Update src/core/prompts/__tests__/custom-system-prompt.spec.ts

Co-authored-by: roomote[bot] <219738659+roomote[bot]@users.noreply.github.com>

Author: mrubens

src/core/prompts/__tests__/custom-system-prompt.spec.ts

@@ -83,6 +83,7 @@ describe("File-Based Custom System Prompt", () => {
 		mockedFs.readFile.mockRejectedValue({ code: "ENOENT" })
 	})
 
+	// Skipped on Windows due to timeout issues - see issue #XXX for investigation
 	it.skipIf(process.platform === "win32")(
 		"should use default generation when no file-based system prompt is found",
 		async () => {