fix: restore static workstation IP for local connection snippets and service urls

frontend/src/lib/utils.ts

@@ -7,9 +7,5 @@ export function cn(...inputs: ClassValue[]) {
 
 export function resolveExternalUrl(url?: string): string {
   if (!url) return ""
-  const currentHostname = window.location.hostname
-  if (currentHostname !== "127.0.0.1" && currentHostname !== "localhost" && currentHostname !== "") {
-    return url.replace(/127\.0\.0\.1|localhost/g, currentHostname)
-  }
-  return url
+  return url.replace(/127\.0\.0\.1|localhost/g, "192.168.178.151")
 }

frontend/src/views/ConnectView.tsx

@@ -4,13 +4,7 @@ import { api, type ConnectResp } from "@/lib/api"
 import { cn } from "@/lib/utils"
 
 export function ConnectView() {
-  const [host, setHost] = useState(() => {
-    const saved = localStorage.getItem("mc_host")
-    if (saved) return saved
-    const hn = window.location.hostname
-    if (hn && hn !== "localhost" && hn !== "127.0.0.1") return hn
-    return "192.168.178.151"
-  })
+  const [host, setHost] = useState(localStorage.getItem("mc_host") || "192.168.178.151")
   const [mcpPath, setMcpPath] = useState(localStorage.getItem("mc_mcp_path") || "")
   const [data, setData] = useState<ConnectResp | null>(null)
   const [active, setActive] = useState("cline")

frontend/src/views/GuideView.tsx

@@ -7,11 +7,7 @@ export function GuideView() {
   const [activeTab, setActiveTab] = useState<"roocode" | "cursor" | "opencode">("roocode")
   const [health, setHealth] = useState<Health | null>(null)
   
-  const currentHost = (() => {
-    const hn = window.location.hostname
-    if (hn && hn !== "localhost" && hn !== "127.0.0.1") return hn
-    return "192.168.178.151"
-  })()
+  const currentHost = "192.168.178.151"
 
   const [testing, setTesting] = useState(false)
   const [testResult, setTestResult] = useState<string | null>(null)