fix(hub,gate): cross-margin TP/SL and dedupe hub conditional orders

Gate hedge position triggers use close=false; stop silent ccxt fallback on cross margin. Hub merges agent and Flask TP/SL by trigger price and labels Gate orders correctly.

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

manual_trading_hub/exchange_orders.py

@@ -293,6 +293,30 @@ def _okx_list(ex: Any, symbol: str | None) -> list[dict]:
     return out
 
 
+def _gate_extract_trigger_rule(info: dict) -> int | None:
+    if not isinstance(info, dict):
+        return None
+    trig = info.get("trigger")
+    if isinstance(trig, dict) and trig.get("rule") is not None:
+        try:
+            return int(trig["rule"])
+        except (TypeError, ValueError):
+            pass
+    try:
+        return int(info.get("rule"))
+    except (TypeError, ValueError):
+        return None
+
+
+def _gate_tpsl_role_from_rule(rule: int | None, direction: str) -> str | None:
+    if rule is None:
+        return None
+    d = (direction or "long").strip().lower()
+    if d == "long":
+        return "sl" if rule == 2 else ("tp" if rule == 1 else None)
+    return "sl" if rule == 1 else ("tp" if rule == 2 else None)
+
+
 def _gate_trigger_params(ex: Any) -> dict:
     p = {"type": "swap", "trigger": True}
     try:
@@ -342,6 +366,10 @@ def _gate_list(ex: Any, symbol: str | None) -> list[dict]:
                 item["type"] = item.get("type") or "trigger"
                 n = _normalize_raw_order(item, channel="algo")
                 if n:
+                    info = o.get("info") if isinstance(o.get("info"), dict) else {}
+                    rule = _gate_extract_trigger_rule(info)
+                    if rule is not None:
+                        n["gate_trigger_rule"] = rule
                     out.append(n)
         except Exception:
             pass
@@ -370,11 +398,33 @@ def list_open_orders(ex: Any, exchange_kind: str, symbol: str | None = None) ->
     return uniq
 
 
+def _enrich_gate_conditional_labels(cond: list[dict], side: str) -> None:
+    """Gate 仓位类触发单在 ccxt 中常显示为「市价·只减仓」，按 trigger.rule 标为止盈/止损。"""
+    direction = (side or "long").strip().lower()
+    for o in cond:
+        if not isinstance(o, dict):
+            continue
+        if (o.get("label") or "").startswith(("止盈", "止损")):
+            continue
+        role = _gate_tpsl_role_from_rule(o.get("gate_trigger_rule"), direction)
+        trig = o.get("trigger_price")
+        if not role or trig is None:
+            continue
+        try:
+            trig_f = float(trig)
+        except (TypeError, ValueError):
+            continue
+        prefix = "止损" if role == "sl" else "止盈"
+        o["label"] = f"{prefix} {trig_f:g}"
+
+
 def attach_orders_to_positions(positions: list[dict], orders: list[dict]) -> None:
     for p in positions:
         sym = p.get("symbol") or ""
         matched = [o for o in orders if symbols_match(sym, o.get("symbol") or "")]
-        p["conditional_orders"] = [o for o in matched if o.get("category") == "conditional"]
+        cond = [o for o in matched if o.get("category") == "conditional"]
+        _enrich_gate_conditional_labels(cond, p.get("side") or "long")
+        p["conditional_orders"] = cond
         p["regular_orders"] = [o for o in matched if o.get("category") != "conditional"]
 
 
@@ -596,6 +646,8 @@ def _gate_place_tp_sl_position(
     }
     if pos_mode in ("hedge", "dual", "double"):
         initial["auto_size"] = "close_long" if direction == "long" else "close_short"
+        # Gate API 1018：auto_size=close_long|close_short 时 initial.close 须为 false
+        initial["close"] = False
     sl_s = ex.price_to_precision(symbol, float(stop_loss))
     tp_s = ex.price_to_precision(symbol, float(take_profit))
 
@@ -668,6 +720,11 @@ def _gate_place_tp_sl_legacy(
     raise RuntimeError(f"Gate 条件止盈/止损未接受：{last_err}")
 
 
+def _gate_td_mode_cross() -> bool:
+    td = (os.getenv("GATE_TD_MODE") or "cross").strip().lower()
+    return td in ("cross", "cross_margin")
+
+
 def _gate_place_tp_sl(
     ex: Any,
     symbol: str,
@@ -677,6 +734,7 @@ def _gate_place_tp_sl(
     take_profit: float,
 ) -> None:
     use_pos, exp, pt, pos_mode = _gate_tpsl_env()
+    pos_err: Exception | None = None
     if use_pos:
         try:
             _gate_place_tp_sl_position(
@@ -684,9 +742,20 @@ def _gate_place_tp_sl(
                 pos_mode=pos_mode, price_type=pt, expiration=exp,
             )
             return
-        except Exception:
-            pass
-    _gate_place_tp_sl_legacy(ex, symbol, direction, amount, stop_loss, take_profit)
+        except Exception as e:
+            pos_err = e
+            if _gate_td_mode_cross():
+                raise RuntimeError(
+                    f"Gate 仓位类止盈/止损未接受（全仓不支持 ccxt 条件单回退）：{pos_err}"
+                ) from e
+    try:
+        _gate_place_tp_sl_legacy(ex, symbol, direction, amount, stop_loss, take_profit)
+    except Exception as legacy_err:
+        if pos_err is not None:
+            raise RuntimeError(
+                f"Gate 仓位类止盈/止损未接受：{pos_err}；条件单回退亦失败：{legacy_err}"
+            ) from legacy_err
+        raise
 
 
 def replace_position_tpsl(