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。
2026-08-28 10:43:57 +08:00
parent 5544788917
commit a3cca78592
42 changed files with 1427 additions and 457 deletions
@@ -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");
+}