refactor(paper): 影子升级为第三种运行模式(回放/实走/影子,用户拍板CTA和组合都可走影子): 模式卡三选一替代组合卡内撮合引擎单选; engine由mode推导(shadow→shadow否则eod_replay,CTA/组合统一); 日终20:30 job只遍历mode=live天然隔离影子账户; 列表徽标mode=shadow亮'影子'+组合live标'日终'; 2新测试 [vps]

tests/api/test_paper_routes.py

@@ -37,6 +37,48 @@ def test_create_paper(tmp_path):
     assert "account_id" in resp.json()
 
 
+def test_create_shadow_mode(tmp_path):
+    """影子=第三种运行模式(CTA/组合都可):engine 由 mode 推导,不被日终 job 结算。"""
+    c, token = _client(tmp_path)
+    # CTA 影子
+    r1 = c.post("/api/v1/paper/create", json={
+        "mode": "shadow",
+        "symbols": ["600000"],
+        "strategies": [{"name": "DoubleMa", "symbol": "600000"}],
+        "start": "2024-01-01", "end": "2024-06-30",
+    }, headers=_auth(token))
+    assert r1.status_code == 200
+    # 组合影子:mode=shadow → engine=shadow
+    r2 = c.post("/api/v1/paper/create", json={
+        "mode": "shadow", "strategy_type": "portfolio",
+        "symbols": ["hs300_subset"],
+        "strategies": [{"name": "all_weather", "symbol": "hs300_subset"}],
+        "start": "2024-01-01", "end": "2024-12-31",
+        "pool": "hs300_subset",
+    }, headers=_auth(token))
+    assert r2.status_code == 200
+    lst = c.get("/api/v1/paper", headers=_auth(token)).json()
+    items = lst if isinstance(lst, list) else lst.get("accounts", lst.get("papers", []))
+    by_id = {a["id"]: a for a in items}
+    cta = by_id[r1.json()["account_id"]]
+    assert cta["mode"] == "shadow"
+    assert cta["engine"] == "shadow"
+    pf = by_id[r2.json()["account_id"]]
+    assert pf["mode"] == "shadow" and pf["engine"] == "shadow"
+
+
+def test_create_portfolio_rejects_replay(tmp_path):
+    c, token = _client(tmp_path)
+    resp = c.post("/api/v1/paper/create", json={
+        "mode": "replay", "strategy_type": "portfolio",
+        "symbols": ["hs300_subset"],
+        "strategies": [{"name": "all_weather", "symbol": "hs300_subset"}],
+        "start": "2024-01-01", "end": "2024-12-31",
+    }, headers=_auth(token))
+    assert resp.status_code == 400
+    assert "组合回测" in resp.json()["detail"]
+
+
 def test_get_paper_and_empty_trades(tmp_path):
     c, token = _client(tmp_path)
     aid = c.post(