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_messages.py

@@ -0,0 +1,68 @@
+# 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 消息存储与展示。"""
+from __future__ import annotations
+
+import json
+import sqlite3
+from datetime import datetime
+from typing import Any, Callable, Optional
+from zoneinfo import ZoneInfo
+
+TZ = ZoneInfo("Asia/Shanghai")
+
+CREATE_SQL = """
+CREATE TABLE IF NOT EXISTS ai_messages (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  kind TEXT NOT NULL,
+  title TEXT,
+  content TEXT NOT NULL,
+  meta_json TEXT,
+  created_at TEXT NOT NULL
+)
+"""
+
+
+def ensure_ai_messages_table(conn: sqlite3.Connection) -> None:
+    conn.execute(CREATE_SQL)
+    conn.execute(
+        "CREATE INDEX IF NOT EXISTS idx_ai_messages_created ON ai_messages(created_at DESC)"
+    )
+
+
+def insert_ai_message(
+    conn: sqlite3.Connection,
+    *,
+    kind: str,
+    title: str,
+    content: str,
+    meta: Optional[dict[str, Any]] = None,
+) -> int:
+    ensure_ai_messages_table(conn)
+    now = datetime.now(TZ).strftime("%Y-%m-%d %H:%M:%S")
+    cur = conn.execute(
+        """INSERT INTO ai_messages (kind, title, content, meta_json, created_at)
+           VALUES (?,?,?,?,?)""",
+        (kind, title, content, json.dumps(meta or {}, ensure_ascii=False), now),
+    )
+    return int(cur.lastrowid)
+
+
+def list_ai_messages(conn: sqlite3.Connection, *, limit: int = 100) -> list[dict]:
+    ensure_ai_messages_table(conn)
+    rows = conn.execute(
+        "SELECT * FROM ai_messages ORDER BY id DESC LIMIT ?",
+        (max(1, min(500, int(limit))),),
+    ).fetchall()
+    out = []
+    for r in rows:
+        item = dict(r)
+        try:
+            item["meta"] = json.loads(item.get("meta_json") or "{}")
+        except Exception:
+            item["meta"] = {}
+        out.append(item)
+    return out