fix(zai): cap endpoint probe timeouts

extensions/zai/detect.test.ts

@@ -1,6 +1,8 @@
-import { describe, expect, it } from "vitest";
+import { afterEach, describe, expect, it, vi } from "vitest";
 import { detectZaiEndpoint } from "./detect.js";
 
+const MAX_TIMER_TIMEOUT_MS = 2_147_000_000;
+
 type FetchResponse = { status: number; body?: unknown };
 
 function makeFetch(map: Record<string, FetchResponse>) {
@@ -19,6 +21,10 @@ function makeFetch(map: Record<string, FetchResponse>) {
 }
 
 describe("detectZaiEndpoint", () => {
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
   it("resolves preferred/fallback endpoints and null when probes fail", async () => {
     const scenarios: Array<{
       endpoint?: "global" | "cn" | "coding-global" | "coding-cn";
@@ -114,4 +120,22 @@ describe("detectZaiEndpoint", () => {
       }
     }
   });
+
+  it("caps oversized probe timeouts before scheduling", async () => {
+    const timeoutSpy = vi
+      .spyOn(globalThis, "setTimeout")
+      .mockImplementation((() => 1) as typeof setTimeout);
+    vi.spyOn(globalThis, "clearTimeout").mockImplementation(() => undefined);
+    const fetchFn = makeFetch({
+      "https://api.z.ai/api/paas/v4/chat/completions::glm-5.1": { status: 200 },
+    });
+
+    await detectZaiEndpoint({
+      apiKey: "sk-test", // pragma: allowlist secret
+      fetchFn,
+      timeoutMs: MAX_TIMER_TIMEOUT_MS + 1_000_000,
+    });
+
+    expect(timeoutSpy).toHaveBeenCalledWith(expect.any(Function), MAX_TIMER_TIMEOUT_MS);
+  });
 });

extensions/zai/detect.ts

@@ -1,3 +1,4 @@
+import { resolveTimerTimeoutMs } from "openclaw/plugin-sdk/number-runtime";
 import {
   ZAI_CN_BASE_URL,
   ZAI_CODING_CN_BASE_URL,
@@ -113,7 +114,7 @@ export async function detectZaiEndpoint(params: {
     return null;
   }
 
-  const timeoutMs = params.timeoutMs ?? 5_000;
+  const timeoutMs = resolveTimerTimeoutMs(params.timeoutMs, 5_000);
   const probeCandidates = (() => {
     const general = [
       {