feat(V2): IBKR write methods + auto-confirm warning flow

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/cerbero_mcp/exchanges/ibkr/client.py

@@ -275,3 +275,150 @@ class IBKRClient:
             params={"symbol": symbol, "secType": sec_type},
         )
         return list(data) if isinstance(data, list) else []
+
+    # ── Order writes ────────────────────────────────────────────
+
+    _AUTO_CONFIRM_WHITELIST = (
+        "outside RTH", "no market data", "you are submitting", "the contract",
+    )
+    _CRITICAL_WARNINGS = (
+        "margin", "suitability", "credit", "rejected", "insufficient",
+    )
+    _AUTO_CONFIRM_MAX_CYCLES = 3
+
+    async def place_order(
+        self, *,
+        symbol: str, side: str, qty: float,
+        order_type: str = "market",
+        limit_price: float | None = None,
+        stop_price: float | None = None,
+        tif: str = "day",
+        asset_class: str = "stocks",
+        sec_type: str | None = None,
+        exchange: str = "SMART",
+        outside_rth: bool = False,
+    ) -> dict:
+        st = sec_type or _SEC_TYPE_MAP.get(asset_class.lower(), "STK")
+        conid = await self.resolve_conid(symbol, st)
+
+        order: dict[str, Any] = {
+            "conid": conid,
+            "secType": f"{conid}:{st}",
+            "orderType": _ibkr_order_type(order_type),
+            "side": side.upper(),
+            "quantity": qty,
+            "tif": tif.upper(),
+            "outsideRTH": outside_rth,
+            "listingExchange": exchange,
+        }
+        if limit_price is not None:
+            order["price"] = limit_price
+        if stop_price is not None:
+            order["auxPrice"] = stop_price
+
+        return await self._submit_order_with_confirmation({"orders": [order]})
+
+    async def _submit_order_with_confirmation(
+        self, payload: dict, *, cycles: int = 0
+    ) -> dict:
+        path = f"/iserver/account/{self.account_id}/orders"
+        result = await self._request("POST", path, json_body=payload)
+        return await self._handle_order_response(result, cycles)
+
+    async def _handle_order_response(
+        self, result: Any, cycles: int
+    ) -> dict:
+        if not isinstance(result, list) or not result:
+            raise IBKRError(f"IBKR_ORDER_UNEXPECTED_RESPONSE: {result!r}")
+        first = result[0]
+        if "id" in first and "message" in first:
+            messages = first.get("message") or []
+            joined = " ".join(messages).lower()
+            if any(crit in joined for crit in self._CRITICAL_WARNINGS):
+                raise IBKRError(
+                    f"IBKR_ORDER_REJECTED_WARNING: {messages}"
+                )
+            if cycles >= self._AUTO_CONFIRM_MAX_CYCLES:
+                raise IBKRError(
+                    f"IBKR_ORDER_TOO_MANY_CONFIRMATIONS: {messages}"
+                )
+            reply = await self._request(
+                "POST", f"/iserver/reply/{first['id']}",
+                json_body={"confirmed": True},
+            )
+            return await self._handle_order_response(reply, cycles + 1)
+        if "order_id" in first:
+            return {"order_id": first["order_id"], "status": first.get("order_status")}
+        raise IBKRError(f"IBKR_ORDER_UNEXPECTED_RESPONSE: {first!r}")
+
+    async def amend_order(
+        self, order_id: str, *,
+        qty: float | None = None,
+        limit_price: float | None = None,
+        stop_price: float | None = None,
+        tif: str | None = None,
+    ) -> dict:
+        body: dict[str, Any] = {}
+        if qty is not None:
+            body["quantity"] = qty
+        if limit_price is not None:
+            body["price"] = limit_price
+        if stop_price is not None:
+            body["auxPrice"] = stop_price
+        if tif is not None:
+            body["tif"] = tif.upper()
+        path = f"/iserver/account/{self.account_id}/order/{order_id}"
+        result = await self._request("POST", path, json_body=body)
+        return await self._handle_order_response(result, cycles=0)
+
+    async def cancel_order(self, order_id: str) -> dict:
+        path = f"/iserver/account/{self.account_id}/order/{order_id}"
+        await self._request("DELETE", path)
+        return {"order_id": order_id, "canceled": True}
+
+    async def cancel_all_orders(self) -> list[dict]:
+        orders = await self.get_open_orders()
+        results = []
+        for o in orders:
+            oid = o.get("orderId") or o.get("order_id")
+            if not oid:
+                continue
+            try:
+                results.append(await self.cancel_order(str(oid)))
+            except Exception as e:
+                results.append({"order_id": str(oid), "canceled": False, "error": str(e)})
+        return results
+
+    async def close_position(
+        self, symbol: str, qty: float | None = None
+    ) -> dict:
+        positions = await self.get_positions()
+        target = next((p for p in positions if p.get("contractDesc") == symbol), None)
+        if not target:
+            raise IBKRError(f"IBKR_NO_POSITION: {symbol}")
+        position_qty = float(target.get("position", 0))
+        close_qty = abs(qty if qty is not None else position_qty)
+        side = "SELL" if position_qty > 0 else "BUY"
+        return await self.place_order(
+            symbol=symbol, side=side, qty=close_qty, order_type="market",
+        )
+
+    async def close_all_positions(self) -> list[dict]:
+        positions = await self.get_positions()
+        results = []
+        for p in positions:
+            sym = p.get("contractDesc")
+            if not sym:
+                continue
+            try:
+                results.append(await self.close_position(sym))
+            except Exception as e:
+                results.append({"symbol": sym, "error": str(e)})
+        return results
+
+
+def _ibkr_order_type(t: str) -> str:
+    m = {"market": "MKT", "limit": "LMT", "stop": "STP", "stop_limit": "STP_LMT"}
+    if t.lower() not in m:
+        raise IBKRError(f"unsupported order_type: {t}")
+    return m[t.lower()]