初始提交

2026-08-26 18:06:02 +08:00
commit 5544788917
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+using MAF1.Tools;
+using MAF1.Utils;
+using Microsoft.Agents.AI;
+using Microsoft.Extensions.AI;
+
+namespace MAF1.Agents.Weather;
+
+public static class WeatherAgent
+{
+    public static AIAgent Create(AgentFactory factory, WeatherTools weatherTools)
+    {
+        return factory.CreateAgent(
+            name: "WeatherAgent",
+            instructions:
+            """
+            你负责查询天气。用户给出的每个城市都必须调用一次 GetWeather，不要编造天气。
+            用中文汇总所有城市的天气。
+            """,
+            tools: [AIFunctionFactory.Create(weatherTools.GetWeather)]);
+    }
+
+    public static async Task<AgentStepResult> RunAsync(
+        AIAgent agent,
+        IReadOnlyDictionary<string, object?> inputs,
+        CancellationToken cancellationToken = default)
+    {
+        List<string> cities = AgentInputs.ReadStringList(inputs, "cities");
+        if (cities.Count == 0)
+        {
+            throw new InvalidOperationException("输入 cities 为空。请把上一节点的 cities 连到本节点的 cities。");
+        }
+
+        AgentResponse response = await agent.RunAsync(
+            $"请查询这些城市的天气：{string.Join("、", cities)}",
+            cancellationToken: cancellationToken);
+        return new AgentStepResult
+        {
+            Message = response.Text,
+            Inputs = new Dictionary<string, object?> { ["cities"] = cities },
+            Outputs = new Dictionary<string, object?> { ["summary"] = response.Text },
+        };
+    }
+}