From f6f3eecdb3ce21ccdccd8b2c10a74ebd47ad809e Mon Sep 17 00:00:00 2001
From: mbelinky <mbelinky@users.noreply.github.com>
Date: Thu, 19 Feb 2026 10:34:04 +0100
Subject: [PATCH] LINE/Test: tighten temp path type guard (openclaw#20792)
 thanks @mbelinky

---
 src/line/download.test.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/line/download.test.ts b/src/line/download.test.ts
index 7354491b71..2e64473b73 100644
--- a/src/line/download.test.ts
+++ b/src/line/download.test.ts
@@ -45,6 +45,9 @@ describe("downloadLineMedia", () => {
     expect(result.size).toBe(jpeg.length);
     expect(result.contentType).toBe("image/jpeg");
     expect(typeof writtenPath).toBe("string");
+    if (typeof writtenPath !== "string") {
+      throw new Error("expected string temp file path");
+    }
     expect(result.path).toBe(writtenPath);
     expect(writtenPath).toContain("line-media-");
     expect(writtenPath).toMatch(/\.jpg$/);