feat(fragment): 上传失败时透传接口错误原因至 toast 提示

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/src/main/java/com/shuwei/dish/match/ui/fragment/VectorCollectionFragment.kt

@@ -366,7 +366,8 @@ class VectorCollectionFragment : BaseFragment<FragmentVectorCollectionBinding>()
                 // 直接 await 单批上传结果，成功返回 id 列表，失败返回 null 触发 onError
                 val result = currentActivity.netViewModel.uploadFoodVectorDataBatch(files, params)
                 log("uploadImage返回：result=${result.toJsonString()}")
-                if (result is UiState.Success) result.data else null
+                if (result is UiState.Success) result.data to null
+                else null to (result as? UiState.Error)?.msg
             }, onProgress = { count, batch, idList ->
                 showWaitingDialog("图片上传中$count/$totalFileCount", timeoutMs = 60_000L)
                 val foodList = batch.mapIndexed { index, it ->
@@ -379,10 +380,10 @@ class VectorCollectionFragment : BaseFragment<FragmentVectorCollectionBinding>()
                 ObjectBox.putAll(foodList)
                 batch.forEach { it.isFinish = true }
                 vectorAdapter.notifyDataSetChanged()
-            }, onError = {
+            }, onError = { _, errorMsg ->
                 binding.root.postDelayed({
                     hideWaitingDialog()
-                    toast("上传失败，请稍后重试")
+                    toast("上传失败：${(errorMsg ?: "").ifBlank { "请稍后重试" }}")
                 }, 1000)
             }, onComplete = {
                 binding.root.postDelayed({

app/src/main/java/com/shuwei/dish/match/utils/ImageUploader.kt

@@ -5,9 +5,9 @@ import java.util.concurrent.atomic.AtomicInteger
 
 class ImageUploader(
     private val totalList: List<FoodCollectionBean>,
-    private val uploadImage: suspend (List<FoodCollectionBean>) -> List<String>?,
+    private val uploadImage: suspend (List<FoodCollectionBean>) -> Pair<List<String>?, String?>,
     private val onProgress: suspend (Int, List<FoodCollectionBean>, List<String>) -> Unit,
-    private val onError: (List<FoodCollectionBean>) -> Unit,
+    private val onError: (List<FoodCollectionBean>, String?) -> Unit,
     private val onComplete: () -> Unit
 ) {
     companion object {
@@ -19,10 +19,9 @@ class ImageUploader(
         val batches = totalList.filter { it.imageVector!=null }.chunked(BATCH_SIZE)
 
         for (batch in batches) {
-            val idList = uploadImage(batch)
+            val (idList, errorMsg) = uploadImage(batch)
             if (idList.isNullOrEmpty()) {
-                //println("上传失败，终止流程")
-                onError(batch)
+                onError(batch, errorMsg)
                 return
             }
             val fileCount = batch.count { it.imageFile!=null }