refactor(openclaw): extract gateway url validator

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/openclaw/config.ts

@@ -3,6 +3,7 @@ import type {
   OpenClawGateway,
   OpenClawReplyListenerConfig,
 } from "./types"
+export { validateGatewayUrl } from "./gateway-url-validation"
 
 const DEFAULT_REPLY_POLL_INTERVAL_MS = 3000
 const MIN_REPLY_POLL_INTERVAL_MS = 500
@@ -97,22 +98,3 @@ export function resolveGateway(
 
   return { gatewayName: mapping.gateway, gateway, instruction: mapping.instruction }
 }
-
-export function validateGatewayUrl(url: string): boolean {
-  try {
-    const parsed = new URL(url)
-    if (parsed.protocol === "https:") return true
-    if (
-      parsed.protocol === "http:" &&
-      (parsed.hostname === "localhost" ||
-        parsed.hostname === "127.0.0.1" ||
-        parsed.hostname === "::1" ||
-        parsed.hostname === "[::1]")
-    ) {
-      return true
-    }
-    return false
-  } catch {
-    return false
-  }
-}

src/openclaw/dispatcher.ts

@@ -1,5 +1,5 @@
 import { spawn } from "bun"
-import { validateGatewayUrl } from "./config"
+import { validateGatewayUrl } from "./gateway-url-validation"
 import type { OpenClawGateway, WakeResult } from "./types"
 
 const DEFAULT_HTTP_TIMEOUT_MS = 10_000

src/openclaw/gateway-url-validation.ts

@@ -0,0 +1,18 @@
+export function validateGatewayUrl(url: string): boolean {
+  try {
+    const parsed = new URL(url)
+    if (parsed.protocol === "https:") return true
+    if (
+      parsed.protocol === "http:" &&
+      (parsed.hostname === "localhost" ||
+        parsed.hostname === "127.0.0.1" ||
+        parsed.hostname === "::1" ||
+        parsed.hostname === "[::1]")
+    ) {
+      return true
+    }
+    return false
+  } catch {
+    return false
+  }
+}