feat(usage): add reasoning effort column

backend/internal/handler/dto/mappers.go

@@ -366,6 +366,7 @@ func usageLogFromServiceUser(l *service.UsageLog) UsageLog {
 		AccountID:             l.AccountID,
 		RequestID:             l.RequestID,
 		Model:                 l.Model,
+		ReasoningEffort:       l.ReasoningEffort,
 		GroupID:               l.GroupID,
 		SubscriptionID:        l.SubscriptionID,
 		InputTokens:           l.InputTokens,

backend/internal/handler/dto/types.go

@@ -222,6 +222,9 @@ type UsageLog struct {
 	AccountID int64  `json:"account_id"`
 	RequestID string `json:"request_id"`
 	Model     string `json:"model"`
+	// ReasoningEffort is the request's reasoning effort level (OpenAI Responses API).
+	// nil means not provided / not applicable.
+	ReasoningEffort *string `json:"reasoning_effort,omitempty"`
 
 	GroupID        *int64 `json:"group_id"`
 	SubscriptionID *int64 `json:"subscription_id"`

backend/internal/repository/usage_log_repo.go

@@ -22,7 +22,7 @@ import (
 	"github.com/lib/pq"
 )
 
-const usageLogSelectColumns = "id, user_id, api_key_id, account_id, request_id, model, group_id, subscription_id, input_tokens, output_tokens, cache_creation_tokens, cache_read_tokens, cache_creation_5m_tokens, cache_creation_1h_tokens, input_cost, output_cost, cache_creation_cost, cache_read_cost, total_cost, actual_cost, rate_multiplier, account_rate_multiplier, billing_type, stream, duration_ms, first_token_ms, user_agent, ip_address, image_count, image_size, created_at"
+const usageLogSelectColumns = "id, user_id, api_key_id, account_id, request_id, model, group_id, subscription_id, input_tokens, output_tokens, cache_creation_tokens, cache_read_tokens, cache_creation_5m_tokens, cache_creation_1h_tokens, input_cost, output_cost, cache_creation_cost, cache_read_cost, total_cost, actual_cost, rate_multiplier, account_rate_multiplier, billing_type, stream, duration_ms, first_token_ms, user_agent, ip_address, image_count, image_size, reasoning_effort, created_at"
 
 type usageLogRepository struct {
 	client *dbent.Client
@@ -111,21 +111,22 @@ func (r *usageLogRepository) Create(ctx context.Context, log *service.UsageLog)
 			duration_ms,
 			first_token_ms,
 			user_agent,
-			ip_address,
-			image_count,
-			image_size,
-			created_at
-		) VALUES (
-			$1, $2, $3, $4, $5,
-			$6, $7,
-			$8, $9, $10, $11,
-			$12, $13,
-			$14, $15, $16, $17, $18, $19,
-			$20, $21, $22, $23, $24, $25, $26, $27, $28, $29, $30
-		)
-		ON CONFLICT (request_id, api_key_id) DO NOTHING
-		RETURNING id, created_at
-	`
+				ip_address,
+				image_count,
+				image_size,
+				reasoning_effort,
+				created_at
+			) VALUES (
+				$1, $2, $3, $4, $5,
+				$6, $7,
+				$8, $9, $10, $11,
+				$12, $13,
+				$14, $15, $16, $17, $18, $19,
+				$20, $21, $22, $23, $24, $25, $26, $27, $28, $29, $30, $31
+			)
+			ON CONFLICT (request_id, api_key_id) DO NOTHING
+			RETURNING id, created_at
+		`
 
 	groupID := nullInt64(log.GroupID)
 	subscriptionID := nullInt64(log.SubscriptionID)
@@ -134,6 +135,7 @@ func (r *usageLogRepository) Create(ctx context.Context, log *service.UsageLog)
 	userAgent := nullString(log.UserAgent)
 	ipAddress := nullString(log.IPAddress)
 	imageSize := nullString(log.ImageSize)
+	reasoningEffort := nullString(log.ReasoningEffort)
 
 	var requestIDArg any
 	if requestID != "" {
@@ -170,6 +172,7 @@ func (r *usageLogRepository) Create(ctx context.Context, log *service.UsageLog)
 		ipAddress,
 		log.ImageCount,
 		imageSize,
+		reasoningEffort,
 		createdAt,
 	}
 	if err := scanSingleRow(ctx, sqlq, query, args, &log.ID, &log.CreatedAt); err != nil {
@@ -2090,6 +2093,7 @@ func scanUsageLog(scanner interface{ Scan(...any) error }) (*service.UsageLog, e
 		ipAddress             sql.NullString
 		imageCount            int
 		imageSize             sql.NullString
+		reasoningEffort       sql.NullString
 		createdAt             time.Time
 	)
 
@@ -2124,6 +2128,7 @@ func scanUsageLog(scanner interface{ Scan(...any) error }) (*service.UsageLog, e
 		&ipAddress,
 		&imageCount,
 		&imageSize,
+		&reasoningEffort,
 		&createdAt,
 	); err != nil {
 		return nil, err
@@ -2183,6 +2188,9 @@ func scanUsageLog(scanner interface{ Scan(...any) error }) (*service.UsageLog, e
 	if imageSize.Valid {
 		log.ImageSize = &imageSize.String
 	}
+	if reasoningEffort.Valid {
+		log.ReasoningEffort = &reasoningEffort.String
+	}
 
 	return log, nil
 }

backend/internal/service/openai_gateway_service.go

@@ -156,12 +156,15 @@ type OpenAIUsage struct {
 
 // OpenAIForwardResult represents the result of forwarding
 type OpenAIForwardResult struct {
-	RequestID    string
-	Usage        OpenAIUsage
-	Model        string
-	Stream       bool
-	Duration     time.Duration
-	FirstTokenMs *int
+	RequestID string
+	Usage     OpenAIUsage
+	Model     string
+	// ReasoningEffort is extracted from request body (reasoning.effort) or derived from model suffix.
+	// Stored for usage records display; nil means not provided / not applicable.
+	ReasoningEffort *string
+	Stream          bool
+	Duration        time.Duration
+	FirstTokenMs    *int
 }
 
 // OpenAIGatewayService handles OpenAI API gateway operations
@@ -958,13 +961,16 @@ func (s *OpenAIGatewayService) Forward(ctx context.Context, c *gin.Context, acco
 		}
 	}
 
+	reasoningEffort := extractOpenAIReasoningEffort(reqBody, originalModel)
+
 	return &OpenAIForwardResult{
-		RequestID:    resp.Header.Get("x-request-id"),
-		Usage:        *usage,
-		Model:        originalModel,
-		Stream:       reqStream,
-		Duration:     time.Since(startTime),
-		FirstTokenMs: firstTokenMs,
+		RequestID:       resp.Header.Get("x-request-id"),
+		Usage:           *usage,
+		Model:           originalModel,
+		ReasoningEffort: reasoningEffort,
+		Stream:          reqStream,
+		Duration:        time.Since(startTime),
+		FirstTokenMs:    firstTokenMs,
 	}, nil
 }
 
@@ -1687,6 +1693,7 @@ func (s *OpenAIGatewayService) RecordUsage(ctx context.Context, input *OpenAIRec
 		AccountID:             account.ID,
 		RequestID:             result.RequestID,
 		Model:                 result.Model,
+		ReasoningEffort:       result.ReasoningEffort,
 		InputTokens:           actualInputTokens,
 		OutputTokens:          result.Usage.OutputTokens,
 		CacheCreationTokens:   result.Usage.CacheCreationInputTokens,
@@ -1881,3 +1888,86 @@ func (s *OpenAIGatewayService) updateCodexUsageSnapshot(ctx context.Context, acc
 		_ = s.accountRepo.UpdateExtra(updateCtx, accountID, updates)
 	}()
 }
+
+func getOpenAIReasoningEffortFromReqBody(reqBody map[string]any) (value string, present bool) {
+	if reqBody == nil {
+		return "", false
+	}
+
+	// Primary: reasoning.effort
+	if reasoning, ok := reqBody["reasoning"].(map[string]any); ok {
+		if effort, ok := reasoning["effort"].(string); ok {
+			return normalizeOpenAIReasoningEffort(effort), true
+		}
+	}
+
+	// Fallback: some clients may use a flat field.
+	if effort, ok := reqBody["reasoning_effort"].(string); ok {
+		return normalizeOpenAIReasoningEffort(effort), true
+	}
+
+	return "", false
+}
+
+func deriveOpenAIReasoningEffortFromModel(model string) string {
+	if strings.TrimSpace(model) == "" {
+		return ""
+	}
+
+	modelID := strings.TrimSpace(model)
+	if strings.Contains(modelID, "/") {
+		parts := strings.Split(modelID, "/")
+		modelID = parts[len(parts)-1]
+	}
+
+	parts := strings.FieldsFunc(strings.ToLower(modelID), func(r rune) bool {
+		switch r {
+		case '-', '_', ' ':
+			return true
+		default:
+			return false
+		}
+	})
+	if len(parts) == 0 {
+		return ""
+	}
+
+	return normalizeOpenAIReasoningEffort(parts[len(parts)-1])
+}
+
+func extractOpenAIReasoningEffort(reqBody map[string]any, requestedModel string) *string {
+	if value, present := getOpenAIReasoningEffortFromReqBody(reqBody); present {
+		if value == "" {
+			return nil
+		}
+		return &value
+	}
+
+	value := deriveOpenAIReasoningEffortFromModel(requestedModel)
+	if value == "" {
+		return nil
+	}
+	return &value
+}
+
+func normalizeOpenAIReasoningEffort(raw string) string {
+	value := strings.ToLower(strings.TrimSpace(raw))
+	if value == "" {
+		return ""
+	}
+
+	// Normalize separators for "x-high"/"x_high" variants.
+	value = strings.NewReplacer("-", "", "_", "", " ", "").Replace(value)
+
+	switch value {
+	case "none", "minimal":
+		return ""
+	case "low", "medium", "high":
+		return value
+	case "xhigh", "extrahigh":
+		return "xhigh"
+	default:
+		// Only store known effort levels for now to keep UI consistent.
+		return ""
+	}
+}

backend/internal/service/usage_log.go

@@ -14,6 +14,9 @@ type UsageLog struct {
 	AccountID int64
 	RequestID string
 	Model     string
+	// ReasoningEffort is the request's reasoning effort level (OpenAI Responses API),
+	// e.g. "low" / "medium" / "high" / "xhigh". Nil means not provided / not applicable.
+	ReasoningEffort *string
 
 	GroupID        *int64
 	SubscriptionID *int64

backend/migrations/046_add_usage_log_reasoning_effort.sql

+-- Add reasoning_effort field to usage_logs for OpenAI/Codex requests.
+-- This stores the request's reasoning effort level (e.g. low/medium/high/xhigh).
+ALTER TABLE usage_logs ADD COLUMN IF NOT EXISTS reasoning_effort VARCHAR(20);
+

frontend/src/components/admin/usage/UsageTable.vue

@@ -21,6 +21,12 @@
           <span class="font-medium text-gray-900 dark:text-white">{{ value }}</span>
         </template>
 
+        <template #cell-reasoning_effort="{ row }">
+          <span class="text-sm text-gray-900 dark:text-white">
+            {{ formatReasoningEffort(row.reasoning_effort) }}
+          </span>
+        </template>
+
         <template #cell-group="{ row }">
           <span v-if="row.group" class="inline-flex items-center rounded px-2 py-0.5 text-xs font-medium bg-indigo-100 text-indigo-800 dark:bg-indigo-900 dark:text-indigo-200">
             {{ row.group.name }}
@@ -232,14 +238,14 @@
   </Teleport>
 </template>
 
-<script setup lang="ts">
-import { ref, computed } from 'vue'
-import { useI18n } from 'vue-i18n'
-import { formatDateTime } from '@/utils/format'
-import DataTable from '@/components/common/DataTable.vue'
-import EmptyState from '@/components/common/EmptyState.vue'
-import Icon from '@/components/icons/Icon.vue'
-import type { AdminUsageLog } from '@/types'
+  <script setup lang="ts">
+  import { ref, computed } from 'vue'
+  import { useI18n } from 'vue-i18n'
+  import { formatDateTime, formatReasoningEffort } from '@/utils/format'
+  import DataTable from '@/components/common/DataTable.vue'
+  import EmptyState from '@/components/common/EmptyState.vue'
+  import Icon from '@/components/icons/Icon.vue'
+  import type { AdminUsageLog } from '@/types'
 
 defineProps(['data', 'loading'])
 const { t } = useI18n()
@@ -259,6 +265,7 @@ const cols = computed(() => [
   { key: 'api_key', label: t('usage.apiKeyFilter'), sortable: false },
   { key: 'account', label: t('admin.usage.account'), sortable: false },
   { key: 'model', label: t('usage.model'), sortable: true },
+  { key: 'reasoning_effort', label: t('usage.reasoningEffort'), sortable: false },
   { key: 'group', label: t('admin.usage.group'), sortable: false },
   { key: 'stream', label: t('usage.type'), sortable: false },
   { key: 'tokens', label: t('usage.tokens'), sortable: false },

frontend/src/i18n/locales/en.ts

@@ -495,6 +495,7 @@ export default {
     exporting: 'Exporting...',
     preparingExport: 'Preparing export...',
     model: 'Model',
+    reasoningEffort: 'Reasoning Effort',
     type: 'Type',
     tokens: 'Tokens',
     cost: 'Cost',

frontend/src/i18n/locales/zh.ts

@@ -491,6 +491,7 @@ export default {
     exporting: '导出中...',
     preparingExport: '正在准备导出...',
     model: '模型',
+    reasoningEffort: '推理强度',
     type: '类型',
     tokens: 'Token',
     cost: '费用',

frontend/src/types/index.ts

@@ -710,6 +710,7 @@ export interface UsageLog {
   account_id: number | null
   request_id: string
   model: string
+  reasoning_effort?: string | null
 
   group_id: number | null
   subscription_id: number | null

frontend/src/utils/format.ts

@@ -174,6 +174,35 @@ export function parseDateTimeLocalInput(value: string): number | null {
   return Math.floor(date.getTime() / 1000)
 }
 
+/**
+ * 格式化 OpenAI reasoning effort（用于使用记录展示）
+ * @param effort 原始 effort（如 "low" / "medium" / "high" / "xhigh"）
+ * @returns 格式化后的字符串（Low / Medium / High / Xhigh），无值返回 "-"
+ */
+export function formatReasoningEffort(effort: string | null | undefined): string {
+  const raw = (effort ?? '').toString().trim()
+  if (!raw) return '-'
+
+  const normalized = raw.toLowerCase().replace(/[-_\s]/g, '')
+  switch (normalized) {
+    case 'low':
+      return 'Low'
+    case 'medium':
+      return 'Medium'
+    case 'high':
+      return 'High'
+    case 'xhigh':
+    case 'extrahigh':
+      return 'Xhigh'
+    case 'none':
+    case 'minimal':
+      return '-'
+    default:
+      // best-effort: Title-case first letter
+      return raw.length > 1 ? raw[0].toUpperCase() + raw.slice(1) : raw.toUpperCase()
+  }
+}
+
 /**
  * 格式化时间（只显示时分）
  * @param date 日期字符串或 Date 对象

frontend/src/views/admin/UsageView.vue

@@ -35,12 +35,13 @@
 <script setup lang="ts">
 import { ref, reactive, computed, onMounted, onUnmounted } from 'vue'
 import { useI18n } from 'vue-i18n'
-import { saveAs } from 'file-saver'
-import { useAppStore } from '@/stores/app'; import { adminAPI } from '@/api/admin'; import { adminUsageAPI } from '@/api/admin/usage'
-import AppLayout from '@/components/layout/AppLayout.vue'; import Pagination from '@/components/common/Pagination.vue'; import Select from '@/components/common/Select.vue'
-import UsageStatsCards from '@/components/admin/usage/UsageStatsCards.vue'; import UsageFilters from '@/components/admin/usage/UsageFilters.vue'
-import UsageTable from '@/components/admin/usage/UsageTable.vue'; import UsageExportProgress from '@/components/admin/usage/UsageExportProgress.vue'
-import UsageCleanupDialog from '@/components/admin/usage/UsageCleanupDialog.vue'
+  import { saveAs } from 'file-saver'
+  import { useAppStore } from '@/stores/app'; import { adminAPI } from '@/api/admin'; import { adminUsageAPI } from '@/api/admin/usage'
+  import { formatReasoningEffort } from '@/utils/format'
+  import AppLayout from '@/components/layout/AppLayout.vue'; import Pagination from '@/components/common/Pagination.vue'; import Select from '@/components/common/Select.vue'
+  import UsageStatsCards from '@/components/admin/usage/UsageStatsCards.vue'; import UsageFilters from '@/components/admin/usage/UsageFilters.vue'
+  import UsageTable from '@/components/admin/usage/UsageTable.vue'; import UsageExportProgress from '@/components/admin/usage/UsageExportProgress.vue'
+  import UsageCleanupDialog from '@/components/admin/usage/UsageCleanupDialog.vue'
 import ModelDistributionChart from '@/components/charts/ModelDistributionChart.vue'; import TokenUsageTrend from '@/components/charts/TokenUsageTrend.vue'
 import type { AdminUsageLog, TrendDataPoint, ModelStat } from '@/types'; import type { AdminUsageStatsResponse, AdminUsageQueryParams } from '@/api/admin/usage'
 
@@ -104,7 +105,7 @@ const exportToExcel = async () => {
       const XLSX = await import('xlsx')
       const headers = [
         t('usage.time'), t('admin.usage.user'), t('usage.apiKeyFilter'),
-        t('admin.usage.account'), t('usage.model'), t('admin.usage.group'),
+        t('admin.usage.account'), t('usage.model'), t('usage.reasoningEffort'), t('admin.usage.group'),
         t('usage.type'),
         t('admin.usage.inputTokens'), t('admin.usage.outputTokens'),
         t('admin.usage.cacheReadTokens'), t('admin.usage.cacheCreationTokens'),
@@ -120,6 +121,7 @@ const exportToExcel = async () => {
         log.api_key?.name || '',
         log.account?.name || '',
         log.model,
+        formatReasoningEffort(log.reasoning_effort),
         log.group?.name || '',
         log.stream ? t('usage.stream') : t('usage.sync'),
         log.input_tokens,

frontend/src/views/user/UsageView.vue

@@ -157,6 +157,12 @@
             <span class="font-medium text-gray-900 dark:text-white">{{ value }}</span>
           </template>
 
+          <template #cell-reasoning_effort="{ row }">
+            <span class="text-sm text-gray-900 dark:text-white">
+              {{ formatReasoningEffort(row.reasoning_effort) }}
+            </span>
+          </template>
+
           <template #cell-stream="{ row }">
             <span
               class="inline-flex items-center rounded px-2 py-0.5 text-xs font-medium"
@@ -438,12 +444,12 @@ import TablePageLayout from '@/components/layout/TablePageLayout.vue'
 import DataTable from '@/components/common/DataTable.vue'
 import Pagination from '@/components/common/Pagination.vue'
 import EmptyState from '@/components/common/EmptyState.vue'
-import Select from '@/components/common/Select.vue'
-import DateRangePicker from '@/components/common/DateRangePicker.vue'
-import Icon from '@/components/icons/Icon.vue'
-import type { UsageLog, ApiKey, UsageQueryParams, UsageStatsResponse } from '@/types'
-import type { Column } from '@/components/common/types'
-import { formatDateTime } from '@/utils/format'
+  import Select from '@/components/common/Select.vue'
+  import DateRangePicker from '@/components/common/DateRangePicker.vue'
+  import Icon from '@/components/icons/Icon.vue'
+  import type { UsageLog, ApiKey, UsageQueryParams, UsageStatsResponse } from '@/types'
+  import type { Column } from '@/components/common/types'
+  import { formatDateTime, formatReasoningEffort } from '@/utils/format'
 
 const { t } = useI18n()
 const appStore = useAppStore()
@@ -466,6 +472,7 @@ const usageStats = ref<UsageStatsResponse | null>(null)
 const columns = computed<Column[]>(() => [
   { key: 'api_key', label: t('usage.apiKeyFilter'), sortable: false },
   { key: 'model', label: t('usage.model'), sortable: true },
+  { key: 'reasoning_effort', label: t('usage.reasoningEffort'), sortable: false },
   { key: 'stream', label: t('usage.type'), sortable: false },
   { key: 'tokens', label: t('usage.tokens'), sortable: false },
   { key: 'cost', label: t('usage.cost'), sortable: false },
@@ -723,6 +730,7 @@ const exportToCSV = async () => {
       'Time',
       'API Key Name',
       'Model',
+      'Reasoning Effort',
       'Type',
       'Input Tokens',
       'Output Tokens',
@@ -739,6 +747,7 @@ const exportToCSV = async () => {
         log.created_at,
         log.api_key?.name || '',
         log.model,
+        formatReasoningEffort(log.reasoning_effort),
         log.stream ? 'Stream' : 'Sync',
         log.input_tokens,
         log.output_tokens,