feat: ValueMatcher 支持 primitive 原始值简写，等价于 { equals: value }

tests/server/checker/runner/db/validate.test.ts

@@ -49,13 +49,13 @@ describe("validateDbConfig", () => {
     expect(unknownError!.code).toBe("unknown-field");
   });
 
-  test("expect.durationMs 非 matcher 返回错误", () => {
+  test("expect.durationMs 数组简写返回错误", () => {
     const result = validateDbConfig({
       defaults: {},
       targets: [
         {
           db: { url: "sqlite://:memory:" },
-          expect: { durationMs: "invalid" },
+          expect: { durationMs: [1, 2] },
           id: "test",
           name: "test",
           type: "db",