Hide manual trade by default, block open while running, auto-refresh auth token.

Also fix flat-side reconcile to check both long and short residuals; document in 更新说明.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/pages/Settings.tsx

@@ -73,6 +73,7 @@ export default function SettingsPage() {
   const [closeDevPct, setCloseDevPct] = useState(30);
   const [perpQty, setPerpQty] = useState(1);
   const [optQty, setOptQty] = useState(2);
+  const [showManualTrade, setShowManualTrade] = useState(false);
   const [initialEquity, setInitialEquity] = useState(10000);
   const [exchange, setExchange] = useState<"okx" | "binance">("okx");
   const [stratOk, setStratOk] = useState("");
@@ -113,6 +114,7 @@ export default function SettingsPage() {
         setCloseDevPct(s.close_bid_mark_max_pct ?? 30);
         setPerpQty(s.perp_qty_eth ?? 1);
         setOptQty(s.option_qty_eth ?? 2);
+        setShowManualTrade(s.show_manual_trade_buttons === true);
         setInitialEquity(s.initial_equity ?? 10000);
         setExchange(s.exchange === "binance" ? "binance" : "okx");
       })
@@ -139,7 +141,7 @@ export default function SettingsPage() {
         new_username: newUsername.trim(),
         new_password: newPassword,
       });
-      setSession(res.token, res.username);
+      setSession(res.token, res.username, res.expires_in);
       setCurrentPassword("");
       setNewPassword("");
       setConfirmPassword("");
@@ -173,6 +175,7 @@ export default function SettingsPage() {
         close_bid_mark_max_pct: closeDevPct,
         perp_qty_eth: perpQty,
         option_qty_eth: optQty,
+        show_manual_trade_buttons: showManualTrade,
         exchange,
       };
       // LIVE 不改模拟资金，避免误重置本地账本
@@ -564,6 +567,20 @@ export default function SettingsPage() {
                       onChange={(e) => setFee(Number(e.target.value))}
                     />
                   </div>
+                  <div className="field">
+                    <label htmlFor="showManual">显示手动开仓</label>
+                    <select
+                      id="showManual"
+                      className="mono"
+                      value={showManualTrade ? "1" : "0"}
+                      onChange={(e) =>
+                        setShowManualTrade(e.target.value === "1")
+                      }
+                    >
+                      <option value="0">不显示（默认）</option>
+                      <option value="1">显示「手动开一组 / 手动全平」</option>
+                    </select>
+                  </div>
                 </div>
               </section>
             ) : null}
@@ -607,10 +624,16 @@ export default function SettingsPage() {
                   </li>
                 ) : null}
                 {stratSub === "pace" ? (
-                  <li>
-                    实盘下单最小间隔：LIVE 私有下单/查单间隔，默认 1s。范围
-                    0.2–30。
-                  </li>
+                  <>
+                    <li>
+                      实盘下单最小间隔：LIVE 私有下单/查单间隔，默认 1s。范围
+                      0.2–30。
+                    </li>
+                    <li>
+                      显示手动开仓：默认关闭。开启后计划页才出现「手动开一组 /
+                      手动全平」。策略自动运行中禁止手动开仓（须先暂停）；紧急全平始终可用。
+                    </li>
+                  </>
                 ) : null}
               </ul>
             </RulesFold>