DevFlow/src/components/ai/ContextBriefsCard.vue

<template>
  <!-- 脉络卡:同项目近期决策摘要,纯读侧。用户点「带入上下文」向输入框投递追加文本,
       由用户编辑后自行发送——注入决策权在用户,不触碰 L3 召回铁律。
       有源会话的条目标题可点跳回原文,空源或跳转失败静默不打断阅读。 -->
  <div class="ctx-briefs">
    <button
      class="ctx-briefs-toggle"
      :title="t('aiChat.contextBriefsToggle')"
      @click="toggle"
    >
      <svg
        aria-hidden="true" width="11" height="11" viewBox="0 0 24 24" fill="none"
        stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"
        :style="{ transform: expanded ? 'rotate(90deg)' : 'none', transition: 'transform .15s' }"
      ><polyline points="9 18 15 12 9 6"/></svg>
      <span>{{ t('aiChat.contextBriefsTitle') }}</span>
      <span v-if="!expanded && totalBriefs > 0" class="ctx-briefs-count">{{ totalBriefs }}</span>
    </button>
    <div v-if="expanded" class="ctx-briefs-body">
      <div v-if="loading" class="ctx-briefs-empty">{{ t('aiChat.contextBriefsLoading') }}</div>
      <div v-else-if="groups.length === 0" class="ctx-briefs-empty">{{ t('aiChat.contextBriefsEmpty') }}</div>
      <div v-for="g in groups" v-else :key="g.source_project" class="ctx-briefs-group">
        <div class="ctx-briefs-project">
          <span v-if="g.focused" class="ctx-briefs-focus-dot" />{{ g.source_project }}
        </div>
        <div v-for="b in g.briefs" :key="g.source_project + b.title" class="ctx-briefs-item">
          <div class="ctx-briefs-item-head">
            <button
              v-if="b.source_conv"
              class="ctx-briefs-item-title ctx-briefs-item-link"
              @click="openSource(b)"
            >{{ b.title }}</button>
            <span v-else class="ctx-briefs-item-title">{{ b.title }}</span>
            <span class="ctx-briefs-item-time">{{ formatRelative(b.updated_at) }}</span>
          </div>
          <div class="ctx-briefs-item-summary">{{ b.summary }}</div>
          <button
            class="ctx-briefs-bring"
            :title="t('aiChat.contextBriefsBringIn')"
            @click="bringIn(g, b)"
          >{{ t('aiChat.contextBriefsBringIn') }}</button>
        </div>
      </div>
    </div>
  </div>
</template>

<script setup lang="ts">
import { ref, computed, watch } from 'vue'
import { useI18n } from 'vue-i18n'
import { aiApi } from '../../api/ai'
import { useAiStore } from '../../stores/ai'
import { pushConvDraftAppend } from '../../composables/ai/aiShared'
import { useAiConversations } from '../../composables/ai/useAiConversations'
import { formatRelative } from '../../utils/time'

interface ContextBrief {
  title: string
  summary: string
  source_ref: string | null
  source_conv: string | null
  source_project: string | null
  reuse_count: number
  updated_at: string
}
interface ProjectBriefs {
  source_project: string
  focused?: boolean
  briefs: ContextBrief[]
}

const { t } = useI18n()
const store = useAiStore()
const { openConversation } = useAiConversations()

const expanded = ref(false)
const loading = ref(false)
const groups = ref<ProjectBriefs[]>([])

const totalBriefs = computed(() => groups.value.reduce((n, g) => n + g.briefs.length, 0))

/** 拉取脉络,按当前会话标注聚焦分组;会话已切走时丢弃过期响应(防旧 focused 污染新列表) */
async function load() {
  const convId = store.state.activeConversationId ?? undefined
  loading.value = true
  try {
    const result = await aiApi.listContextBriefs(undefined, convId)
    if ((store.state.activeConversationId ?? undefined) === convId) groups.value = result
  } catch {
    if ((store.state.activeConversationId ?? undefined) === convId) groups.value = []
  } finally {
    loading.value = false
  }
}

async function toggle() {
  expanded.value = !expanded.value
  if (expanded.value && groups.value.length === 0) await load()
}

/** 切会话重新拉取(focused 跟随当前会话);收起态只清缓存,保持按需加载 */
watch(() => store.state.activeConversationId, () => {
  groups.value = []
  if (expanded.value) void load()
})

/** 跳回摘要来源会话(source_conv 由后端自 source_ref 解析,消息级引用已反查);
 *  源为空或已删除(not_found)一律静默,不加 toast */
async function openSource(b: ContextBrief) {
  if (!b.source_conv) return
  try {
    await openConversation(b.source_conv)
  } catch {
    // 静默:跳转失败不打断阅读
  }
}

/** 「带入上下文」= 向当前会话输入框投递追加文本(ChatInput 以实时内容为基底合并),
 *  用户编辑确认后自行发送——注入决策权在用户,不触碰 L3 召回铁律 */
function bringIn(g: ProjectBriefs, b: ContextBrief) {
  const convId = store.state.activeConversationId
  if (!convId) return
  pushConvDraftAppend(convId, `参考项目「${g.source_project}」的既有结论「${b.title}」:${b.summary}`)
}
</script>

<style scoped>
.ctx-briefs {
  border-bottom: 1px solid var(--border, #e0e0e0);
  padding: 4px 10px;
  font-size: 12px;
}
.ctx-briefs-toggle {
  display: flex;
  align-items: center;
  gap: 5px;
  width: 100%;
  padding: 3px 2px;
  border: none;
  background: none;
  color: var(--text-secondary, #666);
  cursor: pointer;
  font-size: 12px;
}
.ctx-briefs-count {
  background: var(--accent-soft, rgba(64, 128, 255, 0.15));
  color: var(--accent, #4080ff);
  border-radius: 8px;
  padding: 0 6px;
  font-size: 11px;
}
.ctx-briefs-body {
  max-height: 220px;
  overflow-y: auto;
  padding-bottom: 4px;
}
.ctx-briefs-empty {
  color: var(--text-tertiary, #999);
  padding: 6px 2px;
}
.ctx-briefs-project {
  font-weight: 600;
  color: var(--text-primary, #333);
  padding: 5px 2px 2px;
}
.ctx-briefs-focus-dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 4px;
  border-radius: 50%;
  background: var(--accent, #4080ff);
  vertical-align: 2px;
}
.ctx-briefs-item {
  padding: 4px 2px;
  border-top: 1px dashed var(--border, #eee);
}
.ctx-briefs-item-head {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.ctx-briefs-item-title {
  font-weight: 500;
  color: var(--text-primary, #333);
}
.ctx-briefs-item-link {
  padding: 0;
  border: none;
  background: none;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.ctx-briefs-item-link:hover {
  color: var(--accent, #4080ff);
}
.ctx-briefs-item-time {
  margin-left: auto;
  flex-shrink: 0;
  font-size: 11px;
  color: var(--text-tertiary, #999);
}
.ctx-briefs-item-summary {
  color: var(--text-secondary, #666);
  margin: 2px 0;
  line-height: 1.4;
}
.ctx-briefs-bring {
  border: 1px solid var(--border, #ddd);
  background: none;
  color: var(--accent, #4080ff);
  border-radius: 4px;
  padding: 1px 8px;
  font-size: 11px;
  cursor: pointer;
}
.ctx-briefs-bring:hover {
  background: var(--accent-soft, rgba(64, 128, 255, 0.1));
}
</style>