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>

templates/ai_messages.html

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+{# Copyright (c) 2025-2026 马建军. All rights reserved. 专有软件，详见 LICENSE.zh-CN.txt #}
+{% extends "base.html" %}
+{% block title %}AI 消息 - 国内期货 · 交易复盘系统{% endblock %}
+{% block extra_css %}
+<link rel="stylesheet" href="{{ url_for('static', filename='css/ai_messages.css') }}">
+{% endblock %}
+{% block content %}
+<div class="card ai-page">
+    <h2>AI 分析 · 使用说明</h2>
+    <div class="card-body">
+        <details class="ai-usage" open>
+            <summary>使用说明</summary>
+            <div class="ai-usage-body">
+                <ul>
+                    <li>在 <a href="{{ url_for('settings') }}">系统设置</a> →「AI 分析 · 使用说明」中配置 Ollama 或 OpenAI 并启用</li>
+                    <li><strong>开仓 / 平仓</strong>：成交后自动生成简要复盘（本页下方列表）</li>
+                    <li><strong>日终报告</strong>：每个交易日按设定时刻汇总当日盈亏与持仓</li>
+                    <li>配置企业微信后，日终报告摘要会同步推送到群</li>
+                </ul>
+            </div>
+        </details>
+        <h3 class="ai-section-label">分析消息</h3>
+        <div class="ai-msg-list card-scroll">
+            {% for m in messages %}
+            <article class="ai-msg" data-kind="{{ m.kind }}">
+                <header class="ai-msg-head">
+                    <span class="ai-msg-kind">{{ m.kind }}</span>
+                    <time>{{ m.created_at }}</time>
+                </header>
+                {% if m.title %}<h3 class="ai-msg-title">{{ m.title }}</h3>{% endif %}
+                <pre class="ai-msg-body">{{ m.content }}</pre>
+            </article>
+            {% else %}
+            <p class="text-muted empty-hint">暂无 AI 消息。开启 AI 并完成一笔交易，或等待日终报告后此处会显示分析。</p>
+            {% endfor %}
+        </div>
+    </div>
+</div>
+{% endblock %}