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

tests/server/checker/config-contract/validate.test.ts

@@ -62,6 +62,28 @@ describe("config contract", () => {
     ).toBe(false);
   });
 
+  test("导出 schema 支持 ValueMatcher primitive 简写且拒绝数组对象简写", () => {
+    const ajv = new Ajv({
+      allErrors: true,
+      coerceTypes: false,
+      removeAdditional: false,
+      strict: true,
+      useDefaults: false,
+    });
+    const validate = ajv.compile(createProbeConfigJsonSchema(createDefaultCheckerRegistry()));
+    const target = (durationMs: unknown) => ({
+      targets: [{ expect: { durationMs }, http: { url: "https://example.com" }, id: "api", type: "http" }],
+    });
+
+    expect(validate(target(5000))).toBe(true);
+    expect(validate(target("5000"))).toBe(true);
+    expect(validate(target(null))).toBe(true);
+    expect(validate(target([1, 2]))).toBe(false);
+    expect(validate(target({ foo: "bar" }))).toBe(false);
+    expect(validate(target({ equals: [1, 2] }))).toBe(true);
+    expect(validate(target({ equals: { status: "ok" } }))).toBe(true);
+  });
+
   test("Ajv 错误转换为中文结构化 issue", () => {
     const result = validateProbeConfigContract(
       {