Add key-level auto trade, AI analysis, and trading UX improvements.

Key monitors use 5m close triggers with WeChat alerts and box/convergence auto orders; add pending-order worker, structured WeChat notify, AI settings/messages, session clock, CTP margin sizing, and dual-layer position limits.

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

ai_client.py

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+# Copyright (c) 2025-2026 马建军. All rights reserved.
+# 专有软件 — 未经授权禁止复制、传播、转售。
+# 严禁用于：带单/代客理财、向他人推荐期货品种或买卖建议、融资配资等业务。
+# 详见 LICENSE.zh-CN.txt 与 docs/软件购买与使用协议.md
+
+"""AI 接口：Ollama / OpenAI 兼容 API。"""
+from __future__ import annotations
+
+import json
+import logging
+from typing import Callable, Optional
+
+import requests
+
+logger = logging.getLogger(__name__)
+
+
+def is_ai_enabled(get_setting: Callable[[str, str], str]) -> bool:
+    return (get_setting("ai_enabled", "0") or "0").strip() in ("1", "true", "yes")
+
+
+def get_ai_config(get_setting: Callable[[str, str], str]) -> dict:
+    provider = (get_setting("ai_provider", "ollama") or "ollama").strip().lower()
+    if provider not in ("ollama", "openai"):
+        provider = "ollama"
+    return {
+        "enabled": is_ai_enabled(get_setting),
+        "provider": provider,
+        "ollama_base_url": (get_setting("ai_ollama_base_url", "http://127.0.0.1:11434") or "").strip().rstrip("/"),
+        "ollama_model": (get_setting("ai_ollama_model", "qwen2.5:7b") or "qwen2.5:7b").strip(),
+        "openai_base_url": (get_setting("ai_openai_base_url", "https://api.openai.com/v1") or "").strip().rstrip("/"),
+        "openai_api_key": (get_setting("ai_openai_api_key", "") or "").strip(),
+        "openai_model": (get_setting("ai_openai_model", "gpt-4o-mini") or "gpt-4o-mini").strip(),
+    }
+
+
+def chat_completion(
+    *,
+    get_setting: Callable[[str, str], str],
+    system_prompt: str,
+    user_prompt: str,
+    timeout: int = 120,
+) -> tuple[bool, str]:
+    cfg = get_ai_config(get_setting)
+    if not cfg["enabled"]:
+        return False, "AI 未启用"
+    provider = cfg["provider"]
+    try:
+        if provider == "ollama":
+            url = f"{cfg['ollama_base_url']}/api/chat"
+            payload = {
+                "model": cfg["ollama_model"],
+                "messages": [
+                    {"role": "system", "content": system_prompt},
+                    {"role": "user", "content": user_prompt},
+                ],
+                "stream": False,
+            }
+            resp = requests.post(url, json=payload, timeout=timeout)
+            resp.raise_for_status()
+            data = resp.json()
+            msg = (data.get("message") or {}).get("content") or ""
+            return True, (msg or "").strip() or "（AI 无回复）"
+        url = f"{cfg['openai_base_url']}/chat/completions"
+        headers = {
+            "Authorization": f"Bearer {cfg['openai_api_key']}",
+            "Content-Type": "application/json",
+        }
+        payload = {
+            "model": cfg["openai_model"],
+            "messages": [
+                {"role": "system", "content": system_prompt},
+                {"role": "user", "content": user_prompt},
+            ],
+            "temperature": 0.4,
+        }
+        resp = requests.post(url, headers=headers, json=payload, timeout=timeout)
+        resp.raise_for_status()
+        data = resp.json()
+        choices = data.get("choices") or []
+        if not choices:
+            return False, "AI 返回为空"
+        msg = (choices[0].get("message") or {}).get("content") or ""
+        return True, (msg or "").strip() or "（AI 无回复）"
+    except Exception as exc:
+        logger.warning("AI chat failed (%s): %s", provider, exc)
+        return False, f"AI 调用失败：{exc}"
+
+
+def analyze_trading_event(
+    *,
+    get_setting: Callable[[str, str], str],
+    event_kind: str,
+    payload: dict,
+) -> tuple[bool, str]:
+    system = (
+        "你是国内期货交易复盘助手。根据提供的结构化交易数据，"
+        "用简洁中文给出 3～6 条要点：风险、纪律、改进建议。"
+        "不要编造未提供的数据；金额单位为元。"
+    )
+    user = f"事件类型：{event_kind}\n\n数据：\n{json.dumps(payload, ensure_ascii=False, indent=2)}"
+    return chat_completion(get_setting=get_setting, system_prompt=system, user_prompt=user)