Add show_recent_detail parameter to suppress per-symbol recent returns in Feishu card

[Copilot]

Stock-selection strategies with large symbol universes (80+ symbols) cause Feishu's 10208: message content too long error because the "最近3个交易日收益" table renders one row per symbol.

Changes

• StrategyCard.__init__() — adds show_recent_detail: bool = True parameter, stored as instance attribute
• StrategyCard.build() — gates the recent-returns section on self.show_recent_detail in addition to the existing <= 30 symbol auto-skip:

  include_recent = self.show_recent_detail and len(latest_positions) <= 30

• push_strategy_latest() — exposes show_recent_detail as a top-level parameter and passes it through to StrategyCard

Usage

# For stock-selection strategies with many symbols, disable the per-symbol table
push_strategy_latest(
    strategy="选股策略",
    dfw=dfw,
    feishu_key=key,
    show_recent_detail=False  # prevents 10208 error on large symbol sets
)

Original prompt

---

This section details on the original issue you should resolve

<issue_title>使用 czsc/fsa/push_strategy_latest.py 推送策略更新消息错误</issue_title>
<issue_description>报错信息 - {'code': 10208, 'data': {}, 'msg': 'message content too long'}

诊断问题发现：针对选股类的策略，由于标的数量太多，近3日收益的数据庞大导致出了问题。

建议修复一下。增加一个参数来控制近3日收益的显示是否包含详细的品种。</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes 使用 czsc/fsa/push_strategy_latest.py 推送策略更新消息错误 #273

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