fix(usage): preserve failed status for active request refreshes

frontend/src/features/usage/components/RequestDetailDrawer.vue

@@ -828,6 +828,16 @@ import {
   type RenderBlock,
 } from '../conversation'
 
+type RequestStateStatus = 'pending' | 'streaming' | 'completed' | 'failed' | 'cancelled'
+
+const REQUEST_STATE_STATUSES = new Set<RequestStateStatus>([
+  'pending',
+  'streaming',
+  'completed',
+  'failed',
+  'cancelled',
+])
+
 const props = defineProps<{
   isOpen: boolean
   requestId: string | null
@@ -838,7 +848,7 @@ const emit = defineEmits<{
   requestState: [state: {
     id: string
     requestId?: string | null
-    status?: 'pending' | 'streaming' | 'completed' | 'failed' | 'cancelled'
+    status?: RequestStateStatus
     statusCode?: number | null
     responseTimeMs?: number | null
     imageProgress?: ImageProgress | null
@@ -922,7 +932,7 @@ function formatErrorDomainMeta(domain: NormalizedErrorDomain): string {
 
 function mapTraceFinalStatusToRequestStatus(
   status?: RequestTrace['final_status'] | null
-): 'pending' | 'streaming' | 'completed' | 'failed' | 'cancelled' | undefined {
+): RequestStateStatus | undefined {
   switch (status) {
     case 'success':
       return 'completed'
@@ -939,6 +949,49 @@ function mapTraceFinalStatusToRequestStatus(
   }
 }
 
+function normalizeRequestStateStatus(status: unknown): RequestStateStatus | undefined {
+  const normalized = typeof status === 'string' ? status.trim().toLowerCase() : ''
+  return REQUEST_STATE_STATUSES.has(normalized as RequestStateStatus)
+    ? normalized as RequestStateStatus
+    : undefined
+}
+
+function hasRequestFailureSignal(statusCode?: number | null, errorMessage?: string | null): boolean {
+  return (typeof statusCode === 'number' && statusCode >= 400) ||
+    (typeof errorMessage === 'string' && errorMessage.trim().length > 0)
+}
+
+function resolveRequestStateStatus(
+  status: unknown,
+  statusCode?: number | null,
+  errorMessage?: string | null
+): RequestStateStatus | undefined {
+  const normalized = normalizeRequestStateStatus(status)
+  if ((normalized == null || normalized === 'pending' || normalized === 'streaming') &&
+    hasRequestFailureSignal(statusCode, errorMessage)) {
+    return 'failed'
+  }
+  return normalized
+}
+
+function resolveRequestStateStatusFromDetail(nextDetail: Pick<RequestDetail, 'status' | 'status_code' | 'error_message'>): RequestStateStatus | undefined {
+  return resolveRequestStateStatus(nextDetail.status, nextDetail.status_code, nextDetail.error_message)
+}
+
+function emitDetailRequestState(nextDetail: RequestDetail) {
+  const id = props.requestId
+  if (!id) return
+
+  emit('requestState', {
+    id,
+    requestId: nextDetail.request_id || nextDetail.id || null,
+    status: resolveRequestStateStatusFromDetail(nextDetail),
+    statusCode: nextDetail.status_code ?? undefined,
+    responseTimeMs: nextDetail.response_time_ms ?? undefined,
+    errorMessage: nextDetail.error_message ?? undefined,
+  })
+}
+
 function handleTraceState(state: {
   loaded: boolean
   hasTrace: boolean
@@ -953,7 +1006,11 @@ function handleTraceState(state: {
   const id = props.requestId
   if (!id) return
 
-  const status = mapTraceFinalStatusToRequestStatus(state.finalStatus)
+  const status = resolveRequestStateStatus(
+    mapTraceFinalStatusToRequestStatus(state.finalStatus),
+    state.statusCode,
+    state.errorMessage
+  )
   const imageFailed = state.imageProgress?.phase === 'failed'
   if (!status && !state.imageProgress && state.statusCode == null && state.latencyMs == null) return
 
@@ -2094,8 +2151,9 @@ async function loadDetail(id: string, silent = false) {
     const prevKey = previousDetail?.request_id || previousDetail?.id
     const currKey = response.request_id || response.id
     const sameRequest = !!prevKey && prevKey === currKey
-    detail.value = {
+    const nextDetail: RequestDetail = {
       ...response,
+      status: resolveRequestStateStatusFromDetail(response) ?? response.status,
       request_body: sameRequest ? previousDetail?.request_body : undefined,
       provider_request_body: sameRequest ? previousDetail?.provider_request_body : undefined,
       response_body: sameRequest ? previousDetail?.response_body : undefined,
@@ -2108,7 +2166,9 @@ async function loadDetail(id: string, silent = false) {
       error_flow: response.error_flow,
       scheduling_failure: response.scheduling_failure,
     }
+    detail.value = nextDetail
     bodiesLoadedForRequestId.value = sameRequest ? bodiesLoadedForRequestId.value : null
+    emitDetailRequestState(nextDetail)
 
     // 首次加载时优先停留在轻量 tab，避免默认触发大 body 加载
     if (!silent) {

frontend/src/features/usage/components/UsageRecordsTable.vue

@@ -654,7 +654,14 @@
           <TableCell v-if="isColumnVisible('status')" class="text-center py-4 w-[10%]">
             <!-- 优先显示请求状态 -->
             <Badge
-              v-if="getDisplayStatus(record) === 'pending'"
+              v-if="isUsageRecordFailed(record)"
+              variant="destructive"
+              class="whitespace-nowrap"
+            >
+              失败
+            </Badge>
+            <Badge
+              v-else-if="getDisplayStatus(record) === 'pending'"
               variant="outline"
               class="whitespace-nowrap animate-pulse border-muted-foreground/30 text-muted-foreground"
             >
@@ -667,13 +674,6 @@
             >
               传输中
             </Badge>
-            <Badge
-              v-else-if="isUsageRecordFailed(record)"
-              variant="destructive"
-              class="whitespace-nowrap"
-            >
-              失败
-            </Badge>
             <Badge
               v-else-if="record.status === 'cancelled'"
               variant="outline"

frontend/src/features/usage/components/__tests__/UsageRecordsTable.spec.ts

@@ -257,6 +257,19 @@ describe('UsageRecordsTable', () => {
     expect(root.textContent).not.toContain('等待中')
   })
 
+  it('shows failed instead of waiting when an active row has an HTTP error code', () => {
+    const root = mountUsageRecordsTable([buildRecord({
+      status: 'pending',
+      status_code: 524,
+      error_message: 'error code: 524',
+      response_time_ms: null,
+      first_byte_time_ms: null,
+    })])
+
+    expect(root.textContent).toContain('失败')
+    expect(root.textContent).not.toContain('等待中')
+  })
+
   it('renders output TPS in the non-admin usage table', () => {
     const root = mountUsageRecordsTable([buildRecord()], { isAdmin: false })