修复小程序生成前订阅授权体验

生成前订阅授权页自动弹出微信授权框

授权返回或跳过后继续执行拼图生成提交

避免订阅页改写上一页 web-view URL 导致回首页

更新订阅消息生成前授权与终态发送文档口径

src/services/wechatMiniProgramSubscribe.ts

@@ -3,6 +3,7 @@ import { isWechatMiniProgramRuntime } from './payment/paymentPlatform';
 const WECHAT_JS_SDK_URL = 'https://res.wx.qq.com/open/js/jweixin-1.6.0.js';
 const SUBSCRIBE_RESULT_HASH_KEY = 'wx_subscribe_result';
 const SUBSCRIBE_RESULT_TIMEOUT_MS = 30_000;
+const SUBSCRIBE_RESULT_RETURN_FALLBACK_MS = 800;
 
 function clearSubscribeResultHash() {
   const rawHash = window.location.hash.replace(/^#/, '');
@@ -39,6 +40,7 @@ function waitSubscribeResultFromHash(timeoutMs = SUBSCRIBE_RESULT_TIMEOUT_MS) {
 
   return new Promise<string | null>((resolve) => {
     let timer: number | null = null;
+    let resumeFallbackTimer: number | null = null;
     const cleanup = () => {
       window.removeEventListener('hashchange', handleHashChange);
       window.removeEventListener('focus', handleResume);
@@ -47,6 +49,9 @@ function waitSubscribeResultFromHash(timeoutMs = SUBSCRIBE_RESULT_TIMEOUT_MS) {
       if (timer !== null) {
         window.clearTimeout(timer);
       }
+      if (resumeFallbackTimer !== null) {
+        window.clearTimeout(resumeFallbackTimer);
+      }
     };
     const finish = (result: string | null) => {
       cleanup();
@@ -70,7 +75,17 @@ function waitSubscribeResultFromHash(timeoutMs = SUBSCRIBE_RESULT_TIMEOUT_MS) {
       ) {
         return;
       }
-      consume();
+      if (consume()) {
+        return;
+      }
+      // 中文注释：订阅授权只影响后续通知，不应阻断生成；原生页返回但没有 hash
+      // 回灌时，按已返回处理，让原本的生成提交流程继续执行。
+      if (resumeFallbackTimer === null) {
+        resumeFallbackTimer = window.setTimeout(
+          () => finish('returned'),
+          SUBSCRIBE_RESULT_RETURN_FALLBACK_MS,
+        );
+      }
     };
 
     window.addEventListener('hashchange', handleHashChange);
@@ -142,7 +157,7 @@ export async function requestGenerationResultSubscribePermission() {
   const requestId = `subscribe_generation_result_${Date.now()}`;
   const navigated = await new Promise<boolean>((resolve) => {
     miniProgram.navigateTo?.({
-      url: `/pages/subscribe-message/index?requestId=${encodeURIComponent(requestId)}&scene=generation-result`,
+      url: `/pages/subscribe-message/index?requestId=${encodeURIComponent(requestId)}&scene=generation-result&autoRequest=1`,
       success() {
         resolve(true);
       },