fix(mobile): handle file picker cancellation

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

@@ -463,6 +463,7 @@ import { isNativeAppRuntime, type SpeechCapture } from '@/services/speech-captur
 import { downloadSummaryCardImage } from '@/services/summary-card-image';
 import { getMemoryCandidates } from '@/services/personal-assistant';
 import { currentAccountKey } from '@/services/request-scope';
+import { isFileSelectionCancelled } from '@/utils/file-selection';
 import {
   clearBroadcastQuestionContext,
   getBroadcastMessage,
@@ -1084,8 +1085,10 @@ const pickMedia = async () => {
       icon: 'none'
     });
   } catch (error) {
-    const text = error instanceof Error ? error.message : '附件选择失败';
-    if (text !== '未选择附件') uni.showToast({ title: text, icon: 'none' });
+    if (!isFileSelectionCancelled(error)) {
+      const text = error instanceof Error ? error.message : '附件选择失败';
+      uni.showToast({ title: text, icon: 'none' });
+    }
   }
 };
 
@@ -1150,8 +1153,10 @@ const pickVoiceAudio = async () => {
     void sendQuestion(text, { voice: true });
   } catch (error) {
     if (generation !== voiceTranscriptionGeneration) return;
-    const text = error instanceof Error ? error.message : '语音转写失败，请改用文字输入';
-    if (text !== '未选择音频') pushSystem(text);
+    if (!isFileSelectionCancelled(error)) {
+      const text = error instanceof Error ? error.message : '语音转写失败，请改用文字输入';
+      pushSystem(text);
+    }
   } finally {
     if (generation === voiceTranscriptionGeneration) {
       abortVoiceTranscription = null;