fix: keep large approval batches observable

test/bridge.test.ts

@@ -6,10 +6,49 @@ import test from "node:test";
 import { Client } from "@modelcontextprotocol/sdk/client/index.js";
 import { InMemoryTransport } from "@modelcontextprotocol/sdk/inMemory.js";
 import {
-  APPROVAL_ONBOARDING_EXAMPLES, RemoteBridge, bridgeAuthToolResult, createBridgeMcpServer,
+  APPROVAL_ONBOARDING_EXAMPLES, RemoteBridge, bridgeAuthToolResult, bridgeWriteOutcomeUncertainResult, createBridgeMcpServer,
   syncBundledSkillForLegacyUpdate,
 } from "../src/bridge.js";
 
+test("bridge write timeout fallback remains structured and forbids retries", () => {
+  const result = bridgeWriteOutcomeUncertainResult("approval_process_batch", {
+    action: "approve",
+    items: [{ approvalId: "approval-one" }, { approvalId: "approval-two" }],
+  });
+  assert.equal(result?.structuredContent.result.status, "outcome_uncertain");
+  assert.equal(result?.structuredContent.result.uncertain, 2);
+  assert.equal(result?.structuredContent.result.retryable, false);
+  assert.equal(result?.structuredContent.result.requiresRelist, true);
+  assert.equal(result?.structuredContent.result.results.length, 2);
+  assert.match(result?.content[0]?.text ?? "", /禁止自动重试/);
+  assert.equal(bridgeWriteOutcomeUncertainResult("approval_list_todos", {}), undefined);
+});
+
+test("stdio bridge converts a remote batch timeout into a structured uncertain outcome", async () => {
+  const root = mkdtempSync(join(tmpdir(), "ding-bridge-write-timeout-"));
+  const statePath = join(root, "session.json");
+  writeFileSync(statePath, JSON.stringify({
+    client: { client_id: "bridge-client" },
+    tokens: { access_token: "fresh-access", savedAt: Date.now(), expires_in: 900 },
+  }));
+  const bridge = new RemoteBridge("https://approval.example.test/mcp", statePath, async () => {
+    throw new Error("network should not be used by the injected client");
+  });
+  (bridge as unknown as { client: { callTool(): Promise<unknown>; close(): Promise<void> } }).client = {
+    async callTool() { throw new Error("Request timed out"); },
+    async close() {},
+  };
+
+  const result = await bridge.call("approval_process_batch", {
+    action: "approve",
+    items: [{ approvalId: "approval-one" }],
+  });
+  assert.equal(result.structuredContent.result.status, "outcome_uncertain");
+  assert.equal(result.structuredContent.result.uncertain, 1);
+  assert.equal(result.structuredContent.result.retryable, false);
+  assert.match(result.content[0].text, /重新列出实时待办核对/);
+});
+
 test("legacy updater post-install syncs the complete bundled Skill", () => {
   const root = mkdtempSync(join(tmpdir(), "ding-bridge-skill-sync-"));
   const bundled = join(root, "package", "skill", "dingtalk-approval");