fix: keep large approval batches observable

src/bridge.ts

@@ -37,6 +37,8 @@ export const APPROVAL_ONBOARDING_EXAMPLES = [
   "先列出待办，我确认后同意指定的几张",
 ] as const;
 
+const REMOTE_WRITE_TIMEOUT_MS = 45_000;
+
 class AuthRequired extends Error {
   constructor(readonly challenge: NonNullable<BridgeState["device"]>) { super("需要钉钉登录"); }
 }
@@ -83,7 +85,14 @@ export class RemoteBridge {
     return this.withCallSlot(async () => {
       try {
         const client = await this.remoteClient();
-        return this.appendOnboarding(await client.callTool({ name, arguments: args }));
+        try {
+          const options = name === "approval_process_batch" ? { timeout: REMOTE_WRITE_TIMEOUT_MS } : undefined;
+          return this.appendOnboarding(await client.callTool({ name, arguments: args }, undefined, options));
+        } catch (error) {
+          const uncertain = bridgeWriteOutcomeUncertainResult(name, args);
+          if (uncertain) return uncertain;
+          throw error;
+        }
       } catch (error) {
         if (error instanceof AuthRequired) return this.authResult(error.challenge);
         throw error;
@@ -362,6 +371,40 @@ export function bridgeAuthToolResult(result: BridgeLoginResult) {
   return { content, structuredContent: { result } };
 }
 
+export function bridgeWriteOutcomeUncertainResult(name: string, args: Record<string, unknown>) {
+  if (name !== "approval_process_batch") return undefined;
+  const requestedItems = Array.isArray(args.items)
+    ? args.items.filter((item): item is Record<string, unknown> => Boolean(item) && typeof item === "object" && !Array.isArray(item))
+    : [];
+  const selectionUsed = requestedItems.length === 0 && typeof args.selectionId === "string";
+  const message = "审批写请求超过 bridge 等待时间或连接中断，操作可能已经到达网关；禁止自动重试，请重新列出实时待办核对。";
+  const results = requestedItems.map((item, index) => ({
+    index: index + 1,
+    ...(typeof item.approvalId === "string" ? { approvalId: item.approvalId } : {}),
+    status: "outcome_uncertain",
+    outcomeUncertain: true,
+    success: false,
+    message,
+  }));
+  const result = {
+    action: args.action,
+    status: "outcome_uncertain",
+    outcomeUncertain: true,
+    total: selectionUsed ? null : requestedItems.length,
+    uncertain: selectionUsed ? null : requestedItems.length,
+    ...(selectionUsed ? { targetCount: "unknown" } : {}),
+    succeeded: 0,
+    failed: 0,
+    results,
+    requiresRelist: true,
+    retryable: false,
+  };
+  return {
+    content: [{ type: "text" as const, text: `${message}\n${JSON.stringify(result)}` }],
+    structuredContent: { result },
+  };
+}
+
 function isAuthenticationFailure(error: unknown): boolean {
   const record = error && typeof error === "object" ? error as Record<string, unknown> : {};
   const status = Number(record.status ?? record.statusCode ?? record.code);