feat(shop-role): 实现店铺角色继承功能和权限检查优化

- 新增店铺角色管理 API 和数据模型
- 实现角色继承和权限检查逻辑
- 添加流程测试框架和集成测试
- 更新权限服务和账号管理逻辑
- 添加数据库迁移脚本
- 归档 OpenSpec 变更文档

Ultraworked with Sisyphus

flow_tests/config/settings.py

@@ -0,0 +1,95 @@
+"""
+配置管理模块
+
+支持多环境配置切换：
+- TEST_ENV=local  使用本地配置（默认）
+- TEST_ENV=remote 使用远程配置
+"""
+import os
+from pathlib import Path
+from typing import Any, Optional
+
+import yaml
+
+
+class Settings:
+    """配置管理器"""
+    
+    _instance: Optional['Settings'] = None
+    _config: dict = {}
+    
+    def __new__(cls):
+        if cls._instance is None:
+            cls._instance = super().__new__(cls)
+            cls._instance._load_config()
+        return cls._instance
+    
+    def _load_config(self):
+        """加载配置文件"""
+        env = os.getenv("TEST_ENV", "local")
+        config_dir = Path(__file__).parent
+        config_file = config_dir / f"{env}.yaml"
+        
+        if not config_file.exists():
+            raise FileNotFoundError(f"配置文件不存在: {config_file}")
+        
+        with open(config_file, "r", encoding="utf-8") as f:
+            self._config = yaml.safe_load(f)
+        
+        print(f"[配置] 已加载 {env} 环境配置")
+    
+    def get(self, key: str, default: Any = None) -> Any:
+        """
+        获取配置值，支持点号分隔的路径
+        
+        示例：
+            settings.get("api.base_url")
+            settings.get("database.host")
+        """
+        keys = key.split(".")
+        value = self._config
+        
+        for k in keys:
+            if isinstance(value, dict):
+                value = value.get(k)
+            else:
+                return default
+            
+            if value is None:
+                return default
+        
+        return value
+    
+    @property
+    def api_base_url(self) -> str:
+        return self.get("api.base_url", "http://localhost:3000")
+    
+    @property
+    def api_timeout(self) -> int:
+        return self.get("api.timeout", 30)
+    
+    @property
+    def db_config(self) -> dict:
+        return {
+            "host": self.get("database.host", "localhost"),
+            "port": self.get("database.port", 5432),
+            "database": self.get("database.name", "junhong_dev"),
+            "user": self.get("database.user", "postgres"),
+            "password": self.get("database.password", "postgres"),
+        }
+    
+    @property
+    def redis_config(self) -> dict:
+        return {
+            "host": self.get("redis.host", "localhost"),
+            "port": self.get("redis.port", 6379),
+            "db": self.get("redis.db", 0),
+        }
+    
+    def get_account(self, role: str) -> dict:
+        """获取预置账号信息"""
+        return self.get(f"accounts.{role}", {})
+
+
+# 全局配置实例
+settings = Settings()