feat: init

app/config.py

@@ -0,0 +1,25 @@
+import os
+from dataclasses import dataclass, field
+from pathlib import Path
+
+from dotenv import load_dotenv
+
+load_dotenv(Path(__file__).resolve().parent.parent / ".env")
+
+
+@dataclass(frozen=True)
+class Settings:
+    # LLM 配置
+    llm_api_key: str = field(
+        default_factory=lambda: os.environ["LLM_API_KEY"],
+        repr=False,
+    )
+    llm_model: str = field(default_factory=lambda: os.environ["LLM_MODEL"])
+    llm_base_url: str | None = field(
+        default_factory=lambda: os.getenv("LLM_BASE_URL") or None
+    )
+    llm_timeout: float = 60.0
+    llm_max_retries: int = 2
+
+
+settings = Settings()