Fix input field focus with proper selectors for duck.ai

app/src/main/java/com/duckai/app/web/MainActivity.kt

@@ -87,18 +87,61 @@ class MainActivity : AppCompatActivity() {
         
         webView.webViewClient = object : WebViewClient() {
             override fun onPageFinished(view: WebView?, url: String?) {
-                view?.postDelayed({
+                view?.postDelayed({ tryFocusInput(view) }, 2000)
-                    view.evaluateJavascript(
-                        "setTimeout(() => {" +
-                        "  const input = document.querySelector('input[type=\"text\"], textarea[id*=\"message\"], [role=\"combobox\"], input[type=\"file\"]');" +
-                        "  if(input) { input.focus(); input.click(); }" +
-                        "}, 100);"
-                    ) { _ -> }
-                }, 800)
             }
         }
     }
-
+    
+    private fun tryFocusInput(view: WebView?) {
+        view?.evaluateJavascript(
+            "(function() {" +
+            "  const selectors = [" +
+            "    'textarea[name=\"user-prompt\"]'," +
+            "    'textarea[placeholder=\"Ask privately\"]'," +
+            "    'textarea.JRDRiEf5NPKWK43sArdC'," +
+            "    'textarea[id*=\"message\"]'," +
+            "    'textarea[name*=\"message\"]'," +
+            "    'textarea[placeholder*=\"Сообщ\"]'," +
+            "    'textarea[placeholder*=\"Message\"]'," +
+            "    'textarea[data-id]'," +
+            "    'div[contenteditable=\"true\"]'," +
+            "    'div[role=\"textbox\"]'" +
+            "  ];" +
+            "  " +
+            "  for (const sel of selectors) {" +
+            "    const el = document.querySelector(sel);" +
+            "    if (el && el.offsetParent !== null) {" +
+            "      el.style.visibility = 'visible';" +
+            "      el.style.display = 'block';" +
+            "      el.scrollIntoView({block: 'center', behavior: 'instant'});" +
+            "      el.focus();" +
+            "      if (el.tagName === 'TEXTAREA' && el.setSelectionRange) {" +
+            "        el.setSelectionRange(el.value?.length || 0, el.value?.length || 0);" +
+            "      }" +
+            "      return 'FOUND: ' + sel;" +
+            "    }" +
+            "  }" +
+            "  " +
+            "  const allTextareas = document.querySelectorAll('textarea');" +
+            "  for (const el of allTextareas) {" +
+            "    if (el.offsetParent !== null && el.clientHeight > 20) {" +
+            "      el.style.visibility = 'visible';" +
+            "      el.style.display = 'block';" +
+            "      el.scrollIntoView({block: 'center', behavior: 'instant'});" +
+            "      el.focus();" +
+            "      return 'FOUND fallback: ' + el.name + ' class=' + el.className;" +
+            "    }" +
+            "  }" +
+            "  " +
+            "  return 'NOT FOUND';" +
+            "})();"
+        ) { result ->
+            if (result?.contains("NOT FOUND") == true) {
+                android.util.Log.d("DuckAI", "Focus result: $result")
+            }
+        }
+    }
+    
     private fun checkPermissionAndOpenPicker() {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
             openFilePicker()
@@ -154,9 +197,20 @@ class MainActivity : AppCompatActivity() {
         webView.loadUrl(url)
         
         window.decorView.postDelayed({
-            webView.requestFocus()
+            requestFocusAndShowKeyboard()
+        }, 1200)
+    }
+    
+    private fun requestFocusAndShowKeyboard() {
+        webView.requestFocus()
+        
+        // Try to focus input field
+        tryFocusInput(webView)
+        
+        // Show keyboard after JS
+        window.decorView.postDelayed({
             showKeyboard()
-        }, 800)
+        }, 500)
     }
 
     private fun showKeyboard() {
@@ -184,9 +238,8 @@ class MainActivity : AppCompatActivity() {
             val url = "$BASE_URL/?q=${Uri.encode(query)}"
             webView.loadUrl(url)
             webView.postDelayed({
-                webView.requestFocus()
+                requestFocusAndShowKeyboard()
-                showKeyboard()
+            }, 1200)
-            }, 1000)
         }
     }