feat: AI分析第三档——海外期货章节、报告分卡片渲染、红绿着色、期号；LLM改流式+分段生成绕开网关120s超时

backend/services/market_extra.py

@@ -86,6 +86,73 @@ async def _fetch_flow_boards(client: httpx.AsyncClient, fs: str, po: int, pz: in
     return boards
 
 
+_GLOBAL_INDICES = "100.NDX,100.DJIA,100.SPX,100.HSI,100.N225,100.FTSE"
+_FUT_MARKETS = ("m:8", "m:113", "m:142", "m:114", "m:115")  # 中金所/上期所/上期能源/大商所/郑商所
+
+
+async def fetch_global_markets() -> dict | None:
+    """海外主要指数 + 国内期货主力合约；失败返回 None"""
+    try:
+        async with httpx.AsyncClient(timeout=_TIMEOUT, headers={"User-Agent": _UA}) as client:
+            overseas, futures = await asyncio.gather(
+                _fetch_overseas_indices(client),
+                _fetch_futures_main(client),
+            )
+        if not overseas and not futures:
+            return None
+        return {"overseas": overseas, "futures": futures}
+    except Exception:
+        return None
+
+
+async def _fetch_overseas_indices(client: httpx.AsyncClient) -> list[dict]:
+    resp = await client.get(
+        "https://push2delay.eastmoney.com/api/qt/ulist.np/get",
+        params={"secids": _GLOBAL_INDICES, "fields": "f12,f14,f2,f3", "fltt": 2, "invt": 2},
+    )
+    resp.raise_for_status()
+    diff = (resp.json().get("data") or {}).get("diff") or []
+    return [
+        {"name": d.get("f14", ""), "price": d.get("f2"), "changePct": d.get("f3")}
+        for d in diff
+    ]
+
+
+async def _fetch_futures_main(client: httpx.AsyncClient) -> list[dict]:
+    """国内期货主力合约（名称含"主连/主力合约"），按成交额降序取前12"""
+    import re
+
+    results: list[dict] = []
+    for fs in _FUT_MARKETS:
+        try:
+            resp = await client.get(
+                "https://push2delay.eastmoney.com/api/qt/clist/get",
+                params={"fid": "f6", "po": 1, "pz": 200, "pn": 1, "np": 1,
+                        "fltt": 2, "invt": 2, "fs": fs, "fields": "f12,f14,f2,f3,f6"},
+            )
+            resp.raise_for_status()
+            diff = (resp.json().get("data") or {}).get("diff") or []
+        except Exception:
+            continue
+        for d in diff:
+            name = d.get("f14") or ""
+            if "主连" not in name and "主力合约" not in name:
+                continue
+            if "次主连" in name:  # 次主力合约，排除
+                continue
+            amount = d.get("f6")
+            if not isinstance(amount, (int, float)):
+                continue
+            results.append({
+                "name": re.sub(r"(主连|主力合约)$", "", name),
+                "price": d.get("f2"),
+                "changePct": d.get("f3"),
+                "amountYi": round(amount / 1e8, 1),
+            })
+    results.sort(key=lambda x: -x["amountYi"])
+    return results[:12]
+
+
 async def fetch_sector_fund_flow() -> dict | None:
     """板块主力资金流排行：行业净流入/净流出 TOP6 + 概念净流入 TOP6；失败返回 None"""
     try: