fix: Add debug output and fallback selectors for input field detection

internal/providers/geminiweb/page.go

@@ -55,38 +55,82 @@ func TypeInput(page *rod.Page, text string) error {
 	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
 	defer cancel()
 
-	// 1. 尋找輸入框
+	fmt.Println("[GeminiWeb] Looking for input field...")
+
+	// 1. 嘗試所有選擇器
 	var inputEl *rod.Element
 	var err error
+
 	for _, sel := range inputSelectors {
+		fmt.Printf("  Trying: %s\n", sel)
 		inputEl, err = page.Context(ctx).Element(sel)
 		if err == nil {
+			fmt.Printf("  ✓ Found with: %s\n", sel)
 			break
 		}
 	}
 
 	if err != nil {
-		return fmt.Errorf("input field not found")
+		// 2. Fallback: 嘗試等待頁面載入完成後重試
+		fmt.Println("[GeminiWeb] Waiting for page to fully load...")
+		time.Sleep(3 * time.Second)
+
+		for _, sel := range inputSelectors {
+			fmt.Printf("  Retrying: %s\n", sel)
+			inputEl, err = page.Context(ctx).Element(sel)
+			if err == nil {
+				fmt.Printf("  ✓ Found with: %s\n", sel)
+				break
+			}
+		}
+	}
+
+	if err != nil {
+		// 3. Debug: 印出頁面標題和 URL
+		info, _ := page.Info()
+		fmt.Printf("[GeminiWeb] DEBUG: URL=%s Title=%s\n", info.URL, info.Title)
+
+		// 4. Fallback: 嘗試更通用的選擇器
+		fmt.Println("[GeminiWeb] Trying generic selectors...")
+		genericSelectors := []string{
+			"div[contenteditable]",
+			"[contenteditable]",
+			"textarea",
+			"input[type='text']",
+		}
+
+		for _, sel := range genericSelectors {
+			fmt.Printf("  Trying generic: %s\n", sel)
+			inputEl, err = page.Context(ctx).Element(sel)
+			if err == nil {
+				fmt.Printf("  ✓ Found with: %s\n", sel)
+				break
+			}
+		}
+	}
+
+	if err != nil {
+		info, _ := page.Info()
+		return fmt.Errorf("input field not found after trying all selectors (URL=%s)", info.URL)
 	}
 
 	// 2. Focus 輸入框
+	fmt.Printf("[GeminiWeb] Focusing input field...\n")
 	if err := inputEl.Focus(); err != nil {
 		return fmt.Errorf("failed to focus input: %w", err)
 	}
 
-	time.Sleep(100 * time.Millisecond)
+	time.Sleep(500 * time.Millisecond)
 
-	// 3. 使用 Input 方法（Rod 的正確方式）
+	// 3. 使用 Input 方法
+	fmt.Printf("[GeminiWeb] Typing %d chars...\n", len(text))
 	if err := inputEl.Input(text); err != nil {
 		return fmt.Errorf("failed to input text: %w", err)
 	}
 
-	time.Sleep(100 * time.Millisecond)
+	time.Sleep(200 * time.Millisecond)
-
-	// 4. 觸發 Enter 觸發事件
-	_ = inputEl.SelectAllText()
-	_ = page.Keyboard.Press('\r') // Enter key
 
+	fmt.Println("[GeminiWeb] Input complete")
 	return nil
 }