diff --git a/src/components/quote/ChartPanel.vue b/src/components/quote/ChartPanel.vue
index 3d7a7b9..439ecbc 100644
--- a/src/components/quote/ChartPanel.vue
+++ b/src/components/quote/ChartPanel.vue
@@ -24,7 +24,7 @@ import {
 import type { EChartsOption } from 'echarts'
 import VChart from 'vue-echarts'
 import type { Candle, QuoteData } from '../../types'
-import type { KlinePeriod } from '../../composables/useQuote'
+import type { KlinePeriod } from '../../stores/quota'
 
 use([
   CanvasRenderer,
diff --git a/src/composables/useNews.ts b/src/composables/useNews.ts
index 603a3b7..cefca27 100644
--- a/src/composables/useNews.ts
+++ b/src/composables/useNews.ts
@@ -1,32 +1,22 @@
-import { onMounted, ref } from 'vue'
-import type { NewsItem } from '../types'
-import { newsMock } from '../mocks/news'
-import { contractConfig } from '../config/contract'
-import { getFuturesNews } from '../api/baidu/news'
-import { mapBaiduNewsToItems } from '../api/baidu/mapNews'
+import { storeToRefs } from 'pinia'
+import { onMounted } from 'vue'
+import { useQuotaStore } from '../stores/quota'
 
+/**
+ * 新闻 composable：状态统一落在 quota store。
+ */
 export function useNews() {
-  const data = ref<NewsItem[]>(structuredClone(newsMock))
-  const loading = ref(false)
-  const error = ref<unknown>(null)
-
-  async function refresh() {
-    loading.value = true
-    error.value = null
-    try {
-      const list = await getFuturesNews({ code: contractConfig.code })
-      data.value = mapBaiduNewsToItems(list)
-    } catch (e) {
-      error.value = e
-      console.error('[useNews] 拉取新闻失败', e)
-    } finally {
-      loading.value = false
-    }
-  }
+  const store = useQuotaStore()
+  const { news: data, newsLoading: loading, newsError: error } = storeToRefs(store)
 
   onMounted(() => {
-    void refresh()
+    void store.fetchNews()
   })
 
-  return { data, loading, error, refresh }
+  return {
+    data,
+    loading,
+    error,
+    refresh: () => store.fetchNews(),
+  }
 }
diff --git a/src/composables/usePositions.ts b/src/composables/usePositions.ts
index ffd3510..ab6f84a 100644
--- a/src/composables/usePositions.ts
+++ b/src/composables/usePositions.ts
@@ -1,28 +1,21 @@
-import { ref } from 'vue'
-import type { PositionsData } from '../types'
-import { positionsMock } from '../mocks/positions'
-
-function delay(ms = 300): Promise<void> {
-  return new Promise((r) => setTimeout(r, ms))
-}
+import { storeToRefs } from 'pinia'
+import { useQuotaStore } from '../stores/quota'
 
+/**
+ * 机构持仓 composable：状态统一落在 quota store（暂 mock）。
+ */
 export function usePositions() {
-  const data = ref<PositionsData>(structuredClone(positionsMock))
-  const loading = ref(false)
-  const error = ref<unknown>(null)
+  const store = useQuotaStore()
+  const {
+    positions: data,
+    positionsLoading: loading,
+    positionsError: error,
+  } = storeToRefs(store)
 
-  async function refresh() {
-    loading.value = true
-    error.value = null
-    try {
-      await delay()
-      data.value = structuredClone(positionsMock)
-    } catch (e) {
-      error.value = e
-    } finally {
-      loading.value = false
-    }
+  return {
+    data,
+    loading,
+    error,
+    refresh: () => store.fetchPositions(),
   }
-
-  return { data, loading, error, refresh }
 }
diff --git a/src/composables/useQuote.ts b/src/composables/useQuote.ts
index a2b5e83..936f941 100644
--- a/src/composables/useQuote.ts
+++ b/src/composables/useQuote.ts
@@ -1,81 +1,28 @@
-import { onMounted, ref } from 'vue'
-import type { Candle, QuoteData } from '../types'
-import { quoteMock } from '../mocks/quote'
-import { contractConfig } from '../config/contract'
-import { getStockKline, getStockQuotation } from '../api/baidu/quotation'
-import { mapBaiduQuotationToQuote } from '../api/baidu/mapQuote'
-import { mapBaiduKlineToCandles } from '../api/baidu/mapKline'
-import type { BaiduKlineType } from '../api/baidu/types'
+import { storeToRefs } from 'pinia'
+import { onMounted } from 'vue'
+import { useQuotaStore, type KlinePeriod } from '../stores/quota'
 
-export type KlinePeriod = 'day' | 'week' | 'month'
-
-const KTYPE_MAP: Record<KlinePeriod, BaiduKlineType> = {
-  day: 1,
-  week: 2,
-  month: 3,
-}
+export type { KlinePeriod }
 
+/**
+ * 行情 composable：状态统一落在 quota store，便于 AI 分析读取。
+ * 页面打开时只拉分时/盘口；K 线点击 Tab 再拉。
+ */
 export function useQuote() {
-  const data = ref<QuoteData>(structuredClone(quoteMock))
-  const loading = ref(false)
-  const klineLoading = ref(false)
-  const error = ref<unknown>(null)
+  const store = useQuotaStore()
+  const { quote: data, quoteLoading: loading, klineLoading, quoteError: error } =
+    storeToRefs(store)
 
-  /** 已加载过的周期，避免重复请求 */
-  const loadedKlines = ref<Record<KlinePeriod, boolean>>({
-    day: false,
-    week: false,
-    month: false,
-  })
-
-  async function refresh() {
-    loading.value = true
-    error.value = null
-    try {
-      const result = await getStockQuotation({ code: contractConfig.code })
-      const quote = mapBaiduQuotationToQuote(result)
-      // 分时刷新时清空 K 线缓存，点击 Tab 再拉
-      quote.candles = { day: [], week: [], month: [] }
-      loadedKlines.value = { day: false, week: false, month: false }
-      data.value = quote
-    } catch (e) {
-      error.value = e
-      console.error('[useQuote] 拉取行情失败', e)
-    } finally {
-      loading.value = false
-    }
-  }
-
-  /** 按需加载日/周/月 K 线；已加载则跳过 */
-  async function loadKline(period: KlinePeriod): Promise<Candle[]> {
-    if (loadedKlines.value[period]) {
-      return data.value.candles[period]
-    }
-
-    klineLoading.value = true
-    error.value = null
-    try {
-      const result = await getStockKline({
-        code: contractConfig.code,
-        ktype: KTYPE_MAP[period],
-      })
-      const candles = mapBaiduKlineToCandles(result)
-      data.value.candles[period] = candles
-      loadedKlines.value[period] = true
-      return candles
-    } catch (e) {
-      error.value = e
-      console.error(`[useQuote] 拉取${period}K线失败`, e)
-      throw e
-    } finally {
-      klineLoading.value = false
-    }
-  }
-
-  // 页面打开时只请求分时/盘口；K 线点击 Tab 再拉
   onMounted(() => {
-    void refresh()
+    void store.fetchQuote()
   })
 
-  return { data, loading, klineLoading, error, refresh, loadKline }
+  return {
+    data,
+    loading,
+    klineLoading,
+    error,
+    refresh: () => store.fetchQuote(),
+    loadKline: (period: KlinePeriod) => store.loadKline(period),
+  }
 }
diff --git a/src/stores/quota.ts b/src/stores/quota.ts
new file mode 100644
index 0000000..5eab710
--- /dev/null
+++ b/src/stores/quota.ts
@@ -0,0 +1,186 @@
+import { defineStore } from 'pinia'
+import { computed, ref } from 'vue'
+import type { Candle, NewsItem, PositionsData, QuoteData } from '../types'
+import { quoteMock } from '../mocks/quote'
+import { newsMock } from '../mocks/news'
+import { positionsMock } from '../mocks/positions'
+import { contractConfig } from '../config/contract'
+import { getStockKline, getStockQuotation } from '../api/baidu/quotation'
+import { getFuturesNews } from '../api/baidu/news'
+import { mapBaiduQuotationToQuote } from '../api/baidu/mapQuote'
+import { mapBaiduKlineToCandles } from '../api/baidu/mapKline'
+import { mapBaiduNewsToItems } from '../api/baidu/mapNews'
+import type { BaiduKlineType } from '../api/baidu/types'
+
+/** K 线周期（日/周/月） */
+export type KlinePeriod = 'day' | 'week' | 'month'
+
+const KTYPE_MAP: Record<KlinePeriod, BaiduKlineType> = {
+  day: 1,
+  week: 2,
+  month: 3,
+}
+
+/** 供 AI 分析消费的数据快照（可序列化） */
+export interface AnalysisSnapshot {
+  contract: {
+    code: string
+    name: string
+    exchange: string
+  }
+  quote: QuoteData | null
+  news: NewsItem[]
+  positions: PositionsData | null
+  fetchedAt: string
+}
+
+function emptyCandles(): QuoteData['candles'] {
+  return { day: [], week: [], month: [] }
+}
+
+export const useQuotaStore = defineStore('quota', () => {
+  // ─── 行情 ───────────────────────────────────────────────
+  const quote = ref<QuoteData>(structuredClone(quoteMock))
+  const quoteLoading = ref(false)
+  const klineLoading = ref(false)
+  const quoteError = ref<unknown>(null)
+  const loadedKlines = ref<Record<KlinePeriod, boolean>>({
+    day: false,
+    week: false,
+    month: false,
+  })
+
+  // ─── 新闻 ───────────────────────────────────────────────
+  const news = ref<NewsItem[]>(structuredClone(newsMock))
+  const newsLoading = ref(false)
+  const newsError = ref<unknown>(null)
+
+  // ─── 机构持仓（暂 mock，后续接 API）────────────────────
+  const positions = ref<PositionsData>(structuredClone(positionsMock))
+  const positionsLoading = ref(false)
+  const positionsError = ref<unknown>(null)
+
+  /** 是否已有至少一次成功的行情拉取（可用于 AI 门禁） */
+  const hasQuote = computed(() => quote.value.last > 0 && quote.value.intraday.length > 0)
+  const hasNews = computed(() => news.value.length > 0)
+
+  async function fetchQuote() {
+    quoteLoading.value = true
+    quoteError.value = null
+    try {
+      const result = await getStockQuotation({ code: contractConfig.code })
+      const mapped = mapBaiduQuotationToQuote(result)
+      mapped.candles = emptyCandles()
+      loadedKlines.value = { day: false, week: false, month: false }
+      quote.value = mapped
+    } catch (e) {
+      quoteError.value = e
+      console.error('[quota] 拉取行情失败', e)
+    } finally {
+      quoteLoading.value = false
+    }
+  }
+
+  /** 按需加载日/周/月 K 线；已加载则直接返回缓存 */
+  async function loadKline(period: KlinePeriod): Promise<Candle[]> {
+    if (loadedKlines.value[period]) {
+      return quote.value.candles[period]
+    }
+
+    klineLoading.value = true
+    quoteError.value = null
+    try {
+      const result = await getStockKline({
+        code: contractConfig.code,
+        ktype: KTYPE_MAP[period],
+      })
+      const candles = mapBaiduKlineToCandles(result)
+      quote.value.candles[period] = candles
+      loadedKlines.value[period] = true
+      return candles
+    } catch (e) {
+      quoteError.value = e
+      console.error(`[quota] 拉取${period}K线失败`, e)
+      throw e
+    } finally {
+      klineLoading.value = false
+    }
+  }
+
+  async function fetchNews() {
+    newsLoading.value = true
+    newsError.value = null
+    try {
+      const list = await getFuturesNews({ code: contractConfig.code })
+      news.value = mapBaiduNewsToItems(list)
+    } catch (e) {
+      newsError.value = e
+      console.error('[quota] 拉取新闻失败', e)
+    } finally {
+      newsLoading.value = false
+    }
+  }
+
+  async function fetchPositions() {
+    positionsLoading.value = true
+    positionsError.value = null
+    try {
+      // TODO: 接入真实持仓 API 后替换
+      await new Promise((r) => setTimeout(r, 300))
+      positions.value = structuredClone(positionsMock)
+    } catch (e) {
+      positionsError.value = e
+      console.error('[quota] 拉取持仓失败', e)
+    } finally {
+      positionsLoading.value = false
+    }
+  }
+
+  /** 并行刷新行情 + 新闻 + 持仓（K 线仍按需） */
+  async function fetchAll() {
+    await Promise.all([fetchQuote(), fetchNews(), fetchPositions()])
+  }
+
+  /**
+   * 导出当前全部接口数据快照，供下一步 AI 分析拼接 Prompt。
+   * 返回深拷贝，避免分析过程中被行情刷新污染。
+   */
+  function getAnalysisSnapshot(): AnalysisSnapshot {
+    return {
+      contract: {
+        code: quote.value.code || contractConfig.code,
+        name: quote.value.name || contractConfig.name,
+        exchange: quote.value.exchange || contractConfig.exchange,
+      },
+      quote: quote.value ? structuredClone(quote.value) : null,
+      news: structuredClone(news.value),
+      positions: positions.value ? structuredClone(positions.value) : null,
+      fetchedAt: new Date().toISOString(),
+    }
+  }
+
+  return {
+    // state
+    quote,
+    quoteLoading,
+    klineLoading,
+    quoteError,
+    loadedKlines,
+    news,
+    newsLoading,
+    newsError,
+    positions,
+    positionsLoading,
+    positionsError,
+    // computed
+    hasQuote,
+    hasNews,
+    // actions
+    fetchQuote,
+    loadKline,
+    fetchNews,
+    fetchPositions,
+    fetchAll,
+    getAnalysisSnapshot,
+  }
+})