fix: 删除废弃的config/settings.py

删除内容：
- config/settings.py（仅被归档代码引用）
- config/__init__.py
- config/__pycache__

保留：
- config/hk_ecs.pem（SSH密钥，仍在使用）

说明：
- get_dingtalk_config/get_db_config 已归档
- DEFAULT_CODE_NAME_MAP 已迁移到策略配置
- DATA_DIR 各模块已直接使用"data"路径

config/settings.py

@@ -1,103 +0,0 @@
-"""
-ETF策略项目 - 通用配置
-
-敏感信息通过环境变量读取，非敏感配置直接定义
-"""
-
-import os
-from pathlib import Path
-
-# 加载 .env 文件
-try:
-    from dotenv import load_dotenv
-    load_dotenv()
-except ImportError:
-    pass  # python-dotenv 未安装时跳过
-
-# 项目根目录
-PROJECT_ROOT = Path(__file__).parent.parent
-
-# 数据目录
-DATA_DIR = PROJECT_ROOT / "data"
-
-
-# ==================== 钉钉配置 ====================
-def get_dingtalk_config() -> dict:
-    """从环境变量获取钉钉配置（默认群1）"""
-    return {
-        "webhook": os.getenv("DINGTALK_WEBHOOK", ""),
-        "secret": os.getenv("DINGTALK_SECRET", ""),
-    }
-
-
-def get_all_dingtalk_configs() -> list[dict]:
-    """获取所有已配置的钉钉群配置列表"""
-    configs = []
-    # 群1（主群）
-    cfg1 = get_dingtalk_config()
-    if cfg1["webhook"]:
-        configs.append(cfg1)
-    # 群2 及后续扩展：DINGTALK_WEBHOOK_2, _3, ...
-    for i in range(2, 10):
-        webhook = os.getenv(f"DINGTALK_WEBHOOK_{i}", "")
-        secret = os.getenv(f"DINGTALK_SECRET_{i}", "")
-        if webhook:
-            configs.append({"webhook": webhook, "secret": secret})
-    return configs
-
-
-# ==================== 数据库配置 ====================
-def get_db_config() -> dict:
-    """从环境变量获取数据库配置"""
-    return {
-        "host": os.getenv("DB_HOST", "192.168.0.115"),
-        "port": int(os.getenv("DB_PORT", "5432")),
-        "database": os.getenv("DB_NAME", "etf_db"),
-        "username": os.getenv("DB_USER", "admin"),
-        "password": os.getenv("DB_PASS", "admin"),
-    }
-
-
-# ==================== 代码映射（默认，可被策略配置覆盖）====================
-DEFAULT_CODE_NAME_MAP = {
-    # 宽基
-    "000300.SH": "沪深300",
-    "000905.SH": "中证500",
-    "000852.SH": "中证1000",
-    "399006.SZ": "创业板指",
-    "000015.SH": "上证红利",
-    # 金融
-    "399986.SZ": "中证银行",
-    "399975.SZ": "证券公司",
-    "000934.SH": "中证金融",
-    # 消费
-    "000932.SH": "中证消费",
-    "399997.SZ": "中证白酒",
-    # 医药
-    "000933.SH": "中证医药",
-    "399989.SZ": "中证医疗",
-    # 科技
-    "000935.SH": "中证信息",
-    "399971.SZ": "中证传媒",
-    # 新能源
-    "399808.SZ": "中证新能源",
-    "399976.SZ": "新能源车",
-    # 周期
-    "399395.SZ": "国证有色",
-    "399440.SZ": "中证钢铁",
-    "399998.SZ": "中证煤炭",
-    "399813.SZ": "细分化工",
-    "000937.SH": "中证能源",
-    "000938.SH": "中证材料",
-    # 其他
-    "399967.SZ": "中证军工",
-    "399393.SZ": "国证地产",
-    "000827.SH": "中证环保",
-    "399995.SZ": "中证基建",
-    "000949.SH": "中证农业",
-    "399702.SZ": "中证国债指数",
-}
-
-# 基准指数（默认，可被策略配置覆盖）
-DEFAULT_BENCHMARK_CODE = "000300.SH"
-DEFAULT_BENCHMARK_NAME = "沪深300指数"