diff --git a/web/src/views/projects/RequirementDetailView.vue b/web/src/views/projects/RequirementDetailView.vue
index 6e1a518..2805659 100644
--- a/web/src/views/projects/RequirementDetailView.vue
+++ b/web/src/views/projects/RequirementDetailView.vue
@@ -88,7 +88,7 @@
               </p>
             </NCard>
 
-            <!-- 当前阶段产物（仅 AI 对话三阶段显示） -->
+            <!-- 当前阶段产物（仅 AI 对话三阶段显示，保留编辑功能） -->
             <ArtifactPanel
               v-if="chatPhase"
               ref="artifactPanelRef"
@@ -98,6 +98,17 @@
               :readonly="data.requirement.status !== 'open'"
             />
 
+            <!-- 全阶段产物与会话历史（新增） -->
+            <RequirementHistoryPanel
+              v-if="data"
+              ref="historyPanelRef"
+              :slug="slug"
+              :number="number"
+              :requirement-id="data.requirement.id"
+              :workspace-slug="workspaceSlug"
+              :current-phase="data.requirement.phase"
+            />
+
             <!-- Workspace card -->
             <NCard title="工作区">
               <NSelect
@@ -204,6 +215,7 @@ import ArtifactPanel from './components/ArtifactPanel.vue'
 import RequirementChatPanel from './components/RequirementChatPanel.vue'
 import RequirementAcpPanel from './components/RequirementAcpPanel.vue'
 import RequirementSummaryPanel from './components/RequirementSummaryPanel.vue'
+import RequirementHistoryPanel from './components/RequirementHistoryPanel.vue'
 import type { Artifact, ArtifactPhase, Phase, RequirementDetail } from '@/api/projects'
 
 const PHASES: Phase[] = ['planning', 'prototyping', 'auditing', 'implementing', 'reviewing', 'done']
@@ -232,12 +244,18 @@ const loading = ref(false)
 const toggling = ref(false)
 const data = ref<RequirementDetail | null>(null)
 const artifactPanelRef = ref<InstanceType<typeof ArtifactPanel> | null>(null)
+const historyPanelRef = ref<InstanceType<typeof RequirementHistoryPanel> | null>(null)
 const prevArtifact = ref<Artifact | null>(null)
 
 const workspaceOptions = computed(() =>
   wsStore.list.map((w) => ({ label: `${w.name} (${w.slug})`, value: w.id })),
 )
 
+const workspaceSlug = computed(() => {
+  if (!data.value?.requirement.workspace_id) return null
+  return wsStore.list.find((w) => w.id === data.value!.requirement.workspace_id)?.slug ?? null
+})
+
 // 当前阶段属于 AI 对话三阶段时返回该阶段，否则 null。
 const chatPhase = computed<ArtifactPhase | null>(() => {
   const p = data.value?.requirement.phase
@@ -271,6 +289,7 @@ watch(chatPhase, loadPrevArtifact)
 
 function onArtifactSaved() {
   artifactPanelRef.value?.refresh()
+  historyPanelRef.value?.refresh()
 }
 
 async function onWorkspaceChange(v: string | null) {
diff --git a/web/src/views/projects/components/RequirementHistoryPanel.vue b/web/src/views/projects/components/RequirementHistoryPanel.vue
new file mode 100644
index 0000000..5cfcef0
--- /dev/null
+++ b/web/src/views/projects/components/RequirementHistoryPanel.vue
@@ -0,0 +1,330 @@
+<template>
+  <NCard title="产物与会话历史">
+    <NSpin :show="loading">
+      <NCollapse
+        v-if="hasAnyContent"
+        :default-expanded-names="defaultExpandedNames"
+      >
+        <!-- 产物：按阶段分组 -->
+        <NCollapseItem
+          v-for="phase in ARTIFACT_PHASES"
+          :key="phase"
+          :name="phase"
+          :disabled="artifactsByPhase[phase].length === 0"
+        >
+          <template #header>
+            <div class="flex items-center gap-2">
+              <span class="font-medium">{{ PHASE_TITLE[phase] }}产物</span>
+              <NTag
+                size="tiny"
+                :type="phase === currentPhase ? 'primary' : 'default'"
+              >
+                {{ artifactsByPhase[phase].length }}
+              </NTag>
+              <span
+                v-if="phase === currentPhase"
+                class="text-xs text-blue-500"
+              >当前</span>
+            </div>
+          </template>
+
+          <NList
+            v-if="artifactsByPhase[phase].length > 0"
+            :show-divider="false"
+          >
+            <NListItem
+              v-for="a in artifactsByPhase[phase]"
+              :key="a.id"
+            >
+              <NThing
+                class="cursor-pointer"
+                @click="toggleArtifact(a)"
+              >
+                <template #header>
+                  <span
+                    class="text-sm font-medium"
+                    :class="selectedArtifact?.id === a.id ? 'text-blue-600' : ''"
+                  >v{{ a.version }}</span>
+                  <NTag
+                    v-if="a.source_message_id"
+                    size="tiny"
+                    class="ml-1"
+                  >
+                    AI
+                  </NTag>
+                </template>
+                <template #header-extra>
+                  <span class="text-xs text-gray-400">
+                    {{ formatDate(a.created_at) }}
+                  </span>
+                </template>
+                <span
+                  v-if="a.note"
+                  class="text-xs text-gray-500"
+                >{{ a.note }}</span>
+              </NThing>
+            </NListItem>
+          </NList>
+          <NEmpty
+            v-else
+            description="暂无产物"
+            size="small"
+          />
+
+          <!-- 选中产物内容预览 -->
+          <div
+            v-if="selectedArtifact && selectedArtifact.phase === phase"
+            class="mt-3"
+          >
+            <NDivider />
+            <!-- eslint-disable-next-line vue/no-v-html -->
+            <div
+              class="prose prose-sm max-w-none"
+              v-html="renderedArtifact"
+            />
+          </div>
+        </NCollapseItem>
+
+        <!-- AI 对话 -->
+        <NCollapseItem
+          name="conversations"
+          :disabled="conversations.length === 0"
+        >
+          <template #header>
+            <div class="flex items-center gap-2">
+              <span class="font-medium">AI 对话</span>
+              <NTag size="tiny">{{ conversations.length }}</NTag>
+            </div>
+          </template>
+
+          <NList
+            v-if="conversations.length > 0"
+            :show-divider="false"
+          >
+            <NListItem
+              v-for="c in conversations"
+              :key="c.id"
+            >
+              <NThing
+                class="cursor-pointer"
+                @click="goConversation(c)"
+              >
+                <template #header>
+                  <span
+                    class="text-sm font-medium"
+                    :class="selectedConversation?.id === c.id ? 'text-blue-600' : ''"
+                  >
+                    {{ c.title || '(未命名)' }}
+                  </span>
+                </template>
+                <template #header-extra>
+                  <span class="text-xs text-gray-400">
+                    {{ formatDateTime(c.updated_at) }}
+                  </span>
+                </template>
+              </NThing>
+            </NListItem>
+          </NList>
+          <NEmpty
+            v-else
+            description="暂无对话"
+            size="small"
+          />
+        </NCollapseItem>
+
+        <!-- ACP 会话 -->
+        <NCollapseItem
+          name="acp-sessions"
+          :disabled="acpSessions.length === 0"
+        >
+          <template #header>
+            <div class="flex items-center gap-2">
+              <span class="font-medium">ACP 会话</span>
+              <NTag size="tiny">{{ acpSessions.length }}</NTag>
+            </div>
+          </template>
+
+          <NList
+            v-if="acpSessions.length > 0"
+            :show-divider="false"
+          >
+            <NListItem
+              v-for="s in acpSessions"
+              :key="s.id"
+            >
+              <NThing
+                :class="workspaceSlug ? 'cursor-pointer' : ''"
+                @click="workspaceSlug ? goAcpSession(s) : undefined"
+              >
+                <template #header>
+                  <span class="font-mono text-sm">{{ s.branch }}</span>
+                </template>
+                <template #header-extra>
+                  <SessionStatusBadge :status="s.status" />
+                </template>
+                <span class="text-xs text-gray-400">
+                  {{ formatDateTime(s.started_at) }}
+                  <template v-if="s.last_error"> · {{ s.last_error }}</template>
+                </span>
+              </NThing>
+            </NListItem>
+          </NList>
+          <NEmpty
+            v-else
+            description="暂无会话"
+            size="small"
+          />
+        </NCollapseItem>
+      </NCollapse>
+
+      <NEmpty
+        v-else-if="!loading"
+        description="暂无历史产物与会话"
+        size="small"
+      />
+    </NSpin>
+  </NCard>
+</template>
+
+<script setup lang="ts">
+import { computed, onMounted, ref } from 'vue'
+import { useRouter } from 'vue-router'
+import {
+  NCard,
+  NCollapse,
+  NCollapseItem,
+  NDivider,
+  NEmpty,
+  NList,
+  NListItem,
+  NSpin,
+  NTag,
+  NThing,
+} from 'naive-ui'
+import MarkdownIt from 'markdown-it'
+
+import { chatApi, type Conversation } from '@/api/chat'
+import { acpApi, type AcpSession } from '@/api/acp'
+import type { Artifact, ArtifactPhase, Phase } from '@/api/projects'
+import { useRequirementsStore } from '@/stores/requirements'
+import SessionStatusBadge from '@/components/acp/SessionStatusBadge.vue'
+
+const ARTIFACT_PHASES: ArtifactPhase[] = ['planning', 'prototyping', 'auditing']
+
+const PHASE_TITLE: Record<ArtifactPhase, string> = {
+  planning: '规划',
+  prototyping: '原型',
+  auditing: '评审',
+}
+
+const props = defineProps<{
+  slug: string
+  number: number
+  requirementId: string
+  workspaceSlug: string | null
+  currentPhase?: Phase | null
+}>()
+
+const router = useRouter()
+const store = useRequirementsStore()
+const md = new MarkdownIt({ html: false, breaks: true, linkify: true })
+
+const loading = ref(false)
+const artifacts = ref<Artifact[]>([])
+const conversations = ref<Conversation[]>([])
+const acpSessions = ref<AcpSession[]>([])
+
+const selectedArtifact = ref<Artifact | null>(null)
+const selectedConversation = ref<Conversation | null>(null)
+
+const artifactsByPhase = computed(() => {
+  const map: Record<ArtifactPhase, Artifact[]> = {
+    planning: [],
+    prototyping: [],
+    auditing: [],
+  }
+  for (const a of artifacts.value) {
+    if (map[a.phase]) {
+      map[a.phase].push(a)
+    }
+  }
+  // 每个阶段内按版本号排序
+  for (const phase of ARTIFACT_PHASES) {
+    map[phase].sort((a, b) => a.version - b.version)
+  }
+  return map
+})
+
+const hasAnyContent = computed(() =>
+  artifacts.value.length > 0 || conversations.value.length > 0 || acpSessions.value.length > 0,
+)
+
+// 默认展开有内容的第一项（优先当前阶段）
+const defaultExpandedNames = computed(() => {
+  const names: (ArtifactPhase | 'conversations' | 'acp-sessions')[] = []
+  if (props.currentPhase && (ARTIFACT_PHASES as Phase[]).includes(props.currentPhase)) {
+    const cp = props.currentPhase as ArtifactPhase
+    if (artifactsByPhase.value[cp].length > 0) names.push(cp)
+  }
+  for (const phase of ARTIFACT_PHASES) {
+    if (artifactsByPhase.value[phase].length > 0 && !names.includes(phase)) {
+      names.push(phase)
+    }
+  }
+  if (conversations.value.length > 0) names.push('conversations')
+  if (acpSessions.value.length > 0) names.push('acp-sessions')
+  return names.slice(0, 2) // 最多默认展开前两项，避免过长
+})
+
+const renderedArtifact = computed(() =>
+  selectedArtifact.value ? md.render(selectedArtifact.value.content) : '',
+)
+
+function toggleArtifact(a: Artifact) {
+  selectedArtifact.value = selectedArtifact.value?.id === a.id ? null : a
+}
+
+function goConversation(c: Conversation) {
+  selectedConversation.value = c
+  router.push({
+    name: 'chat-detail',
+    params: { conversationId: c.id },
+  })
+}
+
+function goAcpSession(s: AcpSession) {
+  if (!props.workspaceSlug) return
+  router.push({
+    name: 'acp-sessions-detail',
+    params: { slug: props.slug, wsSlug: props.workspaceSlug, sessionId: s.id },
+  })
+}
+
+function formatDate(d: string) {
+  return new Date(d).toLocaleDateString('zh-CN')
+}
+
+function formatDateTime(d: string) {
+  return new Date(d).toLocaleString('zh-CN', { hour12: false })
+}
+
+async function refresh() {
+  loading.value = true
+  try {
+    const [arts, convs, sessions] = await Promise.all([
+      store.listArtifacts(props.slug, props.number),
+      chatApi.listConversations({ requirement_id: props.requirementId }),
+      acpApi.sessions.list({ requirement_id: props.requirementId }),
+    ])
+    artifacts.value = arts
+    conversations.value = convs
+    acpSessions.value = sessions
+  } finally {
+    loading.value = false
+  }
+}
+
+onMounted(refresh)
+
+defineExpose({ refresh })
+</script>