feat: 初始化项目，并且接近完成 ozon 部分

server/config.py

@@ -0,0 +1,52 @@
+"""配置：仓库根 .env 或环境变量。"""
+from __future__ import annotations
+
+from functools import lru_cache
+from pathlib import Path
+
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+# 仓库根（server/ 的上一级）
+ROOT = Path(__file__).resolve().parents[1]
+
+
+class Settings(BaseSettings):
+    model_config = SettingsConfigDict(
+        env_file=str(ROOT / ".env"),
+        env_file_encoding="utf-8",
+        extra="ignore",
+    )
+
+    # ── 服务 ──
+    # 不要用 5000/7000：macOS 隔空播放接收器占用（IPv6 localhost 会被截走）
+    host: str = "127.0.0.1"
+    port: int = 3300
+    app_base_url: str = "http://127.0.0.1:3300"
+
+    # ── 存储 ──
+    data_dir: str = str(ROOT / "data")
+
+    # ── 图像生成 provider：doubao（火山方舟 Seedream）| tongyi（阿里 DashScope）──
+    image_provider: str = "doubao"
+    request_timeout: int = 300          # 单张生图请求超时（秒）
+    poll_max_wait: int = 600            # 异步任务轮询上限（秒）
+
+    # 豆包 / 火山方舟
+    ark_api_key: str = ""
+    ark_base_url: str = "https://ark.cn-beijing.volces.com/api/v3/images/generations"
+    ark_image_model: str = "doubao-seedream-4-5-251128"
+
+    # 通义 / DashScope
+    dashscope_api_key: str = ""
+    dashscope_base_url: str = ""        # 留空按模型自动选择万象异步/千问同步端点
+    dashscope_model: str = "wan2.7-image-pro"
+
+    # DeepSeek（出图方案规划器）
+    deepseek_api_key: str = ""
+    deepseek_base_url: str = "https://api.deepseek.com/v1"
+    deepseek_model: str = "deepseek-v4-flash"
+
+
+@lru_cache
+def get_settings() -> Settings:
+    return Settings()