feat: 更新手机号验证设置UI，优化显示逻辑并添加相关测试

background/phone-verification-flow.js

@@ -4079,15 +4079,21 @@
         if (!normalizedActivation) {
           throw new Error('步骤 2：接码平台返回的手机号订单无效。');
         }
+        const countryConfig = resolveCountryConfigFromActivation(normalizedActivation, state);
+        const signupActivation = normalizeActivation({
+          ...normalizedActivation,
+          countryId: countryConfig?.id ?? normalizedActivation.countryId,
+          countryLabel: normalizedActivation.countryLabel || countryConfig?.label || '',
+        }) || normalizedActivation;
         await persistSignupPhoneRuntimeState({
-          signupPhoneNumber: normalizedActivation.phoneNumber,
-          signupPhoneActivation: normalizedActivation,
+          signupPhoneNumber: signupActivation.phoneNumber,
+          signupPhoneActivation: signupActivation,
           signupPhoneVerificationRequestedAt: null,
           signupPhoneVerificationPurpose: 'signup',
           accountIdentifierType: 'phone',
-          accountIdentifier: normalizedActivation.phoneNumber,
+          accountIdentifier: signupActivation.phoneNumber,
         });
-        return normalizedActivation;
+        return signupActivation;
       });
     }
 

background/signup-flow-helpers.js

@@ -24,6 +24,7 @@
       setEmailState,
       SIGNUP_ENTRY_URL,
       SIGNUP_PAGE_INJECT_FILES,
+      waitForTabStableComplete = null,
       waitForTabUrlMatch,
     } = deps;
 
@@ -139,6 +140,22 @@
         throw new Error(`注册身份提交后未能识别当前页面，既不是密码页、验证码页，也不是资料页。URL: ${landingUrl || 'unknown'}`);
       }
 
+      if (landingState !== 'password_page' && typeof waitForTabStableComplete === 'function') {
+        const stableTab = await waitForTabStableComplete(tabId, {
+          timeoutMs: 45000,
+          retryDelayMs: 300,
+          stableMs: 800,
+          initialDelayMs: 300,
+        });
+        if (stableTab?.url) {
+          const stableState = resolveSignupPostIdentityState(stableTab.url);
+          if (stableState) {
+            landingUrl = stableTab.url;
+            landingState = stableState;
+          }
+        }
+      }
+
       await ensureContentScriptReadyOnTab('signup-page', tabId, {
         inject: SIGNUP_PAGE_INJECT_FILES,
         injectSource: 'signup-page',

background/steps/fetch-signup-code.js

@@ -27,6 +27,7 @@
       shouldUseCustomRegistrationEmail,
       STANDARD_MAIL_VERIFICATION_RESEND_INTERVAL_MS,
       throwIfStopped,
+      waitForTabStableComplete = null,
       phoneVerificationHelpers = null,
       resolveSignupMethod = () => 'email',
     } = deps;
@@ -119,6 +120,16 @@
 
       await chrome.tabs.update(signupTabId, { active: true });
       throwIfStopped();
+      if (typeof waitForTabStableComplete === 'function') {
+        await addLog('步骤 4：等待注册验证码页面完成加载后再继续...', 'info');
+        await waitForTabStableComplete(signupTabId, {
+          timeoutMs: 45000,
+          retryDelayMs: 300,
+          stableMs: 800,
+          initialDelayMs: 300,
+        });
+      }
+      throwIfStopped();
       await addLog('步骤 4：正在确认注册验证码页面是否就绪，必要时自动恢复密码页超时报错...');
 
       const prepareRequest = {