feat(app): default servers on web

packages/app/src/app.tsx

@@ -14,7 +14,7 @@ import { GlobalSyncProvider } from "@/context/global-sync"
 import { PermissionProvider } from "@/context/permission"
 import { LayoutProvider } from "@/context/layout"
 import { GlobalSDKProvider } from "@/context/global-sdk"
-import { ServerProvider, useServer } from "@/context/server"
+import { normalizeServerUrl, ServerProvider, useServer } from "@/context/server"
 import { SettingsProvider } from "@/context/settings"
 import { TerminalProvider } from "@/context/terminal"
 import { PromptProvider } from "@/context/prompt"
@@ -85,8 +85,19 @@ function ServerKey(props: ParentProps) {
 }
 
 export function AppInterface(props: { defaultUrl?: string }) {
+  const platform = usePlatform()
+
+  const stored = (() => {
+    if (platform.platform !== "web") return
+    const result = platform.getDefaultServerUrl?.()
+    if (result instanceof Promise) return
+    if (!result) return
+    return normalizeServerUrl(result)
+  })()
+
   const defaultServerUrl = () => {
     if (props.defaultUrl) return props.defaultUrl
+    if (stored) return stored
     if (location.hostname.includes("opencode.ai")) return "http://localhost:4096"
     if (import.meta.env.DEV)
       return `http://${import.meta.env.VITE_OPENCODE_SERVER_HOST ?? "localhost"}:${import.meta.env.VITE_OPENCODE_SERVER_PORT ?? "4096"}`