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

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

backend/app/api/settings.py

@@ -19,6 +19,7 @@ KEYS = (
     "net_profit_target",
     "premium_exit_multiple",
     "rest_seconds",
+    "skip_weekends",
     "initial_equity",
     "leverage",
     "min_option_hours",
@@ -36,6 +37,7 @@ class StrategySettingsBody(BaseModel):
     net_profit_target: float | None = Field(default=None, ge=0.1, le=1_000_000)
     premium_exit_multiple: float | None = Field(default=None, ge=0.1, le=100)
     rest_seconds: int | None = Field(default=None, ge=0, le=3600)
+    skip_weekends: bool | None = None
     initial_equity: float | None = Field(default=None, ge=1000)
     leverage: float | None = Field(default=None, ge=1, le=125)
     min_option_hours: float | None = Field(default=None, ge=1, le=720)
@@ -45,6 +47,12 @@ class StrategySettingsBody(BaseModel):
     option_qty_eth: float | None = Field(default=None, ge=0.01, le=100)
 
 
+def _as_bool(raw: str | None, default: bool) -> bool:
+    if raw is None or raw == "":
+        return default
+    return str(raw).strip().lower() in ("1", "true", "yes", "on")
+
+
 def _read_settings() -> dict:
     db = get_db()
     s = get_settings()
@@ -68,6 +76,9 @@ def _read_settings() -> dict:
         "rest_seconds": int(
             float(db.get_setting("rest_seconds", str(s.rest_seconds)) or s.rest_seconds)
         ),
+        "skip_weekends": _as_bool(
+            db.get_setting("skip_weekends", str(s.skip_weekends)), s.skip_weekends
+        ),
         "initial_equity": float(
             db.get_setting("initial_equity", str(s.initial_equity)) or s.initial_equity
         ),

backend/app/api/sim.py

@@ -5,11 +5,12 @@ from typing import Annotated
 from fastapi import APIRouter, Depends, HTTPException
 from pydantic import BaseModel, Field
 
+from ..config import get_settings
 from ..market import get_gateway
 from ..models.db import get_db
 from ..sim.ledger import Ledger
 from ..sim.matcher import Matcher
-from ..strategy.clock import window_key
+from ..strategy.clock import can_open_new, window_key
 from ..strategy.group import next_group_id
 from .auth import require_user
 
@@ -39,6 +40,13 @@ async def sim_open_group(
 ) -> dict:
     if Matcher().has_open_position():
         raise HTTPException(status_code=409, detail="有未平仓，禁止开下一组")
+    s = get_settings()
+    skip_weekends = Ledger().get_setting_bool("skip_weekends", s.skip_weekends)
+    if not can_open_new(skip_weekends=skip_weekends):
+        raise HTTPException(
+            status_code=409,
+            detail="周六/周日跳过开仓（上海时区）",
+        )
     gw = get_gateway()
     pick = await gw.pick_for_open_async()
     if pick is None:
@@ -53,12 +61,9 @@ async def sim_open_group(
         perp_side = "short" if force == "call" else "long"
         bias = "manual_" + force
         option_ask = pick.call_ask if force == "call" else pick.put_ask
-        from ..config import get_settings
         from ..strategy.selection import option_leverage
-        from ..sim.ledger import Ledger as Led
 
-        s = get_settings()
-        min_lev = Led().get_setting_float("min_option_leverage", s.min_option_leverage)
+        min_lev = Ledger().get_setting_float("min_option_leverage", s.min_option_leverage)
         lev = option_leverage(pick.underlying_px, option_ask)
         if lev is None or lev < min_lev:
             raise HTTPException(