feat(aihr): harden M0-M2 mobile training flows

mobile-uni/src/pages/user/sop/index.vue

@@ -628,6 +628,17 @@ const clearBroadcastConsultation = () => {
   clearBroadcastQuestionContext();
 };
 
+// A message consultation is re-authorized on every show. When the page is
+// hidden while that request (or its confirmation dialog) is still pending,
+// invalidate only the in-flight work. Keep the account-bound pending message
+// ID so the next onShow can restart the authorization instead of leaving the
+// composer locked in a stale loading state.
+const cancelPendingBroadcastConsultation = () => {
+  broadcastContextGeneration += 1;
+  broadcastContextLoading.value = false;
+  broadcastContextPrompting.value = false;
+};
+
 const preserveCurrentBroadcastConsultation = () => {
   if (!broadcastContext.value) return;
   saveBroadcastQuestionContext(broadcastContext.value.messageId, currentAccountKey());
@@ -693,12 +704,15 @@ const restoreBroadcastConsultation = async (pageGeneration: number, accountKey:
     return;
   }
 
-  const start = () => void activateBroadcastConsultation(pending, accountKey, pageGeneration);
   if (!conversationStarted.value) {
-    start();
+    // Do not start project selection until the message context has been
+    // resolved. Otherwise the asynchronous handoff can briefly look like an
+    // ordinary empty conversation and incorrectly open the project picker.
+    await activateBroadcastConsultation(pending, accountKey, pageGeneration);
     return;
   }
 
+  const start = () => void activateBroadcastConsultation(pending, accountKey, pageGeneration);
   broadcastContextPrompting.value = true;
   uni.showModal({
     title: '开始新的消息咨询？',
@@ -847,7 +861,8 @@ const loadProjectContext = async () => {
     const identity = await fetchMobileIdentity();
     availableProjects.value = identity.projects || [];
     currentProject.value = reconcileCurrentProject(availableProjects.value);
-    if (!currentProject.value && availableProjects.value.length > 1 && !broadcastContext.value && !broadcastContextPrompting.value) {
+    if (!currentProject.value && availableProjects.value.length > 1
+      && !broadcastContext.value && !broadcastContextLoading.value && !broadcastContextPrompting.value) {
       projectPickerOpen.value = true;
     }
   } catch (error) {
@@ -1477,6 +1492,7 @@ onShow(() => {
 onHide(() => {
   showGeneration += 1;
   candidateRefreshGeneration += 1;
+  cancelPendingBroadcastConsultation();
   speechPlayback.stop();
   composerRef.value?.teardown();
   cancelVoiceTranscription();
@@ -1485,6 +1501,7 @@ onHide(() => {
 
 onUnload(() => {
   showGeneration += 1;
+  cancelPendingBroadcastConsultation();
   releaseMessageResources();
   speechPlayback.destroy();
   composerRef.value?.teardown();