Add weekend open skip, expiry force-close, and Chinese trade labels.

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

frontend/src/labels.ts

@@ -0,0 +1,68 @@
+/** 交易相关英文码 → 中文展示（库内仍存英文）。 */
+
+const STATUS_ZH: Record<string, string> = {
+  open: "持仓中",
+  closed: "已平仓",
+};
+
+const SIDE_ZH: Record<string, string> = {
+  long: "多",
+  short: "空",
+  call: "看涨",
+  put: "看跌",
+};
+
+const LEG_ZH: Record<string, string> = {
+  perp: "永续",
+  option: "期权",
+};
+
+const ACTION_ZH: Record<string, string> = {
+  open: "开仓",
+  close: "平仓",
+};
+
+const CLOSE_REASON_ZH: Record<string, string> = {
+  fixed_usdt: "固定净盈利达标",
+  premium_multiple: "权利金倍数达标",
+  expiry: "到期自动全平",
+  emergency: "紧急全平",
+  manual: "手动平仓",
+  liquidity_retry: "流动性等待后续平仓",
+  unknown: "未知",
+};
+
+export function statusZh(v: string | null | undefined): string {
+  if (!v) return "—";
+  return STATUS_ZH[v] || v;
+}
+
+export function sideZh(v: string | null | undefined): string {
+  if (!v) return "—";
+  return SIDE_ZH[v] || v;
+}
+
+/** 永续方向 / 期权方向，如「多/看跌」 */
+export function positionSidesZh(
+  perp: string | null | undefined,
+  option: string | null | undefined,
+): string {
+  return `${sideZh(perp)}/${sideZh(option)}`;
+}
+
+export function fillDescZh(leg: string, action: string, side: string): string {
+  const l = LEG_ZH[leg] || leg;
+  const a = ACTION_ZH[action] || action;
+  const s = SIDE_ZH[side] || side;
+  // 期权买入开仓：「期权开多」；永续：「永续开多/开空」
+  if (leg === "option" && action === "open") return "期权开多";
+  if (leg === "option" && action === "close") return "期权平多";
+  if (leg === "perp" && action === "open") return s === "多" ? "永续开多" : "永续开空";
+  if (leg === "perp" && action === "close") return s === "多" ? "永续平多" : "永续平空";
+  return `${l}${a}${s}`;
+}
+
+export function closeReasonZh(v: string | null | undefined): string {
+  if (!v) return "—";
+  return CLOSE_REASON_ZH[v] || v;
+}