Expect single explicit version for single-version range

src/lib/utils/mcVersion.test.ts

@@ -50,7 +50,7 @@ describe("computeVersionRanges", () => {
       ALL_AVAILABLE,
     );
     expect(result[0].range).toEqual(["1.20.3"]);
-    expect(result[0].explicit).toBe("1.20.3-1.20.3");
+    expect(result[0].explicit).toBe("1.20.3");
   });
 
   test("最后版本：自动泛匹配 1.x", () => {