Refactor: restructure market module with services, stores, and utils

market/models/llm_config.py

@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+LLM 配置数据结构
+"""
+
+from dataclasses import dataclass
+from typing import Dict
+
+
+@dataclass
+class LLMConfig:
+    """LLM 配置"""
+    api_key: str = ""
+    api_base: str = "https://api.openai.com/v1"
+    model: str = "gpt-4o-mini"
+
+    @property
+    def enabled(self) -> bool:
+        """是否启用（有 API Key 才启用）"""
+        return bool(self.api_key)
+
+    def to_dict(self) -> Dict:
+        """转换为字典（API Key 脱敏）"""
+        masked_key = ""
+        if self.api_key:
+            if len(self.api_key) > 8:
+                masked_key = self.api_key[:4] + "****" + self.api_key[-4:]
+            else:
+                masked_key = "****"
+
+        return {
+            "api_key": masked_key,
+            "api_key_set": bool(self.api_key),
+            "api_base": self.api_base,
+            "model": self.model,
+            "enabled": self.enabled
+        }
+
+    @classmethod
+    def from_dict(cls, data: Dict) -> 'LLMConfig':
+        """从字典创建"""
+        return cls(
+            api_key=data.get("api_key", ""),
+            api_base=data.get("api_base", "https://api.openai.com/v1"),
+            model=data.get("model", "gpt-4o-mini")
+        )