fix: recover subagent waits after transport drops

Fix subagent recovery and session state reconciliation.

Thanks @ZiPengWei.

extensions/feishu/src/channel.test.ts

@@ -892,6 +892,33 @@ describe("normalizeFeishuTarget", () => {
   });
 });
 
+describe("feishuPlugin.messaging.resolveDeliveryTarget", () => {
+  it("routes direct conversations to user targets", () => {
+    expect(
+      feishuPlugin.messaging?.resolveDeliveryTarget?.({
+        conversationId: "ou_123",
+      }),
+    ).toEqual({ to: "user:ou_123" });
+  });
+
+  it("routes group conversations to chat targets", () => {
+    expect(
+      feishuPlugin.messaging?.resolveDeliveryTarget?.({
+        conversationId: "oc_123",
+      }),
+    ).toEqual({ to: "chat:oc_123" });
+  });
+
+  it("routes topic conversations to parent chat plus thread id", () => {
+    expect(
+      feishuPlugin.messaging?.resolveDeliveryTarget?.({
+        conversationId: "oc_123:topic:omt_456",
+        parentConversationId: "oc_123",
+      }),
+    ).toEqual({ to: "chat:oc_123", threadId: "omt_456" });
+  });
+});
+
 describe("looksLikeFeishuId", () => {
   it("accepts provider-prefixed user targets", () => {
     expect(looksLikeFeishuId("feishu:user:ou_123")).toBe(true);

extensions/feishu/src/channel.ts

@@ -1134,6 +1134,20 @@ export const feishuPlugin: ChannelPlugin<ResolvedFeishuAccount, FeishuProbeResul
       setupWizard: feishuSetupWizard,
       messaging: {
         normalizeTarget: (raw) => normalizeFeishuTarget(raw) ?? undefined,
+        resolveDeliveryTarget: ({ conversationId, parentConversationId }) => {
+          const directId = parseFeishuDirectConversationId(conversationId);
+          if (directId) {
+            return { to: `user:${directId}` };
+          }
+          const parsed = parseFeishuConversationId({ conversationId, parentConversationId });
+          if (parsed?.topicId) {
+            return {
+              to: `chat:${parentConversationId?.trim() || parsed.chatId}`,
+              threadId: parsed.topicId,
+            };
+          }
+          return { to: `chat:${parsed?.chatId ?? conversationId.trim()}` };
+        },
         resolveSessionConversation: ({ kind, rawId }) =>
           resolveFeishuSessionConversation({ kind, rawId }),
         resolveOutboundSessionRoute: (params) => resolveFeishuOutboundSessionRoute(params),