feat: WS checker，支持可达性检测和单次请求-响应交互验证

tests/server/checker/runner/ws/schema.test.ts

@@ -0,0 +1,22 @@
+import { describe, expect, test } from "bun:test";
+
+import { checkerRegistry } from "../../../../../src/server/checker/runner";
+
+describe("WsChecker schema", () => {
+  const checker = checkerRegistry.tryGet("ws");
+
+  test("ws checker 注册到 registry", () => {
+    expect(checker).toBeDefined();
+    expect(checker?.type).toBe("ws");
+    expect(checker?.configKey).toBe("ws");
+  });
+
+  test("schemas 包含 authoring 和 normalized config/expect", () => {
+    expect(checker).toBeDefined();
+    expect(Object.keys(checker!.schemas).sort()).toEqual(["authoring", "normalized"].sort());
+    expect(checker!.schemas.authoring.config).toBeDefined();
+    expect(checker!.schemas.authoring.expect).toBeDefined();
+    expect(checker!.schemas.normalized.config).toBeDefined();
+    expect(checker!.schemas.normalized.expect).toBeDefined();
+  });
+});