feat: Implement S2A OAuth authorization using chromedp and introduce new files for browser automation and team processing.

backend/internal/auth/rod.go

@@ -245,11 +245,28 @@ func (r *RodAuth) CompleteOAuthLogged(authURL, email, password, teamID string, l
 		btn.MustClick()
 	}
 
-	time.Sleep(1500 * time.Millisecond)
+	// 等待页面跳转（等待 URL 变化或密码框出现，最多 10 秒）
+	passwordSelector := "input[name='current-password'], input[autocomplete='current-password'], input[type='password'], input[name='password'], input[id='password']"
+	var passwordFound bool
+	for i := 0; i < 20; i++ {
+		time.Sleep(500 * time.Millisecond)
 
-	if code := r.checkForCode(page); code != "" {
-		logStep(StepComplete, "授权成功")
-		return code, nil
+		if code := r.checkForCode(page); code != "" {
+			logStep(StepComplete, "授权成功")
+			return code, nil
+		}
+
+		info, _ = page.Info()
+		// 检查是否有密码输入框（页面已跳转）
+		if pwdInput, _ := page.Timeout(100 * time.Millisecond).Element(passwordSelector); pwdInput != nil {
+			passwordFound = true
+			break
+		}
+
+		// 如果 URL 已经变化（包含 password），也跳出
+		if strings.Contains(info.URL, "password") {
+			break
+		}
 	}
 
 	// 获取当前URL用于调试
@@ -257,7 +274,12 @@ func (r *RodAuth) CompleteOAuthLogged(authURL, email, password, teamID string, l
 	logStep(StepInputPassword, "查找密码框 | URL: %s", info.URL)
 
 	// 使用10秒超时查找密码输入框（优先使用 current-password）
-	passwordInput, err := page.Timeout(10 * time.Second).Element("input[name='current-password'], input[autocomplete='current-password'], input[type='password'], input[name='password'], input[id='password']")
+	var passwordInput *rod.Element
+	if passwordFound {
+		passwordInput, err = page.Timeout(2 * time.Second).Element(passwordSelector)
+	} else {
+		passwordInput, err = page.Timeout(10 * time.Second).Element(passwordSelector)
+	}
 	if err != nil {
 		info, _ := page.Info()
 		logError(StepInputPassword, "未找到密码输入框 | URL: %s", info.URL)