的后续节点。",
IsDefault = true,
},
new DecisionOption
{
Id = DecisionOptionIds.QueryCities,
Label = "改查其它城市",
Description = "手动输入城市名,下游天气节点会按这份名单继续。",
RequiresText = true,
TextPlaceholder = "例如:成都、北京",
},
],
};
}
public static bool TryContinueWithCities(DecisionAnswer answer, out List<string> cities)
{
cities = [];
if (answer.TimedOut)
{
return false;
}
bool queryCities = answer.OptionId.Equals(DecisionOptionIds.QueryCities, StringComparison.OrdinalIgnoreCase);
if (!queryCities)
{
return false;
}
cities = ParseCities(answer.Text);
return cities.Count > 0;
}
public static List<string> ParseCities(string? text)
=> AgentInputs.ReadStringList(
new Dictionary<string, object?>(StringComparer.OrdinalIgnoreCase) { ["cities"] = text },
"cities");
}
+7 -27
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@@ -1,38 +1,18 @@
<Project Sdk="Microsoft.NET.Sdk.Web"> <Project Sdk="Microsoft.NET.Sdk.Web">
<PropertyGroup> <PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net10.0</TargetFramework> <TargetFramework>net10.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings> <ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable> <Nullable>enable</Nullable>
<ApplicationManifest>app.manifest</ApplicationManifest> <RootNamespace>MAF1</RootNamespace>
</PropertyGroup> </PropertyGroup>
<ItemGroup> <ItemGroup>
<Compile Remove="plugins\file-city\**" /> <ProjectReference Include="..\MAF1.Core\MAF1.Core.csproj" />
<Compile Remove="plugins\weather\**" /> <ProjectReference Include="..\plugins\file-city\FileCityPlugin.csproj">
<Compile Remove="MAF1.Core\**" />
<Content Remove="plugins\file-city\**" />
<Content Remove="plugins\weather\**" />
<Content Remove="MAF1.Core\**" />
<EmbeddedResource Remove="plugins\file-city\**" />
<EmbeddedResource Remove="plugins\weather\**" />
<EmbeddedResource Remove="MAF1.Core\**" />
<None Remove="plugins\file-city\**" />
<None Remove="plugins\weather\**" />
<None Remove="MAF1.Core\**" />
</ItemGroup>
<ItemGroup>
<PackageReference Include="Microsoft.Agents.AI.Workflows" Version="1.19.0" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="MAF1.Core\MAF1.Core.csproj" />
<ProjectReference Include="plugins\file-city\FileCityPlugin.csproj">
<ReferenceOutputAssembly>false</ReferenceOutputAssembly> <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
</ProjectReference> </ProjectReference>
<ProjectReference Include="plugins\weather\WeatherPlugin.csproj"> <ProjectReference Include="..\plugins\weather\WeatherPlugin.csproj">
<ReferenceOutputAssembly>false</ReferenceOutputAssembly> <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
</ProjectReference> </ProjectReference>
</ItemGroup> </ItemGroup>
@@ -48,8 +28,8 @@
<Target Name="PublishPluginFolders" AfterTargets="Build"> <Target Name="PublishPluginFolders" AfterTargets="Build">
<PropertyGroup> <PropertyGroup>
<_FileCityOut>$(MSBuildThisFileDirectory)plugins\file-city\bin\$(Configuration)\net10.0</_FileCityOut> <_FileCityOut>$(MSBuildThisFileDirectory)..\plugins\file-city\bin\$(Configuration)\net10.0</_FileCityOut>
<_WeatherOut>$(MSBuildThisFileDirectory)plugins\weather\bin\$(Configuration)\net10.0</_WeatherOut> <_WeatherOut>$(MSBuildThisFileDirectory)..\plugins\weather\bin\$(Configuration)\net10.0</_WeatherOut>
</PropertyGroup> </PropertyGroup>
<ItemGroup> <ItemGroup>
<_FileCityFiles Include="$(_FileCityOut)\**\*" /> <_FileCityFiles Include="$(_FileCityOut)\**\*" />
+10 -7
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@@ -1,15 +1,9 @@
using MAF1; using MAF1.Decisions;
using MAF1.Utils; using MAF1.Utils;
using MAF1.Web; using MAF1.Web;
WindowsConsole.EnableUtf8(); WindowsConsole.EnableUtf8();
if (args.Length > 0 && args[0] is "node" or "edge" or "--cli" or "-h" or "--help")
{
await CliHost.RunAsync(args);
return;
}
WebApplicationBuilder builder = WebApplication.CreateBuilder(args); WebApplicationBuilder builder = WebApplication.CreateBuilder(args);
builder.WebHost.UseUrls("http://127.0.0.1:5288"); builder.WebHost.UseUrls("http://127.0.0.1:5288");
builder.Services.ConfigureHttpJsonOptions(options => builder.Services.ConfigureHttpJsonOptions(options =>
@@ -42,6 +36,15 @@ app.MapGet("/api/status", (AgentRuntime runtime) => new
}); });
app.MapPost("/api/run", (WorkflowGraph graph, AgentRuntime runtime, CancellationToken cancellationToken) app.MapPost("/api/run", (WorkflowGraph graph, AgentRuntime runtime, CancellationToken cancellationToken)
=> runtime.Runner.RunAsync(graph, cancellationToken)); => runtime.Runner.RunAsync(graph, cancellationToken));
app.MapGet("/api/run/{runId}", (string runId, AgentRuntime runtime) =>
{
WorkflowRunResult? result = runtime.Runner.Get(runId);
return result is null
? Results.NotFound(new WorkflowRunResult { Ok = false, Status = WorkflowRunStatus.Failed, Error = "找不到这次运行。" })
: Results.Ok(result);
});
app.MapPost("/api/run/{runId}/decide", (string runId, DecisionAnswer answer, AgentRuntime runtime, CancellationToken cancellationToken)
=> runtime.Runner.DecideAsync(runId, answer, cancellationToken));
Console.WriteLine("可视化编排: http://127.0.0.1:5288"); Console.WriteLine("可视化编排: http://127.0.0.1:5288");
app.Run(); app.Run();
+14
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@@ -0,0 +1,14 @@
{
"profiles": {
"designer": {
"commandName": "Project",
"applicationUrl": "http://127.0.0.1:5288",
"environmentVariables": {
"ASPNETCORE_URLS": "http://127.0.0.1:5288",
"OPENAI_ENDPOINT": "https://api.deepseek.com",
"OPENAI_API_KEY": "sk-b31330cf3a414d86ab614b9dfb3650c3",
"OPENAI_CHAT_MODEL": "deepseek-v4-flash"
}
}
}
}
@@ -23,7 +23,9 @@ public sealed class AgentRuntime
Scanner = new PluginScanner(pluginOptions); Scanner = new PluginScanner(pluginOptions);
Catalog = new NodeCatalogService(Scanner); Catalog = new NodeCatalogService(Scanner);
PluginRunner = new PluginProcessRunner(pluginOptions, Credentials); PluginRunner = new PluginProcessRunner(pluginOptions, Credentials);
Runner = new ConfigurableWorkflowRunner(FileCity, Weather, Catalog, PluginRunner); RunStore = new WorkflowRunStore();
DecisionTimeoutSeconds = Math.Clamp(config.GetValue("Workflow:DecisionTimeoutSeconds", 30), 1, 600);
Runner = new ConfigurableWorkflowRunner(FileCity, Weather, Catalog, PluginRunner, RunStore, DecisionTimeoutSeconds);
WeatherProvider = weatherOptions.Provider; WeatherProvider = weatherOptions.Provider;
PluginsRoot = pluginOptions.ResolveRoot(); PluginsRoot = pluginOptions.ResolveRoot();
} }
@@ -31,6 +33,8 @@ public sealed class AgentRuntime
public AIAgent FileCity { get; } public AIAgent FileCity { get; }
public AIAgent Weather { get; } public AIAgent Weather { get; }
public ConfigurableWorkflowRunner Runner { get; } public ConfigurableWorkflowRunner Runner { get; }
public WorkflowRunStore RunStore { get; }
public int DecisionTimeoutSeconds { get; }
public NodeCatalogService Catalog { get; } public NodeCatalogService Catalog { get; }
public PluginScanner Scanner { get; } public PluginScanner Scanner { get; }
public PluginProcessRunner PluginRunner { get; } public PluginProcessRunner PluginRunner { get; }
+582
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@@ -0,0 +1,582 @@
using System.Text.Json;
using MAF1.Agents;
using MAF1.Agents.FileCity;
using MAF1.Agents.Weather;
using MAF1.Decisions;
using MAF1.PluginContract;
using MAF1.Plugins;
using Microsoft.Agents.AI;
namespace MAF1.Web;
public sealed class ConfigurableWorkflowRunner(
AIAgent fileCityAgent,
AIAgent weatherAgent,
NodeCatalogService catalog,
PluginProcessRunner plugins,
WorkflowRunStore runs,
int decisionTimeoutSeconds)
{
private static readonly HashSet<string> ReservedConfigKeys = new(StringComparer.OrdinalIgnoreCase)
{
"credentialId",
"askOnEmptyCities",
"decisionTimeoutSeconds",
};
public async Task<WorkflowRunResult> RunAsync(WorkflowGraph graph, CancellationToken cancellationToken)
{
try
{
Validate(graph);
NodeCatalogSnapshot snapshot = catalog.Load();
List<string> order = TopologicalOrder(graph);
WorkflowSession session = new()
{
RunId = Guid.NewGuid().ToString("n")[..12],
Graph = graph,
Catalog = snapshot,
Order = order,
Outputs = new Dictionary<string, Dictionary<string, object?>>(StringComparer.OrdinalIgnoreCase),
Steps = [],
NextIndex = 0,
};
runs.TryAdd(session);
return await ContinueAsync(session, cancellationToken);
}
catch (Exception ex)
{
return Fail(ex.Message);
}
}
public WorkflowRunResult? Get(string runId) => runs.GetResult(runId);
public async Task<WorkflowRunResult> DecideAsync(string runId, DecisionAnswer answer, CancellationToken cancellationToken)
{
if (!runs.TryGet(runId, out WorkflowSession? session) || session is null)
{
return Fail("找不到这次运行,可能已经结束或服务已重启。");
}
return await ResolveAsync(session, answer, cancellationToken, session.Pending?.Id);
}
private async Task<WorkflowRunResult> ContinueAsync(WorkflowSession session, CancellationToken cancellationToken)
{
try
{
for (int i = session.NextIndex; i < session.Order.Count; i++)
{
string nodeId = session.Order[i];
WorkflowNode node = session.Graph.Nodes.First(n => n.Id == nodeId);
Dictionary<string, object?> inputs = ResolveInputs(session.Graph, node, session.Outputs);
if (!PassEdgeConditions(session.Graph, node, session.Outputs, out string? skipReason))
{
session.Steps.Add(new NodeRunLog
{
NodeId = node.Id,
Type = node.Type,
Title = node.Title,
Skipped = true,
Message = skipReason,
Inputs = inputs,
});
continue;
}
NodeRunLog log = await RunNodeAsync(session.Catalog, node, inputs, cancellationToken);
session.Steps.Add(log);
session.Outputs[node.Id] = log.Outputs;
session.NextIndex = i + 1;
if (ShouldAskEmptyCities(node, log) && i + 1 < session.Order.Count)
{
return PauseForEmptyCities(session, node, log);
}
}
return Complete(session);
}
catch (Exception ex)
{
WorkflowRunResult failed = Fail(ex.Message, session.RunId, session.Steps);
session.Completed = true;
session.LastResult = failed;
return failed;
}
}
private WorkflowRunResult PauseForEmptyCities(WorkflowSession session, WorkflowNode node, NodeRunLog log)
{
string? reason = ReadString(log.Outputs, "reason");
int timeout = decisionTimeoutSeconds;
if (node.Config.TryGetValue("decisionTimeoutSeconds", out string? configured)
&& int.TryParse(configured, out int parsed)
&& parsed > 0)
{
timeout = parsed;
}
DecisionRequest decision = EmptyCityDecision.Create(node.Id, reason, timeout);
session.Pending = decision;
session.TimeoutCts.Cancel();
session.TimeoutCts.Dispose();
session.TimeoutCts = new CancellationTokenSource();
session.LastResult = new WorkflowRunResult
{
Ok = true,
Status = WorkflowRunStatus.NeedsDecision,
RunId = session.RunId,
Decision = decision,
AppliedDecision = session.AppliedDecision,
Steps = session.Steps,
};
StartTimeout(session);
return session.LastResult;
}
private void StartTimeout(WorkflowSession session)
{
DecisionRequest? decision = session.Pending;
if (decision is null)
{
return;
}
CancellationToken token = session.TimeoutCts.Token;
_ = Task.Run(async () =>
{
try
{
await Task.Delay(TimeSpan.FromSeconds(decision.TimeoutSeconds), token);
await ResolveAsync(
session,
new DecisionAnswer { OptionId = decision.DefaultOptionId, TimedOut = true },
CancellationToken.None,
decision.Id);
}
catch (OperationCanceledException)
{
}
catch (Exception ex)
{
session.Completed = true;
session.LastResult = Fail($"默认方案自动确认失败:{ex.Message}", session.RunId, session.Steps);
}
});
}
private async Task<WorkflowRunResult> ResolveAsync(
WorkflowSession session,
DecisionAnswer answer,
CancellationToken cancellationToken,
string? expectedDecisionId)
{
await session.Mutex.WaitAsync(cancellationToken);
try
{
if (session.Completed)
{
return session.LastResult;
}
if (session.Pending is null
|| (!string.IsNullOrEmpty(expectedDecisionId)
&& !session.Pending.Id.Equals(expectedDecisionId, StringComparison.OrdinalIgnoreCase)))
{
return session.LastResult;
}
if (!answer.TimedOut)
{
WorkflowRunResult? invalid = ValidateAnswer(session, answer);
if (invalid is not null)
{
return invalid;
}
}
session.TimeoutCts.Cancel();
ApplyAnswer(session, answer);
session.Pending = null;
return await ContinueAsync(session, cancellationToken);
}
catch (Exception ex)
{
return Fail(ex.Message, session.RunId, session.Steps);
}
finally
{
session.Mutex.Release();
}
}
private static WorkflowRunResult? ValidateAnswer(WorkflowSession session, DecisionAnswer answer)
{
DecisionRequest decision = session.Pending!;
DecisionOption? option = decision.Options.FirstOrDefault(
item => item.Id.Equals(answer.OptionId, StringComparison.OrdinalIgnoreCase));
if (option is null)
{
return InvalidDecision(session, "请选择一个列出的方案。");
}
if (option.RequiresText && EmptyCityDecision.ParseCities(answer.Text).Count == 0)
{
return InvalidDecision(session, "这个方案需要输入城市名,例如:成都、北京。");
}
return null;
}
private static WorkflowRunResult InvalidDecision(WorkflowSession session, string error)
=> new()
{
Ok = false,
Status = WorkflowRunStatus.NeedsDecision,
RunId = session.RunId,
Error = error,
Decision = session.Pending,
AppliedDecision = session.AppliedDecision,
Steps = session.Steps,
};
private static void ApplyAnswer(WorkflowSession session, DecisionAnswer answer)
{
DecisionRequest decision = session.Pending
?? throw new InvalidOperationException("没有待确认的方案。");
string optionId = string.IsNullOrWhiteSpace(answer.OptionId)
? decision.DefaultOptionId
: answer.OptionId;
if (answer.TimedOut)
{
optionId = decision.DefaultOptionId;
}
DecisionOption option = decision.Options.First(
item => item.Id.Equals(optionId, StringComparison.OrdinalIgnoreCase));
DecisionAnswer applied = new()
{
OptionId = option.Id,
Text = answer.Text,
TimedOut = answer.TimedOut,
};
session.AppliedDecision = applied;
NodeRunLog? step = session.Steps.LastOrDefault(item => item.NodeId == decision.NodeId);
if (option.Id == DecisionOptionIds.QueryCities)
{
List<string> cities = EmptyCityDecision.ParseCities(answer.Text);
if (!session.Outputs.TryGetValue(decision.NodeId, out Dictionary<string, object?>? outputs))
{
outputs = new Dictionary<string, object?>(StringComparer.OrdinalIgnoreCase);
session.Outputs[decision.NodeId] = outputs;
}
outputs["hasValidCities"] = true;
outputs["cities"] = cities;
outputs["reason"] = $"用户指定城市:{string.Join("", cities)}";
if (step is not null)
{
step.Outputs = outputs;
step.Message = Append(step.Message, $"用户确认:改查 {string.Join("", cities)}。");
}
}
else if (step is not null)
{
string how = answer.TimedOut ? "超时,自动采用默认方案" : "用户确认默认方案";
step.Message = Append(step.Message, $"{how}:结束后续查询。");
}
}
private static string Append(string? message, string extra)
=> string.IsNullOrWhiteSpace(message) ? extra : $"{message}\n{extra}";
private static WorkflowRunResult Complete(WorkflowSession session)
{
WorkflowRunResult result = new()
{
Ok = true,
Status = WorkflowRunStatus.Completed,
RunId = session.RunId,
AppliedDecision = session.AppliedDecision,
Steps = session.Steps,
};
session.Completed = true;
session.Pending = null;
session.LastResult = result;
return result;
}
private static WorkflowRunResult Fail(string error, string? runId = null, List<NodeRunLog>? steps = null)
=> new()
{
Ok = false,
Status = WorkflowRunStatus.Failed,
RunId = runId,
Error = error,
Steps = steps ?? [],
};
private static bool ShouldAskEmptyCities(WorkflowNode node, NodeRunLog log)
{
if (log.Skipped)
{
return false;
}
if (node.Config.TryGetValue("askOnEmptyCities", out string? flag)
&& flag.Equals("false", StringComparison.OrdinalIgnoreCase))
{
return false;
}
if (!log.Outputs.ContainsKey("hasValidCities"))
{
return false;
}
return !ReadBool(log.Outputs, "hasValidCities");
}
private async Task<NodeRunLog> RunNodeAsync(
NodeCatalogSnapshot snapshot,
WorkflowNode node,
Dictionary<string, object?> inputs,
CancellationToken cancellationToken)
{
LoadedPlugin? plugin = snapshot.LoadedPlugins
.FirstOrDefault(p => p.Manifest.Id.Equals(node.Type, StringComparison.OrdinalIgnoreCase));
if (plugin is not null)
{
return await RunPluginAsync(plugin, node, inputs, cancellationToken);
}
AgentTypeInfo? system = AgentCatalog.FindSystem(node.Type)
?? snapshot.System.FirstOrDefault(item => item.Type.Equals(node.Type, StringComparison.OrdinalIgnoreCase));
if (system is not null)
{
AgentStepResult step = system.Handler switch
{
SystemHandler.FileCity => await FileCityAgent.RunAsync(fileCityAgent, inputs, cancellationToken),
SystemHandler.Weather => await WeatherAgent.RunAsync(weatherAgent, inputs, cancellationToken),
_ => throw new InvalidOperationException(
$"系统节点 `{system.Type}` 在 AgentCatalog 里没有绑定实现。请给它设置 Handler。"),
};
return ToLog(node, step);
}
throw new InvalidOperationException(
$"未找到节点类型 `{node.Type}`。系统节点来自 AgentCatalog,插件节点来自 plugins 目录,请点「刷新节点」。");
}
private async Task<NodeRunLog> RunPluginAsync(
LoadedPlugin plugin,
WorkflowNode node,
Dictionary<string, object?> inputs,
CancellationToken cancellationToken)
{
Dictionary<string, object?> declared = FilterDeclaredInputs(plugin.Manifest, inputs);
node.Config.TryGetValue("credentialId", out string? credentialId);
Dictionary<string, object?> outputs = await plugins.RunAsync(plugin, declared, credentialId, cancellationToken);
string? stderr = null;
if (outputs.Remove("_stderr", out object? stderrValue))
{
stderr = stderrValue?.ToString();
}
return new NodeRunLog
{
NodeId = node.Id,
Type = node.Type,
Title = node.Title,
Message = stderr,
Inputs = declared,
Outputs = outputs,
};
}
private static NodeRunLog ToLog(WorkflowNode node, AgentStepResult step)
=> new()
{
NodeId = node.Id,
Type = node.Type,
Title = node.Title,
Message = step.Message,
Inputs = step.Inputs,
Outputs = step.Outputs,
};
private static Dictionary<string, object?> FilterDeclaredInputs(PluginManifest manifest, Dictionary<string, object?> inputs)
{
Dictionary<string, object?> declared = new(StringComparer.OrdinalIgnoreCase);
foreach (PluginPort port in manifest.Inputs)
{
if (inputs.TryGetValue(port.Name, out object? value))
{
declared[port.Name] = value;
}
}
return declared;
}
private static void Validate(WorkflowGraph graph)
{
if (graph.Nodes.Count == 0)
{
throw new InvalidOperationException("画布上还没有节点。");
}
HashSet<string> ids = graph.Nodes.Select(n => n.Id).ToHashSet();
foreach (WorkflowEdge edge in graph.Edges)
{
if (!ids.Contains(edge.From) || !ids.Contains(edge.To))
{
throw new InvalidOperationException("存在指向已删除节点的连线。");
}
}
}
private static List<string> TopologicalOrder(WorkflowGraph graph)
{
Dictionary<string, int> indegree = graph.Nodes.ToDictionary(n => n.Id, _ => 0);
Dictionary<string, List<string>> outgoing = graph.Nodes.ToDictionary(n => n.Id, _ => new List<string>());
foreach (WorkflowEdge edge in graph.Edges)
{
indegree[edge.To]++;
outgoing[edge.From].Add(edge.To);
}
Queue<string> ready = new(indegree.Where(kv => kv.Value == 0).Select(kv => kv.Key));
List<string> order = [];
while (ready.Count > 0)
{
string id = ready.Dequeue();
order.Add(id);
foreach (string next in outgoing[id].Distinct())
{
indegree[next]--;
if (indegree[next] == 0)
{
ready.Enqueue(next);
}
}
}
if (order.Count != graph.Nodes.Count)
{
throw new InvalidOperationException("工作流存在环,无法运行。");
}
return order;
}
private static Dictionary<string, object?> ResolveInputs(
WorkflowGraph graph,
WorkflowNode node,
Dictionary<string, Dictionary<string, object?>> outputs)
{
Dictionary<string, object?> inputs = new(StringComparer.OrdinalIgnoreCase);
foreach (KeyValuePair<string, string> item in node.Config)
{
if (ReservedConfigKeys.Contains(item.Key) || string.IsNullOrWhiteSpace(item.Value))
{
continue;
}
inputs[item.Key] = item.Value;
}
foreach (WorkflowEdge edge in graph.Edges.Where(e => e.To == node.Id))
{
if (!outputs.TryGetValue(edge.From, out Dictionary<string, object?>? source))
{
continue;
}
if (source.TryGetValue(edge.FromPort, out object? value))
{
inputs[edge.ToPort] = value;
}
}
return inputs;
}
private static bool PassEdgeConditions(
WorkflowGraph graph,
WorkflowNode node,
Dictionary<string, Dictionary<string, object?>> outputs,
out string? skipReason)
{
List<WorkflowEdge> incoming = graph.Edges.Where(e => e.To == node.Id).ToList();
if (incoming.Count == 0)
{
skipReason = null;
return true;
}
foreach (WorkflowEdge edge in incoming)
{
if (string.IsNullOrWhiteSpace(edge.When))
{
continue;
}
if (!outputs.TryGetValue(edge.From, out Dictionary<string, object?>? source))
{
skipReason = $"上一节点 {edge.From} 尚未产出结果。";
return false;
}
bool hasCities = ReadBool(source, "hasValidCities");
bool pass = edge.When switch
{
"hasValidCities" => hasCities,
"!hasValidCities" => !hasCities,
_ => true,
};
if (!pass)
{
skipReason = $"连线条件 {edge.When} 不满足,跳过本节点。";
return false;
}
}
skipReason = null;
return true;
}
private static bool ReadBool(Dictionary<string, object?> map, string key)
{
if (!map.TryGetValue(key, out object? value) || value is null)
{
return false;
}
return value switch
{
bool b => b,
JsonElement el when el.ValueKind == JsonValueKind.True => true,
JsonElement el when el.ValueKind == JsonValueKind.False => false,
_ => bool.TryParse(value.ToString(), out bool parsed) && parsed,
};
}
private static string? ReadString(Dictionary<string, object?> map, string key)
{
if (!map.TryGetValue(key, out object? value) || value is null)
{
return null;
}
if (value is JsonElement el)
{
return el.ValueKind == JsonValueKind.String ? el.GetString() : el.ToString();
}
return value.ToString();
}
}
@@ -1,3 +1,5 @@
using MAF1.Decisions;
namespace MAF1.Web; namespace MAF1.Web;
public sealed class WorkflowGraph public sealed class WorkflowGraph
@@ -26,10 +28,21 @@ public sealed class WorkflowEdge
public string? When { get; set; } public string? When { get; set; }
} }
public static class WorkflowRunStatus
{
public const string Completed = "completed";
public const string NeedsDecision = "needsDecision";
public const string Failed = "failed";
}
public sealed class WorkflowRunResult public sealed class WorkflowRunResult
{ {
public bool Ok { get; set; } public bool Ok { get; set; }
public string Status { get; set; } = WorkflowRunStatus.Completed;
public string? RunId { get; set; }
public string? Error { get; set; } public string? Error { get; set; }
public DecisionRequest? Decision { get; set; }
public DecisionAnswer? AppliedDecision { get; set; }
public List<NodeRunLog> Steps { get; set; } = []; public List<NodeRunLog> Steps { get; set; } = [];
} }
+35
View File
@@ -0,0 +1,35 @@
using System.Collections.Concurrent;
using MAF1.Decisions;
using MAF1.Plugins;
namespace MAF1.Web;
internal sealed class WorkflowSession
{
public required string RunId { get; init; }
public required WorkflowGraph Graph { get; init; }
public required NodeCatalogSnapshot Catalog { get; init; }
public required List<string> Order { get; init; }
public required Dictionary<string, Dictionary<string, object?>> Outputs { get; init; }
public required List<NodeRunLog> Steps { get; init; }
public int NextIndex { get; set; }
public DecisionRequest? Pending { get; set; }
public bool Completed { get; set; }
public WorkflowRunResult LastResult { get; set; } = new();
public DecisionAnswer? AppliedDecision { get; set; }
public CancellationTokenSource TimeoutCts { get; set; } = new();
public SemaphoreSlim Mutex { get; } = new(1, 1);
public object Sync { get; } = new();
}
public sealed class WorkflowRunStore
{
private readonly ConcurrentDictionary<string, WorkflowSession> _sessions = new(StringComparer.OrdinalIgnoreCase);
internal bool TryAdd(WorkflowSession session) => _sessions.TryAdd(session.RunId, session);
internal bool TryGet(string runId, out WorkflowSession? session) => _sessions.TryGetValue(runId, out session);
public WorkflowRunResult? GetResult(string runId)
=> _sessions.TryGetValue(runId, out WorkflowSession? session) ? session.LastResult : null;
}
@@ -4,6 +4,9 @@
"Endpoint": "https://api.deepseek.com", "Endpoint": "https://api.deepseek.com",
"Model": "deepseek-v4-flash" "Model": "deepseek-v4-flash"
}, },
"Workflow": {
"DecisionTimeoutSeconds": 30
},
"Plugins": { "Plugins": {
"Directory": "plugins", "Directory": "plugins",
"DefaultTimeoutSeconds": 180 "DefaultTimeoutSeconds": 180
@@ -243,3 +243,93 @@ h2 {
.wire.selected { .wire.selected {
stroke: var(--weather); stroke: var(--weather);
} }
.modal {
position: fixed;
inset: 0;
background: rgba(6, 10, 16, 0.72);
display: flex;
align-items: center;
justify-content: center;
z-index: 20;
padding: 20px;
}
.modal.hidden {
display: none;
}
.dialog {
width: min(480px, 100%);
background: var(--panel);
border: 1px solid var(--line);
border-radius: 12px;
padding: 18px 18px 16px;
}
.dialog h2 {
margin: 0 0 8px;
font-size: 16px;
}
.dialog p {
margin: 0 0 8px;
font-size: 13px;
line-height: 1.5;
}
.decision-options {
display: flex;
flex-direction: column;
gap: 8px;
margin: 12px 0;
}
.decision-option {
display: block;
background: #10161d;
border: 1px solid var(--line);
border-radius: 8px;
padding: 10px 12px;
cursor: pointer;
}
.decision-option input {
margin-right: 8px;
}
.decision-option.selected {
border-color: var(--accent);
}
.decision-option strong {
display: block;
font-size: 13px;
}
.decision-option span {
display: block;
margin-top: 4px;
color: var(--muted);
font-size: 12px;
}
.dialog input {
width: 100%;
background: #10161d;
color: var(--text);
border: 1px solid var(--line);
border-radius: 6px;
padding: 8px;
margin-bottom: 8px;
}
.dialog-actions {
display: flex;
justify-content: flex-end;
margin-top: 8px;
}
.hidden {
display: none !important;
}
@@ -37,6 +37,21 @@
<h2>运行结果</h2> <h2>运行结果</h2>
<pre id="log">尚未运行。</pre> <pre id="log">尚未运行。</pre>
</section> </section>
<div id="decisionModal" class="modal hidden" aria-hidden="true">
<div class="dialog">
<h2>需要你确认</h2>
<p id="decisionPrompt"></p>
<p id="decisionReason" class="hint"></p>
<p class="hint">未及时确认将使用默认方案。剩余 <strong id="decisionRemain">--</strong></p>
<div id="decisionOptions" class="decision-options"></div>
<label id="decisionTextLabel" class="hidden">其它城市</label>
<input id="decisionText" class="hidden" autocomplete="off" />
<p id="decisionError" class="issue hidden"></p>
<div class="dialog-actions">
<button type="button" id="decisionSubmit" class="primary">确认所选方案</button>
</div>
</div>
</div>
<script src="/js/app.js"></script> <script src="/js/app.js"></script>
</body> </body>
</html> </html>
+159 -11
View File
@@ -15,6 +15,20 @@ const canvas = document.getElementById("canvas");
const wires = document.getElementById("wires"); const wires = document.getElementById("wires");
const inspector = document.getElementById("inspector"); const inspector = document.getElementById("inspector");
const logEl = document.getElementById("log"); const logEl = document.getElementById("log");
const decisionModal = document.getElementById("decisionModal");
const decisionPrompt = document.getElementById("decisionPrompt");
const decisionReason = document.getElementById("decisionReason");
const decisionRemain = document.getElementById("decisionRemain");
const decisionOptions = document.getElementById("decisionOptions");
const decisionText = document.getElementById("decisionText");
const decisionTextLabel = document.getElementById("decisionTextLabel");
const decisionError = document.getElementById("decisionError");
const decisionSubmit = document.getElementById("decisionSubmit");
const btnRun = document.getElementById("btnRun");
let decisionTimer = null;
let pendingRunId = null;
let selectedOptionId = "";
function uid(prefix) { function uid(prefix) {
return prefix + Math.random().toString(36).slice(2, 8); return prefix + Math.random().toString(36).slice(2, 8);
@@ -280,25 +294,159 @@ function renderInspector() {
} }
async function runGraph() { async function runGraph() {
closeDecision();
logEl.textContent = "运行中…"; logEl.textContent = "运行中…";
const res = await fetch("/api/run", { btnRun.disabled = true;
method: "POST", try {
headers: { "Content-Type": "application/json" }, const res = await fetch("/api/run", {
body: JSON.stringify({ nodes: state.nodes, edges: state.edges }), method: "POST",
}); headers: { "Content-Type": "application/json" },
const data = await res.json(); body: JSON.stringify({ nodes: state.nodes, edges: state.edges }),
if (!data.ok) { });
logEl.textContent = data.error ?? "运行失败"; const data = await res.json();
return; handleRunResult(data);
} catch (err) {
logEl.textContent = err?.message ?? "运行失败";
btnRun.disabled = false;
} }
logEl.textContent = data.steps.map((step) => { }
function formatRunLog(data) {
const applied = data.appliedDecision
? `\n已选方案: ${data.appliedDecision.optionId}${data.appliedDecision.timedOut ? "(超时默认)" : ""}${data.appliedDecision.text ? " / " + data.appliedDecision.text : ""}\n`
: "";
const steps = (data.steps || []).map((step) => {
const head = `${step.title} (${step.type})${step.skipped ? " [跳过]" : ""}`; const head = `${step.title} (${step.type})${step.skipped ? " [跳过]" : ""}`;
const inputs = JSON.stringify(step.inputs, null, 2); const inputs = JSON.stringify(step.inputs, null, 2);
const outputs = JSON.stringify(step.outputs, null, 2); const outputs = JSON.stringify(step.outputs, null, 2);
return `${head}\n输入:\n${inputs}\n输出:\n${outputs}\n${step.message ?? ""}`; return `${head}\n输入:\n${inputs}\n输出:\n${outputs}\n${step.message ?? ""}`;
}).join("\n\n-----\n\n"); }).join("\n\n-----\n\n");
return (applied + (steps || "没有步骤。")).trim();
} }
function handleRunResult(data) {
if (data.status === "needsDecision" && data.decision) {
logEl.textContent = "等待确认…\n\n" + formatRunLog(data);
showDecision(data, data.error);
return;
}
closeDecision();
btnRun.disabled = false;
if (!data.ok) {
logEl.textContent = data.error ?? "运行失败";
return;
}
logEl.textContent = formatRunLog(data);
}
function showDecision(data, errorText) {
const decision = data.decision;
pendingRunId = data.runId;
selectedOptionId = decision.defaultOptionId;
decisionPrompt.textContent = decision.prompt || "请选择一个方案。";
decisionReason.textContent = decision.reason ? `原因:${decision.reason}` : "";
decisionError.textContent = errorText || "";
decisionError.classList.toggle("hidden", !errorText);
decisionOptions.innerHTML = (decision.options || []).map((option) => `
<label class="decision-option ${option.id === selectedOptionId ? "selected" : ""}" data-id="${option.id}" data-requires="${option.requiresText ? "1" : "0"}">
<input type="radio" name="decisionOption" value="${option.id}" ${option.id === selectedOptionId ? "checked" : ""} />
<strong>${option.label}</strong>
<span>${option.description || ""}${option.isDefault ? "(超时将自动选择)" : ""}</span>
</label>`).join("");
decisionOptions.querySelectorAll(".decision-option").forEach((el) => {
el.onchange = () => {
selectedOptionId = el.dataset.id;
decisionOptions.querySelectorAll(".decision-option").forEach((item) => {
item.classList.toggle("selected", item.dataset.id === selectedOptionId);
});
syncDecisionText();
};
});
decisionText.placeholder = (decision.options || []).find((o) => o.requiresText)?.textPlaceholder || "请输入";
syncDecisionText();
decisionModal.classList.remove("hidden");
decisionModal.setAttribute("aria-hidden", "false");
startDecisionTimer(decision.deadline);
}
function syncDecisionText() {
const option = decisionOptions.querySelector(`.decision-option[data-id="${selectedOptionId}"]`);
const needsText = option?.dataset.requires === "1";
decisionText.classList.toggle("hidden", !needsText);
decisionTextLabel.classList.toggle("hidden", !needsText);
if (needsText) {
decisionText.focus();
}
}
function startDecisionTimer(deadline) {
if (decisionTimer) {
clearInterval(decisionTimer);
}
const tick = async () => {
const remain = Math.max(0, Math.ceil((new Date(deadline).getTime() - Date.now()) / 1000));
decisionRemain.textContent = String(remain);
if (remain <= 0) {
clearInterval(decisionTimer);
decisionTimer = null;
if (pendingRunId) {
await pollRun(pendingRunId);
}
}
};
tick();
decisionTimer = setInterval(tick, 500);
}
async function pollRun(runId) {
for (let i = 0; i < 8; i++) {
try {
const res = await fetch(`/api/run/${runId}`);
const data = await res.json();
if (data.status !== "needsDecision") {
handleRunResult(data);
return;
}
} catch {
btnRun.disabled = false;
return;
}
await new Promise((resolve) => setTimeout(resolve, 250));
}
}
function closeDecision() {
if (decisionTimer) {
clearInterval(decisionTimer);
decisionTimer = null;
}
pendingRunId = null;
decisionModal.classList.add("hidden");
decisionModal.setAttribute("aria-hidden", "true");
}
decisionSubmit.onclick = async () => {
if (!pendingRunId || !selectedOptionId) {
return;
}
decisionSubmit.disabled = true;
decisionError.classList.add("hidden");
try {
const res = await fetch(`/api/run/${pendingRunId}/decide`, {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ optionId: selectedOptionId, text: decisionText.value }),
});
const data = await res.json();
handleRunResult(data);
} catch (err) {
decisionError.textContent = err?.message ?? "确认失败";
decisionError.classList.remove("hidden");
} finally {
decisionSubmit.disabled = false;
}
};
async function loadCatalog() { async function loadCatalog() {
const [catalog, credentials] = await Promise.all([ const [catalog, credentials] = await Promise.all([
(await fetch("/api/catalog")).json(), (await fetch("/api/catalog")).json(),
@@ -323,7 +471,7 @@ document.getElementById("btnExample").onclick = () => {
state.selected = { kind: "edge", id: "e1" }; state.selected = { kind: "edge", id: "e1" };
render(); render();
}; };
document.getElementById("btnRun").onclick = runGraph; btnRun.onclick = runGraph;
document.getElementById("btnRefresh").onclick = async () => { document.getElementById("btnRefresh").onclick = async () => {
logEl.textContent = "正在重新扫描系统节点和 plugins 目录…"; logEl.textContent = "正在重新扫描系统节点和 plugins 目录…";
await loadCatalog(); await loadCatalog();
+2 -1
View File
@@ -7,5 +7,6 @@
<Project Path="plugins/weather/WeatherPlugin.csproj" /> <Project Path="plugins/weather/WeatherPlugin.csproj" />
</Folder> </Folder>
<Project Path="MAF1.Core/MAF1.Core.csproj" /> <Project Path="MAF1.Core/MAF1.Core.csproj" />
<Project Path="MAF1.csproj" /> <Project Path="MAF1/MAF1.csproj" />
<Project Path="MAF1.Web/MAF1.Web.csproj" />
</Solution> </Solution>
+15 -7
View File
@@ -33,13 +33,15 @@ internal static class CliHost
return; return;
} }
int decisionTimeoutSeconds = Math.Clamp(config.GetValue("Workflow:DecisionTimeoutSeconds", 30), 1, 600);
Console.WriteLine($"天气数据源: {weatherOptions.Provider}"); Console.WriteLine($"天气数据源: {weatherOptions.Provider}");
Console.WriteLine($"目标文件: {filePath}"); Console.WriteLine($"目标文件: {filePath}");
Console.WriteLine($"决策等待: {decisionTimeoutSeconds} 秒(超时采用默认方案:结束查询)");
Console.WriteLine(); Console.WriteLine();
Workflow workflow = mode == "edge" Workflow workflow = mode == "edge"
? CityWeatherWorkflow.BuildEdgeCondition(fileCityAgent, weatherAgent) ? CityWeatherWorkflow.BuildEdgeCondition(fileCityAgent, weatherAgent, decisionTimeoutSeconds)
: CityWeatherWorkflow.BuildNodeCondition(fileCityAgent, weatherAgent); : CityWeatherWorkflow.BuildNodeCondition(fileCityAgent, weatherAgent, decisionTimeoutSeconds);
string label = mode == "edge" string label = mode == "edge"
? "模式 edge:判断写在边上" ? "模式 edge:判断写在边上"
: "模式 node:判断写在节点里"; : "模式 node:判断写在节点里";
@@ -50,6 +52,11 @@ internal static class CliHost
{ {
mode = "node"; mode = "node";
filePath = Path.Combine("Data", "cities.txt"); filePath = Path.Combine("Data", "cities.txt");
if (args.Length == 0)
{
return true;
}
IEnumerable<string> rest = args[0] is "--cli" ? args.Skip(1) : args; IEnumerable<string> rest = args[0] is "--cli" ? args.Skip(1) : args;
string[] list = rest.ToArray(); string[] list = rest.ToArray();
if (list.Length == 0) if (list.Length == 0)
@@ -82,12 +89,13 @@ internal static class CliHost
{ {
Console.WriteLine( Console.WriteLine(
""" """
: :
dotnet run dotnet run --project MAF1
dotnet run --project MAF1 -- node Data/cities.txt
dotnet run --project MAF1 -- edge Data/cities.txt
: :
dotnet run -- node Data/cities.txt dotnet run --project MAF1.Web
dotnet run -- edge Data/cities.txt
"""); """);
} }
} }
+3
View File
@@ -0,0 +1,3 @@
成都
阿姆斯特丹
北京
+3
View File
@@ -0,0 +1,3 @@
香蕉
hello
不是城市
+32
View File
@@ -0,0 +1,32 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net10.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
<RootNamespace>MAF1</RootNamespace>
<ApplicationManifest>app.manifest</ApplicationManifest>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.Agents.AI.Workflows" Version="1.19.0" />
<PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="10.0.0" />
<PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="10.0.0" />
<PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="10.0.0" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\MAF1.Core\MAF1.Core.csproj" />
</ItemGroup>
<ItemGroup>
<None Update="appsettings.json">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</None>
<None Update="Data\**\*">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</None>
</ItemGroup>
</Project>
@@ -0,0 +1,91 @@
using MAF1.Decisions;
namespace MAF1.Orchestration;
internal static class ConsoleDecisionPrompt
{
public static async Task<DecisionAnswer> WaitAsync(DecisionRequest request)
{
Console.WriteLine();
Console.WriteLine("[需要确认]");
Console.WriteLine(request.Prompt);
if (!string.IsNullOrWhiteSpace(request.Reason))
{
Console.WriteLine($"原因:{request.Reason}");
}
Console.WriteLine($"未及时确认将使用默认方案。等待 {request.TimeoutSeconds} 秒。");
for (int i = 0; i < request.Options.Count; i++)
{
DecisionOption option = request.Options[i];
string mark = option.IsDefault ? " ← 默认" : "";
Console.WriteLine($" {i + 1}) {option.Label}{mark}");
if (!string.IsNullOrWhiteSpace(option.Description))
{
Console.WriteLine($" {option.Description}");
}
}
Console.Write("输入序号,或直接回车采用默认:");
string? line = await ReadLineOrTimeoutAsync(request.Deadline);
if (line is null)
{
Console.WriteLine();
Console.WriteLine("未及时确认,采用默认方案:结束查询。");
return new DecisionAnswer { OptionId = request.DefaultOptionId, TimedOut = true };
}
line = line.Trim();
if (line.Length == 0 || line is "1" || line.Equals("stop", StringComparison.OrdinalIgnoreCase))
{
return new DecisionAnswer { OptionId = DecisionOptionIds.Stop };
}
if (line is "2" || line.Equals(DecisionOptionIds.QueryCities, StringComparison.OrdinalIgnoreCase))
{
Console.Write("请输入城市名(例如 成都、北京):");
string? cities = await ReadLineOrTimeoutAsync(request.Deadline);
if (cities is null)
{
Console.WriteLine();
Console.WriteLine("未及时输入城市,采用默认方案:结束查询。");
return new DecisionAnswer { OptionId = DecisionOptionIds.Stop, TimedOut = true };
}
if (EmptyCityDecision.ParseCities(cities).Count == 0)
{
Console.WriteLine("没有有效城市名,采用默认方案:结束查询。");
return new DecisionAnswer { OptionId = DecisionOptionIds.Stop };
}
return new DecisionAnswer { OptionId = DecisionOptionIds.QueryCities, Text = cities };
}
if (EmptyCityDecision.ParseCities(line).Count > 0)
{
return new DecisionAnswer { OptionId = DecisionOptionIds.QueryCities, Text = line };
}
Console.WriteLine("无法识别输入,采用默认方案:结束查询。");
return new DecisionAnswer { OptionId = DecisionOptionIds.Stop };
}
private static async Task<string?> ReadLineOrTimeoutAsync(DateTimeOffset deadline)
{
TimeSpan remain = deadline - DateTimeOffset.UtcNow;
if (remain <= TimeSpan.Zero)
{
return null;
}
Task<string?> read = Task.Run(() => Console.ReadLine());
Task delay = Task.Delay(remain);
Task finished = await Task.WhenAny(read, delay);
if (finished == delay)
{
return null;
}
return await read;
}
}
@@ -1,3 +1,4 @@
using MAF1.Decisions;
using Microsoft.Agents.AI; using Microsoft.Agents.AI;
using Microsoft.Agents.AI.Workflows; using Microsoft.Agents.AI.Workflows;
@@ -19,6 +20,12 @@ public static class WorkflowOrchestration
{ {
switch (evt) switch (evt)
{ {
case RequestInfoEvent requestEvent:
DecisionRequest decision = ReadDecision(requestEvent.Request);
DecisionAnswer answer = await ConsoleDecisionPrompt.WaitAsync(decision);
await run.SendResponseAsync(requestEvent.Request.CreateResponse(answer));
break;
case AgentResponseUpdateEvent update: case AgentResponseUpdateEvent update:
if (update.ExecutorId != lastExecutorId) if (update.ExecutorId != lastExecutorId)
{ {
@@ -47,4 +54,14 @@ public static class WorkflowOrchestration
Console.WriteLine(); Console.WriteLine();
} }
private static DecisionRequest ReadDecision(ExternalRequest request)
{
if (request.TryGetDataAs(out DecisionRequest? decision) && decision is not null)
{
return decision;
}
throw new InvalidOperationException("工作流发出了无法识别的确认请求。");
}
} }
+5
View File
@@ -0,0 +1,5 @@
using MAF1;
using MAF1.Utils;
WindowsConsole.EnableUtf8();
await CliHost.RunAsync(args);
@@ -1,15 +1,5 @@
{ {
"profiles": { "profiles": {
"designer": {
"commandName": "Project",
"applicationUrl": "http://127.0.0.1:5288",
"environmentVariables": {
"ASPNETCORE_URLS": "http://127.0.0.1:5288",
"OPENAI_ENDPOINT": "https://api.deepseek.com",
"OPENAI_API_KEY": "sk-b31330cf3a414d86ab614b9dfb3650c3",
"OPENAI_CHAT_MODEL": "deepseek-v4-flash"
}
},
"node": { "node": {
"commandName": "Project", "commandName": "Project",
"commandLineArgs": "node Data/cities.txt", "commandLineArgs": "node Data/cities.txt",
@@ -21,7 +11,7 @@
}, },
"edge": { "edge": {
"commandName": "Project", "commandName": "Project",
"commandLineArgs": "edge Data/cities.txt", "commandLineArgs": "edge Data/not-cities.txt",
"environmentVariables": { "environmentVariables": {
"OPENAI_ENDPOINT": "https://api.deepseek.com", "OPENAI_ENDPOINT": "https://api.deepseek.com",
"OPENAI_API_KEY": "sk-b31330cf3a414d86ab614b9dfb3650c3", "OPENAI_API_KEY": "sk-b31330cf3a414d86ab614b9dfb3650c3",
@@ -0,0 +1,42 @@
using MAF1.Agents.FileCity;
using MAF1.Decisions;
using Microsoft.Agents.AI.Workflows;
namespace MAF1.Workflows;
/// <summary>
/// 把控制台确认结果变回工作流消息:继续则送出城市,默认/超时则结束。
/// </summary>
internal sealed class ApplyCityDecisionExecutor() : Executor<DecisionAnswer>("ApplyCityDecision")
{
protected override ProtocolBuilder ConfigureProtocol(ProtocolBuilder builder)
{
return base.ConfigureProtocol(builder)
.SendsMessage<CityExtraction>()
.YieldsOutput<string>();
}
public override async ValueTask HandleAsync(
DecisionAnswer answer,
IWorkflowContext context,
CancellationToken cancellationToken = default)
{
if (EmptyCityDecision.TryContinueWithCities(answer, out List<string> cities))
{
await context.SendMessageAsync(
new CityExtraction
{
HasValidCities = true,
Cities = cities,
Reason = $"用户指定城市:{string.Join("", cities)}",
},
cancellationToken: cancellationToken);
return;
}
string how = answer.TimedOut ? "超时,自动采用默认方案" : "已确认默认方案";
await context.YieldOutputAsync(
$"{how}:结束后续查询,不执行 WeatherAgent。",
cancellationToken);
}
}
+26
View File
@@ -0,0 +1,26 @@
using MAF1.Agents.FileCity;
using MAF1.Decisions;
using Microsoft.Agents.AI.Workflows;
namespace MAF1.Workflows;
/// <summary>
/// 边条件模式:没有城市时不在边上直接结束,而是发出决策请求。
/// </summary>
internal sealed class AskCityDecisionExecutor(int timeoutSeconds) : Executor<CityExtraction>("AskCityDecision")
{
protected override ProtocolBuilder ConfigureProtocol(ProtocolBuilder builder)
{
return base.ConfigureProtocol(builder).SendsMessage<DecisionRequest>();
}
public override async ValueTask HandleAsync(
CityExtraction extraction,
IWorkflowContext context,
CancellationToken cancellationToken = default)
{
await context.SendMessageAsync(
EmptyCityDecision.Create("AskCityDecision", extraction.Reason, timeoutSeconds),
cancellationToken: cancellationToken);
}
}
@@ -1,10 +1,11 @@
using MAF1.Agents.FileCity; using MAF1.Agents.FileCity;
using MAF1.Decisions;
using Microsoft.Agents.AI.Workflows; using Microsoft.Agents.AI.Workflows;
using Microsoft.Extensions.AI; using Microsoft.Extensions.AI;
namespace MAF1.Workflows; namespace MAF1.Workflows;
internal sealed class CityGateExecutor() : ChatProtocolExecutor( internal sealed class CityGateExecutor(int decisionTimeoutSeconds) : ChatProtocolExecutor(
"CityGate", "CityGate",
new ChatProtocolExecutorOptions { AutoSendTurnToken = false }) new ChatProtocolExecutorOptions { AutoSendTurnToken = false })
{ {
@@ -13,6 +14,7 @@ internal sealed class CityGateExecutor() : ChatProtocolExecutor(
return base.ConfigureProtocol(builder) return base.ConfigureProtocol(builder)
.SendsMessage<ChatMessage>() .SendsMessage<ChatMessage>()
.SendsMessage<TurnToken>() .SendsMessage<TurnToken>()
.SendsMessage<DecisionRequest>()
.YieldsOutput<string>(); .YieldsOutput<string>();
} }
@@ -31,12 +33,9 @@ internal sealed class CityGateExecutor() : ChatProtocolExecutor(
CityExtraction extraction = FileCityAgent.Parse(text); CityExtraction extraction = FileCityAgent.Parse(text);
if (!extraction.HasValidCities) if (!extraction.HasValidCities)
{ {
string reason = string.IsNullOrWhiteSpace(extraction.Reason) await context.SendMessageAsync(
? "文件里没有可查询的城市。" EmptyCityDecision.Create("CityGate", extraction.Reason, decisionTimeoutSeconds),
: extraction.Reason; cancellationToken: cancellationToken);
await context.YieldOutputAsync(
$"没有有效城市,工作流结束,不执行 WeatherAgent。{reason}",
cancellationToken);
return; return;
} }
@@ -1,3 +1,4 @@
using MAF1.Decisions;
using Microsoft.Agents.AI; using Microsoft.Agents.AI;
using Microsoft.Agents.AI.Workflows; using Microsoft.Agents.AI.Workflows;
using MAF1.Agents.FileCity; using MAF1.Agents.FileCity;
@@ -6,32 +7,44 @@ namespace MAF1.Workflows;
public static class CityWeatherWorkflow public static class CityWeatherWorkflow
{ {
public static Workflow BuildNodeCondition(AIAgent fileCityAgent, AIAgent weatherAgent) public static Workflow BuildNodeCondition(AIAgent fileCityAgent, AIAgent weatherAgent, int decisionTimeoutSeconds)
{ {
(ExecutorBinding fileCity, ExecutorBinding weather) = BindAgents(fileCityAgent, weatherAgent); (ExecutorBinding fileCity, ExecutorBinding weather) = BindAgents(fileCityAgent, weatherAgent);
CityGateExecutor gate = new(); CityGateExecutor gate = new(decisionTimeoutSeconds);
RequestPort cityDecision = RequestPort.Create<DecisionRequest, DecisionAnswer>("CityDecision");
ApplyCityDecisionExecutor apply = new();
ToWeatherPromptExecutor toWeather = new();
return new WorkflowBuilder(fileCity) return new WorkflowBuilder(fileCity)
.AddEdge(fileCity, gate) .AddEdge(fileCity, gate)
.AddEdge(gate, weather) .AddEdge(gate, weather)
.WithOutputFrom(gate, weather) .AddEdge(gate, cityDecision)
.AddEdge(cityDecision, apply)
.AddEdge<CityExtraction>(apply, toWeather, extraction => extraction is { HasValidCities: true })
.AddEdge(toWeather, weather)
.WithOutputFrom(apply, weather)
.WithName("CityWeather-Node") .WithName("CityWeather-Node")
.Build(); .Build();
} }
public static Workflow BuildEdgeCondition(AIAgent fileCityAgent, AIAgent weatherAgent) public static Workflow BuildEdgeCondition(AIAgent fileCityAgent, AIAgent weatherAgent, int decisionTimeoutSeconds)
{ {
(ExecutorBinding fileCity, ExecutorBinding weather) = BindAgents(fileCityAgent, weatherAgent); (ExecutorBinding fileCity, ExecutorBinding weather) = BindAgents(fileCityAgent, weatherAgent);
CityParseExecutor parse = new(); CityParseExecutor parse = new();
ToWeatherPromptExecutor toWeather = new(); ToWeatherPromptExecutor toWeather = new();
SkipWeatherExecutor skip = new(); AskCityDecisionExecutor ask = new(decisionTimeoutSeconds);
RequestPort cityDecision = RequestPort.Create<DecisionRequest, DecisionAnswer>("CityDecision");
ApplyCityDecisionExecutor apply = new();
return new WorkflowBuilder(fileCity) return new WorkflowBuilder(fileCity)
.AddEdge(fileCity, parse) .AddEdge(fileCity, parse)
.AddEdge<CityExtraction>(parse, toWeather, extraction => extraction is { HasValidCities: true }) .AddEdge<CityExtraction>(parse, toWeather, extraction => extraction is { HasValidCities: true })
.AddEdge<CityExtraction>(parse, skip, extraction => extraction is not { HasValidCities: true }) .AddEdge<CityExtraction>(parse, ask, extraction => extraction is not { HasValidCities: true })
.AddEdge(ask, cityDecision)
.AddEdge(cityDecision, apply)
.AddEdge<CityExtraction>(apply, toWeather, extraction => extraction is { HasValidCities: true })
.AddEdge(toWeather, weather) .AddEdge(toWeather, weather)
.WithOutputFrom(skip, weather) .WithOutputFrom(apply, weather)
.WithName("CityWeather-Edge") .WithName("CityWeather-Edge")
.Build(); .Build();
} }
View File
+21
View File
@@ -0,0 +1,21 @@
{
"Llm": {
"ApiKey": "",
"Endpoint": "https://api.deepseek.com",
"Model": "deepseek-v4-flash"
},
"Workflow": {
"DecisionTimeoutSeconds": 30
},
"Weather": {
"Provider": "Wttr",
"Language": "zh",
"Wttr": {
"UrlTemplate": "https://wttr.in/{location}?lang={lang}&format=3"
},
"OpenWeather": {
"UrlTemplate": "https://api.openweathermap.org/data/2.5/weather?q={location}&appid={apiKey}&units=metric&lang={lang}",
"ApiKey": ""
}
}
}
+1 -1
View File
@@ -1,6 +1,6 @@
# 插件目录 # 插件目录
每个子文件夹是一个插件。软件启动后扫描**执行目录**下的 `plugins/`(即 `MAF1.exe` 旁边),不是源码目录。 每个子文件夹是一个插件。软件启动后扫描**网页宿主执行目录**下的 `plugins/`(即 `MAF1.Web.exe` 旁边),不是源码目录。
## 必备文件 ## 必备文件
+111 -61
View File
@@ -1,13 +1,13 @@
# MAF1 — 多智能体工作流编排 # MAF1 — 多智能体工作流编排
MAF1 是一个基于 **.NET 10** 和 **Microsoft Agents AI** 的多智能体Multi-Agent)演示项目。它把「读文件抽城市 → 查天气」这条业务链路成两种用法 MAF1 是一个基于 **.NET 10** 和 **Microsoft Agents AI** 的多智能体演示仓库。同一条「读文件抽城市 → 查天气」链路成两个可执行项目
1. **可视化编排器**:浏览器里拖节点、连线、配条件,然后一键运行 1. **MAF1**:命令行工作流。用 Microsoft Agents AI Workflows 对比「条件写在节点里」和「条件写在边上」
2. **命令行工作流**:用 Microsoft Agents AI Workflows 对比「条件写在节点里」和「条件写在边上」两种编排方式 2. **MAF1.Web**:可视化编排器。浏览器里拖节点、连线、配条件,然后一键运行
内置 Agent 在进程内执行;同一套能力也可以**独立进程插件** 的形式出现在画布上。LLM 的 endpoint / API Key / 模型由宿主注入,**不会**画成节点端口,也不会写进流程图 JSON。 内置 Agent 在 `MAF1.Core` 里;网页还可以把同一套能力以 **独立进程插件** 的形式画到画布上。LLM 的 endpoint / API Key / 模型由宿主注入,**不会**画成节点端口,也不会写进流程图 JSON。
默认打开可视化界面<http://127.0.0.1:5288> 网页打开<http://127.0.0.1:5288>(先启动 `MAF1.Web`
--- ---
@@ -18,7 +18,8 @@ MAF1 是一个基于 **.NET 10** 和 **Microsoft Agents AI** 的多智能体(M
- **进程外插件**:扫描输出目录 `plugins/*/plugin.json`,按 `launch` 启动子进程,stdin / stdout 走 JSON。 - **进程外插件**:扫描输出目录 `plugins/*/plugin.json`,按 `launch` 启动子进程,stdin / stdout 走 JSON。
- **凭据隔离**:宿主配置 LLM;节点只声明需要哪种凭据(默认 `llm-default`)。浏览器拿不到原始 Key。 - **凭据隔离**:宿主配置 LLM;节点只声明需要哪种凭据(默认 `llm-default`)。浏览器拿不到原始 Key。
- **边条件**:连线可设 `hasValidCities` / `!hasValidCities`,不满足则跳过下游节点。 - **边条件**:连线可设 `hasValidCities` / `!hasValidCities`,不满足则跳过下游节点。
- **CLI 对照**`node` 模式把判断放在 Gate 节点内;`edge` 模式把判断写在 Workflow 边上 - **人机决策**:抽城市失败时暂停等待确认;必须有默认方案(结束查询)。网页弹出确认框,CLI 在控制台询问。超时未确认则自动采用默认方案,也可以改填其它城市继续查天气
- **CLI 对照**`node` 模式把「有没有城市」写在 Gate 节点里;`edge` 模式把这条判断写在边上。两种模式缺城市时都会进入同一套确认。
- **天气数据源**:默认 [wttr.in](https://wttr.in),可改为 OpenWeatherMap。 - **天气数据源**:默认 [wttr.in](https://wttr.in),可改为 OpenWeatherMap。
--- ---
@@ -28,48 +29,43 @@ MAF1 是一个基于 **.NET 10** 和 **Microsoft Agents AI** 的多智能体(M
| 部分 | 说明 | | 部分 | 说明 |
|------|------| |------|------|
| 运行时 | .NET 10`net10.0` | | 运行时 | .NET 10`net10.0` |
| 宿主 | ASP.NET Core Web SDKMinimal API + 静态文件 | | 控制台 | `MAF1`:普通控制台,Microsoft Agents AI Workflows |
| 编排库 | `Microsoft.Agents.AI.Workflows` 1.19.0 | | 网页 | `MAF1.Web`ASP.NET Core Minimal API + `wwwroot` |
| LLM | `Azure.AI.OpenAI` + `Microsoft.Agents.AI.OpenAI`(兼容 OpenAI / Azure OpenAI / DeepSeek 等) | | LLM | `Azure.AI.OpenAI` + `Microsoft.Agents.AI.OpenAI`(兼容 OpenAI / Azure OpenAI / DeepSeek 等) |
| 前端 | `wwwroot` 下原生 HTML / CSS / JS,无 npm 依赖 | | 前端 | `MAF1.Web/wwwroot` 下原生 HTML / CSS / JS,无 npm 依赖 |
| 插件 | 独立控制台进程,协议见 `MAF1.Core/PluginContract` | | 插件 | 独立控制台进程,协议见 `MAF1.Core/PluginContract`,由网页宿主扫描 |
解决方案文件:`MAF1.slnx`包含宿主`MAF1.Core`、两个插件工程)。 解决方案文件:`MAF1.slnx``MAF1``MAF1.Web``MAF1.Core`、两个插件工程)。
--- ---
## 仓库结构 ## 仓库结构
``` ```
MAF1/ 仓库根目录/
├── MAF1.csproj # 宿主:Web UI + CLI
├── MAF1.slnx ├── MAF1.slnx
├── Program.cs # 有 CLI 参数则走命令行,否则启动 Web ├── MAF1/ # 控制台项目
├── CliHost.cs │ ├── MAF1.csproj
├── appsettings.json # LLM / 插件 / 天气配置 │ ├── Program.cs / CliHost.cs
├── app.manifest # Windows 控制台 UTF-8 │ ├── Workflows/ # Microsoft Agents AI Workflow
├── Properties/launchSettings.json │ ├── Orchestration/ # 控制台事件流 + 确认提示
├── Data/ # 示例文本 ├── Data/
── cities.txt ── appsettings.json
│ └── not-cities.txt ├── MAF1.Web/ # 网页编排项目
├── Web/ # 目录、图执行、运行时组装 │ ├── MAF1.Web.csproj
├── PluginHost/ # 扫描插件、起进程、注入凭据 ├── Program.cs # Minimal API
├── Workflows/ # CLI 用的 Microsoft Agents AI Workflow ├── Web/ # 图执行、运行时组装
├── Orchestration/ # CLI 事件流式输出 │ ├── PluginHost/ # 扫描插件、起进程、注入凭据
├── wwwroot/ # 可视化编排界面 ├── wwwroot/ # 可视化界面
│ ├── Data/
│ └── appsettings.json
├── MAF1.Core/ # 共享:Agent、Tool、LLM、插件协议 ├── MAF1.Core/ # 共享:Agent、Tool、LLM、插件协议
│ ├── Agents/FileCity/
│ ├── Agents/Weather/
│ ├── Tools/
│ ├── Utils/AgentFactory.cs
│ └── PluginContract/
└── plugins/ └── plugins/
├── README.md # 插件目录约定 ├── file-city/
── file-city/ # FileCity 独立进程 ── weather/
└── weather/ # Weather 独立进程
``` ```
构建宿主时会编译两个插件,并把输出复制到宿主 `bin/.../plugins/file-city``plugins/weather`。**运行时扫描的是可执行文件旁边的 `plugins/`,不是源码树。** 构建 **MAF1.Web** 时会编译两个插件,并把输出复制到网页宿主 `bin/.../plugins/`。**运行时扫描的是网页 exe 旁边的 `plugins/`,不是源码树。** 控制台项目不扫描插件。
--- ---
@@ -125,12 +121,14 @@ $env:OPENAI_CHAT_MODEL = "deepseek-v4-flash"
Azure OpenAI:把 Endpoint 设成 Azure 资源地址,模型字段填 **部署名**。程序会按 URL 判断是否走 Azure 客户端。 Azure OpenAI:把 Endpoint 设成 Azure 资源地址,模型字段填 **部署名**。程序会按 URL 判断是否走 Azure 客户端。
Visual Studio / `dotnet run --launch-profile designer` 会读 `Properties/launchSettings.json` 里的环境变量。该文件容易带上真实密钥,**请勿把含 Key 的版本推到远程**。 Visual Studio / `dotnet run --project MAF1.Web --launch-profile designer` 会读 `MAF1.Web/Properties/launchSettings.json` 里的环境变量。该文件容易带上真实密钥,**请勿把含 Key 的版本推到远程**。
### 3. 启动可视化编排(默认) 控制台 profile 在 `MAF1/Properties/launchSettings.json``node` / `edge`)。
### 3. 启动可视化编排
```bash ```bash
dotnet run dotnet run --project MAF1.Web
``` ```
浏览器打开 <http://127.0.0.1:5288>。控制台会打印:`可视化编排: http://127.0.0.1:5288` 浏览器打开 <http://127.0.0.1:5288>。控制台会打印:`可视化编排: http://127.0.0.1:5288`
@@ -145,26 +143,43 @@ dotnet run
### 4. 命令行工作流 ### 4. 命令行工作流
```bash ```bash
dotnet run -- node Data/cities.txt # 条件在 Gate 节点内部 dotnet run --project MAF1 -- node Data/cities.txt # 条件在 Gate 节点内部
dotnet run -- edge Data/cities.txt # 条件在边上分流 dotnet run --project MAF1 -- edge Data/cities.txt # 条件在边上分流
dotnet run -- --help dotnet run --project MAF1 -- --help
``` ```
有效城市时可用 `Data/not-cities.txt` 看跳过天气查询的路径 参数时默认 `node Data/cities.txt`。无有效城市时可用 `Data/not-cities.txt`。工作流会在控制台询问如何继续(默认结束查询,也可输入其它城市);超时走默认方案
启动配置(`launchSettings.json`): ```bash
dotnet run --project MAF1 -- node Data/not-cities.txt
dotnet run --project MAF1 -- edge Data/not-cities.txt
```
| Profile | 作用 | 控制台会出现:
|---------|------|
| `designer` | Web 编排器(默认) | ```
| `node` | CLI,节点内判断 | [需要确认]
| `edge` | CLI,边上判断 | 没有读到有效城市。…
1) 结束查询(默认) ← 默认
2) 改查其它城市
输入序号,或直接回车采用默认:
```
输入 `1` 或回车结束;输入 `2` 后再填城市名继续查天气;也可以直接输入 `成都`。等待秒数与网页相同,来自 `Workflow:DecisionTimeoutSeconds`
启动配置:
| 项目 | Profile | 作用 |
|------|---------|------|
| `MAF1.Web` | `designer` | 网页编排器 |
| `MAF1` | `node` | CLI,节点内判断 |
| `MAF1` | `edge` | CLI,边上判断 |
--- ---
## 配置说明 ## 配置说明
`appsettings.json` 会复制到输出目录。主要段落: `MAF1/appsettings.json``MAF1.Web/appsettings.json`分别复制到各自输出目录。网页项目额外包含 `Plugins` / `Credentials`主要段落:
### Llm ### Llm
@@ -192,6 +207,14 @@ dotnet run -- --help
| `Wttr.UrlTemplate` | `{location}``{lang}` 占位 | | `Wttr.UrlTemplate` | `{location}``{lang}` 占位 |
| `OpenWeather.UrlTemplate` / `ApiKey` | OpenWeatherMap;需自行申请 Key | | `OpenWeather.UrlTemplate` / `ApiKey` | OpenWeatherMap;需自行申请 Key |
### Workflow
| 字段 | 含义 |
|------|------|
| `DecisionTimeoutSeconds` | 需要用户确认时的等待秒数,默认 `30`。超时后采用默认方案。 |
节点 `config` 可覆盖:`decisionTimeoutSeconds`(秒)、`askOnEmptyCities``false` 时抽不到城市不询问,直接按边条件跳过)。
--- ---
## 内置 Agent ## 内置 Agent
@@ -203,6 +226,7 @@ dotnet run -- --help
- 输入:`filePath`(本地文本路径,相对宿主工作目录即可) - 输入:`filePath`(本地文本路径,相对宿主工作目录即可)
- 输出:`hasValidCities``cities``reason``raw` - 输出:`hasValidCities``cities``reason``raw`
- 行为:LLM + 读文件工具,从文本里抽出有效城市名 - 行为:LLM + 读文件工具,从文本里抽出有效城市名
- 若没有有效城市且后面还有节点:工作流会 **暂停等待确认**。默认方案是结束后续查询;可选方案是手动输入城市继续。超时走默认。
系统节点类型:`fileCity-system` 系统节点类型:`fileCity-system`
插件 id`fileCity``plugins/file-city` 插件 id`fileCity``plugins/file-city`
@@ -250,6 +274,7 @@ dotnet run -- --help
``` ```
- **拓扑**:按依赖排序执行;未满足入边条件的节点会被标记为跳过。 - **拓扑**:按依赖排序执行;未满足入边条件的节点会被标记为跳过。
- **人机决策**:节点输出 `hasValidCities = false` 时,若后面还有节点,则返回 `status: needsDecision`,不立刻跑完。
- **端口**`fromPort``toPort` 把上游输出接到下游输入;未接线的必填项可写在 `config` - **端口**`fromPort``toPort` 把上游输出接到下游输入;未接线的必填项可写在 `config`
- **边条件 `when`**(当前实现): - **边条件 `when`**(当前实现):
- 空:始终通过 - 空:始终通过
@@ -261,14 +286,39 @@ dotnet run -- --help
## HTTP API ## HTTP API
端口固定:`http://127.0.0.1:5288``Program.cs`)。 端口固定:`http://127.0.0.1:5288``MAF1.Web/Program.cs`)。
| 方法 | 路径 | 说明 | | 方法 | 路径 | 说明 |
|------|------|------| |------|------|------|
| `GET` | `/api/catalog` | 系统节点 + 插件节点、扫描问题、`pluginsRoot` | | `GET` | `/api/catalog` | 系统节点 + 插件节点、扫描问题、`pluginsRoot` |
| `GET` | `/api/credentials` | 对外凭据列表(不含原始 Key) | | `GET` | `/api/credentials` | 对外凭据列表(不含原始 Key) |
| `GET` | `/api/status` | 当前天气 Provider、插件根路径 | | `GET` | `/api/status` | 当前天气 Provider、插件根路径 |
| `POST` | `/api/run` | Body 为工作流图 JSON,返回逐步 `steps` | | `POST` | `/api/run` | Body 为工作流图 JSON。可能直接跑完,也可能返回 `needsDecision` |
| `GET` | `/api/run/{runId}` | 查询暂停中或已结束的一次运行 |
| `POST` | `/api/run/{runId}/decide` | Body`{ "optionId": "stop" }``{ "optionId": "query-cities", "text": "成都" }` |
`POST /api/run` 在需要确认时返回:
```json
{
"ok": true,
"status": "needsDecision",
"runId": "…",
"decision": {
"prompt": "没有读到有效城市…",
"defaultOptionId": "stop",
"timeoutSeconds": 30,
"deadline": "2026-08-27T09:22:00+00:00",
"options": [
{ "id": "stop", "label": "结束查询(默认)", "isDefault": true },
{ "id": "query-cities", "label": "改查其它城市", "requiresText": true }
]
},
"steps": []
}
```
默认方案必须存在。服务端到期会自动按 `defaultOptionId` 继续;客户端倒计时结束后可再 `GET` 一次拿最终结果。
JSON 使用 camelCase。静态站点来自 `wwwroot` JSON 使用 camelCase。静态站点来自 `wwwroot`
@@ -336,7 +386,7 @@ JSON 使用 camelCase。静态站点来自 `wwwroot`。
### 自己加插件 ### 自己加插件
1. 新建 `plugins/你的插件/`,写 `plugin.json` 和启动程序。 1. 新建 `plugins/你的插件/`,写 `plugin.json` 和启动程序。
2. 若要随宿主一起编译,可仿照 `MAF1.csproj` 增加 `ProjectReference``ReferenceOutputAssembly=false`)和 `PublishPluginFolders` 复制规则。 2. 若要随网页宿主一起编译,可仿照 `MAF1.Web.csproj` 增加 `ProjectReference``ReferenceOutputAssembly=false`)和 `PublishPluginFolders` 复制规则。
3. `id` 不要与系统节点类型冲突;若同名,目录会标记覆盖关系。 3. `id` 不要与系统节点类型冲突;若同名,目录会标记覆盖关系。
4. 重启宿主或点「刷新节点」,确认 `/api/catalog``issues` 为空。 4. 重启宿主或点「刷新节点」,确认 `/api/catalog``issues` 为空。
@@ -345,10 +395,10 @@ JSON 使用 camelCase。静态站点来自 `wwwroot`。
## 架构 ## 架构
``` ```
浏览器 wwwroot 浏览器 MAF1.Web/wwwroot
│ REST │ REST
ASP.NET Minimal API (Program.cs) MAF1.Web Program.csMinimal API
AgentRuntime AgentRuntime
@@ -359,11 +409,11 @@ AgentRuntime
└── PluginProcessRunner 子进程 stdin/stdout └── PluginProcessRunner 子进程 stdin/stdout
``` ```
CLI 不走画布,直接 控制台项目不走画布:
`CliHost``CityWeatherWorkflow`node / edge)→ `WorkflowOrchestration` 把 Workflow 事件打到控制台 `MAF1``CliHost``CityWeatherWorkflow`node / edge)→ `WorkflowOrchestration`。缺城市时走 `RequestPort`,与网页同一套默认方案 + 超时
`MAF1.Core`宿主与插件共用,避免两套 Agent 逻辑分叉。 `MAF1.Core`控制台、网页与插件共用,避免两套 Agent 逻辑分叉。
--- ---
@@ -377,9 +427,9 @@ CLI 不走画布,直接:
北京 北京
``` ```
`Data/not-cities.txt`:不含有效城市,用于验证「无城市则不查天气」。 `Data/not-cities.txt`:不含有效城市,用于验证「无城市则询问后默认不查天气」。
这些文件会随构建复制到输出目录。CLI 传入相对路径时,请在仓库根目录(或已复制 Data 的输出目录下运行。 这些文件会随构建复制到各项目输出目录。CLI 传入相对路径时,请在仓库根目录`--project MAF1` 运行,或在已复制 Data 的输出目录下运行。
--- ---
@@ -389,7 +439,7 @@ CLI 不走画布,直接:
`Llm:ApiKey` 和环境变量都为空。按「快速开始」配置后重启。 `Llm:ApiKey` 和环境变量都为空。按「快速开始」配置后重启。
**画布上看不到插件** **画布上看不到插件**
插件必须出现在 **exe 旁边**`plugins/`。先 `dotnet build`,确认 `bin/Debug/net10.0/plugins/file-city/plugin.json` 存在。源码目录里的 `plugins/` 不会被运行时直接扫描。 插件必须出现在 **MAF1.Web.exe 旁边**`plugins/`。先 `dotnet build MAF1.Web/MAF1.Web.csproj`,确认 `MAF1.Web/bin/Debug/net10.0/plugins/file-city/plugin.json` 存在。源码目录里的 `plugins/` 不会被运行时直接扫描。
**插件超时或卡住** **插件超时或卡住**
加大 `timeoutSeconds`;确认 LLM 与天气 HTTP 可访问;日志看 stderr。 加大 `timeoutSeconds`;确认 LLM 与天气 HTTP 可访问;日志看 stderr。
@@ -401,7 +451,7 @@ CLI 不走画布,直接:
项目带 `app.manifest` 并在入口启用 UTF-8。若仍乱码,把终端代码页设为 UTF-8。 项目带 `app.manifest` 并在入口启用 UTF-8。若仍乱码,把终端代码页设为 UTF-8。
**端口被占用** **端口被占用**
当前 URL 写死为 `127.0.0.1:5288`。关掉占用进程,或临时改 `Program.cs` / `launchSettings.json` 当前 URL 写死为 `127.0.0.1:5288`。关掉占用进程,或临时改 `MAF1.Web/Program.cs` / `MAF1.Web/Properties/launchSettings.json`
**没有自动化测试 / Docker** **没有自动化测试 / Docker**
仓库目前没有测试项目和容器文件。验证方式:UI 示例图 + CLI `node` / `edge` 仓库目前没有测试项目和容器文件。验证方式:UI 示例图 + CLI `node` / `edge`
-287
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@@ -1,287 +0,0 @@
using System.Text.Json;
using MAF1.Agents;
using MAF1.Agents.FileCity;
using MAF1.Agents.Weather;
using MAF1.PluginContract;
using MAF1.Plugins;
using Microsoft.Agents.AI;
namespace MAF1.Web;
public sealed class ConfigurableWorkflowRunner(
AIAgent fileCityAgent,
AIAgent weatherAgent,
NodeCatalogService catalog,
PluginProcessRunner plugins)
{
private static readonly HashSet<string> ReservedConfigKeys = new(StringComparer.OrdinalIgnoreCase)
{
"credentialId",
};
public async Task<WorkflowRunResult> RunAsync(WorkflowGraph graph, CancellationToken cancellationToken)
{
try
{
Validate(graph);
NodeCatalogSnapshot snapshot = catalog.Load();
List<string> order = TopologicalOrder(graph);
Dictionary<string, Dictionary<string, object?>> outputs = [];
List<NodeRunLog> steps = [];
foreach (string nodeId in order)
{
WorkflowNode node = graph.Nodes.First(n => n.Id == nodeId);
Dictionary<string, object?> inputs = ResolveInputs(graph, node, outputs);
if (!PassEdgeConditions(graph, node, outputs, out string? skipReason))
{
steps.Add(new NodeRunLog
{
NodeId = node.Id,
Type = node.Type,
Title = node.Title,
Skipped = true,
Message = skipReason,
Inputs = inputs,
});
continue;
}
NodeRunLog log = await RunNodeAsync(snapshot, node, inputs, cancellationToken);
steps.Add(log);
outputs[node.Id] = log.Outputs;
}
return new WorkflowRunResult { Ok = true, Steps = steps };
}
catch (Exception ex)
{
return new WorkflowRunResult { Ok = false, Error = ex.Message };
}
}
private async Task<NodeRunLog> RunNodeAsync(
NodeCatalogSnapshot snapshot,
WorkflowNode node,
Dictionary<string, object?> inputs,
CancellationToken cancellationToken)
{
LoadedPlugin? plugin = snapshot.LoadedPlugins
.FirstOrDefault(p => p.Manifest.Id.Equals(node.Type, StringComparison.OrdinalIgnoreCase));
if (plugin is not null)
{
return await RunPluginAsync(plugin, node, inputs, cancellationToken);
}
AgentTypeInfo? system = AgentCatalog.FindSystem(node.Type)
?? snapshot.System.FirstOrDefault(item => item.Type.Equals(node.Type, StringComparison.OrdinalIgnoreCase));
if (system is not null)
{
AgentStepResult step = system.Handler switch
{
SystemHandler.FileCity => await FileCityAgent.RunAsync(fileCityAgent, inputs, cancellationToken),
SystemHandler.Weather => await WeatherAgent.RunAsync(weatherAgent, inputs, cancellationToken),
_ => throw new InvalidOperationException(
$"系统节点 `{system.Type}` 在 AgentCatalog 里没有绑定实现。请给它设置 Handler。"),
};
return ToLog(node, step);
}
throw new InvalidOperationException(
$"未找到节点类型 `{node.Type}`。系统节点来自 AgentCatalog,插件节点来自 plugins 目录,请点「刷新节点」。");
}
private async Task<NodeRunLog> RunPluginAsync(
LoadedPlugin plugin,
WorkflowNode node,
Dictionary<string, object?> inputs,
CancellationToken cancellationToken)
{
Dictionary<string, object?> declared = FilterDeclaredInputs(plugin.Manifest, inputs);
node.Config.TryGetValue("credentialId", out string? credentialId);
Dictionary<string, object?> outputs = await plugins.RunAsync(plugin, declared, credentialId, cancellationToken);
string? stderr = null;
if (outputs.Remove("_stderr", out object? stderrValue))
{
stderr = stderrValue?.ToString();
}
return new NodeRunLog
{
NodeId = node.Id,
Type = node.Type,
Title = node.Title,
Message = stderr,
Inputs = declared,
Outputs = outputs,
};
}
private static NodeRunLog ToLog(WorkflowNode node, AgentStepResult step)
=> new()
{
NodeId = node.Id,
Type = node.Type,
Title = node.Title,
Message = step.Message,
Inputs = step.Inputs,
Outputs = step.Outputs,
};
private static Dictionary<string, object?> FilterDeclaredInputs(PluginManifest manifest, Dictionary<string, object?> inputs)
{
Dictionary<string, object?> declared = new(StringComparer.OrdinalIgnoreCase);
foreach (PluginPort port in manifest.Inputs)
{
if (inputs.TryGetValue(port.Name, out object? value))
{
declared[port.Name] = value;
}
}
return declared;
}
private static void Validate(WorkflowGraph graph)
{
if (graph.Nodes.Count == 0)
{
throw new InvalidOperationException("画布上还没有节点。");
}
HashSet<string> ids = graph.Nodes.Select(n => n.Id).ToHashSet();
foreach (WorkflowEdge edge in graph.Edges)
{
if (!ids.Contains(edge.From) || !ids.Contains(edge.To))
{
throw new InvalidOperationException("存在指向已删除节点的连线。");
}
}
}
private static List<string> TopologicalOrder(WorkflowGraph graph)
{
Dictionary<string, int> indegree = graph.Nodes.ToDictionary(n => n.Id, _ => 0);
Dictionary<string, List<string>> outgoing = graph.Nodes.ToDictionary(n => n.Id, _ => new List<string>());
foreach (WorkflowEdge edge in graph.Edges)
{
indegree[edge.To]++;
outgoing[edge.From].Add(edge.To);
}
Queue<string> ready = new(indegree.Where(kv => kv.Value == 0).Select(kv => kv.Key));
List<string> order = [];
while (ready.Count > 0)
{
string id = ready.Dequeue();
order.Add(id);
foreach (string next in outgoing[id].Distinct())
{
indegree[next]--;
if (indegree[next] == 0)
{
ready.Enqueue(next);
}
}
}
if (order.Count != graph.Nodes.Count)
{
throw new InvalidOperationException("工作流存在环,无法运行。");
}
return order;
}
private static Dictionary<string, object?> ResolveInputs(
WorkflowGraph graph,
WorkflowNode node,
Dictionary<string, Dictionary<string, object?>> outputs)
{
Dictionary<string, object?> inputs = new(StringComparer.OrdinalIgnoreCase);
foreach (KeyValuePair<string, string> item in node.Config)
{
if (ReservedConfigKeys.Contains(item.Key) || string.IsNullOrWhiteSpace(item.Value))
{
continue;
}
inputs[item.Key] = item.Value;
}
foreach (WorkflowEdge edge in graph.Edges.Where(e => e.To == node.Id))
{
if (!outputs.TryGetValue(edge.From, out Dictionary<string, object?>? source))
{
continue;
}
if (source.TryGetValue(edge.FromPort, out object? value))
{
inputs[edge.ToPort] = value;
}
}
return inputs;
}
private static bool PassEdgeConditions(
WorkflowGraph graph,
WorkflowNode node,
Dictionary<string, Dictionary<string, object?>> outputs,
out string? skipReason)
{
List<WorkflowEdge> incoming = graph.Edges.Where(e => e.To == node.Id).ToList();
if (incoming.Count == 0)
{
skipReason = null;
return true;
}
foreach (WorkflowEdge edge in incoming)
{
if (string.IsNullOrWhiteSpace(edge.When))
{
continue;
}
if (!outputs.TryGetValue(edge.From, out Dictionary<string, object?>? source))
{
skipReason = $"上一节点 {edge.From} 尚未产出结果。";
return false;
}
bool hasCities = ReadBool(source, "hasValidCities");
bool pass = edge.When switch
{
"hasValidCities" => hasCities,
"!hasValidCities" => !hasCities,
_ => true,
};
if (!pass)
{
skipReason = $"连线条件 {edge.When} 不满足,跳过本节点。";
return false;
}
}
skipReason = null;
return true;
}
private static bool ReadBool(Dictionary<string, object?> map, string key)
{
if (!map.TryGetValue(key, out object? value) || value is null)
{
return false;
}
return value switch
{
bool b => b,
JsonElement el when el.ValueKind == JsonValueKind.True => true,
JsonElement el when el.ValueKind == JsonValueKind.False => false,
_ => bool.TryParse(value.ToString(), out bool parsed) && parsed,
};
}
}
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@@ -1,28 +0,0 @@
using MAF1.Agents.FileCity;
using Microsoft.Agents.AI.Workflows;
namespace MAF1.Workflows;
/// <summary>
/// 只有「没有城市」那条边会进到这里,所以这里不再判断。
/// </summary>
internal sealed class SkipWeatherExecutor() : Executor<CityExtraction>("SkipWeather")
{
protected override ProtocolBuilder ConfigureProtocol(ProtocolBuilder builder)
{
return base.ConfigureProtocol(builder).YieldsOutput<string>();
}
public override async ValueTask HandleAsync(
CityExtraction extraction,
IWorkflowContext context,
CancellationToken cancellationToken = default)
{
string reason = string.IsNullOrWhiteSpace(extraction.Reason)
? "文件里没有可查询的城市。"
: extraction.Reason;
await context.YieldOutputAsync(
$"没有有效城市,工作流结束,不执行 WeatherAgent。{reason}",
cancellationToken);
}
}