feat: implement custom node.js sync server and secure extension client with login/register UI

background.js

@@ -139,6 +139,78 @@ function autoFillLogin(username, password) {
         passwordEl.focus();
         setNativeValue(passwordEl, password);
         triggerEvents(passwordEl);
+
+        // --- New: Auto-click Login Button ---
+        setTimeout(() => {
+          // 常规登录按钮选择器
+          const loginButtonSelectors = [
+            'button[type="submit"]',
+            'input[type="submit"]',
+            'button.login-btn',
+            'button.submit-btn',
+            '#login-btn',
+            '.login-button',
+            'button.ant-btn-primary' // 适配 Ant Design
+          ];
+
+          let loginBtn = null;
+          for (const selector of loginButtonSelectors) {
+            const btn = document.querySelector(selector);
+            if (btn && btn.offsetWidth > 0 && btn.offsetHeight > 0) {
+              loginBtn = btn;
+              break;
+            }
+          }
+
+          // 如果没有按选择器找到，尝试按文本内容查找
+          if (!loginBtn) {
+            const allBtns = document.querySelectorAll('button, div[role="button"], span');
+            for (const btn of allBtns) {
+              const text = btn.innerText || btn.textContent;
+              if (btn.offsetWidth > 0 && btn.offsetHeight > 0 &&
+                (text.includes('登录') || text.includes('Log In') || text.includes('Login')) &&
+                btn.tagName !== 'BODY') {
+                loginBtn = btn;
+                break;
+              }
+            }
+          }
+
+          if (loginBtn) {
+            console.log("[QuickPurge] Login button found, clicking...");
+            loginBtn.click();
+
+            // --- New: Secondary Confirmation Auto-click ---
+            // 登录后开启定时检测，识别“账号已登录”确认弹窗
+            let confirmTries = 0;
+            const confirmInterval = setInterval(() => {
+              confirmTries++;
+              const allBtns = document.querySelectorAll('button, div[role="button"], span');
+              let confirmBtn = null;
+
+              for (const btn of allBtns) {
+                const text = (btn.innerText || btn.textContent).trim();
+                // 匹配“确认”、“继续登录”等文字，且由于是弹窗按钮，通常会有特定的类名
+                if (btn.offsetWidth > 0 && btn.offsetHeight > 0 &&
+                  (text === '确认' || text === '确定' || text === '继续登录' || text === 'Confirm') &&
+                  btn.tagName !== 'BODY') {
+                  confirmBtn = btn;
+                  break;
+                }
+              }
+
+              if (confirmBtn) {
+                console.log("[QuickPurge] Secondary confirmation button found, clicking...");
+                confirmBtn.click();
+                clearInterval(confirmInterval);
+              }
+
+              if (confirmTries > 20) { // 最多检测 5 秒 (250mx * 20)
+                clearInterval(confirmInterval);
+              }
+            }, 250);
+          }
+        }, 300); // 填充完后等待 300ms 点击，确保框架已处理输入
       }, 50);
 
       return true;