feat: WS checker，支持可达性检测和单次请求-响应交互验证

src/server/checker/normalizer.ts

@@ -96,6 +96,8 @@ function normalizeExpect(type: string, expect: unknown): unknown {
       return normalizeTcpExpect(raw);
     case "udp":
       return normalizeUdpExpect(raw);
+    case "ws":
+      return normalizeWsExpect(raw);
     default:
       return expect;
   }
@@ -184,4 +186,14 @@ function normalizeValue(value: unknown): unknown {
   return value;
 }
 
+function normalizeWsExpect(raw: ExpectRecord): ExpectRecord {
+  return compact(raw, {
+    connected: raw["connected"],
+    connectTimeMs: normalizeValue(raw["connectTimeMs"]),
+    durationMs: normalizeValue(raw["durationMs"]),
+    handshakeHeaders: normalizeKeyed(raw["handshakeHeaders"]),
+    message: normalizeContent(raw["message"]),
+  });
+}
+
 export type { AuthoringProbeConfig, NormalizedProbeConfig };