From 762743c3236a41f729d0200204f273b8b11ebef1 Mon Sep 17 00:00:00 2001
From: ila <ila2002@qq.com>
Date: Wed, 26 Aug 2026 11:36:56 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E5=AE=8C=E5=96=84=E7=94=9F=E6=88=90?=
 =?UTF-8?q?=E8=AE=B0=E5=BD=95=E8=80=97=E6=97=B6=E5=B1=95=E7=A4=BA=20(#65)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../src/views/chorus/generations/helpers.js   | 55 +++++++++++-
 .../src/views/chorus/generations/index.vue    | 24 ++---
 admin-ui/src/views/chorus/shared.js           |  4 +-
 .../unit/chorus/generation-attempts.spec.js   | 83 ++++++++++-------
 admin/app/chorus/service.go                   | 89 ++++++++++++++++++-
 admin/app/chorus/service_test.go              | 25 +++++-
 admin/app/chorus/types.go                     | 31 ++++---
 docs/02-architecture-and-code-map.md          | 15 +++-
 docs/09-product-requirements-overview.md      | 15 +++-
 portal/handler/router.go                      | 12 ++-
 portal/handler/router_test.go                 | 24 ++++-
 portal/openapi/openapi.json                   |  1 +
 portal/openapi/spec_test.go                   | 19 ++++
 portal/web/e2e/fixture/main.go                |  7 +-
 portal/web/e2e/portal.spec.js                 |  8 ++
 portal/web/static/app.js                      | 53 ++++++++++-
 portal/web/templates/app.html                 |  4 +-
 portal/web/templates/result.html              |  4 +-
 portal/web/web.go                             | 80 +++++++++++++++++
 portal/web/web_test.go                        | 51 +++++++++++
 20 files changed, 526 insertions(+), 78 deletions(-)

diff --git a/admin-ui/src/views/chorus/generations/helpers.js b/admin-ui/src/views/chorus/generations/helpers.js
index 974426c..b997665 100644
--- a/admin-ui/src/views/chorus/generations/helpers.js
+++ b/admin-ui/src/views/chorus/generations/helpers.js
@@ -1,19 +1,70 @@
+const parseTime = value => {
+  if (!value) return null
+  const timestamp = new Date(value).getTime()
+  return Number.isFinite(timestamp) ? timestamp : null
+}
+
+export function durationText(milliseconds) {
+  if (!Number.isFinite(milliseconds) || milliseconds < 0) return '时间异常'
+  if (milliseconds < 100) return '<0.1 秒'
+  const totalSeconds = milliseconds / 1000
+  if (totalSeconds < 60) return `${totalSeconds.toFixed(1)} 秒`
+  const minutes = Math.floor(totalSeconds / 60)
+  const seconds = (totalSeconds - minutes * 60).toFixed(1).padStart(4, '0')
+  if (minutes < 60) return `${minutes} 分 ${seconds} 秒`
+  const hours = Math.floor(minutes / 60)
+  return `${hours} 小时 ${String(minutes % 60).padStart(2, '0')} 分 ${String(seconds).padStart(2, '0')} 秒`
+}
+
+const between = (start, end) => {
+  const startTime = parseTime(start)
+  const endTime = parseTime(end)
+  if (startTime === null || endTime === null) return '-'
+  return durationText(endTime - startTime)
+}
+
+export function generationTiming(generation, now = Date.now()) {
+  const row = generation || {}
+  const terminal = row.status === 'succeeded' || row.status === 'failed'
+  const end = terminal ? row.completed_at : new Date(now).toISOString()
+  const providerAttempts = Array.isArray(row.attempts)
+    ? row.attempts.filter(item => item && item.type === 'provider' && Number.isFinite(Number(item.latency_ms)) && Number(item.latency_ms) >= 0)
+    : []
+  const upstreamMS = providerAttempts.reduce((sum, item) => sum + Number(item.latency_ms), 0)
+  return {
+    total: between(row.created_at, end),
+    queue: row.started_at ? between(row.created_at, row.started_at) : '-',
+    processing: row.started_at ? between(row.started_at, end) : '-',
+    upstream: providerAttempts.length ? durationText(upstreamMS) : '-'
+  }
+}
+
+export function kindText(value) {
+  return ({ text: '文本', image: '图片' })[value] || '未知'
+}
+
 const eventTitle = attempt => {
   if (attempt.type === 'lease') return '任务认领'
   if (attempt.type === 'local_rate_limit') return '本地限流'
-  if (attempt.type === 'provider') return attempt.provider_model_id ? `模型 #${attempt.provider_model_id}` : '模型未记录'
+  if (attempt.type === 'provider') {
+    const provider = attempt.provider_name || 'Provider 未记录'
+    const model = attempt.model_name || (attempt.provider_model_id ? `模型 #${attempt.provider_model_id}` : '模型未记录')
+    return `${provider} · ${model}`
+  }
   return '系统事件'
 }
 
 export function attemptPresentation(value) {
   const attempt = value && typeof value === 'object' ? value : {}
+  const isProvider = attempt.type === 'provider'
   const presentation = {
+    label: isProvider ? (attempt.provider_ordinal ? `尝试 ${attempt.provider_ordinal}` : 'Provider 尝试') : '系统事件',
     title: eventTitle(attempt),
     status: '进行中',
+    duration: Number.isFinite(Number(attempt.latency_ms)) && Number(attempt.latency_ms) >= 0 ? durationText(Number(attempt.latency_ms)) : between(attempt.started_at, attempt.finished_at),
     type: 'warning',
     timestamp: attempt.finished_at || attempt.started_at || attempt.deferred_until || ''
   }
-
   if (attempt.error_code) {
     presentation.status = attempt.error_code
     presentation.type = 'danger'
diff --git a/admin-ui/src/views/chorus/generations/index.vue b/admin-ui/src/views/chorus/generations/index.vue
index c1a1693..e5a8d7e 100644
--- a/admin-ui/src/views/chorus/generations/index.vue
+++ b/admin-ui/src/views/chorus/generations/index.vue
@@ -1,17 +1,18 @@
 <template>
   <BasicLayout><template #wrapper><main class="chorus-page">
     <header class="page-heading"><div><h1>生成记录</h1><p>按任务查看渲染 Prompt、错误摘要和每次上游尝试；敏感响应不会在此展示。</p></div><el-button :loading="loading" @click="load"><i class="ri-refresh-line" /> 刷新</el-button></header>
-    <div class="toolbar"><el-input v-model.trim="keyword" clearable placeholder="任务编号 / 用户编号 / 错误码" style="width: 290px" /><el-select v-model="status" clearable placeholder="全部状态" style="width: 140px"><el-option v-for="item in statuses" :key="item" :label="statusText(item)" :value="item" /></el-select><el-button @click="reset">重置</el-button><span class="spacer" /><span class="muted">最近 {{ filtered.length }} 条</span></div>
+    <div class="toolbar"><el-input v-model.trim="keyword" clearable placeholder="任务编号 / 用户账号 / 错误码" style="width: 290px" /><el-select v-model="status" clearable placeholder="全部状态" style="width: 140px"><el-option v-for="item in statuses" :key="item" :label="statusText(item)" :value="item" /></el-select><el-button @click="reset">重置</el-button><span class="spacer" /><span class="muted">显示 {{ filtered.length }} 条</span></div>
     <div class="generation-grid">
       <section class="table-panel"><el-table v-loading="loading" :data="filtered" border highlight-current-row empty-text="暂无生成记录" @current-change="selected=$event">
-        <el-table-column prop="id" label="任务编号" min-width="115"><template #default="{ row }"><span class="mono">#{{ row.id }}</span></template></el-table-column><el-table-column prop="user_id" label="用户" width="90"><template #default="{ row }">#{{ row.user_id }}</template></el-table-column>
-        <el-table-column label="状态" width="100"><template #default="{ row }"><el-tag :type="statusType(row.status)">{{ statusText(row.status) }}</el-tag></template></el-table-column><el-table-column prop="kind" label="类型" width="80" /><el-table-column prop="created_at" label="创建时间" width="175"><template #default="{ row }">{{ formatTime(row.created_at) }}</template></el-table-column>
+        <el-table-column prop="id" label="任务编号" min-width="105"><template #default="{ row }"><span class="mono">#{{ row.id }}</span></template></el-table-column><el-table-column label="用户账号" min-width="135"><template #default="{ row }"><strong>{{ row.username }}</strong><span v-if="row.display_name" class="user-name"> {{ row.display_name }}</span></template></el-table-column>
+        <el-table-column label="状态" width="100"><template #default="{ row }"><el-tag :type="statusType(row.status)">{{ statusText(row.status) }}</el-tag></template></el-table-column><el-table-column label="类型" width="70"><template #default="{ row }">{{ kindText(row.kind) }}</template></el-table-column><el-table-column label="总耗时" width="125"><template #default="{ row }"><span class="numeric">{{ timing(row).total }}</span></template></el-table-column><el-table-column prop="created_at" label="创建时间" width="175"><template #default="{ row }">{{ formatTime(row.created_at) }}</template></el-table-column>
       </el-table></section>
       <section class="generation-detail" aria-label="生成任务详情">
         <div v-if="!selected" class="empty-state"><i class="ri-file-search-line detail-icon" /><p>选择一条生成记录查看详情</p></div>
         <template v-else><div class="detail-head"><h2>任务 #{{ selected.id }}</h2><el-tag :type="statusType(selected.status)">{{ statusText(selected.status) }}</el-tag></div>
-          <dl class="detail-list"><dt>用户</dt><dd>#{{ selected.user_id }}</dd><dt>生成类型</dt><dd>{{ selected.kind }}</dd><dt>尝试次数</dt><dd>{{ selected.provider_attempt_count }}</dd><dt>完成时间</dt><dd>{{ formatTime(selected.completed_at) }}</dd><dt>错误码</dt><dd :class="selected.error_code ? 'danger-text mono' : ''">{{ selected.error_code || '-' }}</dd><dt>错误摘要</dt><dd>{{ selected.error_message || '-' }}</dd><dt>渲染 Prompt</dt><dd class="prompt">{{ selected.rendered_prompt || '-' }}</dd></dl>
-          <h3>尝试记录</h3><el-timeline v-if="attempts.length"><el-timeline-item v-for="(attempt, index) in attempts" :key="index" :type="attempt.presentation.type" :timestamp="attempt.presentation.timestamp"><strong>尝试 {{ index + 1 }} · {{ attempt.presentation.title }}</strong><p>{{ attempt.presentation.status }}<span v-if="attempt.error_message"> · {{ attempt.error_message }}</span></p></el-timeline-item></el-timeline><p v-else class="muted">尚无尝试记录。</p>
+          <dl class="detail-list"><dt>用户账号</dt><dd>{{ selected.username }}<span v-if="selected.display_name">（{{ selected.display_name }}）</span></dd><dt>生成类型</dt><dd>{{ kindText(selected.kind) }}</dd><dt>Provider 尝试</dt><dd>{{ selected.provider_attempt_count }}</dd><dt>总耗时</dt><dd class="numeric">{{ selectedTiming.total }}</dd><dt>排队耗时</dt><dd class="numeric">{{ selectedTiming.queue }}</dd><dt>处理耗时</dt><dd class="numeric">{{ selectedTiming.processing }}</dd><dt>上游耗时</dt><dd class="numeric">{{ selectedTiming.upstream }}</dd><dt>提交时间</dt><dd>{{ formatTime(selected.created_at) }}</dd><dt>开始时间</dt><dd>{{ formatTime(selected.started_at) }}</dd><dt>完成时间</dt><dd>{{ formatTime(selected.completed_at) }}</dd><template v-if="selected.error_code"><dt>错误码</dt><dd class="danger-text mono">{{ selected.error_code }}</dd></template><template v-if="selected.error_message"><dt>错误摘要</dt><dd>{{ selected.error_message }}</dd></template></dl>
+          <el-collapse class="prompt-collapse"><el-collapse-item title="渲染 Prompt"><pre class="prompt">{{ selected.rendered_prompt || '-' }}</pre></el-collapse-item></el-collapse>
+          <h3>尝试记录</h3><el-timeline v-if="attempts.length"><el-timeline-item v-for="(attempt, index) in attempts" :key="index" :type="attempt.presentation.type" :timestamp="formatTime(attempt.presentation.timestamp)"><strong>{{ attempt.presentation.label }} · {{ attempt.presentation.title }}</strong><p>{{ attempt.presentation.status }}<span v-if="attempt.presentation.duration !== '-'"> · {{ attempt.presentation.duration }}</span><span v-if="attempt.error_message"> · {{ attempt.error_message }}</span></p></el-timeline-item></el-timeline><p v-else class="muted">尚无尝试记录。</p>
         </template>
       </section>
     </div>
@@ -20,13 +21,14 @@
 <script>
 import { listGenerations } from '@/api/chorus'
 import { contains, dataOf, formatTime } from '../shared'
-import { attemptPresentation } from './helpers'
+import { attemptPresentation, generationTiming, kindText } from './helpers'
 export default {
   name: 'ChorusGenerations',
-  data() { return { loading: false, rows: [], selected: null, keyword: '', status: '', statuses: ['pending', 'running', 'succeeded', 'failed'] } },
-  computed: { filtered() { return this.rows.filter(row => (!this.keyword || [row.id, row.user_id, row.error_code].some(value => contains(value, this.keyword))) && (!this.status || row.status === this.status)) }, attempts() { return Array.isArray(this.selected && this.selected.attempts) ? this.selected.attempts.map(attempt => ({ ...attempt, presentation: attemptPresentation(attempt) })) : [] } },
-  created() { if (this.$route.query.user) this.keyword = String(this.$route.query.user); this.load() },
-  methods: { formatTime, async load() { this.loading = true; try { this.rows = dataOf(await listGenerations()); if (this.selected) this.selected = this.rows.find(row => row.id === this.selected.id) || null } finally { this.loading = false } }, reset() { this.keyword = ''; this.status = '' }, statusText(value) { return ({ pending: '等待中', running: '处理中', succeeded: '成功', failed: '失败' })[value] || value }, statusType(value) { return ({ pending: 'info', running: 'warning', succeeded: 'success', failed: 'danger' })[value] || 'info' } }
+  data() { return { loading: false, rows: [], selected: null, keyword: '', status: '', statuses: ['pending', 'running', 'succeeded', 'failed'], nowMs: Date.now(), clock: null } },
+  computed: { filtered() { return this.rows.filter(row => (!this.keyword || [row.id, row.user_id, row.username, row.display_name, row.error_code].some(value => contains(value, this.keyword))) && (!this.status || row.status === this.status)) }, attempts() { return Array.isArray(this.selected && this.selected.attempts) ? this.selected.attempts.map(attempt => ({ ...attempt, presentation: attemptPresentation(attempt) })) : [] }, selectedTiming() { return generationTiming(this.selected, this.nowMs) } },
+  created() { if (this.$route.query.user) this.keyword = String(this.$route.query.user); this.load(); this.clock = window.setInterval(() => { this.nowMs = Date.now() }, 1000) },
+  beforeUnmount() { window.clearInterval(this.clock) },
+  methods: { formatTime, kindText, timing(row) { return generationTiming(row, this.nowMs) }, async load() { this.loading = true; try { this.rows = dataOf(await listGenerations()); if (this.selected) this.selected = this.rows.find(row => row.id === this.selected.id) || null } finally { this.loading = false } }, reset() { this.keyword = ''; this.status = '' }, statusText(value) { return ({ pending: '等待中', running: '处理中', succeeded: '成功', failed: '失败' })[value] || value }, statusType(value) { return ({ pending: 'info', running: 'warning', succeeded: 'success', failed: 'danger' })[value] || 'info' } }
 }
 </script>
 <style lang="scss" scoped>
@@ -34,6 +36,6 @@ export default {
 .generation-grid { display: grid; grid-template-columns: minmax(520px, .9fr) minmax(420px, 1.1fr); gap: 12px; }
 .generation-detail { min-height: 420px; padding: 16px; border: 1px solid var(--el-border-color-light); background: var(--el-bg-color); }
 .detail-head { display: flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--el-border-color-light); padding-bottom: 10px; }
-.detail-head h2 { margin: 0; font-size: 16px; }.generation-detail h3 { font-size: 15px; margin: 18px 0 12px; }.prompt { white-space: pre-wrap; max-height: 180px; overflow: auto; }.detail-icon { font-size: 42px; }
+.detail-head h2 { margin: 0; font-size: 16px; }.generation-detail h3 { font-size: 15px; margin: 18px 0 12px; }.prompt-collapse { margin-top: 14px; }.prompt { white-space: pre-wrap; overflow-wrap: anywhere; max-height: 180px; overflow: auto; margin: 0; font-family: inherit; }.detail-icon { font-size: 42px; }.numeric { font-variant-numeric: tabular-nums; white-space: nowrap; }.user-name { display: block; color: var(--el-text-color-secondary); font-size: 12px; }
 @media (max-width: 1100px) { .generation-grid { grid-template-columns: 1fr; } }
 </style>
diff --git a/admin-ui/src/views/chorus/shared.js b/admin-ui/src/views/chorus/shared.js
index 5ff16e6..3e572f2 100644
--- a/admin-ui/src/views/chorus/shared.js
+++ b/admin-ui/src/views/chorus/shared.js
@@ -4,10 +4,12 @@ export function dataOf(response) {
 
 export function formatTime(value) {
   if (!value) return '-'
+  const date = new Date(value)
+  if (!Number.isFinite(date.getTime())) return '时间异常'
   return new Intl.DateTimeFormat('zh-CN', {
     year: 'numeric', month: '2-digit', day: '2-digit',
     hour: '2-digit', minute: '2-digit', second: '2-digit', hour12: false
-  }).format(new Date(value))
+  }).format(date)
 }
 
 export function contains(value, keyword) {
diff --git a/admin-ui/tests/unit/chorus/generation-attempts.spec.js b/admin-ui/tests/unit/chorus/generation-attempts.spec.js
index fcfde1e..669bd17 100644
--- a/admin-ui/tests/unit/chorus/generation-attempts.spec.js
+++ b/admin-ui/tests/unit/chorus/generation-attempts.spec.js
@@ -1,43 +1,58 @@
 import fs from 'fs'
 import path from 'path'
-import { attemptPresentation } from '@/views/chorus/generations/helpers'
+import { attemptPresentation, durationText, generationTiming, kindText } from '@/views/chorus/generations/helpers'
 
-describe('Chorus generation attempt presentation', () => {
-  test('renders a lease as task acquisition without a fake model', () => {
-    expect(attemptPresentation({ type: 'lease', started_at: '2026-08-25T09:39:46Z' })).toEqual({
-      title: '任务认领',
-      status: '已认领',
-      type: 'primary',
-      timestamp: '2026-08-25T09:39:46Z'
-    })
+describe('Chorus generation timing', () => {
+  test('derives terminal, queue, processing, and provider durations', () => {
+    expect(generationTiming({
+      status: 'succeeded',
+      created_at: '2026-08-25T09:00:00Z',
+      started_at: '2026-08-25T09:00:05Z',
+      completed_at: '2026-08-25T09:02:35Z',
+      attempts: [{ type: 'lease', latency_ms: 9000 }, { type: 'provider', latency_ms: 149500 }]
+    })).toEqual({ total: '2 分 35.0 秒', queue: '5.0 秒', processing: '2 分 30.0 秒', upstream: '2 分 29.5 秒' })
   })
 
-  test('renders an unfinished provider attempt as running', () => {
-    expect(attemptPresentation({ type: 'provider', provider_model_id: 4, started_at: '2026-08-25T09:39:47Z' })).toMatchObject({
-      title: '模型 #4', status: '进行中', type: 'warning'
-    })
+  test('uses now for active work and safely handles missing or invalid timestamps', () => {
+    expect(generationTiming({ status: 'pending', created_at: '2026-08-25T09:00:00Z', attempts: [] }, Date.parse('2026-08-25T09:00:09Z')).total).toBe('9.0 秒')
+    expect(generationTiming({ status: 'failed', created_at: 'bad', completed_at: null }).total).toBe('-')
+    expect(generationTiming({ status: 'succeeded', created_at: '2026-08-25T09:00:05Z', completed_at: '2026-08-25T09:00:00Z' }).total).toBe('时间异常')
+    expect(durationText(-1)).toBe('时间异常')
   })
 
-  test('renders a finished provider attempt without an error as succeeded', () => {
-    expect(attemptPresentation({ type: 'provider', provider_model_id: 4, started_at: 'start', finished_at: 'finish' })).toEqual({
-      title: '模型 #4', status: '成功', type: 'success', timestamp: 'finish'
-    })
-  })
-
-  test('renders an error as failed even when the event has no finished time', () => {
-    expect(attemptPresentation({ type: 'provider', provider_model_id: 4, error_code: 'route_unavailable', started_at: 'start' })).toEqual({
-      title: '模型 #4', status: 'route_unavailable', type: 'danger', timestamp: 'start'
-    })
-  })
-
-  test('uses a stable fallback for malformed or unknown events', () => {
-    expect(attemptPresentation(null)).toEqual({ title: '系统事件', status: '进行中', type: 'warning', timestamp: '' })
-    expect(attemptPresentation({ type: 'provider' }).title).toBe('模型未记录')
-  })
-
-  test('the page no longer depends on the nonexistent succeeded field', () => {
-    const source = fs.readFileSync(path.resolve(__dirname, '../../../src/views/chorus/generations/index.vue'), 'utf8')
-    expect(source).not.toContain('attempt.succeeded')
-    expect(source).not.toContain("模型 #{{ attempt.provider_model_id || '-' }}")
+  test('translates generation kinds', () => {
+    expect(kindText('image')).toBe('图片')
+    expect(kindText('text')).toBe('文本')
+    expect(kindText('other')).toBe('未知')
+  })
+})
+
+describe('Chorus generation attempt presentation', () => {
+  test('does not number system events as provider attempts', () => {
+    expect(attemptPresentation({ type: 'lease', started_at: '2026-08-25T09:39:46Z' })).toMatchObject({
+      label: '系统事件', title: '任务认领', status: '已认领', type: 'primary'
+    })
+  })
+
+  test('uses the persisted provider ordinal and enriched names', () => {
+    expect(attemptPresentation({
+      type: 'provider', provider_ordinal: 2, provider_name: '图像服务', model_name: '图像模型',
+      latency_ms: 150000, finished_at: '2026-08-25T09:42:17Z'
+    })).toMatchObject({
+      label: '尝试 2', title: '图像服务 · 图像模型', status: '成功', duration: '2 分 30.0 秒', type: 'success'
+    })
+  })
+
+  test('renders provider errors and stable name fallbacks', () => {
+    expect(attemptPresentation({ type: 'provider', provider_model_id: 4, error_code: 'route_unavailable' })).toMatchObject({
+      label: 'Provider 尝试', title: 'Provider 未记录 · 模型 #4', status: 'route_unavailable', type: 'danger'
+    })
+    expect(attemptPresentation(null)).toMatchObject({ label: '系统事件', title: '系统事件', status: '进行中' })
+  })
+
+  test('the page no longer depends on the nonexistent succeeded field or array index ordinal', () => {
+    const source = fs.readFileSync(path.resolve(__dirname, '../../../src/views/chorus/generations/index.vue'), 'utf8')
+    expect(source).not.toContain('attempt.succeeded')
+    expect(source).not.toContain('尝试 {{ index + 1 }}')
   })
 })
diff --git a/admin/app/chorus/service.go b/admin/app/chorus/service.go
index 14f32a1..4719460 100644
--- a/admin/app/chorus/service.go
+++ b/admin/app/chorus/service.go
@@ -238,6 +238,7 @@ type generationRow struct {
 	ErrorMessage         *string                `gorm:"column:error_message"`
 	ProviderAttemptCount uint32                 `gorm:"column:provider_attempt_count"`
 	CreatedAt            time.Time              `gorm:"column:created_at"`
+	StartedAt            *time.Time             `gorm:"column:started_at"`
 	CompletedAt          *time.Time             `gorm:"column:completed_at"`
 }
 
@@ -736,9 +737,74 @@ func (s *Service) Generations(ctx context.Context) ([]GenerationView, error) {
 	if err := s.db.WithContext(ctx).Order("created_at DESC, id DESC").Limit(100).Find(&rows).Error; err != nil {
 		return nil, fmt.Errorf("list generations: %w", err)
 	}
+	userIDs := make([]uint64, 0, len(rows))
+	userSeen := make(map[uint64]struct{}, len(rows))
+	modelSeen := make(map[uint64]struct{})
+	parsedAttempts := make(map[uint64][]model.Attempt, len(rows))
+	for _, row := range rows {
+		if _, ok := userSeen[row.UserID]; !ok {
+			userSeen[row.UserID] = struct{}{}
+			userIDs = append(userIDs, row.UserID)
+		}
+		attempts := parseGenerationAttempts(row.Attempts)
+		parsedAttempts[row.ID] = attempts
+		for _, attempt := range attempts {
+			if attempt.ProviderModelID != 0 {
+				modelSeen[attempt.ProviderModelID] = struct{}{}
+			}
+		}
+	}
+
+	users := make(map[uint64]portalUserRow, len(userIDs))
+	if len(userIDs) > 0 {
+		var userRows []portalUserRow
+		if err := s.db.WithContext(ctx).Where("id IN ?", userIDs).Find(&userRows).Error; err != nil {
+			return nil, fmt.Errorf("list generation users: %w", err)
+		}
+		for _, row := range userRows {
+			users[row.ID] = row
+		}
+	}
+
+	modelIDs := make([]uint64, 0, len(modelSeen))
+	for id := range modelSeen {
+		modelIDs = append(modelIDs, id)
+	}
+	models := make(map[uint64]providerModelRow, len(modelIDs))
+	providers := make(map[uint64]providerRow)
+	if len(modelIDs) > 0 {
+		var modelRows []providerModelRow
+		if err := s.db.WithContext(ctx).Where("id IN ?", modelIDs).Find(&modelRows).Error; err != nil {
+			return nil, fmt.Errorf("list generation provider models: %w", err)
+		}
+		providerIDs := make([]uint64, 0, len(modelRows))
+		providerSeen := make(map[uint64]struct{}, len(modelRows))
+		for _, row := range modelRows {
+			models[row.ID] = row
+			if _, ok := providerSeen[row.ProviderID]; !ok {
+				providerSeen[row.ProviderID] = struct{}{}
+				providerIDs = append(providerIDs, row.ProviderID)
+			}
+		}
+		if len(providerIDs) > 0 {
+			var providerRows []providerRow
+			if err := s.db.WithContext(ctx).Where("id IN ?", providerIDs).Find(&providerRows).Error; err != nil {
+				return nil, fmt.Errorf("list generation providers: %w", err)
+			}
+			for _, row := range providerRows {
+				providers[row.ID] = row
+			}
+		}
+	}
+
 	items := make([]GenerationView, 0, len(rows))
 	for _, row := range rows {
-		item := GenerationView{ID: row.ID, UserID: row.UserID, Status: row.Status, Kind: row.Kind, RenderedPrompt: truncate(row.RenderedPrompt, 1024), Attempts: append(json.RawMessage(nil), row.Attempts...), ProviderAttemptCnt: row.ProviderAttemptCount, CreatedAt: row.CreatedAt, CompletedAt: row.CompletedAt}
+		user := users[row.UserID]
+		username := user.Username
+		if username == "" {
+			username = fmt.Sprintf("user_%d", row.UserID)
+		}
+		item := GenerationView{ID: row.ID, UserID: row.UserID, Username: username, DisplayName: user.DisplayName, Status: row.Status, Kind: row.Kind, RenderedPrompt: truncate(row.RenderedPrompt, 1024), Attempts: enrichGenerationAttempts(parsedAttempts[row.ID], models, providers), ProviderAttemptCnt: row.ProviderAttemptCount, CreatedAt: row.CreatedAt, StartedAt: row.StartedAt, CompletedAt: row.CompletedAt}
 		if row.ErrorCode != nil {
 			item.ErrorCode = *row.ErrorCode
 		}
@@ -750,6 +816,27 @@ func (s *Service) Generations(ctx context.Context) ([]GenerationView, error) {
 	return items, nil
 }
 
+func parseGenerationAttempts(raw json.RawMessage) []model.Attempt {
+	var attempts []model.Attempt
+	if len(raw) == 0 || json.Unmarshal(raw, &attempts) != nil {
+		return []model.Attempt{}
+	}
+	return attempts
+}
+
+func enrichGenerationAttempts(attempts []model.Attempt, models map[uint64]providerModelRow, providers map[uint64]providerRow) []GenerationAttemptView {
+	items := make([]GenerationAttemptView, 0, len(attempts))
+	for _, attempt := range attempts {
+		item := GenerationAttemptView{Attempt: attempt}
+		if providerModel, ok := models[attempt.ProviderModelID]; ok {
+			item.ModelName = providerModel.Name
+			item.ProviderName = providers[providerModel.ProviderID].Name
+		}
+		items = append(items, item)
+	}
+	return items
+}
+
 func (s *Service) StartConnectivityCheck(ctx context.Context, actor uint64, requestID string, providerModelID uint64) (ConnectivityCheckView, error) {
 	if providerModelID == 0 {
 		return ConnectivityCheckView{}, FieldError{Field: "provider_model_id", Message: "must be positive"}
diff --git a/admin/app/chorus/service_test.go b/admin/app/chorus/service_test.go
index b9f554a..3fc7298 100644
--- a/admin/app/chorus/service_test.go
+++ b/admin/app/chorus/service_test.go
@@ -1,6 +1,11 @@
 package chorus
 
-import "testing"
+import (
+	"encoding/json"
+	"testing"
+
+	"git.ilapage.cn/OPC/chorus/internal/core/model"
+)
 
 func TestPortalUserViewUsername(t *testing.T) {
 	if got := portalUserView(portalUserRow{ID: 7, Username: "named-user"}).Username; got != "named-user" {
@@ -10,3 +15,21 @@ func TestPortalUserViewUsername(t *testing.T) {
 		t.Fatalf("pre-migration username = %q", got)
 	}
 }
+
+func TestGenerationAttemptEnrichmentAndMalformedFallback(t *testing.T) {
+	attempts := parseGenerationAttempts(json.RawMessage(`[{"type":"lease"},{"type":"provider","provider_model_id":4,"provider_ordinal":1}]`))
+	items := enrichGenerationAttempts(attempts, map[uint64]providerModelRow{4: {ID: 4, ProviderID: 2, Name: "图像模型"}}, map[uint64]providerRow{2: {ID: 2, Name: "图像服务"}})
+	if len(items) != 2 || items[0].Type != "lease" {
+		t.Fatalf("events = %#v", items)
+	}
+	if items[1].ProviderName != "图像服务" || items[1].ModelName != "图像模型" || items[1].ProviderOrdinal != 1 {
+		t.Fatalf("provider attempt = %#v", items[1])
+	}
+	if got := parseGenerationAttempts(json.RawMessage(`{"broken":true}`)); len(got) != 0 {
+		t.Fatalf("malformed attempts = %#v", got)
+	}
+	unknown := enrichGenerationAttempts([]model.Attempt{{Type: "provider", ProviderModelID: 99}}, nil, nil)
+	if len(unknown) != 1 || unknown[0].ProviderName != "" || unknown[0].ModelName != "" {
+		t.Fatalf("unknown model fallback = %#v", unknown)
+	}
+}
diff --git a/admin/app/chorus/types.go b/admin/app/chorus/types.go
index 1e76a20..9314aa0 100644
--- a/admin/app/chorus/types.go
+++ b/admin/app/chorus/types.go
@@ -174,17 +174,26 @@ type UserView struct {
 }
 
 type GenerationView struct {
-	ID                 uint64                 `json:"id"`
-	UserID             uint64                 `json:"user_id"`
-	Status             model.GenerationStatus `json:"status"`
-	Kind               model.GenerationKind   `json:"kind"`
-	RenderedPrompt     string                 `json:"rendered_prompt"`
-	Attempts           json.RawMessage        `json:"attempts"`
-	ErrorCode          string                 `json:"error_code,omitempty"`
-	ErrorMessage       string                 `json:"error_message,omitempty"`
-	ProviderAttemptCnt uint32                 `json:"provider_attempt_count"`
-	CreatedAt          time.Time              `json:"created_at"`
-	CompletedAt        *time.Time             `json:"completed_at,omitempty"`
+	ID                 uint64                  `json:"id"`
+	UserID             uint64                  `json:"user_id"`
+	Username           string                  `json:"username"`
+	DisplayName        string                  `json:"display_name"`
+	Status             model.GenerationStatus  `json:"status"`
+	Kind               model.GenerationKind    `json:"kind"`
+	RenderedPrompt     string                  `json:"rendered_prompt"`
+	Attempts           []GenerationAttemptView `json:"attempts"`
+	ErrorCode          string                  `json:"error_code,omitempty"`
+	ErrorMessage       string                  `json:"error_message,omitempty"`
+	ProviderAttemptCnt uint32                  `json:"provider_attempt_count"`
+	CreatedAt          time.Time               `json:"created_at"`
+	StartedAt          *time.Time              `json:"started_at,omitempty"`
+	CompletedAt        *time.Time              `json:"completed_at,omitempty"`
+}
+
+type GenerationAttemptView struct {
+	model.Attempt
+	ProviderName string `json:"provider_name,omitempty"`
+	ModelName    string `json:"model_name,omitempty"`
 }
 
 type APIKeyFilter struct {
diff --git a/docs/02-architecture-and-code-map.md b/docs/02-architecture-and-code-map.md
index 1e3c634..e032508 100644
--- a/docs/02-architecture-and-code-map.md
+++ b/docs/02-architecture-and-code-map.md
@@ -2,8 +2,8 @@
 generated: true (请先修改 Gitea Wiki，禁止直接编辑本文件)
 wiki_page: Architecture-and-Code-Map
 wiki_url: https://git.ilapage.cn/OPC/chorus/wiki/Architecture-and-Code-Map.-
-wiki_revision: 2fac5b4b6c936d234e63c11ad57aba40777f9d7a
-synchronized_at: 2026-08-25T08:47:41Z
+wiki_revision: 2ea61cf082225af867299f24eb6c44661ca7052b
+synchronized_at: 2026-08-26T03:32:56Z
 <!-- gitea-wiki-mirror:end -->
 
 # 架构与代码地图
@@ -455,3 +455,14 @@ Provider 限流检查发生在真实上游调用前。放行后才执行 `BeginP
 - `images` 文生图与 `images_edits` 图片编辑是两个独立协议和能力，不能只改 URL 相互替代；ProviderModel、PromptTemplate、RoutePool 和活动路由必须按 `image_generate` / `image_edit` 分开配置。
 - `portal/service.ImageCapabilities` 通过活动路由快照向工作台暴露 `image_generate` 与 `image_edit` 可用性；工作台优先选择可用的图片编辑模式、禁用没有活动路由的模式，两种路由都不可用时禁用提交。该页面提示只是前置反馈，提交服务仍执行独立路由校验。
 <!-- issue-60:end -->
+
+
+<!-- issue-65:start -->
+## #65 Generation 时间字段与耗时派生
+
+- Portal 浏览器 Generation 响应和 OpenAPI Generation schema 均包含可空 `started_at`；`created_at / started_at / completed_at` 统一输出 UTC ISO 8601。浏览器详情的 output 同步返回 `mime_type / size_bytes / width / height / created_at`。
+- Admin `GenerationView` 返回 `started_at`、终端用户 `username / display_name` 和结构化 attempts。服务层按本批 generation 涉及的用户、ProviderModel、Provider ID 批量查询名称，避免逐行查询；未知引用保留 ID 兜底。
+- 终态总耗时为 `completed_at-created_at`；非终态总耗时为当前时刻减 `created_at`；排队为 `started_at-created_at`；处理为终态 `completed_at-started_at` 或运行中当前时刻减 `started_at`；上游耗时只汇总 `type=provider` 的 `latency_ms`。
+- attempts JSON 解析失败时 Admin 返回空时间线而不是使列表接口失败。系统事件不使用数组下标冒充 Provider 尝试序号；Provider 时间线使用持久化的 `provider_ordinal`。
+- 所有耗时均为响应/界面派生值；本变更不修改 migration、worker、路由、重试、租约或生成状态机。
+<!-- issue-65:end -->
diff --git a/docs/09-product-requirements-overview.md b/docs/09-product-requirements-overview.md
index 6248d65..4d16c7a 100644
--- a/docs/09-product-requirements-overview.md
+++ b/docs/09-product-requirements-overview.md
@@ -2,8 +2,8 @@
 generated: true (请先修改 Gitea Wiki，禁止直接编辑本文件)
 wiki_page: Product-Requirements-Overview
 wiki_url: https://git.ilapage.cn/OPC/chorus/wiki/Product-Requirements-Overview.-
-wiki_revision: 2222a92ff7b1bd7e5ece25ff26b9b39a7f04b310
-synchronized_at: 2026-08-25T03:22:02Z
+wiki_revision: 7500d2fdc3c026e3abb5a3cfd7e614cfb6ebd07f
+synchronized_at: 2026-08-26T03:33:42Z
 <!-- gitea-wiki-mirror:end -->
 
 # 产品需求总览
@@ -305,3 +305,14 @@ MVP-2 的 API Key、OpenAPI v1、三维限流、安全审计、Portal 页面和
 MVP-2 父工单 #35 仍等待用户单独确认后关闭；本节只记录 #47 跨模块集成验收及其缺陷 #52、#53 已通过。
 
 <!-- issue-47-mvp2-integration:end -->
+
+
+<!-- issue-65:start -->
+## 生成记录耗时与信息边界（#65）
+
+- Portal 生成历史以“状态 · 耗时 · 相对时间”展示：终态显示固定总耗时，pending 显示实时已等待，running 显示实时已用时；当前结果头部采用相同口径。
+- Portal 图片结果显示格式、分辨率和文件大小。终端用户侧不展示 Provider、模型、attempt、内部错误码或渲染 Prompt。
+- Admin 生成记录列表显示用户账号、中文生成类型、总耗时和创建时间；详情派生总耗时、排队耗时、处理耗时与 Provider 上游耗时，并显示提交、开始、完成的本地时间。
+- Admin 时间线把 lease、本地限流等标记为系统事件，不占 Provider 尝试序号；Provider 尝试显示持久化序号、Provider/模型名称、单次耗时和状态。
+- 旧记录的缺失、畸形或逆序时间采用安全兜底，不显示负耗时，也不导致页面异常。耗时只从既有时间戳和 `latency_ms` 派生，不持久化重复字段。
+<!-- issue-65:end -->
diff --git a/portal/handler/router.go b/portal/handler/router.go
index a7a11cb..443aaad 100644
--- a/portal/handler/router.go
+++ b/portal/handler/router.go
@@ -320,7 +320,7 @@ func (h *Handler) detail(c *gin.Context) {
 	}
 	outputs := make([]gin.H, 0, len(detail.Outputs))
 	for _, output := range detail.Outputs {
-		item := gin.H{"id": output.ID, "kind": output.Kind}
+		item := gin.H{"id": output.ID, "kind": output.Kind, "mime_type": output.MIMEType, "size_bytes": output.SizeBytes, "width": output.Width, "height": output.Height, "created_at": output.CreatedAt.UTC()}
 		if output.TextContent != nil {
 			item["text"] = *output.TextContent
 		}
@@ -405,7 +405,15 @@ func (h *Handler) writeOutput(c *gin.Context, thumbnail bool) {
 }
 
 func generationResponse(generation model.Generation) gin.H {
-	return gin.H{"id": generation.ID, "kind": generation.Kind, "status": generation.Status, "terminal": generation.Status.Terminal(), "user_prompt": generation.UserPrompt, "error_code": generation.ErrorCode, "error_message": generation.ErrorMessage, "created_at": generation.CreatedAt, "completed_at": generation.CompletedAt}
+	return gin.H{"id": generation.ID, "kind": generation.Kind, "status": generation.Status, "terminal": generation.Status.Terminal(), "user_prompt": generation.UserPrompt, "error_code": generation.ErrorCode, "error_message": generation.ErrorMessage, "created_at": generation.CreatedAt.UTC(), "started_at": utcTimePointer(generation.StartedAt), "completed_at": utcTimePointer(generation.CompletedAt)}
+}
+
+func utcTimePointer(value *time.Time) *time.Time {
+	if value == nil {
+		return nil
+	}
+	utc := value.UTC()
+	return &utc
 }
 func (h *Handler) serviceError(c *gin.Context, err error) {
 	var fileError *service.FileError
diff --git a/portal/handler/router_test.go b/portal/handler/router_test.go
index 2e74be3..7b72ec1 100644
--- a/portal/handler/router_test.go
+++ b/portal/handler/router_test.go
@@ -1,6 +1,11 @@
 package handler
 
-import "testing"
+import (
+	"testing"
+	"time"
+
+	"git.ilapage.cn/OPC/chorus/internal/core/model"
+)
 
 func TestSafeReturnTo(t *testing.T) {
 	tests := []struct {
@@ -21,3 +26,20 @@ func TestSafeReturnTo(t *testing.T) {
 		}
 	}
 }
+
+func TestGenerationResponseUsesUTCAndIncludesStartedAt(t *testing.T) {
+	location := time.FixedZone("UTC+8", 8*60*60)
+	created := time.Date(2026, 8, 25, 17, 0, 0, 0, location)
+	started := created.Add(5 * time.Second)
+	response := generationResponse(model.Generation{ID: 7, Status: model.StatusRunning, CreatedAt: created, StartedAt: &started})
+	if got := response["created_at"].(time.Time); got.Location() != time.UTC || got.Hour() != 9 {
+		t.Fatalf("created_at = %#v", got)
+	}
+	gotStarted, ok := response["started_at"].(*time.Time)
+	if !ok || gotStarted == nil || gotStarted.Location() != time.UTC || gotStarted.Hour() != 9 {
+		t.Fatalf("started_at = %#v", response["started_at"])
+	}
+	if response["completed_at"] != (*time.Time)(nil) {
+		t.Fatalf("completed_at = %#v", response["completed_at"])
+	}
+}
diff --git a/portal/openapi/openapi.json b/portal/openapi/openapi.json
index b92c4c9..2f8338e 100644
--- a/portal/openapi/openapi.json
+++ b/portal/openapi/openapi.json
@@ -185,6 +185,7 @@
           "error_code": {"type": ["string", "null"]},
           "error_message": {"type": ["string", "null"]},
           "created_at": {"type": "string", "format": "date-time"},
+          "started_at": {"type": ["string", "null"], "format": "date-time"},
           "completed_at": {"type": ["string", "null"], "format": "date-time"}
         }
       },
diff --git a/portal/openapi/spec_test.go b/portal/openapi/spec_test.go
index 57b1376..1419c1c 100644
--- a/portal/openapi/spec_test.go
+++ b/portal/openapi/spec_test.go
@@ -63,3 +63,22 @@ func TestSpecReturnsDefensiveCopy(t *testing.T) {
 		t.Fatal("Spec returned mutable embedded storage")
 	}
 }
+
+func TestGenerationSchemaIncludesNullableStartedAt(t *testing.T) {
+	var document map[string]any
+	if err := json.Unmarshal(Spec(), &document); err != nil {
+		t.Fatal(err)
+	}
+	components := document["components"].(map[string]any)
+	schemas := components["schemas"].(map[string]any)
+	generation := schemas["Generation"].(map[string]any)
+	properties := generation["properties"].(map[string]any)
+	startedAt, ok := properties["started_at"].(map[string]any)
+	if !ok || startedAt["format"] != "date-time" {
+		t.Fatalf("started_at schema = %#v", properties["started_at"])
+	}
+	types, ok := startedAt["type"].([]any)
+	if !ok || len(types) != 2 || types[0] != "string" || types[1] != "null" {
+		t.Fatalf("started_at type = %#v", startedAt["type"])
+	}
+}
diff --git a/portal/web/e2e/fixture/main.go b/portal/web/e2e/fixture/main.go
index 3e286c9..1711bb1 100644
--- a/portal/web/e2e/fixture/main.go
+++ b/portal/web/e2e/fixture/main.go
@@ -184,8 +184,8 @@ func setRunning(db *gorm.DB, generationID uint64, email string) error {
 	}
 	result := db.Model(&model.Generation{}).Where("id=? AND status=?", generationID, model.StatusPending).Updates(map[string]any{
 		"status": model.StatusRunning, "lease_owner": "e2e-fixture", "lease_token": fixtureLeaseToken,
-		"lease_until": time.Now().Add(5 * time.Minute), "attempt_count": 1,
-		"attempts": gorm.Expr("JSON_ARRAY(JSON_OBJECT('attempt',1,'started_at',NOW(6),'latency_ms',1))"),
+		"lease_until": time.Now().Add(5 * time.Minute), "started_at": time.Now(), "attempt_count": 1,
+		"attempts": gorm.Expr("JSON_ARRAY(JSON_OBJECT('type','lease','started_at',NOW(6)))"),
 	})
 	if result.Error != nil || result.RowsAffected != 1 {
 		return fmt.Errorf("set fixture generation running")
@@ -234,9 +234,10 @@ func setImageSuccess(db *gorm.DB, generationID uint64, email string) error {
 	}()
 	mimeType := objects.Original.ContentType
 	size := uint64(objects.Original.Size)
+	width, height := uint32(4), uint32(4)
 	originalKey, thumbnailKey := objects.Original.Key, objects.Thumbnail.Key
 	err = db.Transaction(func(tx *gorm.DB) error {
-		output := model.GenerationOutput{GenerationID: generationID, Kind: model.KindImage, StorageKey: &originalKey, ThumbnailStorageKey: &thumbnailKey, MIMEType: &mimeType, SizeBytes: &size}
+		output := model.GenerationOutput{GenerationID: generationID, Kind: model.KindImage, StorageKey: &originalKey, ThumbnailStorageKey: &thumbnailKey, MIMEType: &mimeType, SizeBytes: &size, Width: &width, Height: &height}
 		if err := tx.Create(&output).Error; err != nil {
 			return err
 		}
diff --git a/portal/web/e2e/portal.spec.js b/portal/web/e2e/portal.spec.js
index b4bee4d..89810cb 100644
--- a/portal/web/e2e/portal.spec.js
+++ b/portal/web/e2e/portal.spec.js
@@ -192,9 +192,17 @@ test("browser submits image generation and ordered image editing", async ({ page
   fixture("running", generatedID);
   await page.reload();
   await expect(page.getByText("正在生成内容")).toBeVisible();
+  await expect(page.locator("#result-section .generation-duration")).toContainText("已用时");
   fixture("image-success", generatedID);
   await expect(page.locator(".result-gallery img")).toBeVisible({ timeout: 5_000 });
   await expect(page.locator("#result-section")).not.toHaveAttribute("hx-get");
+  await expect(page.locator("#result-section .generation-duration")).toContainText("总耗时");
+  await expect(page.locator(".result-meta")).toContainText("PNG · 4 x 4");
+  const generatedDetail = await (await page.request.get(`/api/generations/${generatedID}`)).json();
+  expect(generatedDetail.started_at).toBeTruthy();
+  expect(generatedDetail.outputs[0]).toMatchObject({ mime_type: "image/png", width: 4, height: 4 });
+  expect(generatedDetail.outputs[0].size_bytes).toBeGreaterThan(0);
+  expect(generatedDetail.outputs[0].created_at).toBeTruthy();
 
   await page.goto("/");
   await page.locator('[data-mode="edit"]').click();
diff --git a/portal/web/static/app.js b/portal/web/static/app.js
index 95e7e50..b8770df 100644
--- a/portal/web/static/app.js
+++ b/portal/web/static/app.js
@@ -371,13 +371,45 @@
   }
 
   function relativeTime(value) {
-    const elapsed = Math.max(0, Date.now() - new Date(value).getTime());
+    const timestamp = new Date(value).getTime();
+    if (!Number.isFinite(timestamp)) return "时间未知";
+    const elapsed = Math.max(0, Date.now() - timestamp);
     if (elapsed < 60000) return "刚刚";
     if (elapsed < 3600000) return `${Math.floor(elapsed / 60000)} 分钟前`;
     if (elapsed < 86400000) return `${Math.floor(elapsed / 3600000)} 小时前`;
     return new Intl.DateTimeFormat("zh-CN", { month: "2-digit", day: "2-digit", hour: "2-digit", minute: "2-digit", hour12: false }).format(new Date(value));
   }
 
+  function formatDuration(milliseconds) {
+    if (!Number.isFinite(milliseconds) || milliseconds < 0) return "时间异常";
+    if (milliseconds < 1000) return "<1秒";
+    let seconds = Math.round(milliseconds / 1000);
+    if (seconds < 60) return `${seconds}秒`;
+    const minutes = Math.floor(seconds / 60);
+    seconds %= 60;
+    if (minutes < 60) return `${minutes}分${String(seconds).padStart(2, "0")}秒`;
+    const hours = Math.floor(minutes / 60);
+    return `${hours}小时${String(minutes % 60).padStart(2, "0")}分${String(seconds).padStart(2, "0")}秒`;
+  }
+
+  function generationDuration(status, createdAt, completedAt, context = "history", now = Date.now()) {
+    const created = new Date(createdAt).getTime();
+    const terminal = status === "succeeded" || status === "failed";
+    const completed = completedAt ? new Date(completedAt).getTime() : NaN;
+    if (!Number.isFinite(created) || (terminal && !Number.isFinite(completed))) return "耗时未知";
+    const value = formatDuration((terminal ? completed : now) - created);
+    if (value === "时间异常") return value;
+    if (terminal) return context === "result" ? `总耗时 ${value}` : value;
+    return `${status === "pending" ? "已等待" : "已用时"} ${value}`;
+  }
+
+  function updateTimes(root = document) {
+    root.querySelectorAll?.(".generation-duration").forEach(element => {
+      element.textContent = generationDuration(element.dataset.status, element.dataset.createdAt, element.dataset.completedAt, element.dataset.durationContext);
+    });
+    root.querySelectorAll?.("time.relative-time").forEach(element => { element.textContent = relativeTime(element.dateTime); });
+  }
+
   function historyItem(row) {
     const item = document.createElement("li");
     item.dataset.historySearch = `${row.user_prompt || ""} ${row.kind || ""}`;
@@ -386,6 +418,8 @@
     link.href = `/generations/${row.id}`;
     const iconWrap = document.createElement("span");
     iconWrap.className = "history-icon";
+    iconWrap.setAttribute("aria-label", row.kind === "image" ? "图片" : "文本");
+    iconWrap.title = row.kind === "image" ? "图片" : "文本";
     const icon = document.createElement("i");
     icon.className = "icon";
     icon.dataset.lucide = row.kind === "image" ? "image" : "file-text";
@@ -400,7 +434,18 @@
     meta.className = "history-meta";
     const dot = document.createElement("span");
     dot.className = `status-dot ${row.status === "succeeded" ? "success" : row.status || ""}`;
-    meta.append(dot, document.createTextNode(`${statusText(row.status)} · ${row.kind === "image" ? "图片" : "文本"} · ${relativeTime(row.created_at)}`));
+    const duration = document.createElement("span");
+    duration.className = "generation-duration";
+    duration.dataset.durationContext = "history";
+    duration.dataset.status = row.status || "";
+    duration.dataset.createdAt = row.created_at || "";
+    duration.dataset.completedAt = row.completed_at || "";
+    duration.textContent = generationDuration(row.status, row.created_at, row.completed_at);
+    const relative = document.createElement("time");
+    relative.className = "relative-time";
+    relative.dateTime = row.created_at || "";
+    relative.textContent = relativeTime(row.created_at);
+    meta.append(dot, document.createTextNode(`${statusText(row.status)} · `), duration, document.createTextNode(" · "), relative);
     copy.append(title, meta);
     link.append(iconWrap, copy);
     item.append(link);
@@ -538,7 +583,7 @@
     document.querySelector("#dismiss-auth")?.addEventListener("click", () => hide(document.querySelector("#auth-modal")));
     document.querySelector("#relogin-button")?.addEventListener("click", () => window.location.assign(`/login?return_to=${encodeURIComponent(window.location.pathname)}`));
     document.addEventListener("keydown", event => { if (event.key === "Escape") { hide(document.querySelector("#auth-modal")); document.querySelector("#main-content")?.focus(); } });
-    document.body.addEventListener("htmx:afterSwap", event => renderIcons(event.detail.target));
+    document.body.addEventListener("htmx:afterSwap", event => { renderIcons(event.detail.target); updateTimes(event.detail.target); });
     const handlePollingError = event => {
       const status = event.detail.xhr?.status || 0; const element = event.detail.elt;
       if (status === 401) { showAuthExpired(); return; }
@@ -547,6 +592,8 @@
     document.body.addEventListener("htmx:responseError", handlePollingError);
     document.body.addEventListener("htmx:sendError", handlePollingError);
     updatePromptPreview();
+    updateTimes();
+    window.setInterval(() => updateTimes(), 1000);
   }
 
   document.addEventListener("alpine:init", initializeAlpine);
diff --git a/portal/web/templates/app.html b/portal/web/templates/app.html
index 6120f53..3aef14a 100644
--- a/portal/web/templates/app.html
+++ b/portal/web/templates/app.html
@@ -34,8 +34,8 @@
         {{if .History}}<ul class="history-list" id="history-list" aria-live="polite">
           {{range .History}}<li data-history-search="{{.UserPrompt}} {{kindLabel .Kind}}">
             <a class="history-item" href="/generations/{{.ID}}" {{if $.Current}}{{if eq .ID $.Current.Generation.ID}}aria-current="page"{{end}}{{end}}>
-              <span class="history-icon"><i class="icon" data-lucide="{{kindIcon .Kind}}"></i></span>
-              <span class="history-copy"><span class="history-title" title="{{.UserPrompt}}">{{shortPrompt .UserPrompt}}</span><span class="history-meta"><span class="status-dot {{statusTone .Status}}"></span>{{statusLabel .Status}} · {{kindLabel .Kind}} · {{relativeTime .CreatedAt}}</span></span>
+              <span class="history-icon" aria-label="{{kindLabel .Kind}}" title="{{kindLabel .Kind}}"><i class="icon" data-lucide="{{kindIcon .Kind}}"></i></span>
+              <span class="history-copy"><span class="history-title" title="{{.UserPrompt}}">{{shortPrompt .UserPrompt}}</span><span class="history-meta"><span class="status-dot {{statusTone .Status}}"></span>{{statusLabel .Status}} · <span class="generation-duration" data-duration-context="history" data-status="{{.Status}}" data-created-at="{{.CreatedAt.UTC.Format "2006-01-02T15:04:05.999999999Z07:00"}}" data-completed-at="{{timeAttr .CompletedAt}}">{{historyDuration .}}</span> · <time class="relative-time" datetime="{{.CreatedAt.UTC.Format "2006-01-02T15:04:05.999999999Z07:00"}}">{{relativeTime .CreatedAt}}</time></span></span>
             </a>
           </li>{{end}}<li class="history-sentinel" id="history-sentinel" aria-hidden="true"></li>
         </ul>
diff --git a/portal/web/templates/result.html b/portal/web/templates/result.html
index d65cfef..08b114c 100644
--- a/portal/web/templates/result.html
+++ b/portal/web/templates/result.html
@@ -1,12 +1,12 @@
 {{define "result"}}<div id="result-section" {{if .Current}}{{if not (terminal .Current.Generation.Status)}}hx-get="/ui/generations/{{.Current.Generation.ID}}/result" hx-trigger="load delay:1200ms, retryPoll" hx-swap="outerHTML"{{end}}{{end}}>
-  <div class="panel-header"><div class="panel-heading-group"><h2 id="result-title">当前结果</h2><p>{{if .Current}}任务 #{{.Current.Generation.ID}} · {{kindLabel .Current.Generation.Kind}}{{else}}填写要求后开始生成{{end}}</p></div>{{if .Current}}<span class="status-badge" data-tone="{{statusTone .Current.Generation.Status}}"><span class="status-dot {{statusTone .Current.Generation.Status}}"></span>{{statusLabel .Current.Generation.Status}}</span>{{end}}</div>
+  <div class="panel-header"><div class="panel-heading-group"><h2 id="result-title">当前结果</h2><p>{{if .Current}}任务 #{{.Current.Generation.ID}} · {{kindLabel .Current.Generation.Kind}} · <span class="generation-duration" data-duration-context="result" data-status="{{.Current.Generation.Status}}" data-created-at="{{.Current.Generation.CreatedAt.UTC.Format "2006-01-02T15:04:05.999999999Z07:00"}}" data-completed-at="{{timeAttr .Current.Generation.CompletedAt}}">{{resultDuration .Current.Generation}}</span>{{else}}填写要求后开始生成{{end}}</p></div>{{if .Current}}<span class="status-badge" data-tone="{{statusTone .Current.Generation.Status}}"><span class="status-dot {{statusTone .Current.Generation.Status}}"></span>{{statusLabel .Current.Generation.Status}}</span>{{end}}</div>
   <div class="result-body" aria-live="polite">
   {{if not .Current}}<div class="state-message"><span class="state-icon"><i class="icon" data-lucide="plus"></i></span><h3>开始第一次生成</h3><p>选择文本或图片，填写要求后提交。任务状态和结果会显示在这里。</p></div>
   {{else if eq .Current.Generation.Status "pending"}}<div class="state-message"><span class="state-icon"><i class="icon" data-lucide="clock-3"></i></span><h3>任务正在排队</h3><p>请求已经保存，尚未开始执行。可以离开当前页面，稍后从历史记录返回。</p></div>
   {{else if eq .Current.Generation.Status "running"}}<div class="state-message"><span class="state-icon"><i class="icon" data-lucide="refresh-cw"></i></span><h3>正在生成内容</h3><p>任务已经开始执行。页面会自动更新状态，不需要重复提交。</p><div class="progress-track" aria-label="生成进行中"><div class="progress-bar"></div></div></div>
   {{else if eq .Current.Generation.Status "failed"}}<div class="state-message"><span class="state-icon danger"><i class="icon" data-lucide="alert-circle"></i></span><h3>这次生成没有完成</h3><p>{{if .Current.Generation.ErrorMessage}}{{value .Current.Generation.ErrorMessage}}{{else}}生成服务暂时不可用，输入已经保留。{{end}}</p><button class="button button-primary retry-button" type="button" data-generation-id="{{.Current.Generation.ID}}"><i class="icon" data-lucide="refresh-cw"></i>再次生成</button></div>
   {{else if eq .Current.Generation.Kind "text"}}<div><article class="text-result">{{range .Current.Outputs}}{{if .TextContent}}<p>{{value .TextContent}}</p>{{end}}{{end}}</article><div class="result-actions"><span class="result-meta">文本结果</span><div class="action-group"><button class="button button-secondary retry-button" type="button" data-generation-id="{{.Current.Generation.ID}}"><i class="icon" data-lucide="refresh-cw"></i>再次生成</button><button class="button button-primary copy-button" type="button"><i class="icon" data-lucide="copy"></i>复制</button></div></div></div>
-  {{else}}<div class="result-gallery">{{range .Current.Outputs}}{{if .StorageKey}}<div><a class="result-frame" href="/api/generations/{{$.Current.Generation.ID}}/outputs/{{.ID}}" target="_blank" rel="noopener" aria-label="查看生成图片"><img src="/api/generations/{{$.Current.Generation.ID}}/outputs/{{.ID}}" alt="生成图片结果" loading="eager"></a><div class="result-actions"><span class="result-meta">{{if .MIMEType}}{{value .MIMEType}}{{else}}图片结果{{end}}</span><div class="action-group"><button class="button button-secondary retry-button" type="button" data-generation-id="{{$.Current.Generation.ID}}"><i class="icon" data-lucide="refresh-cw"></i>再次生成</button><a class="button button-primary" href="/api/generations/{{$.Current.Generation.ID}}/outputs/{{.ID}}" download><i class="icon" data-lucide="download"></i>下载</a></div></div></div>{{end}}{{end}}</div>{{end}}
+  {{else}}<div class="result-gallery">{{range .Current.Outputs}}{{if .StorageKey}}<div><a class="result-frame" href="/api/generations/{{$.Current.Generation.ID}}/outputs/{{.ID}}" target="_blank" rel="noopener" aria-label="查看生成图片"><img src="/api/generations/{{$.Current.Generation.ID}}/outputs/{{.ID}}" alt="生成图片结果" loading="eager"></a><div class="result-actions"><span class="result-meta">{{outputMetadata .}}</span><div class="action-group"><button class="button button-secondary retry-button" type="button" data-generation-id="{{$.Current.Generation.ID}}"><i class="icon" data-lucide="refresh-cw"></i>再次生成</button><a class="button button-primary" href="/api/generations/{{$.Current.Generation.ID}}/outputs/{{.ID}}" download><i class="icon" data-lucide="download"></i>下载</a></div></div></div>{{end}}{{end}}</div>{{end}}
   {{if .Current}}{{range .Current.Inputs}}<span class="retry-input sr-only" data-input-url="/api/generations/{{$.Current.Generation.ID}}/inputs/{{.ID}}" data-input-name="{{.OriginalName}}" data-input-mime="{{.MIMEType}}" data-input-role="{{.Role}}" data-input-note="{{value .Note}}"></span>{{end}}<span class="retry-data sr-only" data-kind="{{.Current.Generation.Kind}}" data-prompt="{{.Current.Generation.UserPrompt}}" data-role-rule="{{value .Current.Generation.RoleRule}}"></span>{{end}}
   </div>
 </div>{{end}}
diff --git a/portal/web/web.go b/portal/web/web.go
index 578aca2..bc0843b 100644
--- a/portal/web/web.go
+++ b/portal/web/web.go
@@ -39,6 +39,10 @@ func NewRenderer() (*Renderer, error) {
 	functions := template.FuncMap{
 		"statusLabel": statusLabel, "statusTone": statusTone, "kindLabel": kindLabel, "kindIcon": kindIcon,
 		"shortPrompt": shortPrompt, "relativeTime": relativeTime, "terminal": func(status model.GenerationStatus) bool { return status.Terminal() },
+		"historyDuration": func(g model.Generation) string { return generationDuration(g, time.Now(), false) },
+		"resultDuration":  func(g model.Generation) string { return generationDuration(g, time.Now(), true) },
+		"timeAttr":        optionalTimeAttr,
+		"outputMetadata":  outputMetadata,
 		"value": func(value *string) string {
 			if value == nil {
 				return ""
@@ -117,3 +121,79 @@ func relativeTime(value time.Time) string {
 		return value.Local().Format("01-02 15:04")
 	}
 }
+
+func generationDuration(generation model.Generation, now time.Time, includeLabel bool) string {
+	label := "总耗时"
+	end := now
+	if !generation.Status.Terminal() {
+		if generation.Status == model.StatusPending {
+			label = "已等待"
+		} else {
+			label = "已用时"
+		}
+	} else if generation.CompletedAt != nil {
+		end = *generation.CompletedAt
+	} else {
+		return "耗时未知"
+	}
+	if generation.CreatedAt.IsZero() || end.Before(generation.CreatedAt) {
+		return "时间异常"
+	}
+	value := formatDuration(end.Sub(generation.CreatedAt))
+	if includeLabel || !generation.Status.Terminal() {
+		return label + " " + value
+	}
+	return value
+}
+
+func formatDuration(duration time.Duration) string {
+	if duration < time.Second {
+		return "<1秒"
+	}
+	seconds := int64(duration.Round(time.Second) / time.Second)
+	if seconds < 60 {
+		return fmt.Sprintf("%d秒", seconds)
+	}
+	minutes := seconds / 60
+	seconds %= 60
+	if minutes < 60 {
+		return fmt.Sprintf("%d分%02d秒", minutes, seconds)
+	}
+	hours := minutes / 60
+	minutes %= 60
+	return fmt.Sprintf("%d小时%02d分%02d秒", hours, minutes, seconds)
+}
+
+func optionalTimeAttr(value *time.Time) string {
+	if value == nil || value.IsZero() {
+		return ""
+	}
+	return value.UTC().Format(time.RFC3339Nano)
+}
+
+func outputMetadata(output model.GenerationOutput) string {
+	parts := make([]string, 0, 3)
+	if output.MIMEType != nil && strings.TrimSpace(*output.MIMEType) != "" {
+		parts = append(parts, strings.ToUpper(strings.TrimPrefix(strings.TrimSpace(*output.MIMEType), "image/")))
+	}
+	if output.Width != nil && output.Height != nil && *output.Width > 0 && *output.Height > 0 {
+		parts = append(parts, fmt.Sprintf("%d x %d", *output.Width, *output.Height))
+	}
+	if output.SizeBytes != nil {
+		parts = append(parts, formatBytes(*output.SizeBytes))
+	}
+	if len(parts) == 0 {
+		return "图片结果"
+	}
+	return strings.Join(parts, " · ")
+}
+
+func formatBytes(bytes uint64) string {
+	if bytes < 1024 {
+		return fmt.Sprintf("%d B", bytes)
+	}
+	if bytes < 1024*1024 {
+		return fmt.Sprintf("%.1f KB", float64(bytes)/1024)
+	}
+	return fmt.Sprintf("%.1f MB", float64(bytes)/(1024*1024))
+}
diff --git a/portal/web/web_test.go b/portal/web/web_test.go
index 661dc2c..8e18009 100644
--- a/portal/web/web_test.go
+++ b/portal/web/web_test.go
@@ -5,6 +5,9 @@ import (
 	"io/fs"
 	"strings"
 	"testing"
+	"time"
+
+	"git.ilapage.cn/OPC/chorus/internal/core/model"
 )
 
 func TestLoginUsesAccountOnly(t *testing.T) {
@@ -46,6 +49,54 @@ func TestLoginUsesAccountOnly(t *testing.T) {
 	}
 }
 
+func TestGenerationDurationUsesTerminalAndLiveBoundaries(t *testing.T) {
+	created := time.Date(2026, 8, 25, 9, 0, 0, 0, time.UTC)
+	completed := created.Add(2*time.Minute + 30*time.Second)
+	terminal := model.Generation{Status: model.StatusSucceeded, CreatedAt: created, CompletedAt: &completed}
+	if got := generationDuration(terminal, completed.Add(time.Hour), false); got != "2分30秒" {
+		t.Fatalf("terminal duration = %q", got)
+	}
+	pending := model.Generation{Status: model.StatusPending, CreatedAt: created}
+	if got := generationDuration(pending, created.Add(9*time.Second), true); got != "已等待 9秒" {
+		t.Fatalf("pending duration = %q", got)
+	}
+	invalid := model.Generation{Status: model.StatusSucceeded, CreatedAt: completed, CompletedAt: &created}
+	if got := generationDuration(invalid, completed, true); got != "时间异常" {
+		t.Fatalf("invalid duration = %q", got)
+	}
+}
+
+func TestOutputMetadataUsesAvailableFields(t *testing.T) {
+	mimeType, size, width, height := "image/png", uint64(1536), uint32(1024), uint32(768)
+	output := model.GenerationOutput{MIMEType: &mimeType, SizeBytes: &size, Width: &width, Height: &height}
+	if got := outputMetadata(output); got != "PNG · 1024 x 768 · 1.5 KB" {
+		t.Fatalf("metadata = %q", got)
+	}
+	if got := outputMetadata(model.GenerationOutput{}); got != "图片结果" {
+		t.Fatalf("fallback metadata = %q", got)
+	}
+}
+
+func TestAppRendersHistoryDurationMarkup(t *testing.T) {
+	renderer, err := NewRenderer()
+	if err != nil {
+		t.Fatal(err)
+	}
+	created := time.Now().Add(-10 * time.Second)
+	completed := created.Add(5 * time.Second)
+	var page bytes.Buffer
+	data := Page{History: []model.Generation{{ID: 3, Status: model.StatusSucceeded, Kind: model.KindImage, UserPrompt: "test", CreatedAt: created, CompletedAt: &completed}}, MaxPromptBytes: 1000, MaxImages: 3}
+	if err := renderer.Render(&page, "app", data); err != nil {
+		t.Fatal(err)
+	}
+	html := page.String()
+	for _, expected := range []string{`aria-label="图片"`, `data-duration-context="history"`, `>5秒</span>`, `class="relative-time"`} {
+		if !strings.Contains(html, expected) {
+			t.Errorf("history markup is missing %s", expected)
+		}
+	}
+}
+
 func TestAppDisablesUnavailableImageGenerateRoute(t *testing.T) {
 	renderer, err := NewRenderer()
 	if err != nil {