Expose ranking metadata in request trace

frontend/src/api/requestTrace.ts

@@ -1,5 +1,14 @@
 import apiClient from './client'
 
+export interface CandidateRankingMetadata {
+  mode?: string
+  priority_mode?: string
+  index?: number
+  priority_slot?: number
+  promoted_by?: string
+  demoted_by?: string
+}
+
 export interface CandidateRecord {
   id: string
   request_id: string
@@ -36,6 +45,7 @@ export interface CandidateRecord {
   error_message?: string
   latency_ms?: number
   concurrent_requests?: number
+  ranking?: CandidateRankingMetadata | null
   extra_data?: Record<string, unknown>
   created_at: string
   started_at?: string

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

@@ -1342,15 +1342,16 @@ const currentAttemptRankingInfo = computed<{
 } | null>(() => {
   const attempt = currentAttempt.value
   if (!attempt) return null
+  const ranking = extractObject(attempt.ranking)
   const extra = extractObject(attempt.extra_data)
-  if (!extra) return null
+  if (!ranking && !extra) return null
 
-  const rankingMode = normalizeMetadataText(extra.ranking_mode)
-  const priorityMode = normalizeMetadataText(extra.priority_mode)
-  const promotedBy = normalizeMetadataText(extra.promoted_by)
-  const demotedBy = normalizeMetadataText(extra.demoted_by)
-  const rankingIndex = normalizePriorityNumber(extra.ranking_index)
-  const prioritySlot = normalizePriorityNumber(extra.priority_slot)
+  const rankingMode = normalizeMetadataText(ranking?.mode ?? extra?.ranking_mode)
+  const priorityMode = normalizeMetadataText(ranking?.priority_mode ?? extra?.priority_mode)
+  const promotedBy = normalizeMetadataText(ranking?.promoted_by ?? extra?.promoted_by)
+  const demotedBy = normalizeMetadataText(ranking?.demoted_by ?? extra?.demoted_by)
+  const rankingIndex = normalizePriorityNumber(ranking?.index ?? extra?.ranking_index)
+  const prioritySlot = normalizePriorityNumber(ranking?.priority_slot ?? extra?.priority_slot)
   if (!rankingMode && !priorityMode && !promotedBy && !demotedBy && rankingIndex === null && prioritySlot === null) {
     return null
   }

frontend/src/mocks/handler.ts

@@ -2461,6 +2461,20 @@ registerDynamicRoute('GET', '/api/admin/monitoring/trace/:requestId', async (_co
         status: 'skipped',
         skip_reason: ['并发限制已满', '健康分数过低', '倍率不匹配'][i % 3],
         is_cached: false,
+        ranking: {
+          mode: record.cache_read_input_tokens > 0 ? 'CacheAffinity' : 'FixedOrder',
+          priority_mode: 'Provider',
+          index: i,
+          priority_slot: i + 1,
+          demoted_by: i > 0 ? 'cross_format' : undefined
+        },
+        extra_data: {
+          ranking_mode: record.cache_read_input_tokens > 0 ? 'CacheAffinity' : 'FixedOrder',
+          priority_mode: 'Provider',
+          ranking_index: i,
+          priority_slot: i + 1,
+          demoted_by: i > 0 ? 'cross_format' : undefined
+        },
         latency_ms: 10 + Math.floor(Math.random() * 20),
         created_at: skipStarted.toISOString(),
         started_at: skipStarted.toISOString(),
@@ -2492,6 +2506,20 @@ registerDynamicRoute('GET', '/api/admin/monitoring/trace/:requestId', async (_co
       status: 'success',
       is_cached: record.cache_read_input_tokens > 0,
       status_code: 200,
+      ranking: {
+        mode: record.cache_read_input_tokens > 0 ? 'CacheAffinity' : 'FixedOrder',
+        priority_mode: 'Provider',
+        index: skipCount,
+        priority_slot: record.cache_read_input_tokens > 0 ? 7 : skipCount + 1,
+        promoted_by: record.cache_read_input_tokens > 0 ? 'cached_affinity' : undefined
+      },
+      extra_data: {
+        ranking_mode: record.cache_read_input_tokens > 0 ? 'CacheAffinity' : 'FixedOrder',
+        priority_mode: 'Provider',
+        ranking_index: skipCount,
+        priority_slot: record.cache_read_input_tokens > 0 ? 7 : skipCount + 1,
+        promoted_by: record.cache_read_input_tokens > 0 ? 'cached_affinity' : undefined
+      },
       latency_ms: baseLatency,
       created_at: successStarted.toISOString(),
       started_at: successStarted.toISOString(),
@@ -2524,6 +2552,18 @@ registerDynamicRoute('GET', '/api/admin/monitoring/trace/:requestId', async (_co
         status_code: record.status_code,
         error_type: ['rate_limit_error', 'api_error', 'timeout_error'][i % 3],
         error_message: record.error_message || 'Request failed',
+        ranking: {
+          mode: 'FixedOrder',
+          priority_mode: 'Provider',
+          index: i,
+          priority_slot: i + 1
+        },
+        extra_data: {
+          ranking_mode: 'FixedOrder',
+          priority_mode: 'Provider',
+          ranking_index: i,
+          priority_slot: i + 1
+        },
         latency_ms: attemptLatency,
         created_at: attemptStarted.toISOString(),
         started_at: attemptStarted.toISOString(),
@@ -2549,6 +2589,18 @@ registerDynamicRoute('GET', '/api/admin/monitoring/trace/:requestId', async (_co
       required_capabilities: {},
       status: 'streaming',
       is_cached: false,
+      ranking: {
+        mode: 'FixedOrder',
+        priority_mode: 'Provider',
+        index: 0,
+        priority_slot: 1
+      },
+      extra_data: {
+        ranking_mode: 'FixedOrder',
+        priority_mode: 'Provider',
+        ranking_index: 0,
+        priority_slot: 1
+      },
       latency_ms: undefined,
       created_at: now.toISOString(),
       started_at: now.toISOString(),