uz801: Update installer usb backdoor trigger code

installer/src/uz801.rs

@@ -53,13 +53,30 @@ async fn run_install(admin_ip: String) -> Result<()> {
 }
 
 pub async fn activate_usb_debug(admin_ip: &str) -> Result<()> {
-    let url = format!("http://{}/usbdebug.html", admin_ip);
-    let client = reqwest::Client::new();
-    let response = client.get(&url).send().await?;
-
-    if !response.status().is_success() {
-        anyhow::bail!("Failed to activate USB debug: HTTP {}", response.status());
-    }
+    let url = format!("http://{}/ajax", admin_ip);
+    let referer = format!("http://{}/usbdebug.html", admin_ip);
+    let origin = format!("http://{}", admin_ip);
+    
+    let _handle = tokio::spawn(async move {
+        let client = reqwest::Client::builder()
+            .timeout(Duration::from_secs(5))
+            .build()
+            .unwrap();
+            
+        let _response = client
+            .post(&url)
+            .header("Accept", "application/json, text/javascript, */*; q=0.01")
+            .header("Accept-Encoding", "gzip, deflate")
+            .header("Referer", &referer)
+            .header("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8")
+            .header("X-Requested-With", "XMLHttpRequest")
+            .header("Origin", &origin)
+            .header("Connection", "keep-alive")
+            .body(r#"{"funcNo":2001}"#)
+            .send()
+            .await;
+        // Ignore any errors - the device will reboot and connection will be lost
+    });
 
     Ok(())
 }